kc3-lang/angle/src/libANGLE/renderer/d3d/TextureD3D.h

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• Author : Geoff Lang
  Date : 2015-05-20 14:06:13
  Hash : 8509d86e
  Message : Pipe the imageSize parameter from the entry point to avoid recomputation. BUG=angleproject:884 Change-Id: Ic4d5bdc5b65ebcb8c57b960e84708e945db0276a Reviewed-on: https://chromium-review.googlesource.com/272422 Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Brandon Jones <bajones@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/d3d/TextureD3D.h

• //
  // Copyright 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.
  //
  
  // TextureD3D.h: Implementations of the Texture interfaces shared betweeen the D3D backends.
  
  #ifndef LIBANGLE_RENDERER_D3D_TEXTURED3D_H_
  #define LIBANGLE_RENDERER_D3D_TEXTURED3D_H_
  
  #include "libANGLE/renderer/TextureImpl.h"
  #include "libANGLE/angletypes.h"
  #include "libANGLE/Constants.h"
  
  namespace gl
  {
  class Framebuffer;
  }
  
  namespace rx
  {
  
  class ImageD3D;
  class ImageD3D;
  class RendererD3D;
  class RenderTargetD3D;
  class TextureStorage;
  
  class TextureD3D : public TextureImpl
  {
    public:
      TextureD3D(RendererD3D *renderer);
      virtual ~TextureD3D();
  
      gl::Error getNativeTexture(TextureStorage **outStorage);
  
      virtual void setUsage(GLenum usage) { mUsage = usage; }
      bool hasDirtyImages() const { return mDirtyImages; }
      void resetDirty() { mDirtyImages = false; }
  
      virtual ImageD3D *getImage(const gl::ImageIndex &index) const = 0;
      virtual GLsizei getLayerCount(int level) const = 0;
  
      GLint getBaseLevelWidth() const;
      GLint getBaseLevelHeight() const;
      GLint getBaseLevelDepth() const;
      GLenum getBaseLevelInternalFormat() const;
  
      bool isImmutable() const { return mImmutable; }
  
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) = 0;
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index) = 0;
  
      // Returns an iterator over all "Images" for this particular Texture.
      virtual gl::ImageIndexIterator imageIterator() const = 0;
  
      // Returns an ImageIndex for a particular "Image". 3D Textures do not have images for
      // slices of their depth texures, so 3D textures ignore the layer parameter.
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const = 0;
      virtual bool isValidIndex(const gl::ImageIndex &index) const = 0;
  
      virtual gl::Error generateMipmaps(const gl::SamplerState &samplerState);
      TextureStorage *getStorage();
      ImageD3D *getBaseLevelImage() const;
  
      gl::Error getAttachmentRenderTarget(const gl::FramebufferAttachment::Target &target,
                                          FramebufferAttachmentRenderTarget **rtOut) override;
  
    protected:
      gl::Error setImage(const gl::ImageIndex &index, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels,
                         ptrdiff_t layerOffset);
      gl::Error subImage(const gl::ImageIndex &index, const gl::Box &area, GLenum format, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels, ptrdiff_t layerOffset);
      gl::Error setCompressedImage(const gl::ImageIndex &index, const gl::PixelUnpackState &unpack,
                                   const uint8_t *pixels, ptrdiff_t layerOffset);
      gl::Error subImageCompressed(const gl::ImageIndex &index, const gl::Box &area, GLenum format,
                                   const gl::PixelUnpackState &unpack, const uint8_t *pixels, ptrdiff_t layerOffset);
      bool isFastUnpackable(const gl::PixelUnpackState &unpack, GLenum sizedInternalFormat);
      gl::Error fastUnpackPixels(const gl::PixelUnpackState &unpack, const uint8_t *pixels, const gl::Box &destArea,
                                 GLenum sizedInternalFormat, GLenum type, RenderTargetD3D *destRenderTarget);
  
