1 #ifndef DALI_SCENE_LOADER_SHADER_DEFINITION_H
2 #define DALI_SCENE_LOADER_SHADER_DEFINITION_H
4 * Copyright (c) 2021 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-scene-loader/public-api/renderer-state.h"
25 #include "dali/public-api/common/vector-wrapper.h"
26 #include "dali/public-api/rendering/shader.h"
33 * @brief Defines a shader with paths to the files which define its
34 * vertex and fragment components, and a mapping of uniform names (which are
35 * used to refer to them in GLSL) to data.
37 struct DALI_SCENE_LOADER_API ShaderDefinition
39 using Vector = std::vector<std::pair<ShaderDefinition, Shader>>;
43 std::string mVertexShaderSource;
44 std::string mFragmentShaderSource;
48 * @brief Apply the defines values to shader.
50 static void ApplyDefine(std::string& shaderCode, const std::string& definevar);
52 ShaderDefinition() = default;
54 ShaderDefinition(const ShaderDefinition& other);
55 ShaderDefinition& operator=(const ShaderDefinition& other);
57 ShaderDefinition(ShaderDefinition&&) = default;
58 ShaderDefinition& operator=(ShaderDefinition&&) = default;
61 * @brief Attempts to load the source of the vertex and fragment shaders,
62 * then performs pre-processing of defines.
63 * @note This may be called from any thread.
65 RawData LoadRaw(const std::string& shadersPath) const;
68 * @brief Creates a DALi Shader from the sources in @a raw, traverses
69 * uniforms to get them to register their data against their name,
70 * then returns the Shader.
71 * @note This must be called from the event thread.
73 Shader Load(RawData&& raw) const;
76 RendererState::Type mRendererState = RendererState::NONE;
78 std::string mVertexShaderPath;
79 std::string mFragmentShaderPath;
80 std::vector<std::string> mDefines;
81 std::vector<std::string> mHints;
83 Property::Map mUniforms;
86 } // namespace SceneLoader
89 #endif //DALI_SCENE_LOADER_SHADER_DEFINITION_H