1 /* 2 * Copyright (C) 2011 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef LoopBlinnShader_h 27 #define LoopBlinnShader_h 28 29 #include "Shader.h" 30 31 namespace WebCore { 32 33 class GraphicsContext3D; 34 35 class LoopBlinnShader : public Shader { 36 public: 37 enum Region { 38 Interior, 39 Exterior 40 }; 41 42 protected: 43 LoopBlinnShader(GraphicsContext3D*, unsigned program); 44 45 // This assumes the vertices and klm coordinates are stored in the 46 // same, currently bound, buffer object, contiguously and at the 47 // specified offsets. 48 void use(unsigned vertexOffset, unsigned klmOffset, const AffineTransform&); 49 50 private: 51 int m_worldViewProjectionLocation; 52 int m_positionLocation; 53 int m_klmLocation; 54 }; 55 56 } // namespace WebCore 57 58 #endif // LoopBlinnShader_h 59