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Diffstat (limited to 'drivers/opengl/shader_opengl.h')
-rw-r--r-- | drivers/opengl/shader_opengl.h | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/drivers/opengl/shader_opengl.h b/drivers/opengl/shader_opengl.h deleted file mode 100644 index 4896bd6f2b..0000000000 --- a/drivers/opengl/shader_opengl.h +++ /dev/null @@ -1,277 +0,0 @@ -/*************************************************************************/ -/* shader_opengl.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* 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 SHADER_OPENGL_H -#define SHADER_OPENGL_H - -#include "drivers/opengl/rasterizer_platforms.h" -#ifdef OPENGL_BACKEND_ENABLED - -// This must come first to avoid windows.h mess -#include "platform_config.h" -#ifndef OPENGL_INCLUDE_H -#include <GLES3/gl3.h> -#else -#include OPENGL_INCLUDE_H -#endif - -#include "core/math/camera_matrix.h" -#include "core/templates/hash_map.h" -#include "core/templates/map.h" -#include "core/templates/pair.h" -#include "core/variant/variant.h" -#include "servers/rendering/shader_language.h" - -#include <stdio.h> - -class RasterizerStorageOpenGL; - -class ShaderOpenGL { -protected: - struct Enum { - uint64_t mask; - uint64_t shift; - const char *defines[16]; - }; - - struct EnumValue { - uint64_t set_mask; - uint64_t clear_mask; - }; - - struct AttributePair { - const char *name; - int index; - }; - - struct UniformPair { - const char *name; - Variant::Type type_hint; - }; - - struct TexUnitPair { - const char *name; - int index; - }; - - bool uniforms_dirty; - -private: - bool valid = false; - - //@TODO Optimize to a fixed set of shader pools and use a LRU - int uniform_count; - int texunit_pair_count; - int conditional_count; - int vertex_code_start; - int fragment_code_start; - int attribute_pair_count; - - struct CustomCode { - String vertex; - String vertex_globals; - String fragment; - String fragment_globals; - String light; - uint32_t version; - Vector<StringName> texture_uniforms; - Vector<StringName> custom_uniforms; - Vector<CharString> custom_defines; - Set<uint32_t> versions; - }; - - struct Version { - GLuint id; - GLuint vert_id; - GLuint frag_id; - GLint *uniform_location; - Vector<GLint> texture_uniform_locations; - Map<StringName, GLint> custom_uniform_locations; - uint32_t code_version; - bool ok; - Version() { - id = 0; - vert_id = 0; - frag_id = 0; - uniform_location = NULL; - code_version = 0; - ok = false; - } - }; - - Version *version; - - union VersionKey { - struct { - uint32_t version; - uint32_t code_version; - }; - uint64_t key; - bool operator==(const VersionKey &p_key) const { return key == p_key.key; } - bool operator<(const VersionKey &p_key) const { return key < p_key.key; } - }; - - struct VersionKeyHash { - static _FORCE_INLINE_ uint32_t hash(const VersionKey &p_key) { return HashMapHasherDefault::hash(p_key.key); } - }; - - //this should use a way more cachefriendly version.. - HashMap<VersionKey, Version, VersionKeyHash> version_map; - - HashMap<uint32_t, CustomCode> custom_code_map; - uint32_t last_custom_code; - - VersionKey conditional_version; - VersionKey new_conditional_version; - - virtual String get_shader_name() const = 0; - - const char **conditional_defines; - const char **uniform_names; - const AttributePair *attribute_pairs; - const TexUnitPair *texunit_pairs; - const char *vertex_code; - const char *fragment_code; - CharString fragment_code0; - CharString fragment_code1; - CharString fragment_code2; - CharString fragment_code3; - - CharString vertex_code0; - CharString vertex_code1; - CharString vertex_code2; - - Vector<CharString> custom_defines; - - Version *get_current_version(); - - static ShaderOpenGL *active; - - int max_image_units; - - Map<StringName, Pair<ShaderLanguage::DataType, Vector<ShaderLanguage::ConstantNode::Value>>> uniform_values; - -protected: - _FORCE_INLINE_ int _get_uniform(int p_which) const; - _FORCE_INLINE_ void _set_conditional(int p_which, bool p_value); - - void setup(const char **p_conditional_defines, - int p_conditional_count, - const char **p_uniform_names, - int p_uniform_count, - const AttributePair *p_attribute_pairs, - int p_attribute_count, - const TexUnitPair *p_texunit_pairs, - int p_texunit_pair_count, - const char *p_vertex_code, - const char *p_fragment_code, - int p_vertex_code_start, - int p_fragment_code_start); - - ShaderOpenGL(); - -public: - enum { - CUSTOM_SHADER_DISABLED = 0 - }; - - GLint get_uniform_location(const String &p_name) const; - GLint get_uniform_location(int p_index) const; - - static _FORCE_INLINE_ ShaderOpenGL *get_active() { return active; } - bool bind(); - void unbind(); - - inline GLuint get_program() const { return version ? version->id : 0; } - - void clear_caches(); - - uint32_t create_custom_shader(); - void set_custom_shader_code(uint32_t p_code_id, - const String &p_vertex, - const String &p_vertex_globals, - const String &p_fragment, - const String &p_light, - const String &p_fragment_globals, - const Vector<StringName> &p_uniforms, - const Vector<StringName> &p_texture_uniforms, - const Vector<CharString> &p_custom_defines); - - void set_custom_shader(uint32_t p_code_id); - void free_custom_shader(uint32_t p_code_id); - - uint32_t get_version_key() const { return conditional_version.version; } - - // this void* is actually a RasterizerStorageOpenGL::Material, but C++ doesn't - // like forward declared nested classes. - void use_material(void *p_material); - - _FORCE_INLINE_ uint32_t get_version() const { return new_conditional_version.version; } - _FORCE_INLINE_ bool is_version_valid() const { return version && version->ok; } - - virtual void init() = 0; - void finish(); - - void add_custom_define(const String &p_define) { - custom_defines.push_back(p_define.utf8()); - } - - void get_custom_defines(Vector<String> *p_defines) { - for (int i = 0; i < custom_defines.size(); i++) { - p_defines->push_back(custom_defines[i].get_data()); - } - } - - void remove_custom_define(const String &p_define) { - custom_defines.erase(p_define.utf8()); - } - - virtual ~ShaderOpenGL(); -}; - -// called a lot, made inline - -int ShaderOpenGL::_get_uniform(int p_which) const { - ERR_FAIL_INDEX_V(p_which, uniform_count, -1); - ERR_FAIL_COND_V(!version, -1); - return version->uniform_location[p_which]; -} - -void ShaderOpenGL::_set_conditional(int p_which, bool p_value) { - ERR_FAIL_INDEX(p_which, conditional_count); - if (p_value) - new_conditional_version.version |= (1 << p_which); - else - new_conditional_version.version &= ~(1 << p_which); -} - -#endif // OPENGL_BACKEND_ENABLED - -#endif // SHADER_OPENGL_H |