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//
// Copyright (c) 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.
//
// Image11.h: Defines the rx::Image11 class, which acts as the interface to
// the actual underlying resources of a Texture
#ifndef LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
#define LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
#include "libANGLE/renderer/d3d/ImageD3D.h"
#include "libANGLE/ImageIndex.h"
#include "common/debug.h"
namespace gl
{
class Framebuffer;
}
namespace rx
{
class Renderer11;
class TextureHelper11;
class TextureStorage11;
class Image11 : public ImageD3D
{
public:
Image11(Renderer11 *renderer);
virtual ~Image11();
static gl::Error generateMipmap(Image11 *dest, Image11 *src);
virtual bool isDirty() const;
virtual gl::Error copyToStorage(TextureStorage *storage, const gl::ImageIndex &index, const gl::Box ®ion);
bool redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease) override;
DXGI_FORMAT getDXGIFormat() const;
virtual gl::Error loadData(const gl::Box &area, const gl::PixelUnpackState &unpack, GLenum type, const void *input);
virtual gl::Error loadCompressedData(const gl::Box &area, const void *input);
gl::Error copyFromTexStorage(const gl::ImageIndex &imageIndex, TextureStorage *source) override;
gl::Error copyFromFramebuffer(const gl::Offset &destOffset,
const gl::Rectangle &sourceArea,
const gl::Framebuffer *source) override;
gl::Error recoverFromAssociatedStorage();
bool isAssociatedStorageValid(TextureStorage11* textureStorage) const;
void disassociateStorage();
protected:
gl::Error map(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
void unmap();
private:
gl::Error copyWithoutConversion(const gl::Offset &destOffset,
const gl::Box &sourceArea,
const TextureHelper11 &textureHelper,
UINT sourceSubResource);
gl::Error getStagingTexture(ID3D11Resource **outStagingTexture, unsigned int *outSubresourceIndex);
gl::Error createStagingTexture();
void releaseStagingTexture();
Renderer11 *mRenderer;
DXGI_FORMAT mDXGIFormat;
ID3D11Resource *mStagingTexture;
unsigned int mStagingSubresource;
bool mRecoverFromStorage;
TextureStorage11 *mAssociatedStorage;
gl::ImageIndex mAssociatedImageIndex;
unsigned int mRecoveredFromStorageCount;
};
}
#endif // LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
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