| OLD | NEW |
| 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 | |
| 17 class GrIndexBuffer : public GrGeometryBuffer { | 16 class GrIndexBuffer : public GrGeometryBuffer { |
| 18 public: | 17 public: |
| 19 static void ComputeScratchKey(size_t size, bool dynamic, GrScratchKey* key)
{ | |
| 20 static const GrScratchKey::ResourceType kType = GrScratchKey::GenerateRe
sourceType(); | |
| 21 | |
| 22 GrScratchKey::Builder builder(key, kType, 2); | |
| 23 | |
| 24 builder[0] = SkToUInt(size); | |
| 25 builder[1] = dynamic ? 1 : 0; | |
| 26 } | |
| 27 | |
| 28 /** | 18 /** |
| 29 * Retrieves the maximum number of quads that could be rendered | 19 * Retrieves the maximum number of quads that could be rendered |
| 30 * from the index buffer (using kTriangles_GrPrimitiveType). | 20 * from the index buffer (using kTriangles_GrPrimitiveType). |
| 31 * @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. |
| 32 */ | 22 */ |
| 33 int maxQuads() const { | 23 int maxQuads() const { |
| 34 return static_cast<int>(this->gpuMemorySize() / (sizeof(uint16_t) * 6)); | 24 return static_cast<int>(this->gpuMemorySize() / (sizeof(uint16_t) * 6)); |
| 35 } | 25 } |
| 36 protected: | 26 protected: |
| 37 GrIndexBuffer(GrGpu* gpu, size_t gpuMemorySize, bool dynamic, bool cpuBacked
) | 27 GrIndexBuffer(GrGpu* gpu, size_t gpuMemorySize, bool dynamic, bool cpuBacked
) |
| 38 : INHERITED(gpu, gpuMemorySize, dynamic, cpuBacked) { | 28 : INHERITED(gpu, gpuMemorySize, dynamic, cpuBacked) {} |
| 39 GrScratchKey key; | |
| 40 ComputeScratchKey(gpuMemorySize, dynamic, &key); | |
| 41 this->setScratchKey(key); | |
| 42 } | |
| 43 | |
| 44 private: | 29 private: |
| 45 typedef GrGeometryBuffer INHERITED; | 30 typedef GrGeometryBuffer INHERITED; |
| 46 }; | 31 }; |
| 47 | 32 |
| 48 #endif | 33 #endif |
| OLD | NEW |