1 #ifndef DALI_INTERNAL_SHADER_H
2 #define DALI_INTERNAL_SHADER_H
5 * Copyright (c) 2021 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/internal/common/shader-data.h> // ShaderPtr
23 #include <dali/internal/event/common/object-connector.h> // Dali::Internal::ObjectConnector
24 #include <dali/internal/event/common/object-impl.h> // Dali::Internal::Object
25 #include <dali/public-api/common/dali-common.h> // DALI_ASSERT_ALWAYS
26 #include <dali/public-api/common/intrusive-ptr.h> // Dali::IntrusivePtr
27 #include <dali/public-api/rendering/shader.h> // Dali::Shader
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
49 * @copydoc Dali::Shader::New()
51 static ShaderPtr New(std::string_view vertexShader,
52 std::string_view fragmentShader,
53 Dali::Shader::Hint::Value hints);
56 * Retrieve the scene-graph shader added by this object.
57 * @return A pointer to the shader.
59 const SceneGraph::Shader& GetShaderSceneObject() const;
61 public: // Default property extensions from Object
63 * @copydoc Dali::Internal::Object::SetDefaultProperty()
65 void SetDefaultProperty(Property::Index index, const Property::Value& propertyValue) override;
68 * @copydoc Dali::Internal::Object::GetDefaultProperty()
70 Property::Value GetDefaultProperty(Property::Index index) const override;
73 * @copydoc Dali::Internal::Object::GetDefaultPropertyCurrentValue()
75 Property::Value GetDefaultPropertyCurrentValue(Property::Index index) const override;
77 private: // implementation
81 * @param sceneObject the scene object
83 Shader(const SceneGraph::Shader* sceneObject);
86 * Second stage initialization
88 void SetShader(std::string_view vertexShader, std::string_view fragmentShader, Dali::Shader::Hint::Value hints);
92 * A reference counted object may only be deleted by calling Unreference()
96 private: // unimplemented methods
98 Shader(const Shader&) = delete;
99 Shader& operator=(const Shader&) = delete;
102 Internal::ShaderDataPtr mShaderData;
106 * @copydoc Dali::Shader::GetShaderVersionPrefix()
108 static std::string GetShaderVersionPrefix();
111 * @copydoc Dali::Shader::GetVertexShaderPrefix()
113 static std::string GetVertexShaderPrefix();
116 * @copydoc Dali::Shader::GetFragmentShaderPrefix()
118 static std::string GetFragmentShaderPrefix();
121 } // namespace Internal
123 // Helpers for public-api forwarding methods
124 inline Internal::Shader& GetImplementation(Dali::Shader& handle)
126 DALI_ASSERT_ALWAYS(handle && "Shader handle is empty");
128 BaseObject& object = handle.GetBaseObject();
130 return static_cast<Internal::Shader&>(object);
133 inline const Internal::Shader& GetImplementation(const Dali::Shader& handle)
135 DALI_ASSERT_ALWAYS(handle && "Shader handle is empty");
137 const BaseObject& object = handle.GetBaseObject();
139 return static_cast<const Internal::Shader&>(object);
144 #endif // DALI_INTERNAL_SHADER_H