initial commit, 4.5 stable

servers/rendering/instance_uniforms.h

@@ -0,0 +1,70 @@
+/**************************************************************************/
+/*  instance_uniforms.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/variant/variant.h"
+#include "servers/rendering/storage/material_storage.h"
+
+class InstanceUniforms {
+public:
+	void free(RID p_self);
+
+	void materials_start();
+	void materials_append(RID p_material);
+
+	// Assign location() to instance offset if materials_finish returns true.
+	bool materials_finish(RID p_self);
+
+	Variant get(const StringName &p_name) const;
+	void set(RID p_self, const StringName &p_name, const Variant &p_value);
+
+	Variant get_default(const StringName &p_name) const;
+	void get_property_list(List<PropertyInfo> &r_parameters) const;
+
+	inline int32_t location() const { return _location; }
+	inline bool is_allocated() const { return _location != -1; }
+
+private:
+	struct Item {
+		int32_t index = -1;
+		int32_t flags = 0;
+		Variant value;
+		Variant default_value;
+		PropertyInfo info;
+
+		inline bool is_valid() const { return index != -1; }
+	};
+	int32_t _location = -1;
+	HashMap<StringName, Item> _parameters;
+
+	void _init_param(Item &r_item, const RendererMaterialStorage::InstanceShaderParam &p_param) const;
+	void _invalidate_items();
+};