1 #ifndef DALI_SCENE3D_LOADER_SHADER_DEFINITION_H
2 #define DALI_SCENE3D_LOADER_SHADER_DEFINITION_H
4 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
21 #include "dali-scene3d/public-api/loader/renderer-state.h"
25 #include "dali/public-api/common/vector-wrapper.h"
26 #include "dali/public-api/rendering/shader.h"
35 * @brief Defines a shader with paths to the files which define its
36 * vertex and fragment components, and a mapping of uniform names (which are
37 * used to refer to them in GLSL) to data.
39 struct DALI_SCENE3D_API ShaderDefinition
41 using Vector = std::vector<std::pair<ShaderDefinition, Shader>>;
45 std::string mVertexShaderSource;
46 std::string mFragmentShaderSource;
50 * @brief Apply the defines values to shader.
52 static void ApplyDefine(std::string& shaderCode, const std::string& definevar);
54 ShaderDefinition() = default;
56 ShaderDefinition(const ShaderDefinition& other);
57 ShaderDefinition& operator=(const ShaderDefinition& other);
59 ShaderDefinition(ShaderDefinition&&) = default;
60 ShaderDefinition& operator=(ShaderDefinition&&) = default;
63 * @brief Attempts to load the source of the vertex and fragment shaders,
64 * then performs pre-processing of defines.
65 * @note This may be called from any thread.
67 RawData LoadRaw(const std::string& shadersPath) const;
70 * @brief Creates a DALi Shader from the sources in @a raw, traverses
71 * uniforms to get them to register their data against their name,
72 * then returns the Shader.
73 * @note This must be called from the event thread.
75 Shader Load(RawData&& raw) const;
78 RendererState::Type mRendererState = RendererState::NONE;
80 std::string mVertexShaderPath;
81 std::string mFragmentShaderPath;
82 std::vector<std::string> mDefines;
83 std::vector<std::string> mHints;
84 Property::Map mUniforms;
85 bool mUseBuiltInShader{false};
89 } // namespace Scene3D
92 #endif //DALI_SCENE3D_LOADER_SHADER_DEFINITION_H