      GLint creationLevels(GLsizei width, GLsizei height, GLsizei depth) const;
      int mipLevels() const;
      virtual void initMipmapsImages() = 0;
      bool isBaseImageZeroSize() const;
      virtual bool isImageComplete(const gl::ImageIndex &index) const = 0;
  
      bool canCreateRenderTargetForImage(const gl::ImageIndex &index) const;
      virtual gl::Error ensureRenderTarget();
  
      virtual gl::Error createCompleteStorage(bool renderTarget, TextureStorage **outTexStorage) const = 0;
      virtual gl::Error setCompleteTexStorage(TextureStorage *newCompleteTexStorage) = 0;
      gl::Error commitRegion(const gl::ImageIndex &index, const gl::Box &region);
  
      RendererD3D *mRenderer;
  
      GLenum mUsage;
  
      bool mDirtyImages;
  
      bool mImmutable;
      TextureStorage *mTexStorage;
  
    private:
      virtual gl::Error initializeStorage(bool renderTarget) = 0;
  
      virtual gl::Error updateStorage() = 0;
  
      bool shouldUseSetData(const ImageD3D *image) const;
  
      gl::Error generateMipmapsUsingImages();
  };
  
  class TextureD3D_2D : public TextureD3D
  {
    public:
      TextureD3D_2D(RendererD3D *renderer);
      virtual ~TextureD3D_2D();
  
      virtual ImageD3D *getImage(int level, int layer) const;
      virtual ImageD3D *getImage(const gl::ImageIndex &index) const;
      virtual GLsizei getLayerCount(int level) const;
  
      GLsizei getWidth(GLint level) const;
      GLsizei getHeight(GLint level) const;
      GLenum getInternalFormat(GLint level) const;
      bool isDepth(GLint level) const;
  
      gl::Error setImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size, GLenum format, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
      gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
                            const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
  
      gl::Error setCompressedImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size,
                                   const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
      gl::Error setCompressedSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format,
                                      const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
  
      gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
                          const gl::Framebuffer *source) override;
      gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
                             const gl::Framebuffer *source) override;
  
      gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) override;
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
      virtual bool isValidIndex(const gl::ImageIndex &index) const;
  
    private:
      virtual gl::Error initializeStorage(bool renderTarget);
      virtual gl::Error createCompleteStorage(bool renderTarget, TextureStorage **outTexStorage) const;
      virtual gl::Error setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual gl::Error updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidLevel(int level) const;
      bool isLevelComplete(int level) const;
      virtual bool isImageComplete(const gl::ImageIndex &index) const;
  
      gl::Error updateStorageLevel(int level);
  
      void redefineImage(GLint level, GLenum internalformat, const gl::Extents &size);
  
      ImageD3D *mImageArray[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureD3D_Cube : public TextureD3D
  {
    public:
      TextureD3D_Cube(RendererD3D *renderer);
      virtual ~TextureD3D_Cube();
  
      virtual ImageD3D *getImage(int level, int layer) const;
      virtual ImageD3D *getImage(const gl::ImageIndex &index) const;
      virtual GLsizei getLayerCount(int level) const;
  
      virtual bool hasDirtyImages() const { return mDirtyImages; }
      virtual void resetDirty() { mDirtyImages = false; }
      virtual void setUsage(GLenum usage) { mUsage = usage; }
  
      GLenum getInternalFormat(GLint level, GLint layer) const;
      bool isDepth(GLint level, GLint layer) const;
  
      gl::Error setImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size, GLenum format, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
      gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
                            const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
  
      gl::Error setCompressedImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size,
                                   const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
      gl::Error setCompressedSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format,
                                      const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
  
      gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
                          const gl::Framebuffer *source) override;
      gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
                             const gl::Framebuffer *source) override;
  
      gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) override;
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
      virtual bool isValidIndex(const gl::ImageIndex &index) const;
  
    private:
      virtual gl::Error initializeStorage(bool renderTarget);
      virtual gl::Error createCompleteStorage(bool renderTarget, TextureStorage **outTexStorage) const;
      virtual gl::Error setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual gl::Error updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidFaceLevel(int faceIndex, int level) const;
      bool isFaceLevelComplete(int faceIndex, int level) const;
      bool isCubeComplete() const;
      virtual bool isImageComplete(const gl::ImageIndex &index) const;
      gl::Error updateStorageFaceLevel(int faceIndex, int level);
  
      void redefineImage(int faceIndex, GLint level, GLenum internalformat, const gl::Extents &size);
  
