1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef _LIBRENDER_WINDOWSURFACE_H 17 #define _LIBRENDER_WINDOWSURFACE_H 18 19 #include "ColorBuffer.h" 20 #include "RenderContext.h" 21 #include "FBConfig.h" 22 #include "SmartPtr.h" 23 #include "FixedBuffer.h" 24 #include <EGL/egl.h> 25 #include <GLES/gl.h> 26 27 enum SurfaceBindType { 28 SURFACE_BIND_READ, 29 SURFACE_BIND_DRAW, 30 SURFACE_BIND_READDRAW 31 }; 32 33 class WindowSurface 34 { 35 public: 36 static WindowSurface *create(int p_config, int p_width, int p_height); 37 ~WindowSurface(); 38 EGLSurface getEGLSurface() const { return m_eglSurface; } 39 40 void setColorBuffer(ColorBufferPtr p_colorBuffer); 41 void flushColorBuffer(); 42 void bind(RenderContextPtr p_ctx, SurfaceBindType p_bindType); 43 44 private: 45 WindowSurface(); 46 47 void copyToColorBuffer(); // copy pbuffer content with readback+download 48 void blitToColorBuffer(); // copy pbuffer content with texload and blit 49 bool resizePbuffer(unsigned int p_width, unsigned int p_height); 50 51 private: 52 GLuint m_fbObj; // GLES Framebuffer object (when EGLimage is used) 53 GLuint m_depthRB; 54 GLuint m_stencilRB; 55 EGLSurface m_eglSurface; 56 ColorBufferPtr m_attachedColorBuffer; 57 RenderContextPtr m_readContext; 58 RenderContextPtr m_drawContext; 59 GLuint m_width; 60 GLuint m_height; 61 GLuint m_pbufWidth; 62 GLuint m_pbufHeight; 63 bool m_useEGLImage; 64 bool m_useBindToTexture; 65 FixedBuffer m_xferBuffer; 66 FixedBuffer m_xUpdateBuf; 67 const FBConfig *m_fbconf; 68 }; 69 70 typedef SmartPtr<WindowSurface> WindowSurfacePtr; 71 72 #endif 73
