michael@0: 
michael@0: /*
michael@0:  * Copyright 2010 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: 
michael@0: #ifndef GrIndexBuffer_DEFINED
michael@0: #define GrIndexBuffer_DEFINED
michael@0: 
michael@0: #include "GrGeometryBuffer.h"
michael@0: 
michael@0: class GrIndexBuffer : public GrGeometryBuffer {
michael@0: public:
michael@0:     /**
michael@0:      * Retrieves the maximum number of quads that could be rendered
michael@0:      * from the index buffer (using kTriangles_GrPrimitiveType).
michael@0:      * @return the maximum number of quads using full size of index buffer.
michael@0:      */
michael@0:     int maxQuads() const {
michael@0:         return static_cast<int>(this->sizeInBytes() / (sizeof(uint16_t) * 6));
michael@0:     }
michael@0: protected:
michael@0:     GrIndexBuffer(GrGpu* gpu, bool isWrapped, size_t sizeInBytes, bool dynamic, bool cpuBacked)
michael@0:         : INHERITED(gpu, isWrapped, sizeInBytes, dynamic, cpuBacked) {}
michael@0: private:
michael@0:     typedef GrGeometryBuffer INHERITED;
michael@0: };
michael@0: 
michael@0: #endif