61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
//
|
|
// 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_
|