blob: 4dfd1c1b07713ff170fb9d18f708129d71a75c38 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrIndexBuffer_DEFINED
#define GrIndexBuffer_DEFINED
#include "GrGeometryBuffer.h"
class GrIndexBuffer : public GrGeometryBuffer {
public:
/**
* Retrieves the maximum number of quads that could be rendered
* from the index buffer (using kTriangles_GrPrimitiveType).
* @return the maximum number of quads using full size of index buffer.
*/
int maxQuads() const {
return static_cast<int>(this->gpuMemorySize() / (sizeof(uint16_t) * 6));
}
protected:
GrIndexBuffer(GrGpu* gpu, size_t gpuMemorySize, bool dynamic, bool cpuBacked)
: INHERITED(gpu, gpuMemorySize, dynamic, cpuBacked) {}
private:
typedef GrGeometryBuffer INHERITED;
};
#endif
|