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//
// Copyright 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.
//
// BufferD3D.h: Defines the rx::BufferD3D class, an implementation of BufferImpl.
#ifndef LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
#define LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
#include "libANGLE/angletypes.h"
#include "libANGLE/renderer/BufferImpl.h"
#include <stdint.h>
#include <vector>
namespace rx
{
class BufferFactoryD3D;
class StaticIndexBufferInterface;
class StaticVertexBufferInterface;
enum class D3DBufferUsage
{
STATIC,
DYNAMIC,
};
class BufferD3D : public BufferImpl
{
public:
BufferD3D(BufferFactoryD3D *factory);
virtual ~BufferD3D();
unsigned int getSerial() const { return mSerial; }
virtual size_t getSize() const = 0;
virtual bool supportsDirectBinding() const = 0;
virtual gl::Error markTransformFeedbackUsage() = 0;
virtual gl::Error getData(const uint8_t **outData) = 0;
StaticVertexBufferInterface *getStaticVertexBuffer(const gl::VertexAttribute &attribute);
StaticIndexBufferInterface *getStaticIndexBuffer();
virtual void initializeStaticData();
virtual void invalidateStaticData();
void promoteStaticUsage(int dataSize);
gl::Error getIndexRange(GLenum type,
size_t offset,
size_t count,
bool primitiveRestartEnabled,
gl::IndexRange *outRange) override;
BufferFactoryD3D *getFactory() const { return mFactory; }
D3DBufferUsage getUsage() const { return mUsage; }
protected:
void updateSerial();
void updateD3DBufferUsage(GLenum usage);
void emptyStaticBufferCache();
BufferFactoryD3D *mFactory;
unsigned int mSerial;
static unsigned int mNextSerial;
std::vector<std::unique_ptr<StaticVertexBufferInterface>> mStaticVertexBuffers;
StaticIndexBufferInterface *mStaticIndexBuffer;
unsigned int mStaticBufferCacheTotalSize;
unsigned int mStaticVertexBufferOutOfDate;
unsigned int mUnmodifiedDataUse;
D3DBufferUsage mUsage;
};
}
#endif // LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
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