The Tor Browser / file comparison
comparison: gfx/angle/src/libGLESv2/renderer/IndexRangeCache.h
gfx/angle/src/libGLESv2/renderer/IndexRangeCache.h
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
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| -1:000000000000 | 0:3ba8ad7dd022 |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 // IndexRangeCache.h: Defines the rx::IndexRangeCache class which stores information about | |
| 8 // ranges of indices. | |
| 9 | |
| 10 #ifndef LIBGLESV2_RENDERER_INDEXRANGECACHE_H_ | |
| 11 #define LIBGLESV2_RENDERER_INDEXRANGECACHE_H_ | |
| 12 | |
| 13 #include "common/angleutils.h" | |
| 14 | |
| 15 namespace rx | |
| 16 { | |
| 17 | |
| 18 class IndexRangeCache | |
| 19 { | |
| 20 public: | |
| 21 void addRange(GLenum type, intptr_t offset, GLsizei count, unsigned int minIdx, unsigned int maxIdx, | |
| 22 unsigned int streamOffset); | |
| 23 bool findRange(GLenum type, intptr_t offset, GLsizei count, unsigned int *outMinIndex, | |
| 24 unsigned int *outMaxIndex, unsigned int *outStreamOffset) const; | |
| 25 | |
| 26 void invalidateRange(unsigned int offset, unsigned int size); | |
| 27 void clear(); | |
| 28 | |
| 29 private: | |
| 30 struct IndexRange | |
| 31 { | |
| 32 GLenum type; | |
| 33 intptr_t offset; | |
| 34 GLsizei count; | |
| 35 | |
| 36 IndexRange(); | |
| 37 IndexRange(GLenum type, intptr_t offset, GLsizei count); | |
| 38 | |
| 39 bool operator<(const IndexRange& rhs) const; | |
| 40 }; | |
| 41 | |
| 42 struct IndexBounds | |
| 43 { | |
| 44 unsigned int minIndex; | |
| 45 unsigned int maxIndex; | |
| 46 unsigned int streamOffset; | |
| 47 | |
| 48 IndexBounds(); | |
| 49 IndexBounds(unsigned int minIdx, unsigned int maxIdx, unsigned int offset); | |
| 50 }; | |
| 51 | |
| 52 typedef std::map<IndexRange, IndexBounds> IndexRangeMap; | |
| 53 IndexRangeMap mIndexRangeCache; | |
| 54 }; | |
| 55 | |
| 56 } | |
| 57 | |
| 58 #endif LIBGLESV2_RENDERER_INDEXRANGECACHE_H |
