1 #ifndef DALI_SCENE3D_LOADER_SHADER_DEFINITION_H
2 #define DALI_SCENE3D_LOADER_SHADER_DEFINITION_H
4 * Copyright (c) 2023 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/public-api/common/vector-wrapper.h>
22 #include <dali/public-api/rendering/shader.h>
26 #include <dali-scene3d/public-api/loader/renderer-state.h>
27 #include <dali-scene3d/public-api/loader/shader-option.h>
29 namespace Dali::Scene3D::Loader
32 * @brief Defines a shader with paths to the files which define its
33 * vertex and fragment components, and a mapping of uniform names (which are
34 * used to refer to them in GLSL) to data.
36 struct DALI_SCENE3D_API ShaderDefinition
38 using Vector = std::vector<std::pair<ShaderDefinition, Shader>>;
42 std::string mVertexShaderSource;
43 std::string mFragmentShaderSource;
44 std::string mShadowVertexShaderSource;
45 std::string mShadowFragmentShaderSource;
48 ShaderDefinition() = default;
50 ShaderDefinition(const ShaderDefinition& other);
51 ShaderDefinition& operator=(const ShaderDefinition& other);
53 ShaderDefinition(ShaderDefinition&&) = default;
54 ShaderDefinition& operator=(ShaderDefinition&&) = default;
57 * @brief Attempts to load the source of the vertex and fragment shaders,
58 * then performs pre-processing of defines.
59 * @note This may be called from any thread.
61 RawData LoadRaw(const std::string& shadersPath) const;
64 * @brief Creates a DALi Shader from the sources in @a raw, traverses
65 * uniforms to get them to register their data against their name,
66 * then returns the Shader.
67 * @note This must be called from the event thread.
69 Shader Load(RawData&& raw) const;
72 std::shared_ptr<RawData> mRawData;
73 RendererState::Type mRendererState = RendererState::NONE;
75 std::string mVertexShaderPath;
76 std::string mFragmentShaderPath;
77 std::vector<std::string> mDefines;
78 std::vector<ShaderOption::MacroDefinition> mMacros;
79 std::vector<std::string> mHints;
80 Property::Map mUniforms;
81 bool mUseBuiltInShader{false};
84 } // namespace Dali::Scene3D::Loader
86 #endif // DALI_SCENE3D_LOADER_SHADER_DEFINITION_H