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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef Texture_h 32 #define Texture_h 33 34 #include "TilingData.h" 35 #include <wtf/OwnPtr.h> 36 #include <wtf/PassOwnPtr.h> 37 #include <wtf/RefCounted.h> 38 #include <wtf/RefPtr.h> 39 #include <wtf/Vector.h> 40 41 namespace WebCore { 42 class GraphicsContext3D; 43 44 class IntRect; 45 46 class Texture : public RefCounted<Texture> { 47 public: 48 ~Texture(); 49 enum Format { RGBA8, BGRA8 }; 50 static PassRefPtr<Texture> create(GraphicsContext3D*, Format, int width, int height); 51 void bindTile(int tile); 52 void load(void* pixels); 53 void updateSubRect(void* pixels, const IntRect&); format()54 Format format() const { return m_format; } tiles()55 const TilingData& tiles() const { return m_tiles; } 56 private: 57 Texture(GraphicsContext3D*, PassOwnPtr<Vector<unsigned int> > tileTextureIds, Format format, int width, int height, int maxTextureSize); 58 GraphicsContext3D* m_context; 59 Format m_format; 60 TilingData m_tiles; 61 OwnPtr<Vector<unsigned int> > m_tileTextureIds; 62 }; 63 64 } 65 66 #endif // Texture_h 67