1 #ifndef DALI_INTERNAL_SHADER_H
2 #define DALI_INTERNAL_SHADER_H
5 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/common/dali-common.h> // DALI_ASSERT_ALWAYS
23 #include <dali/public-api/common/intrusive-ptr.h> // Dali::IntrusivePtr
24 #include <dali/public-api/rendering/shader.h> // Dali::Shader
25 #include <dali/internal/event/common/object-connector.h> // Dali::Internal::ObjectConnector
26 #include <dali/internal/event/common/object-impl.h> // Dali::Internal::Object
27 #include <dali/internal/common/shader-data.h> // ShaderPtr
39 using ShaderPtr = IntrusivePtr<Shader>;
42 * Shader is an object that contains an array of structures of values that
43 * can be accessed as properties.
45 class Shader : public Object
50 * @copydoc Dali::Shader::New()
52 static ShaderPtr New( std::string_view vertexShader,
53 std::string_view fragmentShader,
54 Dali::Shader::Hint::Value hints );
57 * Retrieve the scene-graph shader added by this object.
58 * @return A pointer to the shader.
60 const SceneGraph::Shader& GetShaderSceneObject() const;
62 public: // Default property extensions from Object
65 * @copydoc Dali::Internal::Object::SetDefaultProperty()
67 void SetDefaultProperty(Property::Index index, const Property::Value& propertyValue) override;
70 * @copydoc Dali::Internal::Object::GetDefaultProperty()
72 Property::Value GetDefaultProperty( Property::Index index ) const override;
75 * @copydoc Dali::Internal::Object::GetDefaultPropertyCurrentValue()
77 Property::Value GetDefaultPropertyCurrentValue( Property::Index index ) const override;
79 private: // implementation
84 * @param sceneObject the scene object
86 Shader( const SceneGraph::Shader* sceneObject );
89 * Second stage initialization
91 void SetShader( std::string_view vertexShader, std::string_view fragmentShader, Dali::Shader::Hint::Value hints );
95 * A reference counted object may only be deleted by calling Unreference()
99 private: // unimplemented methods
102 Shader( const Shader& ) = delete;
103 Shader& operator=( const Shader& ) = delete;
107 Internal::ShaderDataPtr mShaderData;
112 * @copydoc Dali::Shader::GetShaderVersionPrefix()
114 static std::string GetShaderVersionPrefix();
117 * @copydoc Dali::Shader::GetVertexShaderPrefix()
119 static std::string GetVertexShaderPrefix();
122 * @copydoc Dali::Shader::GetFragmentShaderPrefix()
124 static std::string GetFragmentShaderPrefix();
128 } // namespace Internal
130 // Helpers for public-api forwarding methods
131 inline Internal::Shader& GetImplementation( Dali::Shader& handle )
133 DALI_ASSERT_ALWAYS(handle && "Shader handle is empty");
135 BaseObject& object = handle.GetBaseObject();
137 return static_cast<Internal::Shader&>(object);
140 inline const Internal::Shader& GetImplementation( const Dali::Shader& handle )
142 DALI_ASSERT_ALWAYS(handle && "Shader handle is empty");
144 const BaseObject& object = handle.GetBaseObject();
146 return static_cast<const Internal::Shader&>(object);
151 #endif // DALI_INTERNAL_SHADER_H