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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 LIBGLESV2_RENDERER_IMAGE11_H_
#define LIBGLESV2_RENDERER_IMAGE11_H_
#include "libGLESv2/renderer/Image.h"
#include "common/debug.h"
namespace gl
{
class Framebuffer;
}
namespace rx
{
class Renderer;
class Renderer11;
class TextureStorageInterface2D;
class TextureStorageInterfaceCube;
class Image11 : public Image
{
public:
Image11();
virtual ~Image11();
static Image11 *makeImage11(Image *img);
static void generateMipmap(Image11 *dest, Image11 *src);
virtual bool isDirty() const;
virtual bool updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
virtual bool updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
virtual bool redefine(Renderer *renderer, GLint internalformat, GLsizei width, GLsizei height, bool forceRelease);
virtual bool isRenderableFormat() const;
DXGI_FORMAT getDXGIFormat() const;
virtual void loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
GLint unpackAlignment, const void *input);
virtual void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
const void *input);
virtual void copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
protected:
HRESULT map(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
void unmap();
private:
DISALLOW_COPY_AND_ASSIGN(Image11);
ID3D11Texture2D *getStagingTexture();
unsigned int getStagingSubresource();
void createStagingTexture();
Renderer11 *mRenderer;
DXGI_FORMAT mDXGIFormat;
ID3D11Texture2D *mStagingTexture;
unsigned int mStagingSubresource;
};
}
#endif // LIBGLESV2_RENDERER_IMAGE11_H_
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