tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Image11.h (4763B)

      1 //
      2 // Copyright 2012 The ANGLE Project Authors. All rights reserved.
      3 // Use of this source code is governed by a BSD-style license that can be
      4 // found in the LICENSE file.
      5 //
      6 
      7 // Image11.h: Defines the rx::Image11 class, which acts as the interface to
      8 // the actual underlying resources of a Texture
      9 
     10 #ifndef LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
     11 #define LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
     12 
     13 #include "common/debug.h"
     14 #include "libANGLE/ImageIndex.h"
     15 #include "libANGLE/renderer/d3d/ImageD3D.h"
     16 #include "libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h"
     17 #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
     18 
     19 namespace gl
     20 {
     21 class Framebuffer;
     22 }
     23 
     24 namespace d3d11
     25 {
     26 template <typename T>
     27 class ScopedUnmapper;
     28 }  // namespace d3d11
     29 
     30 namespace rx
     31 {
     32 class Renderer11;
     33 class TextureHelper11;
     34 class TextureStorage11;
     35 struct Renderer11DeviceCaps;
     36 
     37 class Image11 : public ImageD3D
     38 {
     39  public:
     40    Image11(Renderer11 *renderer);
     41    ~Image11() override;
     42 
     43    static angle::Result GenerateMipmap(const gl::Context *context,
     44                                        Image11 *dest,
     45                                        Image11 *src,
     46                                        const Renderer11DeviceCaps &rendererCaps);
     47    static angle::Result CopyImage(const gl::Context *context,
     48                                   Image11 *dest,
     49                                   Image11 *source,
     50                                   const gl::Box &sourceBox,
     51                                   const gl::Offset &destOffset,
     52                                   bool unpackFlipY,
     53                                   bool unpackPremultiplyAlpha,
     54                                   bool unpackUnmultiplyAlpha,
     55                                   const Renderer11DeviceCaps &rendererCaps);
     56 
     57    bool isDirty() const override;
     58 
     59    angle::Result copyToStorage(const gl::Context *context,
     60                                TextureStorage *storage,
     61                                const gl::ImageIndex &index,
     62                                const gl::Box &region) override;
     63 
     64    bool redefine(gl::TextureType type,
     65                  GLenum internalformat,
     66                  const gl::Extents &size,
     67                  bool forceRelease) override;
     68 
     69    DXGI_FORMAT getDXGIFormat() const;
     70 
     71    angle::Result loadData(const gl::Context *context,
     72                           const gl::Box &area,
     73                           const gl::PixelUnpackState &unpack,
     74                           GLenum type,
     75                           const void *input,
     76                           bool applySkipImages) override;
     77    angle::Result loadCompressedData(const gl::Context *context,
     78                                     const gl::Box &area,
     79                                     const void *input) override;
     80 
     81    angle::Result copyFromTexStorage(const gl::Context *context,
     82                                     const gl::ImageIndex &imageIndex,
     83                                     TextureStorage *source) override;
     84    angle::Result copyFromFramebuffer(const gl::Context *context,
     85                                      const gl::Offset &destOffset,
     86                                      const gl::Rectangle &sourceArea,
     87                                      const gl::Framebuffer *source) override;
     88 
     89    angle::Result recoverFromAssociatedStorage(const gl::Context *context);
     90    void verifyAssociatedStorageValid(TextureStorage11 *textureStorageEXT) const;
     91    void disassociateStorage();
     92 
     93    angle::Result getStagingTexture(const gl::Context *context,
     94                                    const TextureHelper11 **outStagingTexture,
     95                                    unsigned int *outSubresourceIndex);
     96 
     97  protected:
     98    template <typename T>
     99    friend class d3d11::ScopedUnmapper;
    100    angle::Result map(const gl::Context *context, D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
    101    void unmap();
    102 
    103  private:
    104    angle::Result copyWithoutConversion(const gl::Context *context,
    105                                        const gl::Offset &destOffset,
    106                                        const gl::Box &sourceArea,
    107                                        const TextureHelper11 &textureHelper,
    108                                        UINT sourceSubResource);
    109 
    110    angle::Result createStagingTexture(const gl::Context *context);
    111    void releaseStagingTexture();
    112 
    113    Renderer11 *mRenderer;
    114 
    115    DXGI_FORMAT mDXGIFormat;
    116    TextureHelper11 mStagingTexture;
    117    unsigned int mStagingSubresource;
    118    MappedSubresourceVerifier11 mStagingTextureSubresourceVerifier;
    119 
    120    bool mRecoverFromStorage;
    121    TextureStorage11 *mAssociatedStorage;
    122    gl::ImageIndex mAssociatedImageIndex;
    123    unsigned int mRecoveredFromStorageCount;
    124 };
    125 
    126 }  // namespace rx
    127 
    128 #endif  // LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_