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;
40 } // namespace Integration
43 * @brief The position and size of the render surface.
45 typedef Dali::Rect<int> PositionSize;
48 * @brief Interface for a render surface onto which Dali draws.
50 * Dali::Adaptor requires a render surface to draw on to. This is
51 * usually a window in the native windowing system, or some other
52 * mapped pixel buffer.
54 * Dali::Application will automatically create a render surface using a window.
56 * The implementation of the factory method below should choose an appropriate
57 * implementation of RenderSurface for the given platform
66 * Inlined as this is a pure abstract interface
71 * @brief Virtual Destructor.
72 * Inlined as this is a pure abstract interface
74 virtual ~RenderSurface() {}
77 * @brief Return the size and position of the surface.
78 * @return The position and size
80 virtual PositionSize GetPositionSize() const = 0;
83 * Initialize EGL, RenderSurface should create egl display and initialize
84 * @param egl implementation to use for the creation
86 virtual void InitializeEgl( EglInterface& egl ) = 0;
89 * @brief Creates EGL Surface
90 * @param egl implementation to use for the creation
92 virtual void CreateEglSurface( EglInterface& egl ) = 0;
95 * @brief Destroys EGL Surface
96 * @param egl implementation to use for the destruction
98 virtual void DestroyEglSurface( EglInterface& egl ) = 0;
101 * @brief Replace the EGL Surface
102 * @param egl implementation to use for the creation
103 * @return true if context was lost
105 virtual bool ReplaceEGLSurface( EglInterface& egl ) = 0;
108 * @brief Resizes the underlying surface. Only available for x window
110 virtual void MoveResize( Dali::PositionSize positionSize ) = 0;
113 * @brief Set the stereoscopic 3D view mode
114 * @param[in] viewMode The new view mode
116 virtual void SetViewMode( ViewMode viewMode ) = 0;
119 * @brief Called when Render thread has started
121 virtual void StartRender() = 0;
124 * @brief Invoked by render thread before Core::Render
125 * If the operation fails, then Core::Render should not be called until there is
126 * a surface to render onto.
127 * @param[in] egl The Egl interface
128 * @param[in] glAbstraction OpenGLES abstraction interface
129 * @return True if the operation is successful, False if the operation failed
131 virtual bool PreRender( EglInterface& egl, Integration::GlAbstraction& glAbstraction ) = 0;
134 * @brief Invoked by render thread after Core::Render
135 * @param[in] egl The Egl interface
136 * @param[in] glAbstraction OpenGLES abstraction interface
137 * @param[in] displayConnection display connection
138 * @param[in] replacingSurface True if the surface is being replaced.
140 virtual void PostRender( EglInterface& egl, Integration::GlAbstraction& glAbstraction, DisplayConnection* displayConnection, bool replacingSurface ) = 0;
143 * @brief Invoked by render thread when the thread should be stop
145 virtual void StopRender() = 0;
148 * @brief Invoked by Event Thread when the compositor lock should be released and rendering should resume.
150 virtual void ReleaseLock() = 0;
155 * @brief Undefined copy constructor. RenderSurface cannot be copied
157 RenderSurface( const RenderSurface& rhs );
160 * @brief Undefined assignment operator. RenderSurface cannot be copied
162 RenderSurface& operator=( const RenderSurface& rhs );
167 #endif // __DALI_RENDER_SURFACE_H__