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//
// Copyright (c) 2002-2012 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.
//
// IndexDataManager.h: Defines the IndexDataManager, a class that
// runs the Buffer translation process for index buffers.
#ifndef LIBGLESV2_INDEXDATAMANAGER_H_
#define LIBGLESV2_INDEXDATAMANAGER_H_
#include "common/angleutils.h"
namespace
{
enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) };
}
namespace gl
{
class Buffer;
}
namespace rx
{
class StaticIndexBufferInterface;
class StreamingIndexBufferInterface;
class IndexBuffer;
class BufferD3D;
class Renderer;
struct TranslatedIndexData
{
unsigned int minIndex;
unsigned int maxIndex;
unsigned int startIndex;
unsigned int startOffset; // In bytes
IndexBuffer *indexBuffer;
BufferD3D *storage;
unsigned int serial;
};
class IndexDataManager
{
public:
explicit IndexDataManager(Renderer *renderer);
virtual ~IndexDataManager();
GLenum prepareIndexData(GLenum type, GLsizei count, gl::Buffer *arrayElementBuffer, const GLvoid *indices, TranslatedIndexData *translated);
StaticIndexBufferInterface *getCountingIndices(GLsizei count);
private:
DISALLOW_COPY_AND_ASSIGN(IndexDataManager);
Renderer *const mRenderer;
StreamingIndexBufferInterface *mStreamingBufferShort;
StreamingIndexBufferInterface *mStreamingBufferInt;
StaticIndexBufferInterface *mCountingBuffer;
};
}
#endif // LIBGLESV2_INDEXDATAMANAGER_H_
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