initial commit, 4.5 stable

servers/rendering/renderer_rd/storage_rd/SCsub

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+from misc.utility.scons_hints import *
+
+Import("env")
+
+env.add_source_files(env.servers_sources, "*.cpp")

servers/rendering/renderer_rd/storage_rd/forward_id_storage.cpp

@@ -0,0 +1,43 @@
+/**************************************************************************/
+/*  forward_id_storage.cpp                                                */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "forward_id_storage.h"
+
+using namespace RendererRD;
+
+ForwardIDStorage *ForwardIDStorage::singleton = nullptr;
+
+ForwardIDStorage::ForwardIDStorage() {
+	singleton = this;
+}
+
+ForwardIDStorage::~ForwardIDStorage() {
+	singleton = nullptr;
+}

servers/rendering/renderer_rd/storage_rd/forward_id_storage.h

@@ -0,0 +1,65 @@
+/**************************************************************************/
+/*  forward_id_storage.h                                                  */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include <cstdint>
+
+class RendererSceneRenderRD;
+
+namespace RendererRD {
+
+typedef int32_t ForwardID;
+
+enum ForwardIDType {
+	FORWARD_ID_TYPE_OMNI_LIGHT,
+	FORWARD_ID_TYPE_SPOT_LIGHT,
+	FORWARD_ID_TYPE_REFLECTION_PROBE,
+	FORWARD_ID_TYPE_DECAL,
+	FORWARD_ID_MAX,
+};
+
+class ForwardIDStorage {
+private:
+	static ForwardIDStorage *singleton;
+
+public:
+	static ForwardIDStorage *get_singleton() { return singleton; }
+
+	ForwardIDStorage();
+	virtual ~ForwardIDStorage();
+
+	virtual RendererRD::ForwardID allocate_forward_id(RendererRD::ForwardIDType p_type) { return -1; }
+	virtual void free_forward_id(RendererRD::ForwardIDType p_type, RendererRD::ForwardID p_id) {}
+	virtual void map_forward_id(RendererRD::ForwardIDType p_type, RendererRD::ForwardID p_id, uint32_t p_index, uint64_t p_last_pass) {}
+	virtual bool uses_forward_ids() const { return false; }
+};
+
+} // namespace RendererRD

servers/rendering/renderer_rd/storage_rd/material_storage.h

@@ -0,0 +1,478 @@
+/**************************************************************************/
+/*  material_storage.h                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "texture_storage.h"
+
+#include "core/math/projection.h"
+#include "core/templates/local_vector.h"
+#include "core/templates/rid_owner.h"
+#include "core/templates/self_list.h"
+#include "servers/rendering/shader_compiler.h"
+#include "servers/rendering/shader_language.h"
+#include "servers/rendering/storage/material_storage.h"
+#include "servers/rendering/storage/utilities.h"
+
+namespace RendererRD {
+
+class MaterialStorage : public RendererMaterialStorage {
+public:
+	enum ShaderType {
+		SHADER_TYPE_2D,
+		SHADER_TYPE_3D,
+		SHADER_TYPE_PARTICLES,
+		SHADER_TYPE_SKY,
+		SHADER_TYPE_FOG,
+		SHADER_TYPE_MAX
+	};
+
+	struct ShaderData {
+		enum BlendMode {
+			BLEND_MODE_MIX,
+			BLEND_MODE_ADD,
+			BLEND_MODE_SUB,
+			BLEND_MODE_MUL,
+			BLEND_MODE_ALPHA_TO_COVERAGE,
+			BLEND_MODE_PREMULTIPLIED_ALPHA,
+			BLEND_MODE_DISABLED
+		};
+
+		String path;
+		HashMap<StringName, ShaderLanguage::ShaderNode::Uniform> uniforms;
+		HashMap<StringName, HashMap<int, RID>> default_texture_params;
+
+		virtual void set_path_hint(const String &p_hint);
+		virtual void set_default_texture_parameter(const StringName &p_name, RID p_texture, int p_index);
+		virtual Variant get_default_parameter(const StringName &p_parameter) const;
+		virtual void get_shader_uniform_list(List<PropertyInfo> *p_param_list) const;
+		virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;
+		virtual bool is_parameter_texture(const StringName &p_param) const;
+
+		virtual void set_code(const String &p_Code) = 0;
+		virtual bool is_animated() const = 0;
+		virtual bool casts_shadows() const = 0;
+		virtual RS::ShaderNativeSourceCode get_native_source_code() const = 0;
+		virtual Pair<ShaderRD *, RID> get_native_shader_and_version() const = 0;
+
+		virtual ~ShaderData() {}
+
+		static RD::PipelineColorBlendState::Attachment blend_mode_to_blend_attachment(BlendMode p_mode);
+		static bool blend_mode_uses_blend_alpha(BlendMode p_mode);
+	};
+
+	struct MaterialData {
+		Vector<RendererRD::TextureStorage::RenderTarget *> render_target_cache;
+		void update_uniform_buffer(const HashMap<StringName, ShaderLanguage::ShaderNode::Uniform> &p_uniforms, const uint32_t *p_uniform_offsets, const HashMap<StringName, Variant> &p_parameters, uint8_t *p_buffer, uint32_t p_buffer_size, bool p_use_linear_color);
+		void update_textures(const HashMap<StringName, Variant> &p_parameters, const HashMap<StringName, HashMap<int, RID>> &p_default_textures, const Vector<ShaderCompiler::GeneratedCode::Texture> &p_texture_uniforms, RID *p_textures, bool p_use_linear_color, bool p_3d_material);
+		void set_as_used();
+
+		virtual void set_render_priority(int p_priority) = 0;
+		virtual void set_next_pass(RID p_pass) = 0;
+		virtual bool update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty) = 0;
+		virtual ~MaterialData();
+
+		//to be used internally by update_parameters, in the most common configuration of material parameters
+		bool update_parameters_uniform_set(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty, const HashMap<StringName, ShaderLanguage::ShaderNode::Uniform> &p_uniforms, const uint32_t *p_uniform_offsets, const Vector<ShaderCompiler::GeneratedCode::Texture> &p_texture_uniforms, const HashMap<StringName, HashMap<int, RID>> &p_default_texture_params, uint32_t p_ubo_size, RID &r_uniform_set, RID p_shader, uint32_t p_shader_uniform_set, bool p_use_linear_color, bool p_3d_material);
+		void free_parameters_uniform_set(RID p_uniform_set);
+
+	private:
+		friend class MaterialStorage;
+
+		RID self;
+		List<RID>::Element *global_buffer_E = nullptr;
+		List<RID>::Element *global_texture_E = nullptr;
+		uint64_t global_textures_pass = 0;
+		HashMap<StringName, uint64_t> used_global_textures;
+
+		//internally by update_parameters_uniform_set
+		Vector<uint8_t> ubo_data[2]; // 0: linear buffer; 1: sRGB buffer.
+		RID uniform_buffer[2]; // 0: linear buffer; 1: sRGB buffer.
+		Vector<RID> texture_cache;
+	};
+
+	struct Samplers {
+		RID rids[RS::CANVAS_ITEM_TEXTURE_FILTER_MAX][RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX];
+		float mipmap_bias = 0.0f;
+		bool use_nearest_mipmap_filter = false;
+		int anisotropic_filtering_level = 2;
+
+		_FORCE_INLINE_ RID get_sampler(RS::CanvasItemTextureFilter p_filter, RS::CanvasItemTextureRepeat p_repeat) const {
+			return rids[p_filter][p_repeat];
+		}
+
+		template <typename Collection>
+		void append_uniforms(Collection &p_uniforms, int p_first_index) const;
+		bool is_valid() const;
+		bool is_null() const;
+	};
+
+private:
+	static MaterialStorage *singleton;
+
+	/* Samplers */
+
+	Samplers default_samplers;
+
+	/* Buffers */
+
+	RID quad_index_buffer;
+	RID quad_index_array;
+
+	/* GLOBAL SHADER UNIFORM API */
+
+	struct GlobalShaderUniforms {
+		enum {
+			BUFFER_DIRTY_REGION_SIZE = 1024
+		};
+		struct Variable {
+			HashSet<RID> texture_materials; // materials using this
+
+			RS::GlobalShaderParameterType type;
+			Variant value;
+			Variant override;
+			int32_t buffer_index; //for vectors
+			int32_t buffer_elements; //for vectors
+		};
+
+		HashMap<StringName, Variable> variables;
+
+		struct Value {
+			float x;
+			float y;
+			float z;
+			float w;
+		};
+
+		struct ValueInt {
+			int32_t x;
+			int32_t y;
+			int32_t z;
+			int32_t w;
+		};
+
+		struct ValueUInt {
+			uint32_t x;
+			uint32_t y;
+			uint32_t z;
+			uint32_t w;
+		};
+
+		struct ValueUsage {
+			uint32_t elements = 0;
+		};
+
+		List<RID> materials_using_buffer;
+		List<RID> materials_using_texture;
+
+		RID buffer;
+		Value *buffer_values = nullptr;
+		ValueUsage *buffer_usage = nullptr;
+		bool *buffer_dirty_regions = nullptr;
+		uint32_t buffer_dirty_region_count = 0;
+
+		uint32_t buffer_size;
+
+		bool must_update_texture_materials = false;
+		bool must_update_buffer_materials = false;
+
+		HashMap<RID, int32_t> instance_buffer_pos;
+	} global_shader_uniforms;
+
+	int32_t _global_shader_uniform_allocate(uint32_t p_elements);
+	void _global_shader_uniform_store_in_buffer(int32_t p_index, RS::GlobalShaderParameterType p_type, const Variant &p_value);
+	void _global_shader_uniform_mark_buffer_dirty(int32_t p_index, int32_t p_elements);
+
+	/* SHADER API */
+
+	struct Material;
+
+	struct Shader {
+		ShaderData *data = nullptr;
+		String code;
+		String path_hint;
+		ShaderType type;
+		HashMap<StringName, HashMap<int, RID>> default_texture_parameter;
+		HashSet<Material *> owners;
+		bool embedded = false;
+	};
+
+	typedef ShaderData *(*ShaderDataRequestFunction)();
+	ShaderDataRequestFunction shader_data_request_func[SHADER_TYPE_MAX];
+
+	mutable RID_Owner<Shader, true> shader_owner;
+	HashSet<RID> embedded_set;
+	Mutex embedded_set_mutex;
+	Shader *get_shader(RID p_rid) { return shader_owner.get_or_null(p_rid); }
+
+	/* MATERIAL API */
+
+	typedef MaterialData *(*MaterialDataRequestFunction)(ShaderData *);
+
+	struct Material {
+		RID self;
+		MaterialData *data = nullptr;
+		Shader *shader = nullptr;
+		//shortcut to shader data and type
+		ShaderType shader_type = SHADER_TYPE_MAX;
+		uint32_t shader_id = 0;
+		bool uniform_dirty = false;
+		bool texture_dirty = false;
+		HashMap<StringName, Variant> params;
+		int32_t priority = 0;
+		RID next_pass;
+		SelfList<Material> update_element;
+
+		Dependency dependency;
+
+		Material() :
+				update_element(this) {}
+	};
+
+	MaterialDataRequestFunction material_data_request_func[SHADER_TYPE_MAX];
+	mutable RID_Owner<Material, true> material_owner;
+	Material *get_material(RID p_rid) { return material_owner.get_or_null(p_rid); }
+
+	SelfList<Material>::List material_update_list;
+	Mutex material_update_list_mutex;
+
+	static void _material_uniform_set_erased(void *p_material);
+
+public:
+	static MaterialStorage *get_singleton();
+
+	MaterialStorage();
+	virtual ~MaterialStorage();
+
+	bool free(RID p_rid);
+
+	/* Helpers */
+
+	static _FORCE_INLINE_ void store_transform(const Transform3D &p_mtx, float *p_array) {
+		p_array[0] = p_mtx.basis.rows[0][0];
+		p_array[1] = p_mtx.basis.rows[1][0];
+		p_array[2] = p_mtx.basis.rows[2][0];
+		p_array[3] = 0;
+		p_array[4] = p_mtx.basis.rows[0][1];
+		p_array[5] = p_mtx.basis.rows[1][1];
+		p_array[6] = p_mtx.basis.rows[2][1];
+		p_array[7] = 0;
+		p_array[8] = p_mtx.basis.rows[0][2];
+		p_array[9] = p_mtx.basis.rows[1][2];
+		p_array[10] = p_mtx.basis.rows[2][2];
+		p_array[11] = 0;
+		p_array[12] = p_mtx.origin.x;
+		p_array[13] = p_mtx.origin.y;
+		p_array[14] = p_mtx.origin.z;
+		p_array[15] = 1;
+	}
+
+	static _FORCE_INLINE_ void store_basis_3x4(const Basis &p_mtx, float *p_array) {
+		p_array[0] = p_mtx.rows[0][0];
+		p_array[1] = p_mtx.rows[1][0];
+		p_array[2] = p_mtx.rows[2][0];
+		p_array[3] = 0;
+		p_array[4] = p_mtx.rows[0][1];
+		p_array[5] = p_mtx.rows[1][1];
+		p_array[6] = p_mtx.rows[2][1];
+		p_array[7] = 0;
+		p_array[8] = p_mtx.rows[0][2];
+		p_array[9] = p_mtx.rows[1][2];
+		p_array[10] = p_mtx.rows[2][2];
+		p_array[11] = 0;
+	}
+
+	static _FORCE_INLINE_ void store_transform_3x3(const Basis &p_mtx, float *p_array) {
+		p_array[0] = p_mtx.rows[0][0];
+		p_array[1] = p_mtx.rows[1][0];
+		p_array[2] = p_mtx.rows[2][0];
+		p_array[3] = 0;
+		p_array[4] = p_mtx.rows[0][1];
+		p_array[5] = p_mtx.rows[1][1];
+		p_array[6] = p_mtx.rows[2][1];
+		p_array[7] = 0;
+		p_array[8] = p_mtx.rows[0][2];
+		p_array[9] = p_mtx.rows[1][2];
+		p_array[10] = p_mtx.rows[2][2];
+		p_array[11] = 0;
+	}
+
+	static _FORCE_INLINE_ void store_transform_transposed_3x4(const Transform3D &p_mtx, float *p_array) {
+		p_array[0] = p_mtx.basis.rows[0][0];
+		p_array[1] = p_mtx.basis.rows[0][1];
+		p_array[2] = p_mtx.basis.rows[0][2];
+		p_array[3] = p_mtx.origin.x;
+		p_array[4] = p_mtx.basis.rows[1][0];
+		p_array[5] = p_mtx.basis.rows[1][1];
+		p_array[6] = p_mtx.basis.rows[1][2];
+		p_array[7] = p_mtx.origin.y;
+		p_array[8] = p_mtx.basis.rows[2][0];
+		p_array[9] = p_mtx.basis.rows[2][1];
+		p_array[10] = p_mtx.basis.rows[2][2];
+		p_array[11] = p_mtx.origin.z;
+	}
+
+	static _FORCE_INLINE_ void store_camera(const Projection &p_mtx, float *p_array) {
+		for (int i = 0; i < 4; i++) {
+			for (int j = 0; j < 4; j++) {
+				p_array[i * 4 + j] = p_mtx.columns[i][j];
+			}
+		}
+	}
+
+	static _FORCE_INLINE_ void store_soft_shadow_kernel(const float *p_kernel, float *p_array) {
+		for (int i = 0; i < 128; i++) {
+			p_array[i] = p_kernel[i];
+		}
+	}
+
+	// http://andrewthall.org/papers/df64_qf128.pdf
+#ifdef REAL_T_IS_DOUBLE
+	static _FORCE_INLINE_ void split_double(double a, float *a_hi, float *a_lo) {
+		const double SPLITTER = (1 << 29) + 1;
+		double t = a * SPLITTER;
+		double t_hi = t - (t - a);
+		double t_lo = a - t_hi;
+		*a_hi = (float)t_hi;
+		*a_lo = (float)t_lo;
+	}
+#endif
+
+	/* Samplers */
+
+	Samplers samplers_rd_allocate(float p_mipmap_bias = 0.0f, RS::ViewportAnisotropicFiltering anisotropic_filtering_level = RS::ViewportAnisotropicFiltering::VIEWPORT_ANISOTROPY_4X) const;
+	void samplers_rd_free(Samplers &p_samplers) const;
+
+	_FORCE_INLINE_ RID sampler_rd_get_default(RS::CanvasItemTextureFilter p_filter, RS::CanvasItemTextureRepeat p_repeat) {
+		return default_samplers.get_sampler(p_filter, p_repeat);
+	}
+
+	_FORCE_INLINE_ const Samplers &samplers_rd_get_default() const {
+		return default_samplers;
+	}
+
+	/* Buffers */
+
+	RID get_quad_index_array() { return quad_index_array; }
+
+	/* GLOBAL SHADER UNIFORM API */
+
+	void _update_global_shader_uniforms();
+
+	virtual void global_shader_parameter_add(const StringName &p_name, RS::GlobalShaderParameterType p_type, const Variant &p_value) override;
+	virtual void global_shader_parameter_remove(const StringName &p_name) override;
+	virtual Vector<StringName> global_shader_parameter_get_list() const override;
+
+	virtual void global_shader_parameter_set(const StringName &p_name, const Variant &p_value) override;
+	virtual void global_shader_parameter_set_override(const StringName &p_name, const Variant &p_value) override;
+	virtual Variant global_shader_parameter_get(const StringName &p_name) const override;
+	virtual RS::GlobalShaderParameterType global_shader_parameter_get_type(const StringName &p_name) const override;
+	RS::GlobalShaderParameterType global_shader_parameter_get_type_internal(const StringName &p_name) const;
+
+	virtual void global_shader_parameters_load_settings(bool p_load_textures = true) override;
+	virtual void global_shader_parameters_clear() override;
+
+	virtual int32_t global_shader_parameters_instance_allocate(RID p_instance) override;
+	virtual void global_shader_parameters_instance_free(RID p_instance) override;
+	virtual void global_shader_parameters_instance_update(RID p_instance, int p_index, const Variant &p_value, int p_flags_count = 0) override;
+
+	RID global_shader_uniforms_get_storage_buffer() const;
+
+	/* SHADER API */
+
+	bool owns_shader(RID p_rid) { return shader_owner.owns(p_rid); }
+
+	virtual RID shader_allocate() override;
+	virtual void shader_initialize(RID p_shader, bool p_embedded = true) override;
+	virtual void shader_free(RID p_rid) override;
+
+	virtual void shader_set_code(RID p_shader, const String &p_code) override;
+	virtual void shader_set_path_hint(RID p_shader, const String &p_path) override;
+	virtual String shader_get_code(RID p_shader) const override;
+	virtual void get_shader_parameter_list(RID p_shader, List<PropertyInfo> *p_param_list) const override;
+
+	virtual void shader_set_default_texture_parameter(RID p_shader, const StringName &p_name, RID p_texture, int p_index) override;
+	virtual RID shader_get_default_texture_parameter(RID p_shader, const StringName &p_name, int p_index) const override;
+	virtual Variant shader_get_parameter_default(RID p_shader, const StringName &p_param) const override;
+	void shader_set_data_request_function(ShaderType p_shader_type, ShaderDataRequestFunction p_function);
+	ShaderData *shader_get_data(RID p_shader) const;
+
+	virtual RS::ShaderNativeSourceCode shader_get_native_source_code(RID p_shader) const override;
+	virtual void shader_embedded_set_lock() override;
+	virtual const HashSet<RID> &shader_embedded_set_get() const override;
+	virtual void shader_embedded_set_unlock() override;
+
+	/* MATERIAL API */
+
+	bool owns_material(RID p_rid) { return material_owner.owns(p_rid); }
+
+	void _material_queue_update(Material *material, bool p_uniform, bool p_texture);
+	void _update_queued_materials();
+
+	virtual RID material_allocate() override;
+	virtual void material_initialize(RID p_material) override;
+	virtual void material_free(RID p_rid) override;
+
+	virtual void material_set_shader(RID p_material, RID p_shader) override;
+	ShaderData *material_get_shader_data(RID p_material);
+
+	virtual void material_set_param(RID p_material, const StringName &p_param, const Variant &p_value) override;
+	virtual Variant material_get_param(RID p_material, const StringName &p_param) const override;
+
+	virtual void material_set_next_pass(RID p_material, RID p_next_material) override;
+	virtual void material_set_render_priority(RID p_material, int priority) override;
+
+	virtual bool material_is_animated(RID p_material) override;
+	virtual bool material_casts_shadows(RID p_material) override;
+	virtual RS::CullMode material_get_cull_mode(RID p_material) const override;
+
+	virtual void material_get_instance_shader_parameters(RID p_material, List<InstanceShaderParam> *r_parameters) override;
+
+	virtual void material_update_dependency(RID p_material, DependencyTracker *p_instance) override;
+
+	void material_set_data_request_function(ShaderType p_shader_type, MaterialDataRequestFunction p_function);
+	MaterialDataRequestFunction material_get_data_request_function(ShaderType p_shader_type);
+
+	_FORCE_INLINE_ uint32_t material_get_shader_id(RID p_material) {
+		Material *material = material_owner.get_or_null(p_material);
+		return material->shader_id;
+	}
+
+	_FORCE_INLINE_ MaterialData *material_get_data(RID p_material, ShaderType p_shader_type) {
+		Material *material = material_owner.get_or_null(p_material);
+		if (!material || material->shader_type != p_shader_type) {
+			return nullptr;
+		} else {
+			return material->data;
+		}
+	}
+};
+
+} // namespace RendererRD

