1 #ifndef __DALI_RENDER_SURFACE_H__
2 #define __DALI_RENDER_SURFACE_H__
5 * Copyright (c) 2015 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/math/rect.h>
23 #include <dali/public-api/object/any.h>
24 #include <dali/public-api/common/dali-common.h>
25 #include <dali/public-api/common/view-mode.h>
33 class DisplayConnection;
34 class ThreadSynchronizationInterface;
41 } // namespace Integration
44 * @brief The position and size of the render surface.
46 typedef Dali::Rect<int> PositionSize;
49 * @brief Interface for a render surface onto which Dali draws.
51 * Dali::Adaptor requires a render surface to draw on to. This is
52 * usually a window in the native windowing system, or some other
53 * mapped pixel buffer.
55 * Dali::Application will automatically create a render surface using a window.
57 * The implementation of the factory method below should choose an appropriate
58 * implementation of RenderSurface for the given platform
67 * Inlined as this is a pure abstract interface
72 * @brief Virtual Destructor.
73 * Inlined as this is a pure abstract interface
75 virtual ~RenderSurface() {}
78 * @brief Return the size and position of the surface.
79 * @return The position and size
81 virtual PositionSize GetPositionSize() const = 0;
84 * Initialize EGL, RenderSurface should create egl display and initialize
85 * @param egl implementation to use for the creation
87 virtual void InitializeEgl( EglInterface& egl ) = 0;
90 * @brief Creates EGL Surface
91 * @param egl implementation to use for the creation
93 virtual void CreateEglSurface( EglInterface& egl ) = 0;
96 * @brief Destroys EGL Surface
97 * @param egl implementation to use for the destruction
99 virtual void DestroyEglSurface( EglInterface& egl ) = 0;
102 * @brief Replace the EGL Surface
103 * @param egl implementation to use for the creation
104 * @return true if context was lost
106 virtual bool ReplaceEGLSurface( EglInterface& egl ) = 0;
109 * @brief Resizes the underlying surface. Only available for x window
111 virtual void MoveResize( Dali::PositionSize positionSize ) = 0;
114 * @brief Set the stereoscopic 3D view mode
115 * @param[in] viewMode The new view mode
117 virtual void SetViewMode( ViewMode viewMode ) = 0;
120 * @brief Called when Render thread has started
122 virtual void StartRender() = 0;
125 * @brief Invoked by render thread before Core::Render
126 * If the operation fails, then Core::Render should not be called until there is
127 * a surface to render onto.
128 * @param[in] egl The Egl interface
129 * @param[in] glAbstraction OpenGLES abstraction interface
130 * @return True if the operation is successful, False if the operation failed
132 virtual bool PreRender( EglInterface& egl, Integration::GlAbstraction& glAbstraction ) = 0;
135 * @brief Invoked by render thread after Core::Render
136 * @param[in] egl The Egl interface
137 * @param[in] glAbstraction OpenGLES abstraction interface
138 * @param[in] displayConnection display connection
139 * @param[in] replacingSurface True if the surface is being replaced.
141 virtual void PostRender( EglInterface& egl, Integration::GlAbstraction& glAbstraction, DisplayConnection* displayConnection, bool replacingSurface ) = 0;
144 * @brief Invoked by render thread when the thread should be stop
146 virtual void StopRender() = 0;
149 * @brief Invoked by Event Thread when the compositor lock should be released and rendering should resume.
151 virtual void ReleaseLock() = 0;
154 * @brief Sets the ThreadSynchronizationInterface
156 * @param threadSynchronization The thread-synchronization implementation.
158 virtual void SetThreadSynchronization( ThreadSynchronizationInterface& threadSynchronization ) = 0;
163 * @brief Undefined copy constructor. RenderSurface cannot be copied
165 RenderSurface( const RenderSurface& rhs );
168 * @brief Undefined assignment operator. RenderSurface cannot be copied
170 RenderSurface& operator=( const RenderSurface& rhs );
175 #endif // __DALI_RENDER_SURFACE_H__