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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/IndexRangeCache.h')
-rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/IndexRangeCache.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/IndexRangeCache.h b/src/3rdparty/angle/src/libANGLE/renderer/IndexRangeCache.h new file mode 100644 index 0000000000..77249f5ff6 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/IndexRangeCache.h @@ -0,0 +1,53 @@ +// +// 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 rx::IndexRangeCache class which stores information about +// ranges of indices. + +#ifndef LIBANGLE_RENDERER_INDEXRANGECACHE_H_ +#define LIBANGLE_RENDERER_INDEXRANGECACHE_H_ + +#include "common/angleutils.h" +#include "common/mathutil.h" + +#include "angle_gl.h" + +#include <map> + +namespace rx +{ + +class IndexRangeCache +{ + public: + void addRange(GLenum type, unsigned int offset, GLsizei count, const RangeUI &range); + bool findRange(GLenum type, unsigned int offset, GLsizei count, RangeUI *rangeOut) const; + + void invalidateRange(unsigned int offset, unsigned int size); + void clear(); + + static RangeUI ComputeRange(GLenum type, const GLvoid *indices, GLsizei count); + + private: + struct IndexRange + { + GLenum type; + unsigned int offset; + GLsizei count; + + IndexRange(); + IndexRange(GLenum type, intptr_t offset, GLsizei count); + + bool operator<(const IndexRange& rhs) const; + }; + + typedef std::map<IndexRange, RangeUI> IndexRangeMap; + IndexRangeMap mIndexRangeCache; +}; + +} + +#endif // LIBANGLE_RENDERER_INDEXRANGECACHE_H_ |