servers/rendering/renderer_rd/storage_rd/mesh_storage.h

@@ -0,0 +1,814 @@
+/**************************************************************************/
+/*  mesh_storage.h                                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "../../rendering_server_globals.h"
+#include "core/templates/local_vector.h"
+#include "core/templates/rid_owner.h"
+#include "core/templates/self_list.h"
+#include "servers/rendering/renderer_rd/shaders/skeleton.glsl.gen.h"
+#include "servers/rendering/storage/mesh_storage.h"
+#include "servers/rendering/storage/utilities.h"
+
+namespace RendererRD {
+
+class MeshStorage : public RendererMeshStorage {
+public:
+	enum DefaultRDBuffer {
+		DEFAULT_RD_BUFFER_VERTEX,
+		DEFAULT_RD_BUFFER_NORMAL,
+		DEFAULT_RD_BUFFER_TANGENT,
+		DEFAULT_RD_BUFFER_COLOR,
+		DEFAULT_RD_BUFFER_TEX_UV,
+		DEFAULT_RD_BUFFER_TEX_UV2,
+		DEFAULT_RD_BUFFER_CUSTOM0,
+		DEFAULT_RD_BUFFER_CUSTOM1,
+		DEFAULT_RD_BUFFER_CUSTOM2,
+		DEFAULT_RD_BUFFER_CUSTOM3,
+		DEFAULT_RD_BUFFER_BONES,
+		DEFAULT_RD_BUFFER_WEIGHTS,
+		DEFAULT_RD_BUFFER_MAX,
+	};
+
+	enum IndirectMultiMesh : uint32_t {
+		INDIRECT_MULTIMESH_COMMAND_STRIDE = 5
+	};
+
+private:
+	static MeshStorage *singleton;
+
+	RID default_rd_storage_buffer;
+
+	/* Mesh */
+
+	RID mesh_default_rd_buffers[DEFAULT_RD_BUFFER_MAX];
+
+	struct MeshInstance;
+
+	struct Mesh {
+		struct Surface {
+			RS::PrimitiveType primitive = RS::PRIMITIVE_POINTS;
+			uint64_t format = 0;
+
+			uint32_t vertex_count = 0;
+			RID vertex_buffer;
+			uint32_t vertex_buffer_size = 0;
+
+			RID attribute_buffer;
+			uint32_t attribute_buffer_size = 0;
+
+			RID skin_buffer;
+			uint32_t skin_buffer_size = 0;
+
+			// A different pipeline needs to be allocated
+			// depending on the inputs available in the
+			// material.
+			// There are never that many geometry/material
+			// combinations, so a simple array is the most
+			// cache-efficient structure.
+
+			struct Version {
+				uint64_t input_mask = 0;
+				uint32_t current_buffer = 0;
+				uint32_t previous_buffer = 0;
+				bool input_motion_vectors = false;
+				RD::VertexFormatID vertex_format = 0;
+				RID vertex_array;
+			};
+
+			SpinLock version_lock; //needed to access versions
+			Version *versions = nullptr; //allocated on demand
+			uint32_t version_count = 0;
+
+			RID index_buffer;
+			uint32_t index_buffer_size = 0;
+			RID index_array;
+			uint32_t index_count = 0;
+
+			struct LOD {
+				float edge_length = 0.0;
+				uint32_t index_count = 0;
+				RID index_buffer;
+				uint32_t index_buffer_size = 0;
+				RID index_array;
+			};
+
+			LOD *lods = nullptr;
+			uint32_t lod_count = 0;
+
+			AABB aabb;
+
+			Vector<AABB> bone_aabbs;
+
+			// Transform used in runtime bone AABBs compute.
+			// As bone AABBs are saved in Mesh space, but bones animation is in Skeleton space.
+			Transform3D mesh_to_skeleton_xform;
+
+			Vector4 uv_scale;
+
+			RID blend_shape_buffer;
+			uint32_t blend_shape_buffer_size = 0;
+
+			RID material;
+
+			uint32_t render_index = 0;
+			uint64_t render_pass = 0;
+
+			uint32_t multimesh_render_index = 0;
+			uint64_t multimesh_render_pass = 0;
+
+			uint32_t particles_render_index = 0;
+			uint64_t particles_render_pass = 0;
+
+			RID uniform_set;
+		};
+
+		uint32_t blend_shape_count = 0;
+		RS::BlendShapeMode blend_shape_mode = RS::BLEND_SHAPE_MODE_NORMALIZED;
+
+		Surface **surfaces = nullptr;
+		uint32_t surface_count = 0;
+
+		bool has_bone_weights = false;
+
+		AABB aabb;
+		AABB custom_aabb;
+		uint64_t skeleton_aabb_version = 0;
+		RID skeleton_aabb_rid;
+
+		Vector<RID> material_cache;
+
+		List<MeshInstance *> instances;
+
+		RID shadow_mesh;
+		HashSet<Mesh *> shadow_owners;
+
+		String path;
+
+		Dependency dependency;
+	};
+
+	mutable RID_Owner<Mesh, true> mesh_owner;
+
+	/* Mesh Instance API */
+
+	struct MeshInstance {
+		Mesh *mesh = nullptr;
+		RID skeleton;
+		struct Surface {
+			RID vertex_buffer[2];
+			RID uniform_set[2];
+			uint32_t current_buffer = 0;
+			uint32_t previous_buffer = 0;
+			uint64_t last_change = 0;
+
+			Mesh::Surface::Version *versions = nullptr; //allocated on demand
+			uint32_t version_count = 0;
+		};
+		LocalVector<Surface> surfaces;
+		LocalVector<float> blend_weights;
+
+		RID blend_weights_buffer;
+		List<MeshInstance *>::Element *I = nullptr; //used to erase itself
+		uint64_t skeleton_version = 0;
+		bool dirty = false;
+		bool weights_dirty = false;
+		SelfList<MeshInstance> weight_update_list;
+		SelfList<MeshInstance> array_update_list;
+		Transform2D canvas_item_transform_2d;
+		MeshInstance() :
+				weight_update_list(this), array_update_list(this) {}
+	};
+
+	RD::VertexFormatID _mesh_surface_generate_vertex_format(uint64_t p_surface_format, uint64_t p_input_mask, bool p_instanced_surface, bool p_input_motion_vectors, uint32_t &r_position_stride);
+	void _mesh_surface_generate_version_for_input_mask(Mesh::Surface::Version &v, Mesh::Surface *s, uint64_t p_input_mask, bool p_input_motion_vectors, MeshInstance::Surface *mis = nullptr, uint32_t p_current_buffer = 0, uint32_t p_previous_buffer = 0);
+	void _mesh_surface_clear(Mesh *p_mesh, int p_surface);
+
+	void _mesh_instance_clear(MeshInstance *mi);
+	void _mesh_instance_add_surface(MeshInstance *mi, Mesh *mesh, uint32_t p_surface);
+	void _mesh_instance_add_surface_buffer(MeshInstance *mi, Mesh *mesh, MeshInstance::Surface *s, uint32_t p_surface, uint32_t p_buffer_index);
+	void _mesh_instance_remove_surface(MeshInstance *mi, int p_surface);
+
+	mutable RID_Owner<MeshInstance> mesh_instance_owner;
+
+	SelfList<MeshInstance>::List dirty_mesh_instance_weights;
+	SelfList<MeshInstance>::List dirty_mesh_instance_arrays;
+
+	/* MultiMesh */
+
+	struct MultiMesh {
+		RID mesh;
+		int instances = 0;
+		RS::MultimeshTransformFormat xform_format = RS::MULTIMESH_TRANSFORM_3D;
+		bool uses_colors = false;
+		bool uses_custom_data = false;
+		int visible_instances = -1;
+		AABB aabb;
+		AABB custom_aabb;
+		bool aabb_dirty = false;
+		bool buffer_set = false;
+		bool indirect = false;
+		bool motion_vectors_enabled = false;
+		uint32_t motion_vectors_current_offset = 0;
+		uint32_t motion_vectors_previous_offset = 0;
+		uint64_t motion_vectors_last_change = -1;
+		uint32_t stride_cache = 0;
+		uint32_t color_offset_cache = 0;
+		uint32_t custom_data_offset_cache = 0;
+
+		Vector<float> data_cache; //used if individual setting is used
+		bool *data_cache_dirty_regions = nullptr;
+		uint32_t data_cache_dirty_region_count = 0;
+		bool *previous_data_cache_dirty_regions = nullptr;
+		uint32_t previous_data_cache_dirty_region_count = 0;
+
+		RID buffer; //storage buffer
+		RID uniform_set_3d;
+		RID uniform_set_2d;
+		RID command_buffer; //used if indirect setting is used
+
+		bool dirty = false;
+		MultiMesh *dirty_list = nullptr;
+
+		RendererMeshStorage::MultiMeshInterpolator interpolator;
+
+		Dependency dependency;
+	};
+
+	mutable RID_Owner<MultiMesh, true> multimesh_owner;
+
+	MultiMesh *multimesh_dirty_list = nullptr;
+
+	_FORCE_INLINE_ void _multimesh_make_local(MultiMesh *multimesh) const;
+	_FORCE_INLINE_ void _multimesh_enable_motion_vectors(MultiMesh *multimesh);
+	_FORCE_INLINE_ void _multimesh_update_motion_vectors_data_cache(MultiMesh *multimesh);
+	_FORCE_INLINE_ bool _multimesh_uses_motion_vectors(MultiMesh *multimesh);
+	_FORCE_INLINE_ void _multimesh_mark_dirty(MultiMesh *multimesh, int p_index, bool p_aabb);
+	_FORCE_INLINE_ void _multimesh_mark_all_dirty(MultiMesh *multimesh, bool p_data, bool p_aabb);
+	_FORCE_INLINE_ void _multimesh_re_create_aabb(MultiMesh *multimesh, const float *p_data, int p_instances);
+
+	/* Skeleton */
+
+	struct SkeletonShader {
+		struct PushConstant {
+			uint32_t has_normal;
+			uint32_t has_tangent;
+			uint32_t has_skeleton;
+			uint32_t has_blend_shape;
+
+			uint32_t vertex_count;
+			uint32_t vertex_stride;
+			uint32_t skin_stride;
+			uint32_t skin_weight_offset;
+
+			uint32_t blend_shape_count;
+			uint32_t normalized_blend_shapes;
+			uint32_t normal_tangent_stride;
+			uint32_t pad1;
+			float skeleton_transform_x[2];
+			float skeleton_transform_y[2];
+
+			float skeleton_transform_offset[2];
+			float inverse_transform_x[2];
+
+			float inverse_transform_y[2];
+			float inverse_transform_offset[2];
+		};
+
+		enum {
+			UNIFORM_SET_INSTANCE = 0,
+			UNIFORM_SET_SURFACE = 1,
+			UNIFORM_SET_SKELETON = 2,
+		};
+		enum {
+			SHADER_MODE_2D,
+			SHADER_MODE_3D,
+			SHADER_MODE_MAX
+		};
+
+		SkeletonShaderRD shader;
+		RID version;
+		RID version_shader[SHADER_MODE_MAX];
+		RID pipeline[SHADER_MODE_MAX];
+
+		RID default_skeleton_uniform_set;
+	} skeleton_shader;
+
+	struct Skeleton {
+		bool use_2d = false;
+		int size = 0;
+		LocalVector<float> data;
+		RID buffer;
+
+		bool dirty = false;
+		Skeleton *dirty_list = nullptr;
+		Transform2D base_transform_2d;
+
+		RID uniform_set_3d;
+		RID uniform_set_mi;
+
+		uint64_t version = 1;
+
+		Dependency dependency;
+	};
+
+	mutable RID_Owner<Skeleton, true> skeleton_owner;
+
+	_FORCE_INLINE_ void _skeleton_make_dirty(Skeleton *skeleton);
+
+	Skeleton *skeleton_dirty_list = nullptr;
+
+	enum AttributeLocation {
+		ATTRIBUTE_LOCATION_PREV_VERTEX = 12,
+		ATTRIBUTE_LOCATION_PREV_NORMAL = 13,
+		ATTRIBUTE_LOCATION_PREV_TANGENT = 14
+	};
+
+public:
+	static MeshStorage *get_singleton();
+
+	MeshStorage();
+	virtual ~MeshStorage();
+
+	bool free(RID p_rid);
+
+	RID get_default_rd_storage_buffer() const { return default_rd_storage_buffer; }
+
+	/* MESH API */
+
+	bool owns_mesh(RID p_rid) { return mesh_owner.owns(p_rid); }
+
+	virtual RID mesh_allocate() override;
+	virtual void mesh_initialize(RID p_mesh) override;
+	virtual void mesh_free(RID p_rid) override;
+
+	virtual void mesh_set_blend_shape_count(RID p_mesh, int p_blend_shape_count) override;
+
+	/// Return stride
+	virtual void mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) override;
+
+	virtual int mesh_get_blend_shape_count(RID p_mesh) const override;
+
+	virtual void mesh_set_blend_shape_mode(RID p_mesh, RS::BlendShapeMode p_mode) override;
+	virtual RS::BlendShapeMode mesh_get_blend_shape_mode(RID p_mesh) const override;
+
+	virtual void mesh_surface_update_vertex_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override;
+	virtual void mesh_surface_update_attribute_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override;
+	virtual void mesh_surface_update_skin_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override;
+	virtual void mesh_surface_update_index_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override;
+
+	virtual void mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material) override;
+	virtual RID mesh_surface_get_material(RID p_mesh, int p_surface) const override;
+
+	virtual RS::SurfaceData mesh_get_surface(RID p_mesh, int p_surface) const override;
+
+	virtual int mesh_get_surface_count(RID p_mesh) const override;
+
+	virtual void mesh_set_custom_aabb(RID p_mesh, const AABB &p_aabb) override;
+	virtual AABB mesh_get_custom_aabb(RID p_mesh) const override;
+
+	virtual AABB mesh_get_aabb(RID p_mesh, RID p_skeleton = RID()) override;
+	virtual void mesh_set_shadow_mesh(RID p_mesh, RID p_shadow_mesh) override;
+
+	virtual void mesh_set_path(RID p_mesh, const String &p_path) override;
+	virtual String mesh_get_path(RID p_mesh) const override;
+
+	virtual void mesh_clear(RID p_mesh) override;
+	virtual void mesh_surface_remove(RID p_mesh, int p_surface) override;
+
+	virtual void mesh_debug_usage(List<RS::MeshInfo> *r_info) override;
+
+	virtual bool mesh_needs_instance(RID p_mesh, bool p_has_skeleton) override;
+
+	_FORCE_INLINE_ const RID *mesh_get_surface_count_and_materials(RID p_mesh, uint32_t &r_surface_count) {
+		Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL_V(mesh, nullptr);
+		r_surface_count = mesh->surface_count;
+		if (r_surface_count == 0) {
+			return nullptr;
+		}
+		if (mesh->material_cache.is_empty()) {
+			mesh->material_cache.resize(mesh->surface_count);
+			for (uint32_t i = 0; i < r_surface_count; i++) {
+				mesh->material_cache.write[i] = mesh->surfaces[i]->material;
+			}
+		}
+
+		return mesh->material_cache.ptr();
+	}
+
+	_FORCE_INLINE_ void *mesh_get_surface(RID p_mesh, uint32_t p_surface_index) {
+		Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL_V(mesh, nullptr);
+		ERR_FAIL_UNSIGNED_INDEX_V(p_surface_index, mesh->surface_count, nullptr);
+
+		return mesh->surfaces[p_surface_index];
+	}
+
+	_FORCE_INLINE_ RID mesh_get_shadow_mesh(RID p_mesh) {
+		Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL_V(mesh, RID());
+
+		return mesh->shadow_mesh;
+	}
+
+	_FORCE_INLINE_ RS::PrimitiveType mesh_surface_get_primitive(void *p_surface) {
+		Mesh::Surface *surface = reinterpret_cast<Mesh::Surface *>(p_surface);
+		return surface->primitive;
+	}
+
+	_FORCE_INLINE_ bool mesh_surface_has_lod(void *p_surface) const {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+		return s->lod_count > 0;
+	}
+
+	_FORCE_INLINE_ uint32_t mesh_surface_get_vertices_drawn_count(void *p_surface) const {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+		return s->index_count ? s->index_count : s->vertex_count;
+	}
+
+	_FORCE_INLINE_ AABB mesh_surface_get_aabb(void *p_surface) {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+		return s->aabb;
+	}
+
+	_FORCE_INLINE_ uint64_t mesh_surface_get_format(void *p_surface) {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+		return s->format;
+	}
+
+	_FORCE_INLINE_ Vector4 mesh_surface_get_uv_scale(void *p_surface) {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+		return s->uv_scale;
+	}
+
+	_FORCE_INLINE_ uint32_t mesh_surface_get_lod(void *p_surface, float p_model_scale, float p_distance_threshold, float p_mesh_lod_threshold, uint32_t &r_index_count) const {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+
+		int32_t current_lod = -1;
+		r_index_count = s->index_count;
+		for (uint32_t i = 0; i < s->lod_count; i++) {
+			float screen_size = s->lods[i].edge_length * p_model_scale / p_distance_threshold;
+			if (screen_size > p_mesh_lod_threshold) {
+				break;
+			}
+			current_lod = i;
+		}
+		if (current_lod == -1) {
+			return 0;
+		} else {
+			r_index_count = s->lods[current_lod].index_count;
+			return current_lod + 1;
+		}
+	}
+
+	_FORCE_INLINE_ RID mesh_surface_get_index_array(void *p_surface, uint32_t p_lod) const {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+
+		if (p_lod == 0) {
+			return s->index_array;
+		} else {
+			return s->lods[p_lod - 1].index_array;
+		}
+	}
+
+	_FORCE_INLINE_ void mesh_surface_get_vertex_arrays_and_format(void *p_surface, uint64_t p_input_mask, bool p_input_motion_vectors, RID &r_vertex_array_rd, RD::VertexFormatID &r_vertex_format) {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+
+		s->version_lock.lock();
+
+		//there will never be more than, at much, 3 or 4 versions, so iterating is the fastest way
+
+		for (uint32_t i = 0; i < s->version_count; i++) {
+			if (s->versions[i].input_mask != p_input_mask || s->versions[i].input_motion_vectors != p_input_motion_vectors) {
+				// Find the version that matches the inputs required.
+				continue;
+			}
+
+			//we have this version, hooray
+			r_vertex_format = s->versions[i].vertex_format;
+			r_vertex_array_rd = s->versions[i].vertex_array;
+			s->version_lock.unlock();
+			return;
+		}
+
+		uint32_t version = s->version_count;
+		s->version_count++;
+		s->versions = (Mesh::Surface::Version *)memrealloc(s->versions, sizeof(Mesh::Surface::Version) * s->version_count);
+
+		_mesh_surface_generate_version_for_input_mask(s->versions[version], s, p_input_mask, p_input_motion_vectors);
+
+		r_vertex_format = s->versions[version].vertex_format;
+		r_vertex_array_rd = s->versions[version].vertex_array;
+
+		s->version_lock.unlock();
+	}
+
+	_FORCE_INLINE_ void mesh_instance_surface_get_vertex_arrays_and_format(RID p_mesh_instance, uint64_t p_surface_index, uint64_t p_input_mask, bool p_input_motion_vectors, RID &r_vertex_array_rd, RD::VertexFormatID &r_vertex_format) {
+		MeshInstance *mi = mesh_instance_owner.get_or_null(p_mesh_instance);
+		ERR_FAIL_NULL(mi);
+		Mesh *mesh = mi->mesh;
+		ERR_FAIL_UNSIGNED_INDEX(p_surface_index, mesh->surface_count);
+
+		MeshInstance::Surface *mis = &mi->surfaces[p_surface_index];
+		Mesh::Surface *s = mesh->surfaces[p_surface_index];
+		uint32_t current_buffer = mis->current_buffer;
+
+		// Using the previous buffer is only allowed if the surface was updated this frame and motion vectors are required.
+		uint32_t previous_buffer = p_input_motion_vectors && (RSG::rasterizer->get_frame_number() == mis->last_change) ? mis->previous_buffer : current_buffer;
+
+		s->version_lock.lock();
+
+		//there will never be more than, at much, 3 or 4 versions, so iterating is the fastest way
+
+		for (uint32_t i = 0; i < mis->version_count; i++) {
+			if (mis->versions[i].input_mask != p_input_mask || mis->versions[i].input_motion_vectors != p_input_motion_vectors) {
+				// Find the version that matches the inputs required.
+				continue;
+			}
+
+			if (mis->versions[i].current_buffer != current_buffer || mis->versions[i].previous_buffer != previous_buffer) {
+				// Find the version that corresponds to the correct buffers that should be used.
+				continue;
+			}
+
+			//we have this version, hooray
+			r_vertex_format = mis->versions[i].vertex_format;
+			r_vertex_array_rd = mis->versions[i].vertex_array;
+			s->version_lock.unlock();
+			return;
+		}
+
+		uint32_t version = mis->version_count;
+		mis->version_count++;
+		mis->versions = (Mesh::Surface::Version *)memrealloc(mis->versions, sizeof(Mesh::Surface::Version) * mis->version_count);
+
+		_mesh_surface_generate_version_for_input_mask(mis->versions[version], s, p_input_mask, p_input_motion_vectors, mis, current_buffer, previous_buffer);
+
+		r_vertex_format = mis->versions[version].vertex_format;
+		r_vertex_array_rd = mis->versions[version].vertex_array;
+
+		s->version_lock.unlock();
+	}
+
+	_FORCE_INLINE_ RID mesh_get_default_rd_buffer(DefaultRDBuffer p_buffer) {
+		ERR_FAIL_INDEX_V(p_buffer, DEFAULT_RD_BUFFER_MAX, RID());
+		return mesh_default_rd_buffers[p_buffer];
+	}
+
+	_FORCE_INLINE_ uint32_t mesh_surface_get_render_pass_index(RID p_mesh, uint32_t p_surface_index, uint64_t p_render_pass, uint32_t *r_index) {
+		Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+		Mesh::Surface *s = mesh->surfaces[p_surface_index];
+
+		if (s->render_pass != p_render_pass) {
+			(*r_index)++;
+			s->render_pass = p_render_pass;
+			s->render_index = *r_index;
+		}
+
+		return s->render_index;
+	}
+
+	_FORCE_INLINE_ uint32_t mesh_surface_get_multimesh_render_pass_index(RID p_mesh, uint32_t p_surface_index, uint64_t p_render_pass, uint32_t *r_index) {
+		Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+		Mesh::Surface *s = mesh->surfaces[p_surface_index];
+
+		if (s->multimesh_render_pass != p_render_pass) {
+			(*r_index)++;
+			s->multimesh_render_pass = p_render_pass;
+			s->multimesh_render_index = *r_index;
+		}
+
+		return s->multimesh_render_index;
+	}
+
+	_FORCE_INLINE_ uint32_t mesh_surface_get_particles_render_pass_index(RID p_mesh, uint32_t p_surface_index, uint64_t p_render_pass, uint32_t *r_index) {
+		Mesh *mesh = mesh_owner.get_or_null(p_mesh);
+		Mesh::Surface *s = mesh->surfaces[p_surface_index];
+
+		if (s->particles_render_pass != p_render_pass) {
+			(*r_index)++;
+			s->particles_render_pass = p_render_pass;
+			s->particles_render_index = *r_index;
+		}
+
+		return s->particles_render_index;
+	}
+
+	_FORCE_INLINE_ RD::VertexFormatID mesh_surface_get_vertex_format(void *p_surface, uint64_t p_input_mask, bool p_instanced_surface, bool p_input_motion_vectors) {
+		Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
+		uint32_t position_stride = 0;
+		return _mesh_surface_generate_vertex_format(s->format, p_input_mask, p_instanced_surface, p_input_motion_vectors, position_stride);
+	}
+
+	Dependency *mesh_get_dependency(RID p_mesh) const;
+
+	/* MESH INSTANCE API */
+
+	bool owns_mesh_instance(RID p_rid) const { return mesh_instance_owner.owns(p_rid); }
+
+	virtual RID mesh_instance_create(RID p_base) override;
+	virtual void mesh_instance_free(RID p_rid) override;
+	virtual void mesh_instance_set_skeleton(RID p_mesh_instance, RID p_skeleton) override;
+	virtual void mesh_instance_set_blend_shape_weight(RID p_mesh_instance, int p_shape, float p_weight) override;
+	virtual void mesh_instance_check_for_update(RID p_mesh_instance) override;
+	virtual void mesh_instance_set_canvas_item_transform(RID p_mesh_instance, const Transform2D &p_transform) override;
+	virtual void update_mesh_instances() override;
+
+	/* MULTIMESH API */
+
+	bool owns_multimesh(RID p_rid) { return multimesh_owner.owns(p_rid); }
+
+	virtual RID _multimesh_allocate() override;
+	virtual void _multimesh_initialize(RID p_multimesh) override;
+	virtual void _multimesh_free(RID p_rid) override;
+
+	virtual void _multimesh_allocate_data(RID p_multimesh, int p_instances, RS::MultimeshTransformFormat p_transform_format, bool p_use_colors = false, bool p_use_custom_data = false, bool p_use_indirect = false) override;
+	virtual int _multimesh_get_instance_count(RID p_multimesh) const override;
+
+	virtual void _multimesh_set_mesh(RID p_multimesh, RID p_mesh) override;
+	virtual void _multimesh_instance_set_transform(RID p_multimesh, int p_index, const Transform3D &p_transform) override;
+	virtual void _multimesh_instance_set_transform_2d(RID p_multimesh, int p_index, const Transform2D &p_transform) override;
+	virtual void _multimesh_instance_set_color(RID p_multimesh, int p_index, const Color &p_color) override;
+	virtual void _multimesh_instance_set_custom_data(RID p_multimesh, int p_index, const Color &p_color) override;
+
+	virtual RID _multimesh_get_mesh(RID p_multimesh) const override;
+
+	virtual Transform3D _multimesh_instance_get_transform(RID p_multimesh, int p_index) const override;
+	virtual Transform2D _multimesh_instance_get_transform_2d(RID p_multimesh, int p_index) const override;
+	virtual Color _multimesh_instance_get_color(RID p_multimesh, int p_index) const override;
+	virtual Color _multimesh_instance_get_custom_data(RID p_multimesh, int p_index) const override;
+
+	virtual void _multimesh_set_buffer(RID p_multimesh, const Vector<float> &p_buffer) override;
+	virtual RID _multimesh_get_command_buffer_rd_rid(RID p_multimesh) const override;
+	virtual RID _multimesh_get_buffer_rd_rid(RID p_multimesh) const override;
+	virtual Vector<float> _multimesh_get_buffer(RID p_multimesh) const override;
+
+	virtual void _multimesh_set_visible_instances(RID p_multimesh, int p_visible) override;
+	virtual int _multimesh_get_visible_instances(RID p_multimesh) const override;
+
+	virtual void _multimesh_set_custom_aabb(RID p_multimesh, const AABB &p_aabb) override;
+	virtual AABB _multimesh_get_custom_aabb(RID p_multimesh) const override;
+
+	virtual AABB _multimesh_get_aabb(RID p_multimesh) override;
+
+	virtual MultiMeshInterpolator *_multimesh_get_interpolator(RID p_multimesh) const override;
+
+	void _update_dirty_multimeshes();
+	void _multimesh_get_motion_vectors_offsets(RID p_multimesh, uint32_t &r_current_offset, uint32_t &r_prev_offset);
+	bool _multimesh_uses_motion_vectors_offsets(RID p_multimesh);
+	bool _multimesh_uses_motion_vectors(RID p_multimesh);
+
+	_FORCE_INLINE_ bool multimesh_uses_indirect(RID p_multimesh) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		ERR_FAIL_NULL_V(multimesh, false);
+		return multimesh->indirect;
+	}
+
+	_FORCE_INLINE_ RS::MultimeshTransformFormat multimesh_get_transform_format(RID p_multimesh) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		ERR_FAIL_NULL_V(multimesh, RS::MULTIMESH_TRANSFORM_3D);
+		return multimesh->xform_format;
+	}
+
+	_FORCE_INLINE_ bool multimesh_uses_colors(RID p_multimesh) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		ERR_FAIL_NULL_V(multimesh, false);
+		return multimesh->uses_colors;
+	}
+
+	_FORCE_INLINE_ bool multimesh_uses_custom_data(RID p_multimesh) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		ERR_FAIL_NULL_V(multimesh, false);
+		return multimesh->uses_custom_data;
+	}
+
+	_FORCE_INLINE_ uint32_t multimesh_get_instances_to_draw(RID p_multimesh) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		ERR_FAIL_NULL_V(multimesh, 0);
+		if (multimesh->visible_instances >= 0) {
+			return multimesh->visible_instances;
+		}
+		return multimesh->instances;
+	}
+
+	_FORCE_INLINE_ RID multimesh_get_3d_uniform_set(RID p_multimesh, RID p_shader, uint32_t p_set) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		if (multimesh == nullptr) {
+			return RID();
+		}
+		if (!multimesh->uniform_set_3d.is_valid()) {
+			if (!multimesh->buffer.is_valid()) {
+				return RID();
+			}
+			Vector<RD::Uniform> uniforms;
+			RD::Uniform u;
+			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
+			u.binding = 0;
+			u.append_id(multimesh->buffer);
+			uniforms.push_back(u);
+			multimesh->uniform_set_3d = RD::get_singleton()->uniform_set_create(uniforms, p_shader, p_set);
+		}
+
+		return multimesh->uniform_set_3d;
+	}
+
+	_FORCE_INLINE_ RID multimesh_get_2d_uniform_set(RID p_multimesh, RID p_shader, uint32_t p_set) const {
+		MultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
+		if (multimesh == nullptr) {
+			return RID();
+		}
+		if (!multimesh->uniform_set_2d.is_valid()) {
+			if (!multimesh->buffer.is_valid()) {
+				return RID();
+			}
+			Vector<RD::Uniform> uniforms;
+			RD::Uniform u;
+			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
+			u.binding = 0;
+			u.append_id(multimesh->buffer);
+			uniforms.push_back(u);
+			multimesh->uniform_set_2d = RD::get_singleton()->uniform_set_create(uniforms, p_shader, p_set);
+		}
+
+		return multimesh->uniform_set_2d;
+	}
+
+	Dependency *multimesh_get_dependency(RID p_multimesh) const;
+
+	/* SKELETON API */
+
+	bool owns_skeleton(RID p_rid) const { return skeleton_owner.owns(p_rid); }
+
+	virtual RID skeleton_allocate() override;
+	virtual void skeleton_initialize(RID p_skeleton) override;
+	virtual void skeleton_free(RID p_rid) override;
+
+	virtual void skeleton_allocate_data(RID p_skeleton, int p_bones, bool p_2d_skeleton = false) override;
+	virtual void skeleton_set_base_transform_2d(RID p_skeleton, const Transform2D &p_base_transform) override;
+	virtual int skeleton_get_bone_count(RID p_skeleton) const override;
+	virtual void skeleton_bone_set_transform(RID p_skeleton, int p_bone, const Transform3D &p_transform) override;
+	virtual Transform3D skeleton_bone_get_transform(RID p_skeleton, int p_bone) const override;
+	virtual void skeleton_bone_set_transform_2d(RID p_skeleton, int p_bone, const Transform2D &p_transform) override;
+	virtual Transform2D skeleton_bone_get_transform_2d(RID p_skeleton, int p_bone) const override;
+
+	virtual void skeleton_update_dependency(RID p_skeleton, DependencyTracker *p_instance) override;
+
+	void _update_dirty_skeletons();
+
+	_FORCE_INLINE_ bool skeleton_is_valid(RID p_skeleton) {
+		return skeleton_owner.get_or_null(p_skeleton) != nullptr;
+	}
+
+	_FORCE_INLINE_ RID skeleton_get_3d_uniform_set(RID p_skeleton, RID p_shader, uint32_t p_set) const {
+		Skeleton *skeleton = skeleton_owner.get_or_null(p_skeleton);
+		ERR_FAIL_NULL_V(skeleton, RID());
+		if (skeleton->size == 0) {
+			return RID();
+		}
+		if (skeleton->use_2d) {
+			return RID();
+		}
+		if (!skeleton->uniform_set_3d.is_valid()) {
+			Vector<RD::Uniform> uniforms;
+			RD::Uniform u;
+			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
+			u.binding = 0;
+			u.append_id(skeleton->buffer);
+			uniforms.push_back(u);
+			skeleton->uniform_set_3d = RD::get_singleton()->uniform_set_create(uniforms, p_shader, p_set);
+		}
+
+		return skeleton->uniform_set_3d;
+	}
+};
+
+} // namespace RendererRD