      ImageD3D *mImageArray[6][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureD3D_3D : public TextureD3D
  {
    public:
      TextureD3D_3D(RendererD3D *renderer);
      virtual ~TextureD3D_3D();
  
      virtual ImageD3D *getImage(int level, int layer) const;
      virtual ImageD3D *getImage(const gl::ImageIndex &index) const;
      virtual GLsizei getLayerCount(int level) const;
  
      GLsizei getWidth(GLint level) const;
      GLsizei getHeight(GLint level) const;
      GLsizei getDepth(GLint level) const;
      GLenum getInternalFormat(GLint level) const;
      bool isDepth(GLint level) const;
  
      gl::Error setImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size, GLenum format, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
      gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
                            const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
  
      gl::Error setCompressedImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size,
                                   const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
      gl::Error setCompressedSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format,
                                      const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
  
      gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
                          const gl::Framebuffer *source) override;
      gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
                             const gl::Framebuffer *source) override;
  
      gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) override;
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
      virtual bool isValidIndex(const gl::ImageIndex &index) const;
  
    private:
      virtual gl::Error initializeStorage(bool renderTarget);
      virtual gl::Error createCompleteStorage(bool renderTarget, TextureStorage **outStorage) const;
      virtual gl::Error setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual gl::Error updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidLevel(int level) const;
      bool isLevelComplete(int level) const;
      virtual bool isImageComplete(const gl::ImageIndex &index) const;
      gl::Error updateStorageLevel(int level);
  
      void redefineImage(GLint level, GLenum internalformat, const gl::Extents &size);
  
      ImageD3D *mImageArray[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureD3D_2DArray : public TextureD3D
  {
    public:
      TextureD3D_2DArray(RendererD3D *renderer);
      virtual ~TextureD3D_2DArray();
  
      virtual ImageD3D *getImage(int level, int layer) const;
      virtual ImageD3D *getImage(const gl::ImageIndex &index) const;
      virtual GLsizei getLayerCount(int level) const;
  
      GLsizei getWidth(GLint level) const;
      GLsizei getHeight(GLint level) const;
      GLenum getInternalFormat(GLint level) const;
      bool isDepth(GLint level) const;
  
      gl::Error setImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size, GLenum format, GLenum type,
                         const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
      gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
                            const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
  
      gl::Error setCompressedImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size,
                                   const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
      gl::Error setCompressedSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format,
                                      const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
  
      gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
                          const gl::Framebuffer *source) override;
      gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
                             const gl::Framebuffer *source) override;
  
      gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) override;
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
      virtual bool isValidIndex(const gl::ImageIndex &index) const;
  
    private:
      virtual gl::Error initializeStorage(bool renderTarget);
      virtual gl::Error createCompleteStorage(bool renderTarget, TextureStorage **outStorage) const;
      virtual gl::Error setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual gl::Error updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidLevel(int level) const;
      bool isLevelComplete(int level) const;
      virtual bool isImageComplete(const gl::ImageIndex &index) const;
      gl::Error updateStorageLevel(int level);
  
      void deleteImages();
      void redefineImage(GLint level, GLenum internalformat, const gl::Extents &size);
  
      // Storing images as an array of single depth textures since D3D11 treats each array level of a
      // Texture2D object as a separate subresource.  Each layer would have to be looped over
      // to update all the texture layers since they cannot all be updated at once and it makes the most
      // sense for the Image class to not have to worry about layer subresource as well as mip subresources.
      GLsizei mLayerCounts[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
      ImageD3D **mImageArray[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_D3D_TEXTURED3D_H_