initial commit, 4.5 stable

drivers/gles3/storage/config.h

@@ -0,0 +1,124 @@
+/**************************************************************************/
+/*  config.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 GLES3_ENABLED
+
+#include "core/config/project_settings.h"
+#include "core/string/ustring.h"
+#include "core/templates/hash_set.h"
+
+#include "platform_gl.h"
+
+#ifdef ANDROID_ENABLED
+typedef void (*PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC)(GLenum, GLenum, GLuint, GLint, GLint, GLsizei);
+typedef void (*PFNGLTEXSTORAGE3DMULTISAMPLEPROC)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean);
+typedef void (*PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei);
+typedef void (*PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC)(GLenum, GLenum, GLuint, GLint, GLsizei, GLint, GLsizei);
+typedef void (*PFNEGLIMAGETARGETTEXTURE2DOESPROC)(GLenum, void *);
+#endif
+
+namespace GLES3 {
+
+class Config {
+private:
+	static Config *singleton;
+
+public:
+	bool use_nearest_mip_filter = false;
+	bool use_depth_prepass = true;
+
+	GLint max_vertex_texture_image_units = 0;
+	GLint max_texture_image_units = 0;
+	GLint max_texture_size = 0;
+	GLint max_viewport_size[2] = { 0, 0 };
+	GLint64 max_uniform_buffer_size = 0;
+	uint32_t max_shader_varyings = 0;
+
+	int64_t max_renderable_elements = 0;
+	int64_t max_renderable_lights = 0;
+	int64_t max_lights_per_object = 0;
+
+	bool generate_wireframes = false;
+
+	HashSet<String> extensions;
+
+	bool float_texture_supported = false;
+	bool float_texture_linear_supported = false;
+	bool s3tc_supported = false;
+	bool rgtc_supported = false;
+	bool bptc_supported = false;
+	bool etc2_supported = false;
+	bool astc_supported = false;
+	bool astc_hdr_supported = false;
+	bool astc_layered_supported = false;
+	bool srgb_framebuffer_supported = false;
+
+	bool force_vertex_shading = false;
+	bool specular_occlusion = false;
+
+	bool support_anisotropic_filter = false;
+	float anisotropic_level = 0.0f;
+
+	GLint msaa_max_samples = 0;
+	bool msaa_supported = false;
+	bool msaa_multiview_supported = false;
+	bool rt_msaa_supported = false;
+	bool rt_msaa_multiview_supported = false;
+	bool multiview_supported = false;
+	bool external_texture_supported = false;
+
+	// Adreno 3XX compatibility.
+	bool disable_particles_workaround = false; // Set to 'true' to disable 'GPUParticles'.
+
+	// PowerVR GE 8320 workaround.
+	bool disable_transform_feedback_shader_cache = false;
+
+	// ANGLE shader workaround.
+	bool polyfill_half2float = true;
+
+#ifdef ANDROID_ENABLED
+	PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC eglFramebufferTextureMultiviewOVR = nullptr;
+	PFNGLTEXSTORAGE3DMULTISAMPLEPROC eglTexStorage3DMultisample = nullptr;
+	PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC eglFramebufferTexture2DMultisampleEXT = nullptr;
+	PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC eglFramebufferTextureMultisampleMultiviewOVR = nullptr;
+	PFNEGLIMAGETARGETTEXTURE2DOESPROC eglEGLImageTargetTexture2DOES = nullptr;
+#endif
+
+	static Config *get_singleton() { return singleton; }
+
+	Config();
+	~Config();
+};
+
+} // namespace GLES3
+
+#endif // GLES3_ENABLED