1 #ifndef DALI_SCENE3D_LOADER_SHADER_OPTION_H_
2 #define DALI_SCENE3D_LOADER_SHADER_OPTION_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>
24 #include <string_view>
27 #include <dali-scene3d/public-api/api.h>
29 namespace Dali::Scene3D::Loader
31 class DALI_SCENE3D_API ShaderOption
39 METALLIC_ROUGHNESS_TEXTURE,
57 struct MacroDefinition
60 std::string definition;
63 ShaderOption() = default;
64 ShaderOption(const ShaderOption& rhs);
65 ShaderOption& operator=(const ShaderOption& rhs);
69 * @brief Sets transparency option.
71 void SetTransparency();
74 * @brief Adds new shader definition option.
75 * If the option is already added, nothin is changed.
77 * @param[in] shaderOptionType Option to be added,
79 void AddOption(Type shaderOptionType);
82 * Adds macro definitions for joints based on the number of joint sets.
84 void AddJointMacros(size_t numberOfJointSets);
87 * Enables empty preprocessor definitions to be defined to a value
89 void AddMacroDefinition(std::string macro, std::string definition);
92 * @brief Retrieves current shader option hash
94 * @return Hash value of currently added options.
96 uint64_t GetOptionHash() const;
99 * @brief Retrieves a list of define keywords.
101 * @param[out] defines A list of define keywords those are used in this option.
103 void GetDefines(std::vector<std::string>& defines) const;
106 * @brief Retrieves a single shader define keyword of input type.
108 * @param[in] shaderOptionType Shader definition option type to know its keyword.
109 * @return string keyword of shader define.
111 static std::string_view GetDefineKeyword(Type shaderOptionType);
114 * Get any macro definitions
116 const std::vector<MacroDefinition>& GetMacroDefinitions() const;
119 uint64_t mOptionHash{0u};
121 std::vector<MacroDefinition> mMacros;
124 } // namespace Dali::Scene3D::Loader
126 #endif // DALI_SCENE3D_LOADER_SHADER_OPTION_H_