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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/d3d/ImageD3D.h"
#include "libGLESv2/ImageIndex.h"
#include "common/debug.h"
namespace gl
{
class Framebuffer;
}
namespace rx
{
class Renderer11;
class TextureStorage11;
class Image11 : public ImageD3D
{
public:
Image11();
virtual ~Image11();
static Image11 *makeImage11(Image *img);
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(RendererD3D *renderer, GLenum target, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, bool forceRelease) override;
DXGI_FORMAT getDXGIFormat() const;
virtual gl::Error loadData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
GLint unpackAlignment, GLenum type, const void *input);
virtual gl::Error loadCompressedData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
const void *input);
virtual gl::Error copy(GLint xoffset, GLint yoffset, GLint zoffset, const gl::Rectangle &sourceArea, RenderTarget *source);
virtual gl::Error copy(GLint xoffset, GLint yoffset, GLint zoffset, const gl::Rectangle &sourceArea,
const gl::ImageIndex &sourceIndex, TextureStorage *source);
gl::Error recoverFromAssociatedStorage();
bool isAssociatedStorageValid(TextureStorage11* textureStorage) const;
void disassociateStorage();
protected:
gl::Error map(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
void unmap();
private:
DISALLOW_COPY_AND_ASSIGN(Image11);
gl::Error copyToStorageImpl(TextureStorage11 *storage11, const gl::ImageIndex &index, const gl::Box ®ion);
gl::Error copy(GLint xoffset, GLint yoffset, GLint zoffset, const gl::Rectangle &sourceArea, ID3D11Texture2D *source, 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 // LIBGLESV2_RENDERER_IMAGE11_H_
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