1 /* 2 * Copyright (C) 2010, Google Inc. All rights reserved. 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef LayerTexture_h 26 #define LayerTexture_h 27 28 #include "IntSize.h" 29 #include "TextureManager.h" 30 31 #include <wtf/FastAllocBase.h> 32 #include <wtf/Noncopyable.h> 33 #include <wtf/PassOwnPtr.h> 34 #include <wtf/RefPtr.h> 35 36 namespace WebCore { 37 38 class GraphicsContext3D; 39 class TextureManager; 40 41 class LayerTexture { 42 WTF_MAKE_NONCOPYABLE(LayerTexture); WTF_MAKE_FAST_ALLOCATED; 43 public: 44 static PassOwnPtr<LayerTexture> create(GraphicsContext3D* context, TextureManager* manager) 45 { 46 return adoptPtr(new LayerTexture(context, manager)); 47 } 48 ~LayerTexture(); 49 50 bool isValid(const IntSize&, unsigned format); 51 bool reserve(const IntSize&, unsigned format); 52 bool isReserved() 53 { 54 ASSERT(m_textureManager); 55 return m_textureManager->isProtected(m_token); 56 } 57 58 void bindTexture(); 59 void framebufferTexture2D(); 60 61 private: 62 LayerTexture(GraphicsContext3D*, TextureManager*); 63 64 RefPtr<GraphicsContext3D> m_context; 65 TextureManager* m_textureManager; 66 TextureToken m_token; 67 IntSize m_size; 68 unsigned m_format; 69 unsigned m_textureId; 70 }; 71 72 } 73 74 #endif 75 76
