| // |
| // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // IndexRangeCache.h: Defines the gl::IndexRangeCache class which stores information about |
| // ranges of indices. |
| |
| #ifndef LIBANGLE_INDEXRANGECACHE_H_ |
| #define LIBANGLE_INDEXRANGECACHE_H_ |
| |
| #include "common/angleutils.h" |
| #include "common/mathutil.h" |
| |
| #include "angle_gl.h" |
| |
| #include <map> |
| |
| namespace gl |
| { |
| |
| class IndexRangeCache |
| { |
| public: |
| void addRange(GLenum type, |
| size_t offset, |
| size_t count, |
| bool primitiveRestartEnabled, |
| const IndexRange &range); |
| bool findRange(GLenum type, |
| size_t offset, |
| size_t count, |
| bool primitiveRestartEnabled, |
| IndexRange *outRange) const; |
| |
| void invalidateRange(size_t offset, size_t size); |
| void clear(); |
| |
| private: |
| struct IndexRangeKey |
| { |
| IndexRangeKey(); |
| IndexRangeKey(GLenum type, size_t offset, size_t count, bool primitiveRestart); |
| |
| bool operator<(const IndexRangeKey &rhs) const; |
| |
| GLenum type; |
| size_t offset; |
| size_t count; |
| bool primitiveRestartEnabled; |
| }; |
| |
| typedef std::map<IndexRangeKey, IndexRange> IndexRangeMap; |
| IndexRangeMap mIndexRangeCache; |
| }; |
| |
| } |
| |
| #endif // LIBANGLE_INDEXRANGECACHE_H_ |