kc3-lang/angle/src/libANGLE/renderer/IndexRangeCache.h

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• Author : Geoff Lang
  Date : 2014-11-19 16:18:08
  Hash : 0a73dd85
  Message : Fix include guards. BUG=angle:733 Change-Id: I08b2c11c4831f1161c178c1842b10e807185aced Reviewed-on: https://chromium-review.googlesource.com/230831 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/IndexRangeCache.h

• //
  // 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,
                    unsigned int streamOffset);
      bool findRange(GLenum type, unsigned int offset, GLsizei count, RangeUI *rangeOut,
                     unsigned int *outStreamOffset) 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;
      };
  
      struct IndexBounds
      {
          RangeUI range;
          unsigned int streamOffset;
  
          IndexBounds();
          IndexBounds(const RangeUI &range, unsigned int offset);
      };
  
      typedef std::map<IndexRange, IndexBounds> IndexRangeMap;
      IndexRangeMap mIndexRangeCache;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_INDEXRANGECACHE_H_