1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/gfx/skia/trunk/src/gpu/GrIndexBuffer.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,33 @@ 1.4 + 1.5 +/* 1.6 + * Copyright 2010 Google Inc. 1.7 + * 1.8 + * Use of this source code is governed by a BSD-style license that can be 1.9 + * found in the LICENSE file. 1.10 + */ 1.11 + 1.12 + 1.13 + 1.14 +#ifndef GrIndexBuffer_DEFINED 1.15 +#define GrIndexBuffer_DEFINED 1.16 + 1.17 +#include "GrGeometryBuffer.h" 1.18 + 1.19 +class GrIndexBuffer : public GrGeometryBuffer { 1.20 +public: 1.21 + /** 1.22 + * Retrieves the maximum number of quads that could be rendered 1.23 + * from the index buffer (using kTriangles_GrPrimitiveType). 1.24 + * @return the maximum number of quads using full size of index buffer. 1.25 + */ 1.26 + int maxQuads() const { 1.27 + return static_cast<int>(this->sizeInBytes() / (sizeof(uint16_t) * 6)); 1.28 + } 1.29 +protected: 1.30 + GrIndexBuffer(GrGpu* gpu, bool isWrapped, size_t sizeInBytes, bool dynamic, bool cpuBacked) 1.31 + : INHERITED(gpu, isWrapped, sizeInBytes, dynamic, cpuBacked) {} 1.32 +private: 1.33 + typedef GrGeometryBuffer INHERITED; 1.34 +}; 1.35 + 1.36 +#endif