1
2/*
3 * Copyright 2010 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10
11#ifndef GrIndexBuffer_DEFINED
12#define GrIndexBuffer_DEFINED
13
14#include "GrGeometryBuffer.h"
15
16class GrIndexBuffer : public GrGeometryBuffer {
17public:
18        /**
19         * Retrieves the maximum number of quads that could be rendered
20         * from the index buffer (using kTriangles_PrimitiveType).
21         * @return the maximum number of quads using full size of index buffer.
22         */
23        int maxQuads() const {
24            return this->sizeInBytes() / (sizeof(uint16_t) * 6);
25        }
26protected:
27    GrIndexBuffer(GrGpu* gpu, size_t sizeInBytes, bool dynamic)
28        : INHERITED(gpu, sizeInBytes, dynamic) {}
29private:
30    typedef GrGeometryBuffer INHERITED;
31};
32
33#endif
34