1 #ifndef DALI_INTERNAL_RENDER_SURFACE_FRAME_BUFFER_H
2 #define DALI_INTERNAL_RENDER_SURFACE_FRAME_BUFFER_H
5 * Copyright (c) 2019 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.
24 #include <dali/internal/update/manager/update-manager.h>
25 #include <dali/internal/render/renderers/render-frame-buffer.h>
26 #include <dali/integration-api/render-surface.h>
39 class SurfaceFrameBuffer : public FrameBuffer
45 * @param[in] surface The render surface
47 SurfaceFrameBuffer( Integration::RenderSurface* surface );
52 virtual ~SurfaceFrameBuffer();
55 * @copydoc Dali::Internal::Renderer::FrameBuffer::Initialize()
57 void Initialize( Context& context ) override;
60 * @copydoc Dali::Internal::Renderer::FrameBuffer::Destroy()
62 void Destroy( Context& context ) override;
65 * @copydoc Dali::Internal::Renderer::FrameBuffer::GlContextDestroyed()
67 void GlContextDestroyed() override;
70 * @copydoc Dali::Internal::Renderer::FrameBuffer::Bind()
72 void Bind( Context& context ) override;
75 * @copydoc Dali::Internal::Renderer::FrameBuffer::GetWidth()
77 uint32_t GetWidth() const override;
80 * @copydoc Dali::Internal::Renderer::FrameBuffer::GetHeight()
82 uint32_t GetHeight() const override;
85 * @copydoc Dali::Internal::Renderer::FrameBuffer::IsSurfaceBacked()
87 bool IsSurfaceBacked() override { return true; };
90 * @brief Sets the frame buffer size.
91 * @param[in] width The width size
92 * @param[in] height The height size
94 void SetSize( uint32_t width, uint32_t height );
97 * @brief Sets the background color.
98 * @param[in] color The new background color
100 void SetBackgroundColor( const Vector4& color );
103 * @copydoc Dali::Internal::FrameBuffer::MarkSurfaceAsInvalid()
105 void MarkSurfaceAsInvalid() { mIsSurfaceInvalid = true; };
110 * Called after this frame buffer is rendered in the render manager
115 * Gets the context holding the GL state of rendering for the surface
116 * @return the context
118 Context* GetContext();
121 * @brief Makes the graphics context current
123 void MakeContextCurrent();
126 * @brief Gets whether the depth buffer is required
127 * @return TRUE if the depth buffer is required
129 Integration::DepthBufferAvailable GetDepthBufferRequired();
132 * @brief Gets whether the stencil buffer is required
133 * @return TRUE if the stencil buffer is required
135 Integration::StencilBufferAvailable GetStencilBufferRequired();
138 * @brief Gets the background color of the surface.
139 * @return The background color
141 Vector4 GetBackgroundColor();
145 Integration::RenderSurface* mSurface; ///< The render surface
146 Context* mContext; ///< The context holding the GL state of rendering for the surface backed frame buffer
150 Vector4 mBackgroundColor;
152 std::atomic<bool> mIsSurfaceInvalid; ///< This is set only from the event thread and read only from the render thread
155 // Messages for FrameBuffer
156 inline void SetFrameBufferSizeMessage( SceneGraph::UpdateManager& updateManager, SurfaceFrameBuffer* surfaceFrameBuffer, uint32_t width, uint32_t height )
158 typedef MessageValue2< SurfaceFrameBuffer, uint32_t, uint32_t > LocalType;
160 // Reserve some memory inside the message queue
161 uint32_t* slot = updateManager.ReserveMessageSlot( sizeof( LocalType ) );
163 // Construct message in the message queue memory; note that delete should not be called on the return value
164 new (slot) LocalType( surfaceFrameBuffer, &SurfaceFrameBuffer::SetSize, width, height );
167 inline void SetFrameBufferBackgroundColorMessage( SceneGraph::UpdateManager& updateManager, SurfaceFrameBuffer* surfaceFrameBuffer, const Vector4& color )
169 typedef MessageValue1< SurfaceFrameBuffer, Vector4 > LocalType;
171 // Reserve some memory inside the message queue
172 uint32_t* slot = updateManager.ReserveMessageSlot( sizeof( LocalType ) );
174 // Construct message in the message queue memory; note that delete should not be called on the return value
175 new (slot) LocalType( surfaceFrameBuffer, &SurfaceFrameBuffer::SetBackgroundColor, color );
178 } // namespace Render
180 } // namespace Internal
185 #endif // DALI_INTERNAL_RENDER_SURFACE_FRAME_BUFFER_H