servers/rendering/renderer_rd/storage_rd/particles_storage.h

@@ -0,0 +1,600 @@
+/**************************************************************************/
+/*  particles_storage.h                                                   */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/templates/local_vector.h"
+#include "core/templates/rid_owner.h"
+#include "core/templates/self_list.h"
+#include "servers/rendering/renderer_rd/effects/sort_effects.h"
+#include "servers/rendering/renderer_rd/shaders/particles.glsl.gen.h"
+#include "servers/rendering/renderer_rd/shaders/particles_copy.glsl.gen.h"
+#include "servers/rendering/renderer_rd/storage_rd/material_storage.h"
+#include "servers/rendering/shader_compiler.h"
+#include "servers/rendering/storage/particles_storage.h"
+#include "servers/rendering/storage/utilities.h"
+
+namespace RendererRD {
+
+class ParticlesStorage : public RendererParticlesStorage {
+private:
+	static ParticlesStorage *singleton;
+
+	/* EFFECTS */
+	SortEffects *sort_effects = nullptr;
+
+	/* PARTICLES */
+
+	enum {
+		BASE_UNIFORM_SET,
+		MATERIAL_UNIFORM_SET,
+		COLLISION_TEXTURTES_UNIFORM_SET,
+	};
+
+	const int SAMPLERS_BINDING_FIRST_INDEX = 3;
+
+	struct ParticleData {
+		float xform[16];
+		float velocity[3];
+		uint32_t active;
+		float color[4];
+		float custom[4];
+	};
+
+	struct ParticlesFrameParams {
+		enum {
+			MAX_ATTRACTORS = 32,
+			MAX_COLLIDERS = 32,
+			MAX_3D_TEXTURES = 7
+		};
+
+		enum AttractorType {
+			ATTRACTOR_TYPE_SPHERE,
+			ATTRACTOR_TYPE_BOX,
+			ATTRACTOR_TYPE_VECTOR_FIELD,
+		};
+
+		struct Attractor {
+			float transform[16];
+			float extents[3]; //exents or radius
+			uint32_t type;
+
+			uint32_t texture_index; //texture index for vector field
+			float strength;
+			float attenuation;
+			float directionality;
+		};
+
+		enum CollisionType {
+			COLLISION_TYPE_SPHERE,
+			COLLISION_TYPE_BOX,
+			COLLISION_TYPE_SDF,
+			COLLISION_TYPE_HEIGHT_FIELD,
+			COLLISION_TYPE_2D_SDF,
+
+		};
+
+		struct Collider {
+			float transform[16];
+			float extents[3]; //exents or radius
+			uint32_t type;
+
+			uint32_t texture_index; //texture index for vector field
+			float scale;
+			uint32_t pad[2];
+		};
+
+		uint32_t emitting;
+		float system_phase;
+		float prev_system_phase;
+		uint32_t cycle;
+
+		float explosiveness;
+		float randomness;
+		float time;
+		float delta;
+
+		uint32_t frame;
+		float amount_ratio;
+		uint32_t pad1;
+		uint32_t pad2;
+
+		uint32_t random_seed;
+		uint32_t attractor_count;
+		uint32_t collider_count;
+		float particle_size;
+
+		float emission_transform[16];
+
+		float emitter_velocity[3];
+		float interp_to_end;
+
+		Attractor attractors[MAX_ATTRACTORS];
+		Collider colliders[MAX_COLLIDERS];
+	};
+
+	struct ParticleEmissionBuffer {
+		struct Data {
+			float xform[16];
+			float velocity[3];
+			uint32_t flags;
+			float color[4];
+			float custom[4];
+		};
+
+		int32_t particle_count;
+		int32_t particle_max;
+		uint32_t pad1;
+		uint32_t pad2;
+		Data data[1]; //its 2020 and empty arrays are still non standard in C++
+	};
+
+	struct Particles {
+		RS::ParticlesMode mode = RS::PARTICLES_MODE_3D;
+		bool inactive = true;
+		double inactive_time = 0.0;
+		bool emitting = false;
+		bool one_shot = false;
+		int amount = 0;
+		double lifetime = 1.0;
+		double pre_process_time = 0.0;
+		real_t request_process_time = 0.0;
+		real_t explosiveness = 0.0;
+		real_t randomness = 0.0;
+		bool restart_request = false;
+		AABB custom_aabb = AABB(Vector3(-4, -4, -4), Vector3(8, 8, 8));
+		bool use_local_coords = false;
+		bool has_collision_cache = false;
+
+		bool has_sdf_collision = false;
+		Transform2D sdf_collision_transform;
+		Rect2 sdf_collision_to_screen;
+		RID sdf_collision_texture;
+
+		RID process_material;
+		uint32_t frame_counter = 0;
+		RS::ParticlesTransformAlign transform_align = RS::PARTICLES_TRANSFORM_ALIGN_DISABLED;
+
+		RS::ParticlesDrawOrder draw_order = RS::PARTICLES_DRAW_ORDER_INDEX;
+
+		Vector<RID> draw_passes;
+		Vector<Transform3D> trail_bind_poses;
+		bool trail_bind_poses_dirty = false;
+		RID trail_bind_pose_buffer;
+		RID trail_bind_pose_uniform_set;
+
+		RID particle_buffer;
+		RID particle_instance_buffer;
+		RID frame_params_buffer;
+
+		uint32_t userdata_count = 0;
+
+		RID particles_material_uniform_set;
+		RID particles_copy_uniform_set;
+		RID particles_transforms_buffer_uniform_set;
+		RID collision_textures_uniform_set;
+
+		RID collision_3d_textures[ParticlesFrameParams::MAX_3D_TEXTURES];
+		uint32_t collision_3d_textures_used = 0;
+		RID collision_heightmap_texture;
+
+		RID particles_sort_buffer;
+		RID particles_sort_uniform_set;
+
+		bool dirty = false;
+		SelfList<Particles> update_list;
+
+		RID sub_emitter;
+
+		double phase = 0.0;
+		double prev_phase = 0.0;
+		uint64_t prev_ticks = 0;
+		uint32_t random_seed = 0;
+
+		uint32_t cycle_number = 0;
+
+		double speed_scale = 1.0;
+
+		int fixed_fps = 30;
+		bool interpolate = true;
+		bool fractional_delta = false;
+		double frame_remainder = 0;
+		real_t collision_base_size = 0.01;
+
+		uint32_t instance_motion_vectors_current_offset = 0;
+		uint32_t instance_motion_vectors_previous_offset = 0;
+		uint64_t instance_motion_vectors_last_change = -1;
+		bool instance_motion_vectors_enabled = false;
+
+		bool clear = true;
+
+		bool force_sub_emit = false;
+
+		Transform3D emission_transform;
+		Vector3 emitter_velocity;
+		float interp_to_end = 0.0;
+		float amount_ratio = 1.0;
+
+		Vector<uint8_t> emission_buffer_data;
+
+		ParticleEmissionBuffer *emission_buffer = nullptr;
+		RID emission_storage_buffer;
+
+		RID unused_emission_storage_buffer;
+		RID unused_trail_storage_buffer;
+
+		HashSet<RID> collisions;
+
+		Dependency dependency;
+
+		double trail_lifetime = 0.3;
+		bool trails_enabled = false;
+		LocalVector<ParticlesFrameParams> frame_history;
+		LocalVector<ParticlesFrameParams> trail_params;
+
+		Particles() :
+				update_list(this) {
+			random_seed = Math::rand();
+		}
+	};
+
+	void _particles_process(Particles *p_particles, double p_delta);
+	void _particles_allocate_emission_buffer(Particles *particles);
+	void _particles_ensure_unused_emission_buffer(Particles *particles);
+	void _particles_ensure_unused_trail_buffer(Particles *particles);
+	void _particles_free_data(Particles *particles);
+	void _particles_update_buffers(Particles *particles);
+
+	struct ParticlesShader {
+		struct PushConstant {
+			float lifetime;
+			uint32_t clear;
+			uint32_t total_particles;
+			uint32_t trail_size;
+
+			uint32_t use_fractional_delta;
+			uint32_t sub_emitter_mode;
+			uint32_t can_emit;
+			uint32_t trail_pass;
+		};
+
+		ParticlesShaderRD shader;
+		ShaderCompiler compiler;
+
+		RID default_shader;
+		RID default_material;
+		RID default_shader_rd;
+
+		RID base_uniform_set;
+
+		struct CopyPushConstant {
+			float sort_direction[3];
+			uint32_t total_particles;
+
+			uint32_t trail_size;
+			uint32_t trail_total;
+			float frame_delta;
+			float frame_remainder;
+
+			float align_up[3];
+			uint32_t align_mode;
+
+			uint32_t lifetime_split;
+			uint32_t lifetime_reverse;
+			uint32_t motion_vectors_current_offset;
+			struct {
+				uint32_t order_by_lifetime : 1;
+				uint32_t copy_mode_2d : 1;
+			};
+
+			float inv_emission_transform[16];
+		};
+
+		enum {
+			MAX_USERDATAS = 6
+		};
+		enum {
+			COPY_MODE_FILL_INSTANCES,
+			COPY_MODE_FILL_SORT_BUFFER,
+			COPY_MODE_FILL_INSTANCES_WITH_SORT_BUFFER,
+			COPY_MODE_MAX,
+		};
+
+		ParticlesCopyShaderRD copy_shader;
+		RID copy_shader_version;
+		RID copy_pipelines[COPY_MODE_MAX * (MAX_USERDATAS + 1)];
+
+		LocalVector<float> pose_update_buffer;
+
+	} particles_shader;
+
+	SelfList<Particles>::List particle_update_list;
+
+	mutable RID_Owner<Particles, true> particles_owner;
+
+	/* Particle Shader */
+
+	struct ParticlesShaderData : public MaterialStorage::ShaderData {
+		bool valid = false;
+		RID version;
+		bool uses_collision = false;
+
+		Vector<ShaderCompiler::GeneratedCode::Texture> texture_uniforms;
+
+		Vector<uint32_t> ubo_offsets;
+		uint32_t ubo_size = 0;
+
+		String code;
+
+		RID pipeline;
+
+		bool uses_time = false;
+
+		bool userdatas_used[ParticlesShader::MAX_USERDATAS] = {};
+		uint32_t userdata_count = 0;
+
+		virtual void set_code(const String &p_Code);
+		virtual bool is_animated() const;
+		virtual bool casts_shadows() const;
+		virtual RS::ShaderNativeSourceCode get_native_source_code() const;
+		virtual Pair<ShaderRD *, RID> get_native_shader_and_version() const;
+
+		ParticlesShaderData() {}
+		virtual ~ParticlesShaderData();
+	};
+
+	MaterialStorage::ShaderData *_create_particles_shader_func();
+	static MaterialStorage::ShaderData *_create_particles_shader_funcs() {
+		return ParticlesStorage::get_singleton()->_create_particles_shader_func();
+	}
+
+	struct ParticleProcessMaterialData : public MaterialStorage::MaterialData {
+		ParticlesShaderData *shader_data = nullptr;
+		RID uniform_set;
+
+		virtual void set_render_priority(int p_priority) {}
+		virtual void set_next_pass(RID p_pass) {}
+		virtual bool update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty);
+		virtual ~ParticleProcessMaterialData();
+	};
+
+	MaterialStorage::MaterialData *_create_particles_material_func(ParticlesShaderData *p_shader);
+	static MaterialStorage::MaterialData *_create_particles_material_funcs(MaterialStorage::ShaderData *p_shader) {
+		return ParticlesStorage::get_singleton()->_create_particles_material_func(static_cast<ParticlesShaderData *>(p_shader));
+	}
+
+	/* Particles Collision */
+
+	struct ParticlesCollision {
+		RS::ParticlesCollisionType type = RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT;
+		uint32_t cull_mask = 0xFFFFFFFF;
+		float radius = 1.0;
+		Vector3 extents = Vector3(1, 1, 1);
+		float attractor_strength = 1.0;
+		float attractor_attenuation = 1.0;
+		float attractor_directionality = 0.0;
+		RID field_texture;
+		RID heightfield_texture;
+		RID heightfield_fb;
+		Size2i heightfield_fb_size;
+		uint32_t heightfield_mask = (1 << 20) - 1;
+
+		RS::ParticlesCollisionHeightfieldResolution heightfield_resolution = RS::PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_1024;
+
+		Dependency dependency;
+	};
+
+	struct ParticlesCollisionInstance {
+		RID collision;
+		Transform3D transform;
+		bool active = false;
+	};
+
+	mutable RID_Owner<ParticlesCollision, true> particles_collision_owner;
+
+	mutable RID_Owner<ParticlesCollisionInstance> particles_collision_instance_owner;
+
+public:
+	static ParticlesStorage *get_singleton();
+
+	ParticlesStorage();
+	virtual ~ParticlesStorage();
+
+	bool free(RID p_rid);
+
+	/* PARTICLES */
+
+	bool owns_particles(RID p_rid) { return particles_owner.owns(p_rid); }
+
+	virtual RID particles_allocate() override;
+	virtual void particles_initialize(RID p_rid) override;
+	virtual void particles_free(RID p_rid) override;
+
+	virtual void particles_set_mode(RID p_particles, RS::ParticlesMode p_mode) override;
+	virtual void particles_set_emitting(RID p_particles, bool p_emitting) override;
+	virtual void particles_set_amount(RID p_particles, int p_amount) override;
+	virtual void particles_set_amount_ratio(RID p_particles, float p_amount_ratio) override;
+	virtual void particles_set_lifetime(RID p_particles, double p_lifetime) override;
+	virtual void particles_set_one_shot(RID p_particles, bool p_one_shot) override;
+	virtual void particles_set_pre_process_time(RID p_particles, double p_time) override;
+	virtual void particles_request_process_time(RID p_particles, real_t p_request_process_time) override;
+	virtual void particles_set_explosiveness_ratio(RID p_particles, real_t p_ratio) override;
+	virtual void particles_set_randomness_ratio(RID p_particles, real_t p_ratio) override;
+	virtual void particles_set_custom_aabb(RID p_particles, const AABB &p_aabb) override;
+	virtual void particles_set_speed_scale(RID p_particles, double p_scale) override;
+	virtual void particles_set_use_local_coordinates(RID p_particles, bool p_enable) override;
+	virtual void particles_set_process_material(RID p_particles, RID p_material) override;
+	virtual RID particles_get_process_material(RID p_particles) const override;
+
+	virtual void particles_set_fixed_fps(RID p_particles, int p_fps) override;
+	virtual void particles_set_interpolate(RID p_particles, bool p_enable) override;
+	virtual void particles_set_fractional_delta(RID p_particles, bool p_enable) override;
+	virtual void particles_set_collision_base_size(RID p_particles, real_t p_size) override;
+	virtual void particles_set_transform_align(RID p_particles, RS::ParticlesTransformAlign p_transform_align) override;
+	virtual void particles_set_seed(RID p_particles, uint32_t p_seed) override;
+
+	virtual void particles_set_trails(RID p_particles, bool p_enable, double p_length) override;
+	virtual void particles_set_trail_bind_poses(RID p_particles, const Vector<Transform3D> &p_bind_poses) override;
+
+	virtual void particles_restart(RID p_particles) override;
+	virtual void particles_emit(RID p_particles, const Transform3D &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) override;
+
+	virtual void particles_set_subemitter(RID p_particles, RID p_subemitter_particles) override;
+
+	virtual void particles_set_draw_order(RID p_particles, RS::ParticlesDrawOrder p_order) override;
+
+	virtual void particles_set_draw_passes(RID p_particles, int p_count) override;
+	virtual void particles_set_draw_pass_mesh(RID p_particles, int p_pass, RID p_mesh) override;
+
+	virtual void particles_request_process(RID p_particles) override;
+	virtual AABB particles_get_current_aabb(RID p_particles) override;
+	virtual AABB particles_get_aabb(RID p_particles) const override;
+
+	virtual void particles_set_emission_transform(RID p_particles, const Transform3D &p_transform) override;
+	virtual void particles_set_emitter_velocity(RID p_particles, const Vector3 &p_velocity) override;
+	virtual void particles_set_interp_to_end(RID p_particles, float p_interp_to_end) override;
+
+	virtual bool particles_get_emitting(RID p_particles) override;
+	virtual int particles_get_draw_passes(RID p_particles) const override;
+	virtual RID particles_get_draw_pass_mesh(RID p_particles, int p_pass) const override;
+
+	virtual void particles_set_view_axis(RID p_particles, const Vector3 &p_axis, const Vector3 &p_up_axis) override;
+
+	virtual bool particles_is_inactive(RID p_particles) const override;
+
+	_FORCE_INLINE_ RS::ParticlesMode particles_get_mode(RID p_particles) {
+		Particles *particles = particles_owner.get_or_null(p_particles);
+		ERR_FAIL_NULL_V(particles, RS::PARTICLES_MODE_2D);
+		return particles->mode;
+	}
+
+	_FORCE_INLINE_ uint32_t particles_get_frame_counter(RID p_particles) {
+		Particles *particles = particles_owner.get_or_null(p_particles);
+		ERR_FAIL_NULL_V(particles, false);
+		return particles->frame_counter;
+	}
+
+	_FORCE_INLINE_ uint32_t particles_get_amount(RID p_particles, uint32_t &r_trail_divisor) {
+		Particles *particles = particles_owner.get_or_null(p_particles);
+		ERR_FAIL_NULL_V(particles, 0);
+
+		if (particles->trails_enabled && particles->trail_bind_poses.size() > 1) {
+			r_trail_divisor = particles->trail_bind_poses.size();
+		} else {
+			r_trail_divisor = 1;
+		}
+
+		return particles->amount * r_trail_divisor;
+	}
+
+	_FORCE_INLINE_ bool particles_has_collision(RID p_particles) {
+		Particles *particles = particles_owner.get_or_null(p_particles);
+		ERR_FAIL_NULL_V(particles, false);
+
+		return particles->has_collision_cache;
+	}
+
+	_FORCE_INLINE_ uint32_t particles_is_using_local_coords(RID p_particles) {
+		Particles *particles = particles_owner.get_or_null(p_particles);
+		ERR_FAIL_NULL_V(particles, false);
+
+		return particles->use_local_coords;
+	}
+
+	_FORCE_INLINE_ RID particles_get_instance_buffer_uniform_set(RID p_particles, RID p_shader, uint32_t p_set) {
+		Particles *particles = particles_owner.get_or_null(p_particles);
+		ERR_FAIL_NULL_V(particles, RID());
+		if (particles->particles_transforms_buffer_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(particles->particles_transforms_buffer_uniform_set)) {
+			_particles_update_buffers(particles);
+			Vector<RD::Uniform> uniforms;
+
+			{
+				RD::Uniform u;
+				u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
+				u.binding = 0;
+				u.append_id(particles->particle_instance_buffer);
+				uniforms.push_back(u);
+			}
+
+			particles->particles_transforms_buffer_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, p_shader, p_set);
+		}
+
+		return particles->particles_transforms_buffer_uniform_set;
+	}
+
+	void particles_get_instance_buffer_motion_vectors_offsets(RID p_particles, uint32_t &r_current_offset, uint32_t &r_prev_offset);
+
+	virtual void particles_add_collision(RID p_particles, RID p_particles_collision_instance) override;
+	virtual void particles_remove_collision(RID p_particles, RID p_particles_collision_instance) override;
+	void particles_set_canvas_sdf_collision(RID p_particles, bool p_enable, const Transform2D &p_xform, const Rect2 &p_to_screen, RID p_texture);
+
+	virtual void update_particles() override;
+
+	void particles_update_dependency(RID p_particles, DependencyTracker *p_instance);
+	Dependency *particles_get_dependency(RID p_particles) const;
+
+	/* Particles Collision */
+
+	bool owns_particles_collision(RID p_rid) { return particles_collision_owner.owns(p_rid); }
+
+	virtual RID particles_collision_allocate() override;
+	virtual void particles_collision_initialize(RID p_particles_collision) override;
+	virtual void particles_collision_free(RID p_rid) override;
+
+	virtual void particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) override;
+	virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) override;
+	virtual void particles_collision_set_sphere_radius(RID p_particles_collision, real_t p_radius) override; //for spheres
+	virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) override; //for non-spheres
+	virtual void particles_collision_set_attractor_strength(RID p_particles_collision, real_t p_strength) override;
+	virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, real_t p_directionality) override;
+	virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, real_t p_curve) override;
+	virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) override; //for SDF and vector field, heightfield is dynamic
+	virtual void particles_collision_height_field_update(RID p_particles_collision) override; //for SDF and vector field
+	virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) override; //for SDF and vector field
+	virtual AABB particles_collision_get_aabb(RID p_particles_collision) const override;
+	Vector3 particles_collision_get_extents(RID p_particles_collision) const;
+	virtual bool particles_collision_is_heightfield(RID p_particles_collision) const override;
+	RID particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const;
+	virtual uint32_t particles_collision_get_height_field_mask(RID p_particles_collision) const override;
+	virtual void particles_collision_set_height_field_mask(RID p_particles_collision, uint32_t p_heightfield_mask) override;
+	virtual uint32_t particles_collision_get_cull_mask(RID p_particles_collision) const override;
+
+	Dependency *particles_collision_get_dependency(RID p_particles) const;
+
+	//used from 2D and 3D
+	bool owns_particles_collision_instance(RID p_rid) { return particles_collision_instance_owner.owns(p_rid); }
+
+	virtual RID particles_collision_instance_create(RID p_collision) override;
+	virtual void particles_collision_instance_free(RID p_rid) override;
+	virtual void particles_collision_instance_set_transform(RID p_collision_instance, const Transform3D &p_transform) override;
+	virtual void particles_collision_instance_set_active(RID p_collision_instance, bool p_active) override;
+};
+
+} // namespace RendererRD

servers/rendering/renderer_rd/storage_rd/render_buffer_custom_data_rd.h

@@ -0,0 +1,45 @@
+/**************************************************************************/
+/*  render_buffer_custom_data_rd.h                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/object/ref_counted.h"
+
+class RenderSceneBuffersRD;
+
+class RenderBufferCustomDataRD : public RefCounted {
+	GDCLASS(RenderBufferCustomDataRD, RefCounted);
+
+public:
+	virtual void configure(RenderSceneBuffersRD *p_render_buffers) = 0;
+	virtual void free_data() = 0; // called on cleanup
+
+private:
+};

servers/rendering/renderer_rd/storage_rd/render_data_rd.cpp

@@ -0,0 +1,47 @@
+/**************************************************************************/
+/*  render_data_rd.cpp                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "render_data_rd.h"
+
+Ref<RenderSceneBuffers> RenderDataRD::get_render_scene_buffers() const {
+	return render_buffers;
+}
+
+RenderSceneData *RenderDataRD::get_render_scene_data() const {
+	return scene_data;
+}
+
+RID RenderDataRD::get_environment() const {
+	return environment;
+}
+
+RID RenderDataRD::get_camera_attributes() const {
+	return camera_attributes;
+}

