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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 D3DBufferUsage
{
D3D_BUFFER_USAGE_STATIC,
D3D_BUFFER_USAGE_DYNAMIC,
};
enum D3DBufferInvalidationType
{
D3D_BUFFER_INVALIDATE_WHOLE_CACHE,
D3D_BUFFER_INVALIDATE_DEFAULT_BUFFER_ONLY,
};
enum D3DStaticBufferCreationType
{
D3D_BUFFER_CREATE_IF_NECESSARY,
D3D_BUFFER_DO_NOT_CREATE,
};
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 void markTransformFeedbackUsage() = 0;
virtual gl::Error getData(const uint8_t **outData) = 0;
StaticVertexBufferInterface *getStaticVertexBuffer(const gl::VertexAttribute &attribute,
D3DStaticBufferCreationType creationType);
StaticIndexBufferInterface *getStaticIndexBuffer();
void initializeStaticData();
void invalidateStaticData(D3DBufferInvalidationType invalidationType);
void reinitOutOfDateStaticData();
void promoteStaticUsage(int dataSize);
gl::Error getIndexRange(GLenum type,
size_t offset,
size_t count,
bool primitiveRestartEnabled,
gl::IndexRange *outRange) override;
protected:
void updateSerial();
void updateD3DBufferUsage(GLenum usage);
void emptyStaticBufferCache();
BufferFactoryD3D *mFactory;
unsigned int mSerial;
static unsigned int mNextSerial;
StaticVertexBufferInterface *mStaticVertexBuffer;
StaticIndexBufferInterface *mStaticIndexBuffer;
std::vector<StaticVertexBufferInterface *> *mStaticBufferCache;
unsigned int mStaticBufferCacheTotalSize;
unsigned int mStaticVertexBufferOutOfDate;
unsigned int mUnmodifiedDataUse;
D3DBufferUsage mUsage;
};
}
#endif // LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
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