kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/Image9.h

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• Hash : 95faa233
  Author :
  Date : 2016-06-07T14:01:53
  

  Do not apply UNPACK_SKIP_IMAGES for 2D textures on D3D
  
  Resubmitted with test skip added for Intel OpenGL.
  
  GLES 3.0.4 section 3.8.3:
  
  "For the purposes of decoding the texture image, TexImage2D is
  equivalent to calling TexImage3D with corresponding arguments and
  depth of 1, except that UNPACK_SKIP_IMAGES is ignored."
  
  An "applySkipImages" boolean parameter is added to the functions in
  the D3D backend that apply skip offset to the unpack pointer. In case
  2D texture data is uploaded, the parameter is set to false and
  UNPACK_SKIP_IMAGES is not applied.
  
  BUG=angleproject:1406
  TEST=angle_end2end_tests
  
  Change-Id: I5878439e3d38dbae89cc2452a056c2d6bbf9e0b3
  Reviewed-on: https://chromium-review.googlesource.com/351330
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  

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• src/libANGLE/renderer/d3d/d3d9/Image9.h

• //
  // Copyright (c) 2002-2014 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.
  //
  
  // Image9.h: Defines the rx::Image9 class, which acts as the interface to
  // the actual underlying surfaces of a Texture.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D9_IMAGE9_H_
  #define LIBANGLE_RENDERER_D3D_D3D9_IMAGE9_H_
  
  #include "libANGLE/renderer/d3d/ImageD3D.h"
  #include "common/debug.h"
  
  namespace gl
  {
  class Framebuffer;
  }
  
  namespace rx
  {
  class Renderer9;
  
  class Image9 : public ImageD3D
  {
    public:
      Image9(Renderer9 *renderer);
      ~Image9();
  
      static gl::Error generateMipmap(Image9 *dest, Image9 *source);
      static gl::Error generateMip(IDirect3DSurface9 *destSurface, IDirect3DSurface9 *sourceSurface);
      static gl::Error copyLockableSurfaces(IDirect3DSurface9 *dest, IDirect3DSurface9 *source);
  
      bool redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease) override;
  
      D3DFORMAT getD3DFormat() const;
  
      virtual bool isDirty() const;
  
      virtual gl::Error setManagedSurface2D(TextureStorage *storage, int level);
      virtual gl::Error setManagedSurfaceCube(TextureStorage *storage, int face, int level);
      virtual gl::Error copyToStorage(TextureStorage *storage, const gl::ImageIndex &index, const gl::Box &region);
  
      gl::Error loadData(const gl::Box &area,
                         const gl::PixelUnpackState &unpack,
                         GLenum type,
                         const void *input,
                         bool applySkipImages) override;
      gl::Error loadCompressedData(const gl::Box &area, const void *input) override;
  
      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;
  
    private:
      gl::Error getSurface(IDirect3DSurface9 **outSurface);
  
      gl::Error createSurface();
      gl::Error setManagedSurface(IDirect3DSurface9 *surface);
      gl::Error copyToSurface(IDirect3DSurface9 *dest, const gl::Box &area);
  
      gl::Error lock(D3DLOCKED_RECT *lockedRect, const RECT &rect);
      void unlock();
  
      gl::Error copyFromRTInternal(const gl::Offset &destOffset,
                                   const gl::Rectangle &sourceArea,
                                   RenderTargetD3D *source);
  
      Renderer9 *mRenderer;
  
      D3DPOOL mD3DPool;   // can only be D3DPOOL_SYSTEMMEM or D3DPOOL_MANAGED since it needs to be lockable.
      D3DFORMAT mD3DFormat;
  
      IDirect3DSurface9 *mSurface;
  };
  }
  
  #endif   // LIBANGLE_RENDERER_D3D_D3D9_IMAGE9_H_
  

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