servers/rendering/renderer_rd/storage_rd/render_data_rd.h

@@ -0,0 +1,97 @@
+/**************************************************************************/
+/*  render_data_rd.h                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.h"
+#include "servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.h"
+#include "servers/rendering/storage/render_data.h"
+
+class RenderDataRD : public RenderData {
+	GDCLASS(RenderDataRD, RenderData);
+
+public:
+	// Access methods to expose data externally
+	virtual Ref<RenderSceneBuffers> get_render_scene_buffers() const override;
+	virtual RenderSceneData *get_render_scene_data() const override;
+
+	virtual RID get_environment() const override;
+	virtual RID get_camera_attributes() const override;
+
+	// Members are publicly accessible within the render engine.
+	Ref<RenderSceneBuffersRD> render_buffers;
+	RenderSceneDataRD *scene_data = nullptr;
+
+	const PagedArray<RenderGeometryInstance *> *instances = nullptr;
+	const PagedArray<RID> *lights = nullptr;
+	const PagedArray<RID> *reflection_probes = nullptr;
+	const PagedArray<RID> *voxel_gi_instances = nullptr;
+	const PagedArray<RID> *decals = nullptr;
+	const PagedArray<RID> *lightmaps = nullptr;
+	const PagedArray<RID> *fog_volumes = nullptr;
+	RID environment;
+	RID camera_attributes;
+	RID compositor;
+	RID shadow_atlas;
+	RID occluder_debug_tex;
+	RID reflection_atlas;
+	RID reflection_probe;
+	int reflection_probe_pass = 0;
+
+	RID cluster_buffer;
+	uint32_t cluster_size = 0;
+	uint32_t cluster_max_elements = 0;
+
+	uint32_t directional_light_count = 0;
+	bool directional_light_soft_shadows = false;
+
+	bool lightmap_bicubic_filter = false;
+
+	RenderingMethod::RenderInfo *render_info = nullptr;
+
+	/* Viewport data */
+	bool transparent_bg = false;
+	Rect2i render_region;
+
+	/* Shadow data */
+	const RendererSceneRender::RenderShadowData *render_shadows = nullptr;
+	int render_shadow_count = 0;
+
+	LocalVector<int> cube_shadows;
+	LocalVector<int> shadows;
+	LocalVector<int> directional_shadows;
+
+	/* GI info */
+	const RendererSceneRender::RenderSDFGIData *render_sdfgi_regions = nullptr;
+	int render_sdfgi_region_count = 0;
+	const RendererSceneRender::RenderSDFGIUpdateData *sdfgi_update_data = nullptr;
+
+	uint32_t voxel_gi_count = 0;
+};

servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.compat.inc

@@ -0,0 +1,72 @@
+/**************************************************************************/
+/*  render_scene_buffers_rd.compat.inc                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef DISABLE_DEPRECATED
+
+RID RenderSceneBuffersRD::_get_color_texture_compat_80214() {
+	return _get_color_texture(msaa_3d != RS::VIEWPORT_MSAA_DISABLED);
+}
+
+RID RenderSceneBuffersRD::_get_color_layer_compat_80214(const uint32_t p_layer) {
+	return _get_color_layer(p_layer, msaa_3d != RS::VIEWPORT_MSAA_DISABLED);
+}
+
+RID RenderSceneBuffersRD::_get_depth_texture_compat_80214() {
+	return _get_depth_texture(msaa_3d != RS::VIEWPORT_MSAA_DISABLED);
+}
+
+RID RenderSceneBuffersRD::_get_depth_layer_compat_80214(const uint32_t p_layer) {
+	return _get_depth_layer(p_layer, msaa_3d != RS::VIEWPORT_MSAA_DISABLED);
+}
+
+RID RenderSceneBuffersRD::_get_velocity_texture_compat_80214() {
+	return _get_velocity_texture(msaa_3d != RS::VIEWPORT_MSAA_DISABLED);
+}
+
+RID RenderSceneBuffersRD::_get_velocity_layer_compat_80214(const uint32_t p_layer) {
+	return _get_velocity_layer(p_layer, msaa_3d != RS::VIEWPORT_MSAA_DISABLED);
+}
+
+RID RenderSceneBuffersRD::_create_texture_bind_compat_98670(const StringName &p_context, const StringName &p_texture_name, const RD::DataFormat p_data_format, const uint32_t p_usage_bits, const RD::TextureSamples p_texture_samples, const Size2i p_size, const uint32_t p_layers, const uint32_t p_mipmaps, bool p_unique) {
+	return create_texture(p_context, p_texture_name, p_data_format, p_usage_bits, p_texture_samples, p_size, p_layers, p_mipmaps, p_unique, false);
+}
+
+void RenderSceneBuffersRD::_bind_compatibility_methods() {
+	ClassDB::bind_compatibility_method(D_METHOD("get_color_texture"), &RenderSceneBuffersRD::_get_color_texture_compat_80214);
+	ClassDB::bind_compatibility_method(D_METHOD("get_color_layer", "layer"), &RenderSceneBuffersRD::_get_color_layer_compat_80214);
+	ClassDB::bind_compatibility_method(D_METHOD("get_depth_texture"), &RenderSceneBuffersRD::_get_depth_texture_compat_80214);
+	ClassDB::bind_compatibility_method(D_METHOD("get_depth_layer", "layer"), &RenderSceneBuffersRD::_get_depth_layer_compat_80214);
+	ClassDB::bind_compatibility_method(D_METHOD("get_velocity_texture"), &RenderSceneBuffersRD::_get_velocity_texture_compat_80214);
+	ClassDB::bind_compatibility_method(D_METHOD("get_velocity_layer", "layer"), &RenderSceneBuffersRD::_get_velocity_layer_compat_80214);
+
+	ClassDB::bind_compatibility_method(D_METHOD("create_texture", "context", "name", "data_format", "usage_bits", "texture_samples", "size", "layers", "mipmaps", "unique"), &RenderSceneBuffersRD::_create_texture_bind_compat_98670);
+}
+
+#endif // DISABLE_DEPRECATED

servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.cpp

@@ -0,0 +1,777 @@
+/**************************************************************************/
+/*  render_scene_buffers_rd.cpp                                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "render_scene_buffers_rd.h"
+#include "render_scene_buffers_rd.compat.inc"
+
+#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h"
+
+RenderSceneBuffersRD::RenderSceneBuffersRD() {
+}
+
+RenderSceneBuffersRD::~RenderSceneBuffersRD() {
+	cleanup();
+
+	data_buffers.clear();
+
+	RendererRD::MaterialStorage::get_singleton()->samplers_rd_free(samplers);
+}
+
+void RenderSceneBuffersRD::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("has_texture", "context", "name"), &RenderSceneBuffersRD::has_texture);
+	ClassDB::bind_method(D_METHOD("create_texture", "context", "name", "data_format", "usage_bits", "texture_samples", "size", "layers", "mipmaps", "unique", "discardable"), &RenderSceneBuffersRD::create_texture);
+	ClassDB::bind_method(D_METHOD("create_texture_from_format", "context", "name", "format", "view", "unique"), &RenderSceneBuffersRD::_create_texture_from_format);
+	ClassDB::bind_method(D_METHOD("create_texture_view", "context", "name", "view_name", "view"), &RenderSceneBuffersRD::_create_texture_view);
+	ClassDB::bind_method(D_METHOD("get_texture", "context", "name"), &RenderSceneBuffersRD::get_texture);
+	ClassDB::bind_method(D_METHOD("get_texture_format", "context", "name"), &RenderSceneBuffersRD::_get_texture_format);
+	ClassDB::bind_method(D_METHOD("get_texture_slice", "context", "name", "layer", "mipmap", "layers", "mipmaps"), &RenderSceneBuffersRD::get_texture_slice);
+	ClassDB::bind_method(D_METHOD("get_texture_slice_view", "context", "name", "layer", "mipmap", "layers", "mipmaps", "view"), &RenderSceneBuffersRD::_get_texture_slice_view);
+	ClassDB::bind_method(D_METHOD("get_texture_slice_size", "context", "name", "mipmap"), &RenderSceneBuffersRD::get_texture_slice_size);
+	ClassDB::bind_method(D_METHOD("clear_context", "context"), &RenderSceneBuffersRD::clear_context);
+
+	// Access to some core buffers so users don't need to know their names.
+	ClassDB::bind_method(D_METHOD("get_color_texture", "msaa"), &RenderSceneBuffersRD::_get_color_texture, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_color_layer", "layer", "msaa"), &RenderSceneBuffersRD::_get_color_layer, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_depth_texture", "msaa"), &RenderSceneBuffersRD::_get_depth_texture, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_depth_layer", "layer", "msaa"), &RenderSceneBuffersRD::_get_depth_layer, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_velocity_texture", "msaa"), &RenderSceneBuffersRD::_get_velocity_texture, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_velocity_layer", "layer", "msaa"), &RenderSceneBuffersRD::_get_velocity_layer, DEFVAL(false));
+
+	// Expose a few properties we're likely to use externally
+	ClassDB::bind_method(D_METHOD("get_render_target"), &RenderSceneBuffersRD::get_render_target);
+	ClassDB::bind_method(D_METHOD("get_view_count"), &RenderSceneBuffersRD::get_view_count);
+	ClassDB::bind_method(D_METHOD("get_internal_size"), &RenderSceneBuffersRD::get_internal_size);
+	ClassDB::bind_method(D_METHOD("get_target_size"), &RenderSceneBuffersRD::get_target_size);
+	ClassDB::bind_method(D_METHOD("get_scaling_3d_mode"), &RenderSceneBuffersRD::get_scaling_3d_mode);
+	ClassDB::bind_method(D_METHOD("get_fsr_sharpness"), &RenderSceneBuffersRD::get_fsr_sharpness);
+	ClassDB::bind_method(D_METHOD("get_msaa_3d"), &RenderSceneBuffersRD::get_msaa_3d);
+	ClassDB::bind_method(D_METHOD("get_texture_samples"), &RenderSceneBuffersRD::get_texture_samples);
+	ClassDB::bind_method(D_METHOD("get_screen_space_aa"), &RenderSceneBuffersRD::get_screen_space_aa);
+	ClassDB::bind_method(D_METHOD("get_use_taa"), &RenderSceneBuffersRD::get_use_taa);
+	ClassDB::bind_method(D_METHOD("get_use_debanding"), &RenderSceneBuffersRD::get_use_debanding);
+}
+
+void RenderSceneBuffersRD::update_sizes(NamedTexture &p_named_texture) {
+	ERR_FAIL_COND(p_named_texture.texture.is_null());
+
+	p_named_texture.sizes.resize(p_named_texture.format.mipmaps);
+
+	Size2i mipmap_size = Size2i(p_named_texture.format.width, p_named_texture.format.height);
+	for (uint32_t mipmap = 0; mipmap < p_named_texture.format.mipmaps; mipmap++) {
+		p_named_texture.sizes.ptrw()[mipmap] = mipmap_size;
+
+		mipmap_size = Size2i(mipmap_size.width >> 1, mipmap_size.height >> 1).maxi(1);
+	}
+}
+
+void RenderSceneBuffersRD::free_named_texture(NamedTexture &p_named_texture) {
+	if (p_named_texture.texture.is_valid()) {
+		RD::get_singleton()->free(p_named_texture.texture);
+	}
+	p_named_texture.texture = RID();
+	p_named_texture.slices.clear(); // slices should be freed automatically as dependents...
+}
+
+void RenderSceneBuffersRD::update_samplers() {
+	float computed_mipmap_bias = texture_mipmap_bias;
+
+	if (use_taa || (RS::scaling_3d_mode_type(scaling_3d_mode) == RS::VIEWPORT_SCALING_3D_TYPE_TEMPORAL)) {
+		// Use negative mipmap LOD bias when TAA or FSR2 is enabled to compensate for loss of sharpness.
+		// This restores sharpness in still images to be roughly at the same level as without TAA,
+		// but moving scenes will still be blurrier.
+		computed_mipmap_bias -= 0.5;
+	}
+
+	if (screen_space_aa == RS::VIEWPORT_SCREEN_SPACE_AA_FXAA) {
+		// Use negative mipmap LOD bias when FXAA is enabled to compensate for loss of sharpness.
+		// If both TAA and FXAA are enabled, combine their negative LOD biases together.
+		computed_mipmap_bias -= 0.25;
+	}
+
+	RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton();
+	material_storage->samplers_rd_free(samplers);
+	samplers = material_storage->samplers_rd_allocate(computed_mipmap_bias, anisotropic_filtering_level);
+}
+
+void RenderSceneBuffersRD::cleanup() {
+	// Free our data buffers (but don't destroy them)
+	for (KeyValue<StringName, Ref<RenderBufferCustomDataRD>> &E : data_buffers) {
+		E.value->free_data();
+	}
+
+	// Clear our named textures
+	for (KeyValue<NTKey, NamedTexture> &E : named_textures) {
+		free_named_texture(E.value);
+	}
+	named_textures.clear();
+
+	// Clear weight_buffer / blur textures.
+	for (WeightBuffers &weight_buffer : weight_buffers) {
+		if (weight_buffer.weight.is_valid()) {
+			RD::get_singleton()->free(weight_buffer.weight);
+			weight_buffer.weight = RID();
+		}
+	}
+
+#ifdef METAL_ENABLED
+	if (mfx_spatial_context) {
+		memdelete(mfx_spatial_context);
+		mfx_spatial_context = nullptr;
+	}
+#endif
+}
+
+void RenderSceneBuffersRD::configure(const RenderSceneBuffersConfiguration *p_config) {
+	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+
+	render_target = p_config->get_render_target();
+	target_size = p_config->get_target_size();
+	internal_size = p_config->get_internal_size();
+	view_count = p_config->get_view_count();
+
+	scaling_3d_mode = p_config->get_scaling_3d_mode();
+	msaa_3d = p_config->get_msaa_3d();
+	screen_space_aa = p_config->get_screen_space_aa();
+
+	fsr_sharpness = p_config->get_fsr_sharpness();
+	texture_mipmap_bias = p_config->get_texture_mipmap_bias();
+	anisotropic_filtering_level = p_config->get_anisotropic_filtering_level();
+	use_taa = p_config->get_use_taa();
+	use_debanding = p_config->get_use_debanding();
+
+	ERR_FAIL_COND_MSG(view_count == 0, "Must have at least 1 view");
+
+	vrs_mode = texture_storage->render_target_get_vrs_mode(render_target);
+
+	update_samplers();
+
+	// cleanout any old buffers we had.
+	cleanup();
+
+	// Create our color buffer.
+	const bool resolve_target = msaa_3d != RS::VIEWPORT_MSAA_DISABLED;
+	create_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR, base_data_format, get_color_usage_bits(resolve_target, false, can_be_storage));
+
+	// TODO: Detect when it is safe to use RD::TEXTURE_USAGE_TRANSIENT_BIT for RB_TEX_DEPTH, RB_TEX_COLOR_MSAA and/or RB_TEX_DEPTH_MSAA.
+	// (it means we cannot sample from it, we cannot copy from/to it) to save VRAM (and maybe performance too).
+
+	// Create our depth buffer.
+	create_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH, get_depth_format(resolve_target, false, can_be_storage), get_depth_usage_bits(resolve_target, false, can_be_storage));
+
+	// Create our MSAA buffers.
+	if (msaa_3d == RS::VIEWPORT_MSAA_DISABLED) {
+		texture_samples = RD::TEXTURE_SAMPLES_1;
+	} else {
+		texture_samples = msaa_to_samples(msaa_3d);
+		create_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA, base_data_format, get_color_usage_bits(false, true, can_be_storage), texture_samples, Size2i(), 0, 1, true, true);
+		create_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA, get_depth_format(false, true, can_be_storage), get_depth_usage_bits(false, true, can_be_storage), texture_samples, Size2i(), 0, 1, true, true);
+	}
+
+	// VRS (note, our vrs object will only be set if VRS is supported)
+	RID vrs_texture;
+	if (vrs && vrs_mode != RS::VIEWPORT_VRS_DISABLED) {
+		vrs_texture = create_texture(RB_SCOPE_VRS, RB_TEXTURE, get_vrs_format(), get_vrs_usage_bits(), RD::TEXTURE_SAMPLES_1, vrs->get_vrs_texture_size(internal_size));
+	}
+
+	// (re-)configure any named buffers
+	for (KeyValue<StringName, Ref<RenderBufferCustomDataRD>> &E : data_buffers) {
+		E.value->configure(this);
+	}
+}
+
+void RenderSceneBuffersRD::configure_for_reflections(const Size2i p_reflection_size) {
+	// For now our render buffers for reflections are only used for effects/environment (Sky/Fog/Etc)
+	// Possibly at some point move our entire reflection atlas buffer management into this class
+
+	target_size = p_reflection_size;
+	internal_size = p_reflection_size;
+	render_target = RID();
+	scaling_3d_mode = RS::VIEWPORT_SCALING_3D_MODE_OFF;
+	fsr_sharpness = 0.0;
+	msaa_3d = RS::VIEWPORT_MSAA_DISABLED;
+	screen_space_aa = RS::VIEWPORT_SCREEN_SPACE_AA_DISABLED;
+	use_taa = false;
+	use_debanding = false;
+	view_count = 1;
+
+	// cleanout any old buffers we had.
+	cleanup();
+
+	// (re-)configure any named buffers
+	for (KeyValue<StringName, Ref<RenderBufferCustomDataRD>> &E : data_buffers) {
+		E.value->configure(this);
+	}
+}
+
+void RenderSceneBuffersRD::set_fsr_sharpness(float p_fsr_sharpness) {
+	fsr_sharpness = p_fsr_sharpness;
+}
+
+void RenderSceneBuffersRD::set_texture_mipmap_bias(float p_texture_mipmap_bias) {
+	texture_mipmap_bias = p_texture_mipmap_bias;
+
+	update_samplers();
+}
+
+void RenderSceneBuffersRD::set_anisotropic_filtering_level(RS::ViewportAnisotropicFiltering p_anisotropic_filtering_level) {
+	anisotropic_filtering_level = p_anisotropic_filtering_level;
+
+	update_samplers();
+}
+
+void RenderSceneBuffersRD::set_use_debanding(bool p_use_debanding) {
+	use_debanding = p_use_debanding;
+}
+
+#ifdef METAL_ENABLED
+void RenderSceneBuffersRD::ensure_mfx(RendererRD::MFXSpatialEffect *p_effect) {
+	if (mfx_spatial_context) {
+		return;
+	}
+
+	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+	RenderingDevice *rd = RD::get_singleton();
+
+	// Determine the output format of the render target.
+	RID dest = texture_storage->render_target_get_rd_texture(render_target);
+	RD::TextureFormat tf = rd->texture_get_format(dest);
+	RD::DataFormat output_format = tf.format;
+
+	RendererRD::MFXSpatialEffect::CreateParams params = {
+		.input_size = internal_size,
+		.output_size = target_size,
+		.input_format = base_data_format,
+		.output_format = output_format,
+	};
+
+	mfx_spatial_context = p_effect->create_context(params);
+}
+#endif
+
+// Named textures
+
+bool RenderSceneBuffersRD::has_texture(const StringName &p_context, const StringName &p_texture_name) const {
+	NTKey key(p_context, p_texture_name);
+
+	return named_textures.has(key);
+}
+
+RID RenderSceneBuffersRD::create_texture(const StringName &p_context, const StringName &p_texture_name, const RD::DataFormat p_data_format, const uint32_t p_usage_bits, const RD::TextureSamples p_texture_samples, const Size2i p_size, const uint32_t p_layers, const uint32_t p_mipmaps, bool p_unique, bool p_discardable) {
+	// Keep some useful data, we use default values when these are 0.
+	Size2i size = p_size == Size2i(0, 0) ? internal_size : p_size;
+	uint32_t layers = p_layers == 0 ? view_count : p_layers;
+	uint32_t mipmaps = p_mipmaps == 0 ? 1 : p_mipmaps;
+
+	// Create our texture
+	RD::TextureFormat tf;
+	tf.format = p_data_format;
+	if (layers > 1) {
+		tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY;
+	}
+
+	tf.width = size.x;
+	tf.height = size.y;
+	tf.depth = 1;
+	tf.array_layers = layers;
+	tf.mipmaps = mipmaps;
+	tf.usage_bits = p_usage_bits;
+	tf.samples = p_texture_samples;
+	tf.is_discardable = p_discardable;
+
+	return create_texture_from_format(p_context, p_texture_name, tf, RD::TextureView(), p_unique);
+}
+
+RID RenderSceneBuffersRD::_create_texture_from_format(const StringName &p_context, const StringName &p_texture_name, const Ref<RDTextureFormat> &p_texture_format, const Ref<RDTextureView> &p_view, bool p_unique) {
+	ERR_FAIL_COND_V(p_texture_format.is_null(), RID());
+
+	RD::TextureView texture_view;
+	if (p_view.is_valid()) { // only use when supplied, else default.
+		texture_view = p_view->base;
+	}
+
+	return create_texture_from_format(p_context, p_texture_name, p_texture_format->base, texture_view, p_unique);
+}
+
+RID RenderSceneBuffersRD::create_texture_from_format(const StringName &p_context, const StringName &p_texture_name, const RD::TextureFormat &p_texture_format, RD::TextureView p_view, bool p_unique) {
+	// TODO p_unique, if p_unique is true, this is a texture that can be shared. This will be implemented later as an optimization.
+
+	NTKey key(p_context, p_texture_name);
+
+	// check if this is a known texture
+	if (named_textures.has(key)) {
+		return named_textures[key].texture;
+	}
+
+	// Add a new entry..
+	NamedTexture &named_texture = named_textures[key];
+	named_texture.format = p_texture_format;
+	named_texture.is_unique = p_unique;
+	named_texture.texture = RD::get_singleton()->texture_create(p_texture_format, p_view);
+
+	Array arr = { p_context, p_texture_name };
+	RD::get_singleton()->set_resource_name(named_texture.texture, String("RenderBuffer {0}/{1}").format(arr));
+
+	update_sizes(named_texture);
+
+	// The rest is lazy created..
+
+	return named_texture.texture;
+}
+
+RID RenderSceneBuffersRD::_create_texture_view(const StringName &p_context, const StringName &p_texture_name, const StringName &p_view_name, const Ref<RDTextureView> p_view) {
+	RD::TextureView texture_view;
+	if (p_view.is_valid()) { // only use when supplied, else default.
+		texture_view = p_view->base;
+	}
+
+	return create_texture_view(p_context, p_texture_name, p_view_name, texture_view);
+}
+
+RID RenderSceneBuffersRD::create_texture_view(const StringName &p_context, const StringName &p_texture_name, const StringName &p_view_name, RD::TextureView p_view) {
+	NTKey view_key(p_context, p_view_name);
+
+	// check if this is a known texture
+	if (named_textures.has(view_key)) {
+		return named_textures[view_key].texture;
+	}
+
+	NTKey key(p_context, p_texture_name);
+
+	ERR_FAIL_COND_V(!named_textures.has(key), RID());
+
+	NamedTexture &named_texture = named_textures[key];
+	NamedTexture &view_texture = named_textures[view_key];
+
+	view_texture.format = named_texture.format;
+	view_texture.is_unique = named_texture.is_unique;
+
+	view_texture.texture = RD::get_singleton()->texture_create_shared(p_view, named_texture.texture);
+
+	Array arr = { p_context, p_view_name };
+	RD::get_singleton()->set_resource_name(view_texture.texture, String("RenderBuffer View {0}/{1}").format(arr));
+
+	update_sizes(named_texture);
+
+	return view_texture.texture;
+}
+
+RID RenderSceneBuffersRD::get_texture(const StringName &p_context, const StringName &p_texture_name) const {
+	NTKey key(p_context, p_texture_name);
+
+	ERR_FAIL_COND_V(!named_textures.has(key), RID());
+
+	return named_textures[key].texture;
+}
+
+Ref<RDTextureFormat> RenderSceneBuffersRD::_get_texture_format(const StringName &p_context, const StringName &p_texture_name) const {
+	Ref<RDTextureFormat> tf;
+	tf.instantiate();
+
+	tf->base = get_texture_format(p_context, p_texture_name);
+
+	return tf;
+}
+
+RID RenderSceneBuffersRD::_get_texture_slice_view(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_layer, const uint32_t p_mipmap, const uint32_t p_layers, const uint32_t p_mipmaps, const Ref<RDTextureView> p_view) {
+	RD::TextureView texture_view;
+	if (p_view.is_valid()) {
+		texture_view = p_view->base;
+	}
+
+	return get_texture_slice_view(p_context, p_texture_name, p_layer, p_mipmap, p_layers, p_mipmaps, texture_view);
+}
+
+const RD::TextureFormat RenderSceneBuffersRD::get_texture_format(const StringName &p_context, const StringName &p_texture_name) const {
+	NTKey key(p_context, p_texture_name);
+
+	ERR_FAIL_COND_V(!named_textures.has(key), RD::TextureFormat());
+
+	return named_textures[key].format;
+}
+
+RID RenderSceneBuffersRD::get_texture_slice(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_layer, const uint32_t p_mipmap, const uint32_t p_layers, const uint32_t p_mipmaps) {
+	return get_texture_slice_view(p_context, p_texture_name, p_layer, p_mipmap, p_layers, p_mipmaps, RD::TextureView());
+}
+
+RID RenderSceneBuffersRD::get_texture_slice_view(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_layer, const uint32_t p_mipmap, const uint32_t p_layers, const uint32_t p_mipmaps, RD::TextureView p_view) {
+	NTKey key(p_context, p_texture_name);
+
+	// check if this is a known texture
+	ERR_FAIL_COND_V(!named_textures.has(key), RID());
+	NamedTexture &named_texture = named_textures[key];
+	ERR_FAIL_COND_V(named_texture.texture.is_null(), RID());
+
+	// check if we're in bounds
+	ERR_FAIL_UNSIGNED_INDEX_V(p_layer, named_texture.format.array_layers, RID());
+	ERR_FAIL_COND_V(p_layers == 0, RID());
+	ERR_FAIL_COND_V(p_layer + p_layers > named_texture.format.array_layers, RID());
+	ERR_FAIL_UNSIGNED_INDEX_V(p_mipmap, named_texture.format.mipmaps, RID());
+	ERR_FAIL_COND_V(p_mipmaps == 0, RID());
+	ERR_FAIL_COND_V(p_mipmap + p_mipmaps > named_texture.format.mipmaps, RID());
+
+	// asking the whole thing? just return the original
+	RD::TextureView default_view = RD::TextureView();
+	if (p_layer == 0 && p_mipmap == 0 && named_texture.format.array_layers == p_layers && named_texture.format.mipmaps == p_mipmaps && p_view == default_view) {
+		return named_texture.texture;
+	}
+
+	// see if we have this
+	NTSliceKey slice_key(p_layer, p_layers, p_mipmap, p_mipmaps, p_view);
+	if (named_texture.slices.has(slice_key)) {
+		return named_texture.slices[slice_key];
+	}
+
+	// create our slice
+	RID &slice = named_texture.slices[slice_key];
+	slice = RD::get_singleton()->texture_create_shared_from_slice(p_view, named_texture.texture, p_layer, p_mipmap, p_mipmaps, p_layers > 1 ? RD::TEXTURE_SLICE_2D_ARRAY : RD::TEXTURE_SLICE_2D, p_layers);
+
+	Array arr = {
+		p_context,
+		p_texture_name,
+		itos(p_layer),
+		itos(p_layers),
+		itos(p_mipmap),
+		itos(p_mipmaps),
+		itos(p_view.format_override),
+		itos(p_view.swizzle_r),
+		itos(p_view.swizzle_g),
+		itos(p_view.swizzle_b),
+		itos(p_view.swizzle_a)
+	};
+	RD::get_singleton()->set_resource_name(slice, String("RenderBuffer {0}/{1}, layer {2}/{3}, mipmap {4}/{5}, view {6}/{7}/{8}/{9}/{10}").format(arr));
+
+	// and return our slice
+	return slice;
+}
+
+Size2i RenderSceneBuffersRD::get_texture_slice_size(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_mipmap) {
+	NTKey key(p_context, p_texture_name);
+
+	// check if this is a known texture
+	ERR_FAIL_COND_V(!named_textures.has(key), Size2i());
+	NamedTexture &named_texture = named_textures[key];
+	ERR_FAIL_COND_V(named_texture.texture.is_null(), Size2i());
+
+	// check if we're in bounds
+	ERR_FAIL_UNSIGNED_INDEX_V(p_mipmap, named_texture.format.mipmaps, Size2i());
+
+	// return our size
+	return named_texture.sizes[p_mipmap];
+}
+
+void RenderSceneBuffersRD::clear_context(const StringName &p_context) {
+	Vector<NTKey> to_free; // free these
+
+	// Find all entries for our context, we don't want to free them yet or our loop fails.
+	for (KeyValue<NTKey, NamedTexture> &E : named_textures) {
+		if (E.key.context == p_context) {
+			to_free.push_back(E.key);
+		}
+	}
+
+	// Now free these and remove them from our textures
+	for (NTKey &key : to_free) {
+		free_named_texture(named_textures[key]);
+		named_textures.erase(key);
+	}
+}
+
+// Allocate shared buffers
+void RenderSceneBuffersRD::allocate_blur_textures() {
+	if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_BLUR_0)) {
+		// already allocated...
+		return;
+	}
+
+	Size2i blur_size = internal_size;
+	if (RS::scaling_3d_mode_type(scaling_3d_mode) == RS::VIEWPORT_SCALING_3D_TYPE_TEMPORAL) {
+		// The blur texture should be as big as the target size when using an upscaler.
+		blur_size = target_size;
+	}
+
+	uint32_t mipmaps_required = Image::get_image_required_mipmaps(blur_size.x, blur_size.y, Image::FORMAT_RGBAH);
+
+	uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT;
+	if (can_be_storage) {
+		usage_bits += RD::TEXTURE_USAGE_STORAGE_BIT;
+	} else {
+		usage_bits += RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT;
+	}
+
+	create_texture(RB_SCOPE_BUFFERS, RB_TEX_BLUR_0, base_data_format, usage_bits, RD::TEXTURE_SAMPLES_1, blur_size, view_count, mipmaps_required);
+	create_texture(RB_SCOPE_BUFFERS, RB_TEX_BLUR_1, base_data_format, usage_bits, RD::TEXTURE_SAMPLES_1, Size2i(blur_size.x >> 1, blur_size.y >> 1), view_count, mipmaps_required - 1);
+
+	// if !can_be_storage we need a half width version
+	if (!can_be_storage) {
+		create_texture(RB_SCOPE_BUFFERS, RB_TEX_HALF_BLUR, base_data_format, usage_bits, RD::TEXTURE_SAMPLES_1, Size2i(blur_size.x >> 1, blur_size.y), 1, mipmaps_required);
+	}
+
+	// TODO redo this:
+	if (!can_be_storage) {
+		// create 4 weight textures, 2 full size, 2 half size
+
+		RD::TextureFormat tf;
+		tf.format = RD::DATA_FORMAT_R16_SFLOAT; // We could probably use DATA_FORMAT_R8_SNORM if we don't pre-multiply by blur_size but that depends on whether we can remove DEPTH_GAP
+		tf.width = blur_size.x;
+		tf.height = blur_size.y;
+		tf.texture_type = RD::TEXTURE_TYPE_2D;
+		tf.array_layers = 1; // Our DOF effect handles one eye per turn
+		tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT;
+		tf.mipmaps = 1;
+		for (uint32_t i = 0; i < 4; i++) {
+			// associated blur texture
+			RID texture;
+			if (i == 1) {
+				texture = get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_BLUR_0, 0, 0);
+			} else if (i == 2) {
+				texture = get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_BLUR_1, 0, 0);
+			} else if (i == 3) {
+				texture = get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_BLUR_0, 0, 1);
+			}
+
+			// create weight texture
+			weight_buffers[i].weight = RD::get_singleton()->texture_create(tf, RD::TextureView());
+
+			// create frame buffer
+			Vector<RID> fb;
+			if (i != 0) {
+				fb.push_back(texture);
+			}
+			fb.push_back(weight_buffers[i].weight);
+			weight_buffers[i].fb = RD::get_singleton()->framebuffer_create(fb);
+
+			if (i == 1) {
+				// next 2 are half size
+				tf.width = MAX(1u, tf.width >> 1);
+				tf.height = MAX(1u, tf.height >> 1);
+			}
+		}
+	}
+}
+
+// Data buffers
+
+bool RenderSceneBuffersRD::has_custom_data(const StringName &p_name) {
+	return data_buffers.has(p_name);
+}
+
+void RenderSceneBuffersRD::set_custom_data(const StringName &p_name, Ref<RenderBufferCustomDataRD> p_data) {
+	if (p_data.is_valid()) {
+		data_buffers[p_name] = p_data;
+	} else if (has_custom_data(p_name)) {
+		data_buffers.erase(p_name);
+	}
+}
+
+Ref<RenderBufferCustomDataRD> RenderSceneBuffersRD::get_custom_data(const StringName &p_name) const {
+	ERR_FAIL_COND_V(!data_buffers.has(p_name), Ref<RenderBufferCustomDataRD>());
+
+	Ref<RenderBufferCustomDataRD> ret = data_buffers[p_name];
+
+	return ret;
+}
+
+// Depth texture
+
+bool RenderSceneBuffersRD::has_depth_texture() {
+	if (render_target.is_null()) {
+		// not applicable when there is no render target (likely this is for a reflection probe)
+		return false;
+	}
+
+	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+	RID depth = texture_storage->render_target_get_override_depth(render_target);
+	if (depth.is_valid()) {
+		return true;
+	} else {
+		return has_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH);
+	}
+}
+
+RID RenderSceneBuffersRD::get_depth_texture() {
+	if (render_target.is_null()) {
+		// not applicable when there is no render target (likely this is for a reflection probe)
+		return RID();
+	}
+
+	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+	RID depth = texture_storage->render_target_get_override_depth(render_target);
+	if (depth.is_valid()) {
+		return depth;
+	} else {
+		return get_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH);
+	}
+}
+
+RID RenderSceneBuffersRD::get_depth_texture(const uint32_t p_layer) {
+	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+	RID depth_slice = texture_storage->render_target_get_override_depth_slice(render_target, p_layer);
+	if (depth_slice.is_valid()) {
+		return depth_slice;
+	} else {
+		return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_DEPTH, p_layer, 0);
+	}
+}
+
+// Upscaled texture.
+
+void RenderSceneBuffersRD::ensure_upscaled() {
+	if (!has_upscaled_texture()) {
+		uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | (can_be_storage ? RD::TEXTURE_USAGE_STORAGE_BIT : 0) | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT;
+		usage_bits |= RD::TEXTURE_USAGE_INPUT_ATTACHMENT_BIT;
+		create_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_UPSCALED, base_data_format, usage_bits, RD::TEXTURE_SAMPLES_1, target_size);
+	}
+}
+
+// Velocity texture.
+
+void RenderSceneBuffersRD::ensure_velocity() {
+	if (!has_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY)) {
+		const bool msaa = msaa_3d != RS::VIEWPORT_MSAA_DISABLED;
+		create_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY, get_velocity_format(), get_velocity_usage_bits(msaa, false, can_be_storage));
+
+		if (msaa) {
+			create_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY_MSAA, get_velocity_format(), get_velocity_usage_bits(false, msaa, can_be_storage), texture_samples);
+		}
+	}
+}
+
+bool RenderSceneBuffersRD::has_velocity_buffer(bool p_has_msaa) {
+	if (p_has_msaa) {
+		return has_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY_MSAA);
+	} else {
+		RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+		RID velocity = texture_storage->render_target_get_override_velocity(render_target);
+		if (velocity.is_valid()) {
+			return true;
+		} else {
+			return has_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY);
+		}
+	}
+}
+
+RID RenderSceneBuffersRD::get_velocity_buffer(bool p_get_msaa) {
+	if (p_get_msaa) {
+		if (!has_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY_MSAA)) {
+			return RID();
+		} else {
+			return get_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY_MSAA);
+		}
+	} else {
+		RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+		RID velocity = texture_storage->render_target_get_override_velocity(render_target);
+		if (velocity.is_valid()) {
+			return velocity;
+		} else if (!has_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY)) {
+			return RID();
+		} else {
+			return get_texture(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY);
+		}
+	}
+}
+
+RID RenderSceneBuffersRD::get_velocity_buffer(bool p_get_msaa, uint32_t p_layer) {
+	if (p_get_msaa) {
+		return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY_MSAA, p_layer, 0);
+	} else {
+		RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+		RID velocity_slice = texture_storage->render_target_get_override_velocity_slice(render_target, p_layer);
+		if (velocity_slice.is_valid()) {
+			return velocity_slice;
+		} else {
+			return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_VELOCITY, p_layer, 0);
+		}
+	}
+}
+
+RID RenderSceneBuffersRD::get_velocity_depth_buffer() {
+	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
+	RID velocity_depth = texture_storage->render_target_get_override_velocity_depth(render_target);
+	return velocity_depth;
+}
+
+uint32_t RenderSceneBuffersRD::get_color_usage_bits(bool p_resolve, bool p_msaa, bool p_storage) {
+	DEV_ASSERT((!p_resolve && !p_msaa) || (p_resolve != p_msaa));
+
+	uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_INPUT_ATTACHMENT_BIT;
+	if (p_msaa) {
+		usage_bits |= RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT;
+	} else if (p_resolve) {
+		usage_bits |= RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | (p_storage ? RD::TEXTURE_USAGE_STORAGE_BIT : 0);
+	} else {
+		usage_bits |= (p_storage ? RD::TEXTURE_USAGE_STORAGE_BIT : 0);
+	}
+
+	return usage_bits;
+}
+
+RD::DataFormat RenderSceneBuffersRD::get_depth_format(bool p_resolve, bool p_msaa, bool p_storage) {
+	if (p_resolve) {
+		return RD::DATA_FORMAT_R32_SFLOAT;
+	} else {
+		const RenderingDeviceCommons::DataFormat preferred_formats[2] = {
+			p_storage ? RD::DATA_FORMAT_D32_SFLOAT_S8_UINT : RD::DATA_FORMAT_D24_UNORM_S8_UINT,
+			p_storage ? RD::DATA_FORMAT_D24_UNORM_S8_UINT : RD::DATA_FORMAT_D32_SFLOAT_S8_UINT
+		};
+
+		return RD::get_singleton()->texture_is_format_supported_for_usage(preferred_formats[0], get_depth_usage_bits(p_resolve, p_msaa, p_storage)) ? preferred_formats[0] : preferred_formats[1];
+	}
+}
+
+uint32_t RenderSceneBuffersRD::get_depth_usage_bits(bool p_resolve, bool p_msaa, bool p_storage) {
+	DEV_ASSERT((!p_resolve && !p_msaa) || (p_resolve != p_msaa));
+
+	uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT;
+	if (p_msaa) {
+		usage_bits |= RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT;
+	} else if (p_resolve) {
+		usage_bits |= RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | (p_storage ? RD::TEXTURE_USAGE_STORAGE_BIT : 0);
+	} else {
+		usage_bits |= RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
+	}
+
+	return usage_bits;
+}
+
+RD::DataFormat RenderSceneBuffersRD::get_velocity_format() {
+	return RD::DATA_FORMAT_R16G16_SFLOAT;
+}
+
+uint32_t RenderSceneBuffersRD::get_velocity_usage_bits(bool p_resolve, bool p_msaa, bool p_storage) {
+	return get_color_usage_bits(p_resolve, p_msaa, p_storage);
+}
+
+RD::DataFormat RenderSceneBuffersRD::get_vrs_format() {
+	return RD::get_singleton()->vrs_get_format();
+}
+
+uint32_t RenderSceneBuffersRD::get_vrs_usage_bits() {
+	return RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_VRS_ATTACHMENT_BIT;
+}

servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.h

@@ -0,0 +1,456 @@
+/**************************************************************************/
+/*  render_scene_buffers_rd.h                                             */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#ifdef METAL_ENABLED
+#include "../effects/metal_fx.h"
+#endif
+#include "../effects/vrs.h"
+#include "core/templates/hash_map.h"
+#include "material_storage.h"
+#include "render_buffer_custom_data_rd.h"
+#include "servers/rendering/rendering_device.h"
+#include "servers/rendering/rendering_device_binds.h"
+#include "servers/rendering/storage/render_scene_buffers.h"
+
+#define RB_SCOPE_BUFFERS SNAME("render_buffers")
+#define RB_SCOPE_VRS SNAME("VRS")
+
+#define RB_TEXTURE SNAME("texture")
+#define RB_TEX_COLOR SNAME("color")
+#define RB_TEX_COLOR_MSAA SNAME("color_msaa")
+#define RB_TEX_COLOR_UPSCALED SNAME("color_upscaled")
+#define RB_TEX_DEPTH SNAME("depth")
+#define RB_TEX_DEPTH_MSAA SNAME("depth_msaa")
+#define RB_TEX_VELOCITY SNAME("velocity")
+#define RB_TEX_VELOCITY_MSAA SNAME("velocity_msaa")
+
+#define RB_TEX_BLUR_0 SNAME("blur_0")
+#define RB_TEX_BLUR_1 SNAME("blur_1")
+#define RB_TEX_HALF_BLUR SNAME("half_blur") // only for raster!
+
+#define RB_TEX_BACK_COLOR SNAME("back_color")
+#define RB_TEX_BACK_DEPTH SNAME("back_depth")
+
+class RenderSceneBuffersRD : public RenderSceneBuffers {
+	GDCLASS(RenderSceneBuffersRD, RenderSceneBuffers);
+
+private:
+	bool can_be_storage = true;
+	uint32_t max_cluster_elements = 512;
+	RD::DataFormat base_data_format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
+	RendererRD::VRS *vrs = nullptr;
+	uint64_t auto_exposure_version = 1;
+	RS::ViewportVRSMode vrs_mode = RS::VIEWPORT_VRS_DISABLED;
+
+	// Our render target represents our final destination that we display on screen.
+	RID render_target;
+	Size2i target_size = Size2i(0, 0);
+	uint32_t view_count = 1;
+
+	// The internal size of the textures we render 3D to in case we render at a lower resolution and upscale
+	Size2i internal_size = Size2i(0, 0);
+	RS::ViewportScaling3DMode scaling_3d_mode = RS::VIEWPORT_SCALING_3D_MODE_OFF;
+	float fsr_sharpness = 0.2f;
+	float texture_mipmap_bias = 0.0f;
+	RS::ViewportAnisotropicFiltering anisotropic_filtering_level = RS::VIEWPORT_ANISOTROPY_4X;
+
+#ifdef METAL_ENABLED
+	RendererRD::MFXSpatialContext *mfx_spatial_context = nullptr;
+#endif
+
+	// Aliasing settings
+	RS::ViewportMSAA msaa_3d = RS::VIEWPORT_MSAA_DISABLED;
+	RS::ViewportScreenSpaceAA screen_space_aa = RS::VIEWPORT_SCREEN_SPACE_AA_DISABLED;
+	bool use_taa = false;
+	bool use_debanding = false;
+	RD::TextureSamples texture_samples = RD::TEXTURE_SAMPLES_1;
+
+	// Named Textures
+
+	struct NTKey {
+		StringName context;
+		StringName buffer_name;
+
+		bool operator==(const NTKey &p_val) const {
+			return (context == p_val.context) && (buffer_name == p_val.buffer_name);
+		}
+
+		static uint32_t hash(const NTKey &p_val) {
+			uint32_t h = p_val.context.hash();
+			h = hash_murmur3_one_32(p_val.buffer_name.hash(), h);
+			return hash_fmix32(h);
+		}
+
+		NTKey() {}
+		NTKey(const StringName &p_context, const StringName &p_texture_name) {
+			context = p_context;
+			buffer_name = p_texture_name;
+		}
+	};
+
+	struct NTSliceKey {
+		uint32_t layer;
+		uint32_t layers;
+		uint32_t mipmap;
+		uint32_t mipmaps;
+		RD::TextureView texture_view;
+
+		bool operator==(const NTSliceKey &p_val) const {
+			return (layer == p_val.layer) && (layers == p_val.layers) && (mipmap == p_val.mipmap) && (mipmaps == p_val.mipmaps) && (texture_view == p_val.texture_view);
+		}
+
+		static uint32_t hash(const NTSliceKey &p_val) {
+			uint32_t h = hash_murmur3_one_32(p_val.layer);
+			h = hash_murmur3_one_32(p_val.layers, h);
+			h = hash_murmur3_one_32(p_val.mipmap, h);
+			h = hash_murmur3_one_32(p_val.mipmaps, h);
+			h = hash_murmur3_one_32(p_val.texture_view.format_override, h);
+			h = hash_murmur3_one_32(p_val.texture_view.swizzle_r, h);
+			h = hash_murmur3_one_32(p_val.texture_view.swizzle_g, h);
+			h = hash_murmur3_one_32(p_val.texture_view.swizzle_b, h);
+			h = hash_murmur3_one_32(p_val.texture_view.swizzle_a, h);
+			return hash_fmix32(h);
+		}
+
+		NTSliceKey() {}
+		NTSliceKey(uint32_t p_layer, uint32_t p_layers, uint32_t p_mipmap, uint32_t p_mipmaps, RD::TextureView p_texture_view) {
+			layer = p_layer;
+			layers = p_layers;
+			mipmap = p_mipmap;
+			mipmaps = p_mipmaps;
+			texture_view = p_texture_view;
+		}
+	};
+
+	struct NamedTexture {
+		// Cache the data used to create our texture
+		RD::TextureFormat format;
+		bool is_unique; // If marked as unique, we return it into our pool
+
+		// Our texture objects, slices are lazy (i.e. only created when requested).
+		RID texture;
+		mutable HashMap<NTSliceKey, RID, NTSliceKey> slices;
+		Vector<Size2i> sizes;
+	};
+
+	mutable HashMap<NTKey, NamedTexture, NTKey> named_textures;
+	void update_sizes(NamedTexture &p_named_texture);
+	void free_named_texture(NamedTexture &p_named_texture);
+
+	// Data buffers
+	mutable HashMap<StringName, Ref<RenderBufferCustomDataRD>> data_buffers;
+
+	// Samplers.
+	RendererRD::MaterialStorage::Samplers samplers;
+
+	void update_samplers();
+
+protected:
+	static void _bind_methods();
+
+public:
+	RenderSceneBuffersRD();
+	virtual ~RenderSceneBuffersRD();
+
+	// info from our renderer
+	void set_can_be_storage(const bool p_can_be_storage) { can_be_storage = p_can_be_storage; }
+	bool get_can_be_storage() const { return can_be_storage; }
+	void set_max_cluster_elements(const uint32_t p_max_elements) { max_cluster_elements = p_max_elements; }
+	uint32_t get_max_cluster_elements() { return max_cluster_elements; }
+	void set_base_data_format(const RD::DataFormat p_base_data_format) { base_data_format = p_base_data_format; }
+	RD::DataFormat get_base_data_format() const { return base_data_format; }
+	void set_vrs(RendererRD::VRS *p_vrs) { vrs = p_vrs; }
+	RS::ViewportVRSMode get_vrs_mode() { return vrs_mode; }
+
+	void cleanup();
+	virtual void configure(const RenderSceneBuffersConfiguration *p_config) override;
+	void configure_for_reflections(const Size2i p_reflection_size);
+	virtual void set_fsr_sharpness(float p_fsr_sharpness) override;
+	virtual void set_texture_mipmap_bias(float p_texture_mipmap_bias) override;
+	virtual void set_anisotropic_filtering_level(RS::ViewportAnisotropicFiltering p_anisotropic_filtering_level) override;
+	virtual void set_use_debanding(bool p_use_debanding) override;
+
+#ifdef METAL_ENABLED
+	void ensure_mfx(RendererRD::MFXSpatialEffect *p_effect);
+	_FORCE_INLINE_ RendererRD::MFXSpatialContext *get_mfx_spatial_context() const { return mfx_spatial_context; }
+#endif
+
+	// Named Textures
+
+	bool has_texture(const StringName &p_context, const StringName &p_texture_name) const;
+	RID create_texture(const StringName &p_context, const StringName &p_texture_name, const RD::DataFormat p_data_format, const uint32_t p_usage_bits, const RD::TextureSamples p_texture_samples = RD::TEXTURE_SAMPLES_1, const Size2i p_size = Size2i(0, 0), const uint32_t p_layers = 0, const uint32_t p_mipmaps = 1, bool p_unique = true, bool p_discardable = false);
+	RID create_texture_from_format(const StringName &p_context, const StringName &p_texture_name, const RD::TextureFormat &p_texture_format, RD::TextureView p_view = RD::TextureView(), bool p_unique = true);
+	RID create_texture_view(const StringName &p_context, const StringName &p_texture_name, const StringName &p_view_name, RD::TextureView p_view = RD::TextureView());
+	RID get_texture(const StringName &p_context, const StringName &p_texture_name) const;
+	const RD::TextureFormat get_texture_format(const StringName &p_context, const StringName &p_texture_name) const;
+	RID get_texture_slice(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_layer, const uint32_t p_mipmap, const uint32_t p_layers = 1, const uint32_t p_mipmaps = 1);
+	RID get_texture_slice_view(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_layer, const uint32_t p_mipmap, const uint32_t p_layers = 1, const uint32_t p_mipmaps = 1, RD::TextureView p_view = RD::TextureView());
+	Size2i get_texture_slice_size(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_mipmap);
+
+	void clear_context(const StringName &p_context);
+
+	// Allocate shared buffers
+	void allocate_blur_textures();
+
+	// Custom data
+	bool has_custom_data(const StringName &p_name);
+	void set_custom_data(const StringName &p_name, Ref<RenderBufferCustomDataRD> p_data);
+	Ref<RenderBufferCustomDataRD> get_custom_data(const StringName &p_name) const;
+
+	// Getters
+
+	_FORCE_INLINE_ RID get_render_target() const { return render_target; }
+	_FORCE_INLINE_ uint32_t get_view_count() const { return view_count; }
+	_FORCE_INLINE_ Size2i get_internal_size() const { return internal_size; }
+	_FORCE_INLINE_ Size2i get_target_size() const { return target_size; }
+	_FORCE_INLINE_ RS::ViewportScaling3DMode get_scaling_3d_mode() const { return scaling_3d_mode; }
+	_FORCE_INLINE_ float get_fsr_sharpness() const { return fsr_sharpness; }
+	_FORCE_INLINE_ RS::ViewportMSAA get_msaa_3d() const { return msaa_3d; }
+	_FORCE_INLINE_ RD::TextureSamples get_texture_samples() const { return texture_samples; }
+	_FORCE_INLINE_ RS::ViewportScreenSpaceAA get_screen_space_aa() const { return screen_space_aa; }
+	_FORCE_INLINE_ bool get_use_taa() const { return use_taa; }
+	_FORCE_INLINE_ bool get_use_debanding() const { return use_debanding; }
+
+	uint64_t get_auto_exposure_version() const { return auto_exposure_version; }
+	void set_auto_exposure_version(const uint64_t p_auto_exposure_version) { auto_exposure_version = p_auto_exposure_version; }
+
+	// For our internal textures we provide some easy access methods.
+
+	_FORCE_INLINE_ bool has_internal_texture() const {
+		return has_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR);
+	}
+	_FORCE_INLINE_ RID get_internal_texture() const {
+		return get_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR);
+	}
+	_FORCE_INLINE_ RID get_internal_texture(const uint32_t p_layer) {
+		return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_COLOR, p_layer, 0);
+	}
+	_FORCE_INLINE_ RID get_internal_texture_reactive(const uint32_t p_layer) {
+		RD::TextureView alpha_only_view;
+		alpha_only_view.swizzle_r = RD::TEXTURE_SWIZZLE_A;
+		alpha_only_view.swizzle_g = RD::TEXTURE_SWIZZLE_A;
+		alpha_only_view.swizzle_b = RD::TEXTURE_SWIZZLE_A;
+		alpha_only_view.swizzle_a = RD::TEXTURE_SWIZZLE_A;
+		return get_texture_slice_view(RB_SCOPE_BUFFERS, RB_TEX_COLOR, p_layer, 0, 1, 1, alpha_only_view);
+	}
+	_FORCE_INLINE_ RID get_color_msaa() const {
+		return get_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA);
+	}
+	_FORCE_INLINE_ RID get_color_msaa(uint32_t p_layer) {
+		return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA, p_layer, 0);
+	}
+
+	bool has_depth_texture();
+	RID get_depth_texture();
+	RID get_depth_texture(const uint32_t p_layer);
+
+	RID get_depth_msaa() const {
+		return get_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA);
+	}
+	RID get_depth_msaa(uint32_t p_layer) {
+		return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA, p_layer, 0);
+	}
+
+	// back buffer (color)
+	RID get_back_buffer_texture() const {
+		// Prefer returning the dedicated backbuffer color texture if it was created. Return the reused blur texture otherwise.
+		if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_BACK_COLOR)) {
+			return get_texture(RB_SCOPE_BUFFERS, RB_TEX_BACK_COLOR);
+		} else if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_BLUR_0)) {
+			return get_texture(RB_SCOPE_BUFFERS, RB_TEX_BLUR_0);
+		} else {
+			return RID();
+		}
+	}
+
+	// Upscaled.
+	void ensure_upscaled();
+
+	_FORCE_INLINE_ bool has_upscaled_texture() const {
+		return has_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_UPSCALED);
+	}
+	_FORCE_INLINE_ RID get_upscaled_texture() const {
+		return get_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_UPSCALED);
+	}
+	_FORCE_INLINE_ RID get_upscaled_texture(const uint32_t p_layer) {
+		return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_COLOR_UPSCALED, p_layer, 0);
+	}
+
+	// Velocity, currently only used by TAA (Clustered) but we'll be using this in other places soon too.
+
+	void ensure_velocity();
+	bool has_velocity_buffer(bool p_has_msaa);
+	RID get_velocity_buffer(bool p_get_msaa);
+	RID get_velocity_buffer(bool p_get_msaa, uint32_t p_layer);
+
+	RID get_velocity_depth_buffer();
+
+	// Samplers adjusted with the mipmap bias that is best fit for the configuration of these render buffers.
+
+	_FORCE_INLINE_ RendererRD::MaterialStorage::Samplers get_samplers() const {
+		return samplers;
+	}
+
+	_FORCE_INLINE_ static RD::TextureSamples msaa_to_samples(RS::ViewportMSAA p_msaa) {
+		switch (p_msaa) {
+			case RS::VIEWPORT_MSAA_DISABLED:
+				return RD::TEXTURE_SAMPLES_1;
+			case RS::VIEWPORT_MSAA_2X:
+				return RD::TEXTURE_SAMPLES_2;
+			case RS::VIEWPORT_MSAA_4X:
+				return RD::TEXTURE_SAMPLES_4;
+			case RS::VIEWPORT_MSAA_8X:
+				return RD::TEXTURE_SAMPLES_8;
+			default:
+				DEV_ASSERT(false && "Unknown MSAA option.");
+				return RD::TEXTURE_SAMPLES_1;
+		}
+	}
+
+	static uint32_t get_color_usage_bits(bool p_resolve, bool p_msaa, bool p_storage);
+	static RD::DataFormat get_depth_format(bool p_resolve, bool p_msaa, bool p_storage);
+	static uint32_t get_depth_usage_bits(bool p_resolve, bool p_msaa, bool p_storage);
+	static RD::DataFormat get_velocity_format();
+	static uint32_t get_velocity_usage_bits(bool p_resolve, bool p_msaa, bool p_storage);
+	static RD::DataFormat get_vrs_format();
+	static uint32_t get_vrs_usage_bits();
+
+private:
+	////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// Our classDB doesn't support calling our normal exposed functions
+
+	RID _create_texture_from_format(const StringName &p_context, const StringName &p_texture_name, const Ref<RDTextureFormat> &p_texture_format, const Ref<RDTextureView> &p_view = Ref<RDTextureView>(), bool p_unique = true);
+	RID _create_texture_view(const StringName &p_context, const StringName &p_texture_name, const StringName &p_view_name, const Ref<RDTextureView> p_view = Ref<RDTextureView>());
+	Ref<RDTextureFormat> _get_texture_format(const StringName &p_context, const StringName &p_texture_name) const;
+	RID _get_texture_slice_view(const StringName &p_context, const StringName &p_texture_name, const uint32_t p_layer, const uint32_t p_mipmap, const uint32_t p_layers = 1, const uint32_t p_mipmaps = 1, const Ref<RDTextureView> p_view = Ref<RDTextureView>());
+
+	// For color and depth as exposed to extensions:
+	// - we need separately named functions to access the layer,
+	// - we don't output an error for missing buffers but just return an empty RID.
+	RID _get_color_texture(bool p_msaa = false) {
+		if (p_msaa) {
+			if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA)) {
+				return get_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA);
+			} else {
+				return RID();
+			}
+		} else if (has_internal_texture()) {
+			return get_internal_texture();
+		} else {
+			return RID();
+		}
+	}
+
+	RID _get_color_layer(const uint32_t p_layer, bool p_msaa = false) {
+		if (p_msaa) {
+			if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA)) {
+				return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_COLOR_MSAA, p_layer, 0);
+			} else {
+				return RID();
+			}
+		} else if (has_internal_texture()) {
+			return get_internal_texture(p_layer);
+		} else {
+			return RID();
+		}
+	}
+
+	RID _get_depth_texture(bool p_msaa = false) {
+		if (p_msaa) {
+			if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA)) {
+				return get_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA);
+			} else {
+				return RID();
+			}
+		} else if (has_depth_texture()) {
+			return get_depth_texture();
+		} else {
+			return RID();
+		}
+	}
+
+	RID _get_depth_layer(const uint32_t p_layer, bool p_msaa = false) {
+		if (p_msaa) {
+			if (has_texture(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA)) {
+				return get_texture_slice(RB_SCOPE_BUFFERS, RB_TEX_DEPTH_MSAA, p_layer, 0);
+			} else {
+				return RID();
+			}
+		} else if (has_depth_texture()) {
+			return get_depth_texture(p_layer);
+		} else {
+			return RID();
+		}
+	}
+
+	RID _get_velocity_texture(bool p_msaa = false) {
+		if (has_velocity_buffer(p_msaa)) {
+			return get_velocity_buffer(p_msaa);
+		} else {
+			return RID();
+		}
+	}
+
+	RID _get_velocity_layer(const uint32_t p_layer, bool p_msaa = false) {
+		if (has_velocity_buffer(p_msaa)) {
+			return get_velocity_buffer(p_msaa, p_layer);
+		} else {
+			return RID();
+		}
+	}
+
+#ifndef DISABLE_DEPRECATED
+
+	RID _get_color_texture_compat_80214();
+	RID _get_color_layer_compat_80214(const uint32_t p_layer);
+	RID _get_depth_texture_compat_80214();
+	RID _get_depth_layer_compat_80214(const uint32_t p_layer);
+	RID _get_velocity_texture_compat_80214();
+	RID _get_velocity_layer_compat_80214(const uint32_t p_layer);
+
+	RID _create_texture_bind_compat_98670(const StringName &p_context, const StringName &p_texture_name, const RD::DataFormat p_data_format, const uint32_t p_usage_bits, const RD::TextureSamples p_texture_samples, const Size2i p_size, const uint32_t p_layers, const uint32_t p_mipmaps, bool p_unique);
+
+	static void _bind_compatibility_methods();
+
+#endif // DISABLE_DEPRECATED
+
+	////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// Everything after this needs to be re-evaluated, this is all old implementation
+public:
+	struct WeightBuffers {
+		RID weight;
+		RID fb; // FB with both texture and weight writing into one level lower
+	};
+
+	// 2 full size, 2 half size
+	WeightBuffers weight_buffers[4]; // Only used in raster
+};

servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp

@@ -0,0 +1,294 @@
+/**************************************************************************/
+/*  render_scene_data_rd.cpp                                              */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "render_scene_data_rd.h"
+#include "servers/rendering/renderer_rd/renderer_scene_render_rd.h"
+#include "servers/rendering/renderer_rd/storage_rd/light_storage.h"
+#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h"
+
+Transform3D RenderSceneDataRD::get_cam_transform() const {
+	return cam_transform;
+}
+
+Projection RenderSceneDataRD::get_cam_projection() const {
+	Projection correction;
+	correction.set_depth_correction(flip_y);
+	correction.add_jitter_offset(taa_jitter);
+
+	return correction * cam_projection;
+}
+
+uint32_t RenderSceneDataRD::get_view_count() const {
+	return view_count;
+}
+
+Vector3 RenderSceneDataRD::get_view_eye_offset(uint32_t p_view) const {
+	ERR_FAIL_UNSIGNED_INDEX_V(p_view, view_count, Vector3());
+
+	return view_eye_offset[p_view];
+}
+
+Projection RenderSceneDataRD::get_view_projection(uint32_t p_view) const {
+	ERR_FAIL_UNSIGNED_INDEX_V(p_view, view_count, Projection());
+
+	Projection correction;
+	correction.set_depth_correction(flip_y);
+	correction.add_jitter_offset(taa_jitter);
+
+	return correction * view_projection[p_view];
+}
+
+RID RenderSceneDataRD::create_uniform_buffer() {
+	return RD::get_singleton()->uniform_buffer_create(sizeof(UBODATA));
+}
+
+void RenderSceneDataRD::update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p_debug_mode, RID p_env, RID p_reflection_probe_instance, RID p_camera_attributes, bool p_pancake_shadows, const Size2i &p_screen_size, const Color &p_default_bg_color, float p_luminance_multiplier, bool p_opaque_render_buffers, bool p_apply_alpha_multiplier) {
+	RendererSceneRenderRD *render_scene_render = RendererSceneRenderRD::get_singleton();
+
+	UBODATA ubo_data;
+	memset(&ubo_data, 0, sizeof(UBODATA));
+
+	// just for easy access..
+	UBO &ubo = ubo_data.ubo;
+	UBO &prev_ubo = ubo_data.prev_ubo;
+
+	Projection correction;
+	correction.set_depth_correction(flip_y);
+	correction.add_jitter_offset(taa_jitter);
+	Projection projection = correction * cam_projection;
+
+	//store camera into ubo
+	RendererRD::MaterialStorage::store_camera(projection, ubo.projection_matrix);
+	RendererRD::MaterialStorage::store_camera(projection.inverse(), ubo.inv_projection_matrix);
+	RendererRD::MaterialStorage::store_transform(cam_transform, ubo.inv_view_matrix);
+	RendererRD::MaterialStorage::store_transform(cam_transform.affine_inverse(), ubo.view_matrix);
+
+#ifdef REAL_T_IS_DOUBLE
+	RendererRD::MaterialStorage::split_double(-cam_transform.origin.x, &ubo.inv_view_matrix[12], &ubo.inv_view_matrix[3]);
+	RendererRD::MaterialStorage::split_double(-cam_transform.origin.y, &ubo.inv_view_matrix[13], &ubo.inv_view_matrix[7]);
+	RendererRD::MaterialStorage::split_double(-cam_transform.origin.z, &ubo.inv_view_matrix[14], &ubo.inv_view_matrix[11]);
+#endif
+
+	for (uint32_t v = 0; v < view_count; v++) {
+		projection = correction * view_projection[v];
+		RendererRD::MaterialStorage::store_camera(projection, ubo.projection_matrix_view[v]);
+		RendererRD::MaterialStorage::store_camera(projection.inverse(), ubo.inv_projection_matrix_view[v]);
+
+		ubo.eye_offset[v][0] = view_eye_offset[v].x;
+		ubo.eye_offset[v][1] = view_eye_offset[v].y;
+		ubo.eye_offset[v][2] = view_eye_offset[v].z;
+		ubo.eye_offset[v][3] = 0.0;
+	}
+
+	RendererRD::MaterialStorage::store_transform(main_cam_transform, ubo.main_cam_inv_view_matrix);
+
+	ubo.taa_jitter[0] = taa_jitter.x;
+	ubo.taa_jitter[1] = taa_jitter.y;
+	ubo.taa_frame_count = taa_frame_count;
+
+	ubo.z_far = z_far;
+	ubo.z_near = z_near;
+
+	ubo.flags = 0;
+
+	ubo.flags |= p_pancake_shadows ? SCENE_DATA_FLAGS_USE_PANCAKE_SHADOWS : 0;
+
+	RendererRD::MaterialStorage::store_soft_shadow_kernel(render_scene_render->directional_penumbra_shadow_kernel_get(), ubo.directional_penumbra_shadow_kernel);
+	RendererRD::MaterialStorage::store_soft_shadow_kernel(render_scene_render->directional_soft_shadow_kernel_get(), ubo.directional_soft_shadow_kernel);
+	RendererRD::MaterialStorage::store_soft_shadow_kernel(render_scene_render->penumbra_shadow_kernel_get(), ubo.penumbra_shadow_kernel);
+	RendererRD::MaterialStorage::store_soft_shadow_kernel(render_scene_render->soft_shadow_kernel_get(), ubo.soft_shadow_kernel);
+	ubo.camera_visible_layers = camera_visible_layers;
+	ubo.pass_alpha_multiplier = p_opaque_render_buffers && p_apply_alpha_multiplier ? 0.0f : 1.0f;
+
+	ubo.viewport_size[0] = p_screen_size.x;
+	ubo.viewport_size[1] = p_screen_size.y;
+
+	Size2 screen_pixel_size = Vector2(1.0, 1.0) / Size2(p_screen_size);
+	ubo.screen_pixel_size[0] = screen_pixel_size.x;
+	ubo.screen_pixel_size[1] = screen_pixel_size.y;
+
+	ubo.shadow_atlas_pixel_size[0] = shadow_atlas_pixel_size.x;
+	ubo.shadow_atlas_pixel_size[1] = shadow_atlas_pixel_size.y;
+
+	ubo.directional_shadow_pixel_size[0] = directional_shadow_pixel_size.x;
+	ubo.directional_shadow_pixel_size[1] = directional_shadow_pixel_size.y;
+
+	ubo.time = time;
+
+	ubo.directional_light_count = directional_light_count;
+	ubo.dual_paraboloid_side = dual_paraboloid_side;
+	ubo.opaque_prepass_threshold = opaque_prepass_threshold;
+	ubo.flags |= material_uv2_mode ? SCENE_DATA_FLAGS_USE_UV2_MATERIAL : 0;
+	ubo.flags |= shadow_pass ? SCENE_DATA_FLAGS_IN_SHADOW_PASS : 0;
+
+	if (p_debug_mode == RS::VIEWPORT_DEBUG_DRAW_UNSHADED) {
+		ubo.flags |= SCENE_DATA_FLAGS_USE_AMBIENT_LIGHT;
+		ubo.ambient_light_color_energy[0] = 1;
+		ubo.ambient_light_color_energy[1] = 1;
+		ubo.ambient_light_color_energy[2] = 1;
+		ubo.ambient_light_color_energy[3] = 1.0;
+	} else if (p_env.is_valid()) {
+		RS::EnvironmentBG env_bg = render_scene_render->environment_get_background(p_env);
+		RS::EnvironmentAmbientSource ambient_src = render_scene_render->environment_get_ambient_source(p_env);
+
+		float bg_energy_multiplier = render_scene_render->environment_get_bg_energy_multiplier(p_env);
+
+		ubo.ambient_light_color_energy[3] = bg_energy_multiplier;
+
+		ubo.ambient_color_sky_mix = render_scene_render->environment_get_ambient_sky_contribution(p_env);
+
+		//ambient
+		if (ambient_src == RS::ENV_AMBIENT_SOURCE_BG && (env_bg == RS::ENV_BG_CLEAR_COLOR || env_bg == RS::ENV_BG_COLOR)) {
+			Color color = env_bg == RS::ENV_BG_CLEAR_COLOR ? p_default_bg_color : render_scene_render->environment_get_bg_color(p_env);
+			color = color.srgb_to_linear();
+
+			ubo.ambient_light_color_energy[0] = color.r * bg_energy_multiplier;
+			ubo.ambient_light_color_energy[1] = color.g * bg_energy_multiplier;
+			ubo.ambient_light_color_energy[2] = color.b * bg_energy_multiplier;
+			ubo.flags |= SCENE_DATA_FLAGS_USE_AMBIENT_LIGHT;
+		} else {
+			float energy = render_scene_render->environment_get_ambient_light_energy(p_env);
+			Color color = render_scene_render->environment_get_ambient_light(p_env);
+			color = color.srgb_to_linear();
+			ubo.ambient_light_color_energy[0] = color.r * energy;
+			ubo.ambient_light_color_energy[1] = color.g * energy;
+			ubo.ambient_light_color_energy[2] = color.b * energy;
+
+			bool use_ambient_cubemap = (ambient_src == RS::ENV_AMBIENT_SOURCE_BG && env_bg == RS::ENV_BG_SKY) || ambient_src == RS::ENV_AMBIENT_SOURCE_SKY;
+			bool use_ambient_light = use_ambient_cubemap || ambient_src == RS::ENV_AMBIENT_SOURCE_COLOR;
+			ubo.flags |= use_ambient_cubemap ? SCENE_DATA_FLAGS_USE_AMBIENT_CUBEMAP : 0;
+			ubo.flags |= use_ambient_light ? SCENE_DATA_FLAGS_USE_AMBIENT_LIGHT : 0;
+		}
+
+		//specular
+		RS::EnvironmentReflectionSource ref_src = render_scene_render->environment_get_reflection_source(p_env);
+		if ((ref_src == RS::ENV_REFLECTION_SOURCE_BG && env_bg == RS::ENV_BG_SKY) || ref_src == RS::ENV_REFLECTION_SOURCE_SKY) {
+			ubo.flags |= SCENE_DATA_FLAGS_USE_REFLECTION_CUBEMAP;
+		}
+
+		if ((ubo.flags & SCENE_DATA_FLAGS_USE_AMBIENT_CUBEMAP) || (ubo.flags & SCENE_DATA_FLAGS_USE_REFLECTION_CUBEMAP)) {
+			Basis sky_transform = render_scene_render->environment_get_sky_orientation(p_env);
+			sky_transform = sky_transform.inverse() * cam_transform.basis;
+			RendererRD::MaterialStorage::store_transform_3x3(sky_transform, ubo.radiance_inverse_xform);
+		}
+
+		ubo.flags |= render_scene_render->environment_get_fog_enabled(p_env) ? SCENE_DATA_FLAGS_USE_FOG : 0;
+		ubo.fog_density = render_scene_render->environment_get_fog_density(p_env);
+		ubo.fog_height = render_scene_render->environment_get_fog_height(p_env);
+		ubo.fog_height_density = render_scene_render->environment_get_fog_height_density(p_env);
+		ubo.fog_aerial_perspective = render_scene_render->environment_get_fog_aerial_perspective(p_env);
+
+		ubo.fog_depth_curve = render_scene_render->environment_get_fog_depth_curve(p_env);
+		ubo.fog_depth_end = render_scene_render->environment_get_fog_depth_end(p_env) > 0.0 ? render_scene_render->environment_get_fog_depth_end(p_env) : ubo.z_far;
+		ubo.fog_depth_begin = MIN(render_scene_render->environment_get_fog_depth_begin(p_env), ubo.fog_depth_end - 0.001);
+
+		Color fog_color = render_scene_render->environment_get_fog_light_color(p_env).srgb_to_linear();
+		float fog_energy = render_scene_render->environment_get_fog_light_energy(p_env);
+
+		ubo.fog_light_color[0] = fog_color.r * fog_energy;
+		ubo.fog_light_color[1] = fog_color.g * fog_energy;
+		ubo.fog_light_color[2] = fog_color.b * fog_energy;
+
+		ubo.fog_sun_scatter = render_scene_render->environment_get_fog_sun_scatter(p_env);
+	} else {
+		if (!(p_reflection_probe_instance.is_valid() && RendererRD::LightStorage::get_singleton()->reflection_probe_is_interior(p_reflection_probe_instance))) {
+			ubo.flags |= SCENE_DATA_FLAGS_USE_AMBIENT_LIGHT;
+			Color clear_color = p_default_bg_color;
+			clear_color = clear_color.srgb_to_linear();
+			ubo.ambient_light_color_energy[0] = clear_color.r;
+			ubo.ambient_light_color_energy[1] = clear_color.g;
+			ubo.ambient_light_color_energy[2] = clear_color.b;
+			ubo.ambient_light_color_energy[3] = 1.0;
+		}
+	}
+
+	if (p_camera_attributes.is_valid()) {
+		ubo.emissive_exposure_normalization = RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_camera_attributes);
+		ubo.IBL_exposure_normalization = 1.0;
+		if (p_env.is_valid()) {
+			RID sky_rid = render_scene_render->environment_get_sky(p_env);
+			if (sky_rid.is_valid()) {
+				float current_exposure = RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_camera_attributes) * render_scene_render->environment_get_bg_intensity(p_env) / p_luminance_multiplier;
+				ubo.IBL_exposure_normalization = current_exposure / MAX(0.001, render_scene_render->get_sky()->sky_get_baked_exposure(sky_rid));
+			}
+		}
+	} else if (emissive_exposure_normalization > 0.0) {
+		// This branch is triggered when using render_material().
+		// Emissive is set outside the function.
+		ubo.emissive_exposure_normalization = emissive_exposure_normalization;
+		// IBL isn't used don't set it.
+	} else {
+		ubo.emissive_exposure_normalization = 1.0;
+		ubo.IBL_exposure_normalization = 1.0;
+	}
+
+	bool roughness_limiter_enabled = p_opaque_render_buffers && render_scene_render->screen_space_roughness_limiter_is_active();
+	ubo.flags |= roughness_limiter_enabled ? SCENE_DATA_FLAGS_USE_ROUGHNESS_LIMITER : 0;
+	ubo.roughness_limiter_amount = render_scene_render->screen_space_roughness_limiter_get_amount();
+	ubo.roughness_limiter_limit = render_scene_render->screen_space_roughness_limiter_get_limit();
+
+	if (calculate_motion_vectors) {
+		// Q : Should we make a complete copy or should we define a separate UBO with just the components we need?
+		memcpy(&prev_ubo, &ubo, sizeof(UBO));
+
+		Projection prev_correction;
+		prev_correction.set_depth_correction(true);
+		prev_correction.add_jitter_offset(prev_taa_jitter);
+		Projection prev_projection = prev_correction * prev_cam_projection;
+
+		//store camera into ubo
+		RendererRD::MaterialStorage::store_camera(prev_projection, prev_ubo.projection_matrix);
+		RendererRD::MaterialStorage::store_camera(prev_projection.inverse(), prev_ubo.inv_projection_matrix);
+		RendererRD::MaterialStorage::store_transform(prev_cam_transform, prev_ubo.inv_view_matrix);
+		RendererRD::MaterialStorage::store_transform(prev_cam_transform.affine_inverse(), prev_ubo.view_matrix);
+
+#ifdef REAL_T_IS_DOUBLE
+		RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.x, &prev_ubo.inv_view_matrix[12], &prev_ubo.inv_view_matrix[3]);
+		RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.y, &prev_ubo.inv_view_matrix[13], &prev_ubo.inv_view_matrix[7]);
+		RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.z, &prev_ubo.inv_view_matrix[14], &prev_ubo.inv_view_matrix[11]);
+#endif
+
+		for (uint32_t v = 0; v < view_count; v++) {
+			prev_projection = prev_correction * view_projection[v];
+			RendererRD::MaterialStorage::store_camera(prev_projection, prev_ubo.projection_matrix_view[v]);
+			RendererRD::MaterialStorage::store_camera(prev_projection.inverse(), prev_ubo.inv_projection_matrix_view[v]);
+		}
+		prev_ubo.taa_jitter[0] = prev_taa_jitter.x;
+		prev_ubo.taa_jitter[1] = prev_taa_jitter.y;
+		prev_ubo.time -= time_step;
+	}
+
+	uniform_buffer = p_uniform_buffer;
+	RD::get_singleton()->buffer_update(uniform_buffer, 0, sizeof(UBODATA), &ubo);
+}
+
+RID RenderSceneDataRD::get_uniform_buffer() const {
+	return uniform_buffer;
+}

servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.h

@@ -0,0 +1,177 @@
+/**************************************************************************/
+/*  render_scene_data_rd.h                                                */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "servers/rendering/renderer_scene_render.h"
+#include "servers/rendering/storage/render_scene_data.h"
+
+// This is a container for data related to rendering a single frame of a viewport where we load this data into a UBO
+// that can be used by the main scene shader but also by various effects.
+
+class RenderSceneDataRD : public RenderSceneData {
+	GDCLASS(RenderSceneDataRD, RenderSceneData);
+
+public:
+	bool calculate_motion_vectors = false;
+
+	Transform3D cam_transform;
+	Projection cam_projection;
+	Vector2 taa_jitter;
+	float taa_frame_count = 0.0f;
+	uint32_t camera_visible_layers;
+	bool cam_orthogonal = false;
+	bool cam_frustum = false;
+	bool flip_y = false;
+
+	// For billboards to cast correct shadows.
+	Transform3D main_cam_transform;
+
+	// For stereo rendering
+	uint32_t view_count = 1;
+	Vector3 view_eye_offset[RendererSceneRender::MAX_RENDER_VIEWS];
+	Projection view_projection[RendererSceneRender::MAX_RENDER_VIEWS];
+
+	Transform3D prev_cam_transform;
+	Projection prev_cam_projection;
+	Vector2 prev_taa_jitter;
+	Projection prev_view_projection[RendererSceneRender::MAX_RENDER_VIEWS];
+
+	float z_near = 0.0;
+	float z_far = 0.0;
+
+	float lod_distance_multiplier = 0.0;
+	float screen_mesh_lod_threshold = 0.0;
+
+	uint32_t directional_light_count = 0;
+	float dual_paraboloid_side = 0.0;
+	float opaque_prepass_threshold = 0.0;
+	bool material_uv2_mode = false;
+	float emissive_exposure_normalization = 0.0;
+	bool shadow_pass = false;
+
+	Size2 shadow_atlas_pixel_size;
+	Size2 directional_shadow_pixel_size;
+
+	float time;
+	float time_step;
+
+	virtual Transform3D get_cam_transform() const override;
+	virtual Projection get_cam_projection() const override;
+
+	virtual uint32_t get_view_count() const override;
+	virtual Vector3 get_view_eye_offset(uint32_t p_view) const override;
+	virtual Projection get_view_projection(uint32_t p_view) const override;
+
+	RID create_uniform_buffer();
+	void update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p_debug_mode, RID p_env, RID p_reflection_probe_instance, RID p_camera_attributes, bool p_pancake_shadows, const Size2i &p_screen_size, const Color &p_default_bg_color, float p_luminance_multiplier, bool p_opaque_render_buffers, bool p_apply_alpha_multiplier);
+	virtual RID get_uniform_buffer() const override;
+
+private:
+	RID uniform_buffer; // loaded into this uniform buffer (supplied externally)
+
+	enum SceneDataFlags {
+		SCENE_DATA_FLAGS_USE_AMBIENT_LIGHT = 1 << 0,
+		SCENE_DATA_FLAGS_USE_AMBIENT_CUBEMAP = 1 << 1,
+		SCENE_DATA_FLAGS_USE_REFLECTION_CUBEMAP = 1 << 2,
+		SCENE_DATA_FLAGS_USE_ROUGHNESS_LIMITER = 1 << 3,
+		SCENE_DATA_FLAGS_USE_FOG = 1 << 4,
+		SCENE_DATA_FLAGS_USE_UV2_MATERIAL = 1 << 5,
+		SCENE_DATA_FLAGS_USE_PANCAKE_SHADOWS = 1 << 6,
+		SCENE_DATA_FLAGS_IN_SHADOW_PASS = 1 << 7, // Only used by Forward+ renderer.
+		SCENE_DATA_FLAGS_MAX
+	};
+
+	// This struct is loaded into Set 1 - Binding 0, populated at start of rendering a frame, must match with shader code
+	struct UBO {
+		float projection_matrix[16];
+		float inv_projection_matrix[16];
+		float inv_view_matrix[16];
+		float view_matrix[16];
+
+		float projection_matrix_view[RendererSceneRender::MAX_RENDER_VIEWS][16];
+		float inv_projection_matrix_view[RendererSceneRender::MAX_RENDER_VIEWS][16];
+		float eye_offset[RendererSceneRender::MAX_RENDER_VIEWS][4];
+
+		float main_cam_inv_view_matrix[16];
+
+		float viewport_size[2];
+		float screen_pixel_size[2];
+
+		float directional_penumbra_shadow_kernel[128]; //32 vec4s
+		float directional_soft_shadow_kernel[128];
+		float penumbra_shadow_kernel[128];
+		float soft_shadow_kernel[128];
+
+		float shadow_atlas_pixel_size[2];
+		float directional_shadow_pixel_size[2];
+
+		uint32_t directional_light_count;
+		float dual_paraboloid_side;
+		float z_far;
+		float z_near;
+
+		float roughness_limiter_amount;
+		float roughness_limiter_limit;
+		float opaque_prepass_threshold;
+		uint32_t flags;
+
+		float radiance_inverse_xform[12];
+
+		float ambient_light_color_energy[4];
+
+		float ambient_color_sky_mix;
+		float fog_density;
+		float fog_height;
+		float fog_height_density;
+
+		float fog_depth_curve;
+		float fog_depth_begin;
+		float fog_depth_end;
+		float fog_sun_scatter;
+
+		float fog_light_color[3];
+		float fog_aerial_perspective;
+
+		float time;
+		float taa_frame_count; // Used to add break up samples over multiple frames. Value is an integer from 0 to taa_phase_count -1.
+		float taa_jitter[2];
+
+		float emissive_exposure_normalization; // Needed to normalize emissive when using physical units.
+		float IBL_exposure_normalization; // Adjusts for baked exposure.
+		uint32_t camera_visible_layers;
+		float pass_alpha_multiplier;
+	};
+
+	struct UBODATA {
+		UBO ubo;
+		UBO prev_ubo;
+	};
+};

servers/rendering/renderer_rd/storage_rd/texture_storage.h

@@ -0,0 +1,825 @@
+/**************************************************************************/
+/*  texture_storage.h                                                     */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/templates/paged_array.h"
+#include "core/templates/rid_owner.h"
+#include "servers/rendering/renderer_rd/shaders/canvas_sdf.glsl.gen.h"
+#include "servers/rendering/renderer_rd/storage_rd/forward_id_storage.h"
+#include "servers/rendering/rendering_server_default.h"
+#include "servers/rendering/storage/texture_storage.h"
+#include "servers/rendering/storage/utilities.h"
+
+namespace RendererRD {
+
+class LightStorage;
+class MaterialStorage;
+
+class TextureStorage : public RendererTextureStorage {
+public:
+	enum DefaultRDTexture {
+		DEFAULT_RD_TEXTURE_WHITE,
+		DEFAULT_RD_TEXTURE_BLACK,
+		DEFAULT_RD_TEXTURE_TRANSPARENT,
+		DEFAULT_RD_TEXTURE_NORMAL,
+		DEFAULT_RD_TEXTURE_ANISO,
+		DEFAULT_RD_TEXTURE_DEPTH,
+		DEFAULT_RD_TEXTURE_MULTIMESH_BUFFER,
+		DEFAULT_RD_TEXTURE_CUBEMAP_BLACK,
+		DEFAULT_RD_TEXTURE_CUBEMAP_ARRAY_BLACK,
+		DEFAULT_RD_TEXTURE_CUBEMAP_WHITE,
+		DEFAULT_RD_TEXTURE_CUBEMAP_ARRAY_WHITE,
+		DEFAULT_RD_TEXTURE_3D_WHITE,
+		DEFAULT_RD_TEXTURE_3D_BLACK,
+		DEFAULT_RD_TEXTURE_2D_ARRAY_WHITE,
+		DEFAULT_RD_TEXTURE_2D_ARRAY_BLACK,
+		DEFAULT_RD_TEXTURE_2D_ARRAY_NORMAL,
+		DEFAULT_RD_TEXTURE_2D_ARRAY_DEPTH,
+		DEFAULT_RD_TEXTURE_2D_UINT,
+		DEFAULT_RD_TEXTURE_VRS,
+		DEFAULT_RD_TEXTURE_MAX
+	};
+
+	enum TextureType {
+		TYPE_2D,
+		TYPE_LAYERED,
+		TYPE_3D
+	};
+
+	struct CanvasTextureInfo {
+		RID diffuse;
+		RID normal;
+		RID specular;
+		RID sampler;
+		Size2i size;
+		Color specular_color;
+
+		bool use_normal = false;
+		bool use_specular = false;
+
+		_FORCE_INLINE_ bool is_valid() const { return diffuse.is_valid(); }
+		_FORCE_INLINE_ bool is_null() const { return diffuse.is_null(); }
+	};
+
+	typedef void (*InvalidationCallback)(bool p_deleted, void *p_userdata);
+
+private:
+	friend class LightStorage;
+	friend class MaterialStorage;
+
+	static TextureStorage *singleton;
+
+	RID default_rd_textures[DEFAULT_RD_TEXTURE_MAX];
+
+	/* Canvas Texture API */
+
+	struct CanvasTextureCache {
+		RID diffuse;
+		RID normal;
+		RID specular;
+	};
+
+	class CanvasTexture {
+	public:
+		RID diffuse;
+		RID normal_map;
+		RID specular;
+		Color specular_color = Color(1, 1, 1, 1);
+		float shininess = 1.0;
+
+		RS::CanvasItemTextureFilter texture_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_DEFAULT;
+		RS::CanvasItemTextureRepeat texture_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DEFAULT;
+		CanvasTextureCache info_cache[2];
+
+		InvalidationCallback invalidated_callback = nullptr;
+		void *invalidated_callback_userdata = nullptr;
+
+		Size2i size_cache = Size2i(1, 1);
+		bool use_normal_cache = false;
+		bool use_specular_cache = false;
+
+		void clear_cache();
+		~CanvasTexture();
+	};
+
+	RID_Owner<CanvasTexture, true> canvas_texture_owner;
+
+	/* Texture API */
+
+	struct RenderTarget;
+
+	class Texture {
+	public:
+		TextureType type;
+		RS::TextureLayeredType layered_type = RS::TEXTURE_LAYERED_2D_ARRAY;
+
+		RenderingDevice::TextureType rd_type;
+		RID rd_texture;
+		RID rd_texture_srgb;
+		RenderingDevice::DataFormat rd_format;
+		RenderingDevice::DataFormat rd_format_srgb;
+
+		RD::TextureView rd_view;
+
+		Image::Format format;
+		Image::Format validated_format;
+
+		int width;
+		int height;
+		int depth;
+		int layers;
+		int mipmaps;
+
+		int height_2d;
+		int width_2d;
+
+		struct BufferSlice3D {
+			Size2i size;
+			uint32_t offset = 0;
+			uint32_t buffer_size = 0;
+		};
+		Vector<BufferSlice3D> buffer_slices_3d;
+		uint32_t buffer_size_3d = 0;
+
+		RenderTarget *render_target = nullptr;
+		bool is_render_target;
+		bool is_proxy;
+
+		Ref<Image> image_cache_2d;
+		String path;
+
+		RID proxy_to;
+		Vector<RID> proxies;
+
+		HashSet<RID> lightmap_users;
+
+		RS::TextureDetectCallback detect_3d_callback = nullptr;
+		void *detect_3d_callback_ud = nullptr;
+
+		RS::TextureDetectCallback detect_normal_callback = nullptr;
+		void *detect_normal_callback_ud = nullptr;
+
+		RS::TextureDetectRoughnessCallback detect_roughness_callback = nullptr;
+		void *detect_roughness_callback_ud = nullptr;
+
+		CanvasTexture *canvas_texture = nullptr;
+
+		void cleanup();
+	};
+
+	// Textures can be created from threads, so this RID_Owner is thread safe.
+	mutable RID_Owner<Texture, true> texture_owner;
+	Texture *get_texture(RID p_rid) { return texture_owner.get_or_null(p_rid); }
+
+	struct TextureToRDFormat {
+		RD::DataFormat format;
+		RD::DataFormat format_srgb;
+		RD::TextureSwizzle swizzle_r;
+		RD::TextureSwizzle swizzle_g;
+		RD::TextureSwizzle swizzle_b;
+		RD::TextureSwizzle swizzle_a;
+		TextureToRDFormat() {
+			format = RD::DATA_FORMAT_MAX;
+			format_srgb = RD::DATA_FORMAT_MAX;
+			swizzle_r = RD::TEXTURE_SWIZZLE_R;
+			swizzle_g = RD::TEXTURE_SWIZZLE_G;
+			swizzle_b = RD::TEXTURE_SWIZZLE_B;
+			swizzle_a = RD::TEXTURE_SWIZZLE_A;
+		}
+	};
+
+	Ref<Image> _validate_texture_format(const Ref<Image> &p_image, TextureToRDFormat &r_format);
+	void _texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0, bool p_immediate = false);
+
+	struct TextureFromRDFormat {
+		Image::Format image_format;
+		RD::DataFormat rd_format;
+		RD::DataFormat rd_format_srgb;
+		RD::TextureSwizzle swizzle_r;
+		RD::TextureSwizzle swizzle_g;
+		RD::TextureSwizzle swizzle_b;
+		RD::TextureSwizzle swizzle_a;
+		TextureFromRDFormat() {
+			image_format = Image::FORMAT_MAX;
+			rd_format = RD::DATA_FORMAT_MAX;
+			rd_format_srgb = RD::DATA_FORMAT_MAX;
+			swizzle_r = RD::TEXTURE_SWIZZLE_R;
+			swizzle_g = RD::TEXTURE_SWIZZLE_G;
+			swizzle_b = RD::TEXTURE_SWIZZLE_B;
+			swizzle_a = RD::TEXTURE_SWIZZLE_A;
+		}
+	};
+
+	void _texture_format_from_rd(RD::DataFormat p_rd_format, TextureFromRDFormat &r_format);
+
+	/* DECAL API */
+
+	struct DecalAtlas {
+		struct Texture {
+			int panorama_to_dp_users;
+			int users;
+			Rect2 uv_rect;
+		};
+
+		struct SortItem {
+			RID texture;
+			Size2i pixel_size;
+			Size2i size;
+			Point2i pos;
+
+			bool operator<(const SortItem &p_item) const {
+				//sort larger to smaller
+				if (size.height == p_item.size.height) {
+					return size.width > p_item.size.width;
+				} else {
+					return size.height > p_item.size.height;
+				}
+			}
+		};
+
+		HashMap<RID, Texture> textures;
+		bool dirty = true;
+		int mipmaps = 5;
+
+		RID texture;
+		RID texture_srgb;
+		struct MipMap {
+			RID fb;
+			RID texture;
+			Size2i size;
+		};
+		Vector<MipMap> texture_mipmaps;
+
+		Size2i size;
+	} decal_atlas;
+
+	struct Decal {
+		Vector3 size = Vector3(2, 2, 2);
+		RID textures[RS::DECAL_TEXTURE_MAX];
+		float emission_energy = 1.0;
+		float albedo_mix = 1.0;
+		Color modulate = Color(1, 1, 1, 1);
+		uint32_t cull_mask = (1 << 20) - 1;
+		float upper_fade = 0.3;
+		float lower_fade = 0.3;
+		bool distance_fade = false;
+		float distance_fade_begin = 40.0;
+		float distance_fade_length = 10.0;
+		float normal_fade = 0.0;
+
+		Dependency dependency;
+	};
+
+	mutable RID_Owner<Decal, true> decal_owner;
+
+	/* DECAL INSTANCE */
+
+	struct DecalInstance {
+		RID decal;
+		Transform3D transform;
+		float sorting_offset = 0.0;
+		uint32_t cull_mask = 0;
+		RendererRD::ForwardID forward_id = -1;
+	};
+
+	mutable RID_Owner<DecalInstance> decal_instance_owner;
+
+	/* DECAL DATA (UBO) */
+
+	struct DecalData {
+		float xform[16];
+		float inv_extents[3];
+		float albedo_mix;
+		float albedo_rect[4];
+		float normal_rect[4];
+		float orm_rect[4];
+		float emission_rect[4];
+		float modulate[4];
+		float emission_energy;
+		uint32_t mask;
+		float upper_fade;
+		float lower_fade;
+		float normal_xform[12];
+		float normal[3];
+		float normal_fade;
+	};
+
+	struct DecalInstanceSort {
+		float depth;
+		DecalInstance *decal_instance;
+		Decal *decal;
+		bool operator<(const DecalInstanceSort &p_sort) const {
+			return depth < p_sort.depth;
+		}
+	};
+
+	uint32_t max_decals = 0;
+	uint32_t decal_count = 0;
+	DecalData *decals = nullptr;
+	DecalInstanceSort *decal_sort = nullptr;
+	RID decal_buffer;
+
+	/* RENDER TARGET API */
+
+	struct RenderTarget {
+		Size2i size;
+		uint32_t view_count;
+		RID color;
+		Vector<RID> color_slices;
+		RID color_multisample; // Needed when 2D MSAA is enabled.
+
+		RS::ViewportMSAA msaa = RS::VIEWPORT_MSAA_DISABLED; // 2D MSAA mode
+		bool msaa_needs_resolve = false; // 2D MSAA needs resolved
+
+		//used for retrieving from CPU
+		RD::DataFormat color_format = RD::DATA_FORMAT_R4G4_UNORM_PACK8;
+		RD::DataFormat color_format_srgb = RD::DATA_FORMAT_R4G4_UNORM_PACK8;
+		Image::Format image_format = Image::FORMAT_L8;
+
+		bool is_transparent = false;
+		bool use_hdr = false;
+		bool use_debanding = false;
+
+		bool sdf_enabled = false;
+
+		RID backbuffer; //used for effects
+		RID backbuffer_fb;
+		RID backbuffer_mipmap0;
+
+		Vector<RID> backbuffer_mipmaps;
+
+		RID framebuffer_uniform_set;
+		RID backbuffer_uniform_set;
+
+		RID sdf_buffer_write;
+		RID sdf_buffer_write_fb;
+		RID sdf_buffer_process[2];
+		RID sdf_buffer_read;
+		RID sdf_buffer_process_uniform_sets[2];
+		RS::ViewportSDFOversize sdf_oversize = RS::VIEWPORT_SDF_OVERSIZE_120_PERCENT;
+		RS::ViewportSDFScale sdf_scale = RS::VIEWPORT_SDF_SCALE_50_PERCENT;
+		Size2i process_size;
+
+		// VRS
+		RS::ViewportVRSMode vrs_mode = RS::VIEWPORT_VRS_DISABLED;
+		RS::ViewportVRSUpdateMode vrs_update_mode = RS::VIEWPORT_VRS_UPDATE_ONCE;
+		RID vrs_texture;
+
+		Rect2i render_region;
+
+		// overridden textures
+		struct RTOverridden {
+			RID color;
+			RID depth;
+			RID velocity;
+			RID velocity_depth;
+
+			// In a multiview scenario, which is the most likely where we
+			// override our destination textures, we need to obtain slices
+			// for each layer of these textures.
+			// These are likely changing every frame as we loop through
+			// texture chains hence we add a cache to manage these slices.
+			// For this we define a key using the RID of the texture and
+			// the layer for which we create a slice.
+			struct SliceKey {
+				RID rid;
+				uint32_t layer = 0;
+
+				bool operator==(const SliceKey &p_val) const {
+					return (rid == p_val.rid) && (layer == p_val.layer);
+				}
+
+				static uint32_t hash(const SliceKey &p_val) {
+					uint32_t h = hash_one_uint64(p_val.rid.get_id());
+					h = hash_murmur3_one_32(p_val.layer, h);
+					return hash_fmix32(h);
+				}
+
+				SliceKey() {}
+				SliceKey(RID p_rid, uint32_t p_layer) {
+					rid = p_rid;
+					layer = p_layer;
+				}
+			};
+
+			mutable HashMap<SliceKey, RID, SliceKey> cached_slices;
+		} overridden;
+
+		//texture generated for this owner (nor RD).
+		RID texture;
+		bool was_used;
+
+		//clear request
+		bool clear_requested;
+		Color clear_color;
+
+		RID get_framebuffer();
+	};
+
+	mutable RID_Owner<RenderTarget> render_target_owner;
+	RenderTarget *get_render_target(RID p_rid) const { return render_target_owner.get_or_null(p_rid); }
+
+	void _clear_render_target(RenderTarget *rt);
+	void _update_render_target(RenderTarget *rt);
+	void _create_render_target_backbuffer(RenderTarget *rt);
+	void _render_target_allocate_sdf(RenderTarget *rt);
+	void _render_target_clear_sdf(RenderTarget *rt);
+	Rect2i _render_target_get_sdf_rect(const RenderTarget *rt) const;
+
+	struct RenderTargetSDF {
+		enum {
+			SHADER_LOAD,
+			SHADER_LOAD_SHRINK,
+			SHADER_PROCESS,
+			SHADER_PROCESS_OPTIMIZED,
+			SHADER_STORE,
+			SHADER_STORE_SHRINK,
+			SHADER_MAX
+		};
+
+		struct PushConstant {
+			int32_t size[2];
+			int32_t stride;
+			int32_t shift;
+			int32_t base_size[2];
+			int32_t pad[2];
+		};
+
+		CanvasSdfShaderRD shader;
+		RID shader_version;
+		RID pipelines[SHADER_MAX];
+	} rt_sdf;
+
+public:
+	static TextureStorage *get_singleton();
+
+	_FORCE_INLINE_ RID texture_rd_get_default(DefaultRDTexture p_texture) {
+		return default_rd_textures[p_texture];
+	}
+
+	TextureStorage();
+	virtual ~TextureStorage();
+
+	bool free(RID p_rid);
+
+	/* Canvas Texture API */
+
+	bool owns_canvas_texture(RID p_rid) { return canvas_texture_owner.owns(p_rid); }
+
+	virtual RID canvas_texture_allocate() override;
+	virtual void canvas_texture_initialize(RID p_rid) override;
+	virtual void canvas_texture_free(RID p_rid) override;
+
+	virtual void canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) override;
+	virtual void canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_base_color, float p_shininess) override;
+
+	virtual void canvas_texture_set_texture_filter(RID p_item, RS::CanvasItemTextureFilter p_filter) override;
+	virtual void canvas_texture_set_texture_repeat(RID p_item, RS::CanvasItemTextureRepeat p_repeat) override;
+
+	CanvasTextureInfo canvas_texture_get_info(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat, bool p_use_srgb, bool p_texture_is_data);
+	void canvas_texture_set_invalidation_callback(RID p_canvas_texture, InvalidationCallback p_callback, void *p_userdata);
+
+	/* Texture API */
+
+	bool owns_texture(RID p_rid) const { return texture_owner.owns(p_rid); }
+
+	virtual RID texture_allocate() override;
+	virtual void texture_free(RID p_rid) override;
+
+	virtual void texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) override;
+	virtual void texture_2d_layered_initialize(RID p_texture, const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) override;
+	virtual void texture_3d_initialize(RID p_texture, Image::Format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data) override;
+	virtual void texture_external_initialize(RID p_texture, int p_width, int p_height, uint64_t p_external_buffer) override;
+	virtual void texture_proxy_initialize(RID p_texture, RID p_base) override; //all slices, then all the mipmaps, must be coherent
+
+	virtual RID texture_create_from_native_handle(RS::TextureType p_type, Image::Format p_format, uint64_t p_native_handle, int p_width, int p_height, int p_depth, int p_layers = 1, RS::TextureLayeredType p_layered_type = RS::TEXTURE_LAYERED_2D_ARRAY) override;
+
+	virtual void texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) override;
+	virtual void texture_3d_update(RID p_texture, const Vector<Ref<Image>> &p_data) override;
+	virtual void texture_external_update(RID p_texture, int p_width, int p_height, uint64_t p_external_buffer) override;
+	virtual void texture_proxy_update(RID p_proxy, RID p_base) override;
+
+	Ref<Image> texture_2d_placeholder;
+	Vector<Ref<Image>> texture_2d_array_placeholder;
+	Vector<Ref<Image>> cubemap_placeholder;
+	Vector<Ref<Image>> texture_3d_placeholder;
+
+	//these two APIs can be used together or in combination with the others.
+	virtual void texture_2d_placeholder_initialize(RID p_texture) override;
+	virtual void texture_2d_layered_placeholder_initialize(RID p_texture, RenderingServer::TextureLayeredType p_layered_type) override;
+	virtual void texture_3d_placeholder_initialize(RID p_texture) override;
+
+	virtual Ref<Image> texture_2d_get(RID p_texture) const override;
+	virtual Ref<Image> texture_2d_layer_get(RID p_texture, int p_layer) const override;
+	virtual Vector<Ref<Image>> texture_3d_get(RID p_texture) const override;
+
+	virtual void texture_replace(RID p_texture, RID p_by_texture) override;
+	virtual void texture_set_size_override(RID p_texture, int p_width, int p_height) override;
+
+	virtual void texture_set_path(RID p_texture, const String &p_path) override;
+	virtual String texture_get_path(RID p_texture) const override;
+
+	virtual Image::Format texture_get_format(RID p_texture) const override;
+
+	virtual void texture_set_detect_3d_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override;
+	virtual void texture_set_detect_normal_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override;
+	virtual void texture_set_detect_roughness_callback(RID p_texture, RS::TextureDetectRoughnessCallback p_callback, void *p_userdata) override;
+
+	virtual void texture_debug_usage(List<RS::TextureInfo> *r_info) override;
+
+	virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) override;
+
+	virtual Size2 texture_size_with_proxy(RID p_proxy) override;
+
+	virtual void texture_rd_initialize(RID p_texture, const RID &p_rd_texture, const RS::TextureLayeredType p_layer_type = RS::TEXTURE_LAYERED_2D_ARRAY) override;
+	virtual RID texture_get_rd_texture(RID p_texture, bool p_srgb = false) const override;
+	virtual uint64_t texture_get_native_handle(RID p_texture, bool p_srgb = false) const override;
+
+	//internal usage
+	_FORCE_INLINE_ TextureType texture_get_type(RID p_texture) {
+		RendererRD::TextureStorage::Texture *tex = texture_owner.get_or_null(p_texture);
+		if (tex == nullptr) {
+			return TYPE_2D;
+		}
+
+		return tex->type;
+	}
+
+	_FORCE_INLINE_ int texture_get_layers(RID p_texture) {
+		RendererRD::TextureStorage::Texture *tex = texture_owner.get_or_null(p_texture);
+		if (tex == nullptr) {
+			return 1;
+		}
+
+		return tex->layers;
+	}
+
+	_FORCE_INLINE_ Size2i texture_2d_get_size(RID p_texture) {
+		if (p_texture.is_null()) {
+			return Size2i();
+		}
+		RendererRD::TextureStorage::Texture *tex = texture_owner.get_or_null(p_texture);
+
+		if (!tex) {
+			return Size2i();
+		}
+		return Size2i(tex->width_2d, tex->height_2d);
+	}
+
+	/* DECAL API */
+
+	void update_decal_atlas();
+
+	bool owns_decal(RID p_rid) const { return decal_owner.owns(p_rid); }
+
+	RID decal_atlas_get_texture() const;
+	RID decal_atlas_get_texture_srgb() const;
+	_FORCE_INLINE_ Rect2 decal_atlas_get_texture_rect(RID p_texture) {
+		DecalAtlas::Texture *t = decal_atlas.textures.getptr(p_texture);
+		if (!t) {
+			return Rect2();
+		}
+
+		return t->uv_rect;
+	}
+
+	virtual RID decal_allocate() override;
+	virtual void decal_initialize(RID p_decal) override;
+	virtual void decal_free(RID p_rid) override;
+
+	virtual void decal_set_size(RID p_decal, const Vector3 &p_size) override;
+	virtual void decal_set_texture(RID p_decal, RS::DecalTexture p_type, RID p_texture) override;
+	virtual void decal_set_emission_energy(RID p_decal, float p_energy) override;
+	virtual void decal_set_albedo_mix(RID p_decal, float p_mix) override;
+	virtual void decal_set_modulate(RID p_decal, const Color &p_modulate) override;
+	virtual void decal_set_cull_mask(RID p_decal, uint32_t p_layers) override;
+	virtual void decal_set_distance_fade(RID p_decal, bool p_enabled, float p_begin, float p_length) override;
+	virtual void decal_set_fade(RID p_decal, float p_above, float p_below) override;
+	virtual void decal_set_normal_fade(RID p_decal, float p_fade) override;
+
+	void decal_atlas_mark_dirty_on_texture(RID p_texture);
+	void decal_atlas_remove_texture(RID p_texture);
+
+	virtual void texture_add_to_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override;
+	virtual void texture_remove_from_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override;
+
+	_FORCE_INLINE_ Vector3 decal_get_size(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->size;
+	}
+
+	_FORCE_INLINE_ RID decal_get_texture(RID p_decal, RS::DecalTexture p_texture) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->textures[p_texture];
+	}
+
+	_FORCE_INLINE_ Color decal_get_modulate(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->modulate;
+	}
+
+	_FORCE_INLINE_ float decal_get_emission_energy(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->emission_energy;
+	}
+
+	_FORCE_INLINE_ float decal_get_albedo_mix(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->albedo_mix;
+	}
+
+	_FORCE_INLINE_ uint32_t decal_get_cull_mask(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->cull_mask;
+	}
+
+	_FORCE_INLINE_ float decal_get_upper_fade(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->upper_fade;
+	}
+
+	_FORCE_INLINE_ float decal_get_lower_fade(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->lower_fade;
+	}
+
+	_FORCE_INLINE_ float decal_get_normal_fade(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->normal_fade;
+	}
+
+	_FORCE_INLINE_ bool decal_is_distance_fade_enabled(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->distance_fade;
+	}
+
+	_FORCE_INLINE_ float decal_get_distance_fade_begin(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->distance_fade_begin;
+	}
+
+	_FORCE_INLINE_ float decal_get_distance_fade_length(RID p_decal) {
+		const Decal *decal = decal_owner.get_or_null(p_decal);
+		return decal->distance_fade_length;
+	}
+
+	virtual AABB decal_get_aabb(RID p_decal) const override;
+	virtual uint32_t decal_get_cull_mask(RID p_decal) const override;
+	Dependency *decal_get_dependency(RID p_decal);
+
+	/* DECAL INSTANCE API */
+
+	bool owns_decal_instance(RID p_rid) const { return decal_instance_owner.owns(p_rid); }
+
+	virtual RID decal_instance_create(RID p_decal) override;
+	virtual void decal_instance_free(RID p_decal_instance) override;
+	virtual void decal_instance_set_transform(RID p_decal_instance, const Transform3D &p_transform) override;
+	virtual void decal_instance_set_sorting_offset(RID p_decal_instance, float p_sorting_offset) override;
+
+	_FORCE_INLINE_ RID decal_instance_get_base(RID p_decal_instance) const {
+		DecalInstance *di = decal_instance_owner.get_or_null(p_decal_instance);
+		return di->decal;
+	}
+
+	_FORCE_INLINE_ RendererRD::ForwardID decal_instance_get_forward_id(RID p_decal_instance) const {
+		DecalInstance *di = decal_instance_owner.get_or_null(p_decal_instance);
+		return di->forward_id;
+	}
+
+	_FORCE_INLINE_ Transform3D decal_instance_get_transform(RID p_decal_instance) const {
+		DecalInstance *di = decal_instance_owner.get_or_null(p_decal_instance);
+		return di->transform;
+	}
+
+	_FORCE_INLINE_ ForwardID decal_instance_get_forward_id(RID p_decal_instance) {
+		DecalInstance *di = decal_instance_owner.get_or_null(p_decal_instance);
+		return di->forward_id;
+	}
+
+	_FORCE_INLINE_ void decal_instance_set_cullmask(RID p_decal_instance, uint32_t p_cull_mask) const {
+		DecalInstance *di = decal_instance_owner.get_or_null(p_decal_instance);
+		di->cull_mask = p_cull_mask;
+	}
+
+	/* DECAL DATA API */
+
+	void free_decal_data();
+	void set_max_decals(const uint32_t p_max_decals);
+	RID get_decal_buffer() { return decal_buffer; }
+	void update_decal_buffer(const PagedArray<RID> &p_decals, const Transform3D &p_camera_xform);
+
+	/* RENDER TARGET API */
+
+	bool owns_render_target(RID p_rid) const { return render_target_owner.owns(p_rid); }
+
+	virtual RID render_target_create() override;
+	virtual void render_target_free(RID p_rid) override;
+
+	virtual void render_target_set_position(RID p_render_target, int p_x, int p_y) override;
+	virtual Point2i render_target_get_position(RID p_render_target) const override;
+	virtual void render_target_set_size(RID p_render_target, int p_width, int p_height, uint32_t p_view_count) override;
+	virtual Size2i render_target_get_size(RID p_render_target) const override;
+	virtual void render_target_set_transparent(RID p_render_target, bool p_is_transparent) override;
+	virtual bool render_target_get_transparent(RID p_render_target) const override;
+	virtual void render_target_set_direct_to_screen(RID p_render_target, bool p_direct_to_screen) override;
+	virtual bool render_target_get_direct_to_screen(RID p_render_target) const override;
+	virtual bool render_target_was_used(RID p_render_target) const override;
+	virtual void render_target_set_as_unused(RID p_render_target) override;
+	virtual void render_target_set_msaa(RID p_render_target, RS::ViewportMSAA p_msaa) override;
+	virtual RS::ViewportMSAA render_target_get_msaa(RID p_render_target) const override;
+	virtual void render_target_set_msaa_needs_resolve(RID p_render_target, bool p_needs_resolve) override;
+	virtual bool render_target_get_msaa_needs_resolve(RID p_render_target) const override;
+	virtual void render_target_do_msaa_resolve(RID p_render_target) override;
+	virtual void render_target_set_use_hdr(RID p_render_target, bool p_use_hdr) override;
+	virtual bool render_target_is_using_hdr(RID p_render_target) const override;
+	virtual void render_target_set_use_debanding(RID p_render_target, bool p_use_debanding) override;
+	virtual bool render_target_is_using_debanding(RID p_render_target) const override;
+
+	void render_target_copy_to_back_buffer(RID p_render_target, const Rect2i &p_region, bool p_gen_mipmaps);
+	void render_target_clear_back_buffer(RID p_render_target, const Rect2i &p_region, const Color &p_color);
+	void render_target_gen_back_buffer_mipmaps(RID p_render_target, const Rect2i &p_region);
+	RID render_target_get_back_buffer_uniform_set(RID p_render_target, RID p_base_shader);
+
+	virtual void render_target_request_clear(RID p_render_target, const Color &p_clear_color) override;
+	virtual bool render_target_is_clear_requested(RID p_render_target) override;
+	virtual Color render_target_get_clear_request_color(RID p_render_target) override;
+	virtual void render_target_disable_clear_request(RID p_render_target) override;
+	virtual void render_target_do_clear_request(RID p_render_target) override;
+
+	virtual void render_target_set_sdf_size_and_scale(RID p_render_target, RS::ViewportSDFOversize p_size, RS::ViewportSDFScale p_scale) override;
+	RID render_target_get_sdf_texture(RID p_render_target);
+	RID render_target_get_sdf_framebuffer(RID p_render_target);
+	void render_target_sdf_process(RID p_render_target);
+	virtual Rect2i render_target_get_sdf_rect(RID p_render_target) const override;
+	virtual void render_target_mark_sdf_enabled(RID p_render_target, bool p_enabled) override;
+	bool render_target_is_sdf_enabled(RID p_render_target) const;
+
+	virtual void render_target_set_vrs_mode(RID p_render_target, RS::ViewportVRSMode p_mode) override;
+	virtual RS::ViewportVRSMode render_target_get_vrs_mode(RID p_render_target) const override;
+	virtual void render_target_set_vrs_update_mode(RID p_render_target, RS::ViewportVRSUpdateMode p_mode) override;
+	virtual RS::ViewportVRSUpdateMode render_target_get_vrs_update_mode(RID p_render_target) const override;
+	virtual void render_target_set_vrs_texture(RID p_render_target, RID p_texture) override;
+	virtual RID render_target_get_vrs_texture(RID p_render_target) const override;
+
+	virtual void render_target_set_override(RID p_render_target, RID p_color_texture, RID p_depth_texture, RID p_velocity_texture, RID p_velocity_depth_texture) override;
+	virtual RID render_target_get_override_color(RID p_render_target) const override;
+	virtual RID render_target_get_override_depth(RID p_render_target) const override;
+	RID render_target_get_override_depth_slice(RID p_render_target, const uint32_t p_layer) const;
+	virtual RID render_target_get_override_velocity(RID p_render_target) const override;
+	RID render_target_get_override_velocity_slice(RID p_render_target, const uint32_t p_layer) const;
+	virtual RID render_target_get_override_velocity_depth(RID p_render_target) const override;
+
+	virtual void render_target_set_render_region(RID p_render_target, const Rect2i &p_render_region) override;
+	virtual Rect2i render_target_get_render_region(RID p_render_target) const override;
+
+	virtual RID render_target_get_texture(RID p_render_target) override;
+
+	virtual void render_target_set_velocity_target_size(RID p_render_target, const Size2i &p_target_size) override {}
+	virtual Size2i render_target_get_velocity_target_size(RID p_render_target) const override { return Size2i(0, 0); }
+
+	RID render_target_get_rd_framebuffer(RID p_render_target);
+	RID render_target_get_rd_texture(RID p_render_target);
+	RID render_target_get_rd_texture_slice(RID p_render_target, uint32_t p_layer);
+	RID render_target_get_rd_texture_msaa(RID p_render_target);
+	RID render_target_get_rd_backbuffer(RID p_render_target);
+	RID render_target_get_rd_backbuffer_framebuffer(RID p_render_target);
+
+	RID render_target_get_framebuffer_uniform_set(RID p_render_target);
+	RID render_target_get_backbuffer_uniform_set(RID p_render_target);
+
+	void render_target_set_framebuffer_uniform_set(RID p_render_target, RID p_uniform_set);
+	void render_target_set_backbuffer_uniform_set(RID p_render_target, RID p_uniform_set);
+
+	static RD::DataFormat render_target_get_color_format(bool p_use_hdr, bool p_srgb);
+	static uint32_t render_target_get_color_usage_bits(bool p_msaa);
+};
+
+} // namespace RendererRD

