1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef GaneshContext_h 27 #define GaneshContext_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #include "BaseRenderer.h" 32 #include "GrContext.h" 33 #include "SkGpuDevice.h" 34 #include "TilesManager.h" 35 36 namespace WebCore { 37 38 class GaneshContext { 39 public: 40 static GaneshContext* instance(); 41 42 SkDevice* getDeviceForBaseTile(const TileRenderInfo& renderInfo); 43 44 void flush(); 45 46 private: 47 48 GaneshContext(); 49 50 GrContext* getGrContext(); 51 52 // Creates a device for rendering into a SurfaceTexture via an EGLSurface 53 SkDevice* getDeviceForBaseTileSurface(const TileRenderInfo& renderInfo); 54 // Creates a device for rendering into a EGLImage via an FBO 55 SkDevice* getDeviceForBaseTileFBO(const TileRenderInfo& renderInfo); 56 57 GrContext* m_grContext; 58 59 // FBO specific variables 60 SkGpuDevice* m_baseTileDeviceFBO; 61 GLuint m_baseTileFBO; 62 GLuint m_baseTileStencil; 63 64 // Surface specific variables 65 SkGpuDevice* m_baseTileDeviceSurface; 66 EGLConfig m_surfaceConfig; 67 EGLContext m_surfaceContext; 68 69 static GaneshContext* gInstance; 70 }; 71 72 } // namespace WebCore 73 74 #endif // USE(ACCELERATED_COMPOSITING) 75 #endif // GaneshContext_h 76
