Hash :
c9e69b19
Author :
Date :
2014-09-08T16:06:25
Updated the index buffer classes to use Error objects. BUG=angle:520 Change-Id: Ifc249058a3ed3ffffe163a9e3ec21d6fc8c75bd0 Reviewed-on: https://chromium-review.googlesource.com/217101 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>
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//
// Copyright (c) 2002-2014 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"
#include "common/mathutil.h"
#include "libGLESv2/Error.h"
#include <GLES2/gl2.h>
namespace
{
enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) };
}
namespace gl
{
class Buffer;
}
namespace rx
{
class IndexBufferInterface;
class StaticIndexBufferInterface;
class StreamingIndexBufferInterface;
class IndexBuffer;
class BufferD3D;
class Renderer;
struct TranslatedIndexData
{
RangeUI indexRange;
unsigned int startIndex;
unsigned int startOffset; // In bytes
IndexBuffer *indexBuffer;
BufferD3D *storage;
GLenum indexType;
unsigned int serial;
};
class IndexDataManager
{
public:
explicit IndexDataManager(Renderer *renderer);
virtual ~IndexDataManager();
gl::Error prepareIndexData(GLenum type, GLsizei count, gl::Buffer *arrayElementBuffer, const GLvoid *indices, TranslatedIndexData *translated);
private:
gl::Error getStreamingIndexBuffer(GLenum destinationIndexType, IndexBufferInterface **outBuffer);
DISALLOW_COPY_AND_ASSIGN(IndexDataManager);
Renderer *const mRenderer;
StreamingIndexBufferInterface *mStreamingBufferShort;
StreamingIndexBufferInterface *mStreamingBufferInt;
};
}
#endif // LIBGLESV2_INDEXDATAMANAGER_H_