servers/rendering/renderer_rd/storage_rd/utilities.cpp

@@ -0,0 +1,343 @@
+/**************************************************************************/
+/*  utilities.cpp                                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "utilities.h"
+#include "../environment/fog.h"
+#include "../environment/gi.h"
+#include "light_storage.h"
+#include "mesh_storage.h"
+#include "particles_storage.h"
+#include "texture_storage.h"
+
+using namespace RendererRD;
+
+Utilities *Utilities::singleton = nullptr;
+
+Utilities::Utilities() {
+	singleton = this;
+}
+
+Utilities::~Utilities() {
+	singleton = nullptr;
+}
+
+/* INSTANCES */
+
+RS::InstanceType Utilities::get_base_type(RID p_rid) const {
+	if (RendererRD::MeshStorage::get_singleton()->owns_mesh(p_rid)) {
+		return RS::INSTANCE_MESH;
+	}
+	if (RendererRD::MeshStorage::get_singleton()->owns_multimesh(p_rid)) {
+		return RS::INSTANCE_MULTIMESH;
+	}
+	if (RendererRD::LightStorage::get_singleton()->owns_reflection_probe(p_rid)) {
+		return RS::INSTANCE_REFLECTION_PROBE;
+	}
+	if (RendererRD::TextureStorage::get_singleton()->owns_decal(p_rid)) {
+		return RS::INSTANCE_DECAL;
+	}
+	if (RendererRD::GI::get_singleton()->owns_voxel_gi(p_rid)) {
+		return RS::INSTANCE_VOXEL_GI;
+	}
+	if (RendererRD::LightStorage::get_singleton()->owns_light(p_rid)) {
+		return RS::INSTANCE_LIGHT;
+	}
+	if (RendererRD::LightStorage::get_singleton()->owns_lightmap(p_rid)) {
+		return RS::INSTANCE_LIGHTMAP;
+	}
+	if (RendererRD::ParticlesStorage::get_singleton()->owns_particles(p_rid)) {
+		return RS::INSTANCE_PARTICLES;
+	}
+	if (RendererRD::ParticlesStorage::get_singleton()->owns_particles_collision(p_rid)) {
+		return RS::INSTANCE_PARTICLES_COLLISION;
+	}
+	if (RendererRD::Fog::get_singleton()->owns_fog_volume(p_rid)) {
+		return RS::INSTANCE_FOG_VOLUME;
+	}
+	if (owns_visibility_notifier(p_rid)) {
+		return RS::INSTANCE_VISIBLITY_NOTIFIER;
+	}
+
+	return RS::INSTANCE_NONE;
+}
+
+bool Utilities::free(RID p_rid) {
+	if (RendererRD::LightStorage::get_singleton()->free(p_rid)) {
+		return true;
+	} else if (RendererRD::MaterialStorage::get_singleton()->free(p_rid)) {
+		return true;
+	} else if (RendererRD::MeshStorage::get_singleton()->free(p_rid)) {
+		return true;
+	} else if (RendererRD::ParticlesStorage::get_singleton()->free(p_rid)) {
+		return true;
+	} else if (RendererRD::TextureStorage::get_singleton()->free(p_rid)) {
+		return true;
+	} else if (RendererRD::GI::get_singleton()->owns_voxel_gi(p_rid)) {
+		RendererRD::GI::get_singleton()->voxel_gi_free(p_rid);
+		return true;
+	} else if (RendererRD::Fog::get_singleton()->owns_fog_volume(p_rid)) {
+		RendererRD::Fog::get_singleton()->fog_volume_free(p_rid);
+		return true;
+	} else if (owns_visibility_notifier(p_rid)) {
+		visibility_notifier_free(p_rid);
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/* DEPENDENCIES */
+
+void Utilities::base_update_dependency(RID p_base, DependencyTracker *p_instance) {
+	if (MeshStorage::get_singleton()->owns_mesh(p_base)) {
+		Dependency *dependency = MeshStorage::get_singleton()->mesh_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (MeshStorage::get_singleton()->owns_multimesh(p_base)) {
+		Dependency *dependency = MeshStorage::get_singleton()->multimesh_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+
+		RID mesh = MeshStorage::get_singleton()->multimesh_get_mesh(p_base);
+		if (mesh.is_valid()) {
+			base_update_dependency(mesh, p_instance);
+		}
+	} else if (LightStorage::get_singleton()->owns_reflection_probe(p_base)) {
+		Dependency *dependency = LightStorage::get_singleton()->reflection_probe_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (TextureStorage::get_singleton()->owns_decal(p_base)) {
+		Dependency *dependency = TextureStorage::get_singleton()->decal_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (GI::get_singleton()->owns_voxel_gi(p_base)) {
+		Dependency *dependency = GI::get_singleton()->voxel_gi_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (LightStorage::get_singleton()->owns_lightmap(p_base)) {
+		Dependency *dependency = LightStorage::get_singleton()->lightmap_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (LightStorage::get_singleton()->owns_light(p_base)) {
+		Dependency *dependency = LightStorage::get_singleton()->light_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (ParticlesStorage::get_singleton()->owns_particles(p_base)) {
+		Dependency *dependency = ParticlesStorage::get_singleton()->particles_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (ParticlesStorage::get_singleton()->owns_particles_collision(p_base)) {
+		Dependency *dependency = ParticlesStorage::get_singleton()->particles_collision_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (Fog::get_singleton()->owns_fog_volume(p_base)) {
+		Dependency *dependency = Fog::get_singleton()->fog_volume_get_dependency(p_base);
+		p_instance->update_dependency(dependency);
+	} else if (owns_visibility_notifier(p_base)) {
+		VisibilityNotifier *vn = get_visibility_notifier(p_base);
+		p_instance->update_dependency(&vn->dependency);
+	}
+}
+
+/* VISIBILITY NOTIFIER */
+
+RID Utilities::visibility_notifier_allocate() {
+	return visibility_notifier_owner.allocate_rid();
+}
+
+void Utilities::visibility_notifier_initialize(RID p_notifier) {
+	visibility_notifier_owner.initialize_rid(p_notifier, VisibilityNotifier());
+}
+
+void Utilities::visibility_notifier_free(RID p_notifier) {
+	VisibilityNotifier *vn = visibility_notifier_owner.get_or_null(p_notifier);
+	vn->dependency.deleted_notify(p_notifier);
+	visibility_notifier_owner.free(p_notifier);
+}
+
+void Utilities::visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) {
+	VisibilityNotifier *vn = visibility_notifier_owner.get_or_null(p_notifier);
+	ERR_FAIL_NULL(vn);
+	vn->aabb = p_aabb;
+	vn->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_AABB);
+}
+
+void Utilities::visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) {
+	VisibilityNotifier *vn = visibility_notifier_owner.get_or_null(p_notifier);
+	ERR_FAIL_NULL(vn);
+	vn->enter_callback = p_enter_callbable;
+	vn->exit_callback = p_exit_callable;
+}
+
+AABB Utilities::visibility_notifier_get_aabb(RID p_notifier) const {
+	const VisibilityNotifier *vn = visibility_notifier_owner.get_or_null(p_notifier);
+	ERR_FAIL_NULL_V(vn, AABB());
+	return vn->aabb;
+}
+
+void Utilities::visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) {
+	VisibilityNotifier *vn = visibility_notifier_owner.get_or_null(p_notifier);
+	ERR_FAIL_NULL(vn);
+
+	if (p_enter) {
+		if (vn->enter_callback.is_valid()) {
+			if (p_deferred) {
+				vn->enter_callback.call_deferred();
+			} else {
+				vn->enter_callback.call();
+			}
+		}
+	} else {
+		if (vn->exit_callback.is_valid()) {
+			if (p_deferred) {
+				vn->exit_callback.call_deferred();
+			} else {
+				vn->exit_callback.call();
+			}
+		}
+	}
+}
+
+/* TIMING */
+
+void Utilities::capture_timestamps_begin() {
+	RD::get_singleton()->capture_timestamp("Frame Begin");
+}
+
+void Utilities::capture_timestamp(const String &p_name) {
+	RD::get_singleton()->capture_timestamp(p_name);
+}
+
+uint32_t Utilities::get_captured_timestamps_count() const {
+	return RD::get_singleton()->get_captured_timestamps_count();
+}
+
+uint64_t Utilities::get_captured_timestamps_frame() const {
+	return RD::get_singleton()->get_captured_timestamps_frame();
+}
+
+uint64_t Utilities::get_captured_timestamp_gpu_time(uint32_t p_index) const {
+	return RD::get_singleton()->get_captured_timestamp_gpu_time(p_index);
+}
+
+uint64_t Utilities::get_captured_timestamp_cpu_time(uint32_t p_index) const {
+	return RD::get_singleton()->get_captured_timestamp_cpu_time(p_index);
+}
+
+String Utilities::get_captured_timestamp_name(uint32_t p_index) const {
+	return RD::get_singleton()->get_captured_timestamp_name(p_index);
+}
+
+/* MISC */
+
+void Utilities::update_dirty_resources() {
+	MaterialStorage::get_singleton()->_update_global_shader_uniforms(); //must do before materials, so it can queue them for update
+	MaterialStorage::get_singleton()->_update_queued_materials();
+	MeshStorage::get_singleton()->_update_dirty_multimeshes();
+	MeshStorage::get_singleton()->_update_dirty_skeletons();
+	TextureStorage::get_singleton()->update_decal_atlas();
+}
+
+bool Utilities::has_os_feature(const String &p_feature) const {
+	if (!RD::get_singleton()) {
+		return false;
+	}
+
+	if (p_feature == "rgtc" && RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_BC5_UNORM_BLOCK, RD::TEXTURE_USAGE_SAMPLING_BIT)) {
+		return true;
+	}
+
+#if !defined(ANDROID_ENABLED) && !defined(APPLE_EMBEDDED_ENABLED)
+	// Some Android devices report support for S3TC but we don't expect that and don't export the textures.
+	// This could be fixed but so few devices support it that it doesn't seem useful (and makes bigger APKs).
+	// For good measure we do the same hack for iOS, just in case.
+	if (p_feature == "s3tc" && RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_BC1_RGB_UNORM_BLOCK, RD::TEXTURE_USAGE_SAMPLING_BIT)) {
+		return true;
+	}
+#endif
+
+	if (p_feature == "bptc" && RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_BC7_UNORM_BLOCK, RD::TEXTURE_USAGE_SAMPLING_BIT)) {
+		return true;
+	}
+
+	if (p_feature == "etc2" && RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, RD::TEXTURE_USAGE_SAMPLING_BIT)) {
+		return true;
+	}
+
+	if (p_feature == "astc" && RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_ASTC_4x4_UNORM_BLOCK, RD::TEXTURE_USAGE_SAMPLING_BIT)) {
+		return true;
+	}
+
+	if (p_feature == "astc_hdr" && RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_ASTC_4x4_SFLOAT_BLOCK, RD::TEXTURE_USAGE_SAMPLING_BIT)) {
+		return true;
+	}
+
+	return false;
+}
+
+void Utilities::update_memory_info() {
+	texture_mem_cache = RenderingDevice::get_singleton()->get_memory_usage(RenderingDevice::MEMORY_TEXTURES);
+	buffer_mem_cache = RenderingDevice::get_singleton()->get_memory_usage(RenderingDevice::MEMORY_BUFFERS);
+	total_mem_cache = RenderingDevice::get_singleton()->get_memory_usage(RenderingDevice::MEMORY_TOTAL);
+}
+
+uint64_t Utilities::get_rendering_info(RS::RenderingInfo p_info) {
+	if (p_info == RS::RENDERING_INFO_TEXTURE_MEM_USED) {
+		return texture_mem_cache;
+	} else if (p_info == RS::RENDERING_INFO_BUFFER_MEM_USED) {
+		return buffer_mem_cache;
+	} else if (p_info == RS::RENDERING_INFO_VIDEO_MEM_USED) {
+		return total_mem_cache;
+	}
+	return 0;
+}
+
+String Utilities::get_video_adapter_name() const {
+	return RenderingDevice::get_singleton()->get_device_name();
+}
+
+String Utilities::get_video_adapter_vendor() const {
+	return RenderingDevice::get_singleton()->get_device_vendor_name();
+}
+
+RenderingDevice::DeviceType Utilities::get_video_adapter_type() const {
+	return RenderingDevice::get_singleton()->get_device_type();
+}
+
+String Utilities::get_video_adapter_api_version() const {
+	return RenderingDevice::get_singleton()->get_device_api_version();
+}
+
+Size2i Utilities::get_maximum_viewport_size() const {
+	RenderingDevice *device = RenderingDevice::get_singleton();
+
+	int max_x = device->limit_get(RenderingDevice::LIMIT_MAX_VIEWPORT_DIMENSIONS_X);
+	int max_y = device->limit_get(RenderingDevice::LIMIT_MAX_VIEWPORT_DIMENSIONS_Y);
+	return Size2i(max_x, max_y);
+}
+
+uint32_t Utilities::get_maximum_shader_varyings() const {
+	return RenderingDevice::get_singleton()->limit_get(RenderingDevice::LIMIT_MAX_SHADER_VARYINGS);
+}
+
+uint64_t Utilities::get_maximum_uniform_buffer_size() const {
+	return RenderingDevice::get_singleton()->limit_get(RenderingDevice::LIMIT_MAX_UNIFORM_BUFFER_SIZE);
+}

servers/rendering/renderer_rd/storage_rd/utilities.h

@@ -0,0 +1,123 @@
+/**************************************************************************/
+/*  utilities.h                                                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/templates/rid_owner.h"
+#include "servers/rendering/storage/utilities.h"
+
+namespace RendererRD {
+
+/* VISIBILITY NOTIFIER */
+
+struct VisibilityNotifier {
+	AABB aabb;
+	Callable enter_callback;
+	Callable exit_callback;
+	Dependency dependency;
+};
+
+class Utilities : public RendererUtilities {
+private:
+	static Utilities *singleton;
+
+	/* VISIBILITY NOTIFIER */
+
+	mutable RID_Owner<VisibilityNotifier> visibility_notifier_owner;
+
+	/* MISC */
+
+	//keep cached since it can be called form any thread
+	uint64_t texture_mem_cache = 0;
+	uint64_t buffer_mem_cache = 0;
+	uint64_t total_mem_cache = 0;
+
+public:
+	static Utilities *get_singleton() { return singleton; }
+
+	Utilities();
+	virtual ~Utilities() override;
+
+	/* INSTANCES */
+
+	virtual RS::InstanceType get_base_type(RID p_rid) const override;
+	virtual bool free(RID p_rid) override;
+
+	/* DEPENDENCIES */
+
+	virtual void base_update_dependency(RID p_base, DependencyTracker *p_instance) override;
+
+	/* VISIBILITY NOTIFIER */
+
+	VisibilityNotifier *get_visibility_notifier(RID p_rid) { return visibility_notifier_owner.get_or_null(p_rid); }
+	bool owns_visibility_notifier(RID p_rid) const { return visibility_notifier_owner.owns(p_rid); }
+
+	virtual RID visibility_notifier_allocate() override;
+	virtual void visibility_notifier_initialize(RID p_notifier) override;
+	virtual void visibility_notifier_free(RID p_notifier) override;
+
+	virtual void visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) override;
+	virtual void visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) override;
+
+	virtual AABB visibility_notifier_get_aabb(RID p_notifier) const override;
+	virtual void visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) override;
+
+	/* TIMING */
+
+	virtual void capture_timestamps_begin() override;
+	virtual void capture_timestamp(const String &p_name) override;
+	virtual uint32_t get_captured_timestamps_count() const override;
+	virtual uint64_t get_captured_timestamps_frame() const override;
+	virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const override;
+	virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const override;
+	virtual String get_captured_timestamp_name(uint32_t p_index) const override;
+
+	/* MISC */
+
+	virtual void update_dirty_resources() override;
+	virtual void set_debug_generate_wireframes(bool p_generate) override {}
+
+	virtual bool has_os_feature(const String &p_feature) const override;
+
+	virtual void update_memory_info() override;
+
+	virtual uint64_t get_rendering_info(RS::RenderingInfo p_info) override;
+
+	virtual String get_video_adapter_name() const override;
+	virtual String get_video_adapter_vendor() const override;
+	virtual RenderingDevice::DeviceType get_video_adapter_type() const override;
+	virtual String get_video_adapter_api_version() const override;
+
+	virtual Size2i get_maximum_viewport_size() const override;
+	virtual uint32_t get_maximum_shader_varyings() const override;
+	virtual uint64_t get_maximum_uniform_buffer_size() const override;
+};
+
+} // namespace RendererRD