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