kc3-lang/angle/src/libGLESv2/renderer/d3d/TextureD3D.h

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• Author : Jamie Madill
  Date : 2014-09-30 16:33:52
  Hash : 3269bcb4
  Message : More TextureD3D cleanups. The getLayers method was redundant, and the getBaseLevelImage method we can replace with a shared TextureD3D method rather than a specialized method for each type. BUG=angle:729 Change-Id: I80c94a765dbc369fb0bb60ec8273e9e3ba6ffeed Reviewed-on: https://chromium-review.googlesource.com/219862 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• src/libGLESv2/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 LIBGLESV2_RENDERER_TEXTURED3D_H_
  #define LIBGLESV2_RENDERER_TEXTURED3D_H_
  
  #include "libGLESv2/renderer/TextureImpl.h"
  #include "libGLESv2/angletypes.h"
  #include "libGLESv2/constants.h"
  
  namespace gl
  {
  class Framebuffer;
  }
  
  namespace rx
  {
  
  class Image;
  class ImageD3D;
  class Renderer;
  class RenderTarget;
  class TextureStorage;
  
  class TextureD3D : public TextureImpl
  {
    public:
      TextureD3D(Renderer *renderer);
      virtual ~TextureD3D();
  
      static TextureD3D *makeTextureD3D(TextureImpl *texture);
  
      virtual TextureStorage *getNativeTexture();
  
      virtual void setUsage(GLenum usage) { mUsage = usage; }
      bool hasDirtyImages() const { return mDirtyImages; }
      void resetDirty() { mDirtyImages = false; }
  
      GLint getBaseLevelWidth() const;
      GLint getBaseLevelHeight() const;
      GLint getBaseLevelDepth() const;
      GLenum getBaseLevelInternalFormat() const;
  
      bool isImmutable() const { return mImmutable; }
  
      virtual RenderTarget *getRenderTarget(const gl::ImageIndex &index) = 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 void generateMipmaps();
      TextureStorage *getStorage();
      Image *getBaseLevelImage() const;
  
    protected:
      gl::Error setImage(const gl::PixelUnpackState &unpack, GLenum type, const void *pixels, Image *image);
      gl::Error subImage(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
                         GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels, const gl::ImageIndex &index);
      gl::Error setCompressedImage(GLsizei imageSize, const void *pixels, Image *image);
      gl::Error subImageCompressed(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
                                   GLenum format, GLsizei imageSize, const void *pixels, Image *image);
      bool isFastUnpackable(const gl::PixelUnpackState &unpack, GLenum sizedInternalFormat);
      gl::Error fastUnpackPixels(const gl::PixelUnpackState &unpack, const void *pixels, const gl::Box &destArea,
                                 GLenum sizedInternalFormat, GLenum type, RenderTarget *destRenderTarget);
  
      GLint creationLevels(GLsizei width, GLsizei height, GLsizei depth) const;
      int mipLevels() const;
      virtual void initMipmapsImages() = 0;
      bool isBaseImageZeroSize() const;
  
      virtual bool ensureRenderTarget();
  
      virtual TextureStorage *createCompleteStorage(bool renderTarget) const = 0;
      virtual void setCompleteTexStorage(TextureStorage *newCompleteTexStorage) = 0;
  
      Renderer *mRenderer;
  
      GLenum mUsage;
  
      bool mDirtyImages;
  
      bool mImmutable;
      TextureStorage *mTexStorage;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureD3D);
  
      virtual void initializeStorage(bool renderTarget) = 0;
  
      virtual void updateStorage() = 0;
  };
  
  class TextureD3D_2D : public TextureD3D
  {
    public:
      TextureD3D_2D(Renderer *renderer);
      virtual ~TextureD3D_2D();
  
      virtual Image *getImage(int level, int layer) const;
      virtual Image *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;
      GLenum getActualFormat(GLint level) const;
      bool isDepth(GLint level) const;
  
      virtual gl::Error setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels);
      virtual gl::Error subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels);
      virtual void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void storage(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual RenderTarget *getRenderTarget(const gl::ImageIndex &index);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureD3D_2D);
  
      virtual void initializeStorage(bool renderTarget);
      virtual TextureStorage *createCompleteStorage(bool renderTarget) const;
      virtual void setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual void updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidLevel(int level) const;
      bool isLevelComplete(int level) const;
  
      void updateStorageLevel(int level);
  
      void redefineImage(GLint level, GLenum internalformat, GLsizei width, GLsizei height);
      gl::Error commitRect(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
  
      ImageD3D *mImageArray[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureD3D_Cube : public TextureD3D
  {
    public:
      TextureD3D_Cube(Renderer *renderer);
      virtual ~TextureD3D_Cube();
  
      virtual Image *getImage(int level, int layer) const;
      virtual Image *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;
  
      virtual gl::Error setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels);
      virtual gl::Error subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels);
      virtual void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void storage(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual RenderTarget *getRenderTarget(const gl::ImageIndex &index);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureD3D_Cube);
  
      virtual void initializeStorage(bool renderTarget);
      virtual TextureStorage *createCompleteStorage(bool renderTarget) const;
      virtual void setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual void updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidFaceLevel(int faceIndex, int level) const;
      bool isFaceLevelComplete(int faceIndex, int level) const;
      bool isCubeComplete() const;
      void updateStorageFaceLevel(int faceIndex, int level);
  
      void redefineImage(int faceIndex, GLint level, GLenum internalformat, GLsizei width, GLsizei height);
      gl::Error commitRect(int faceIndex, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
  
      ImageD3D *mImageArray[6][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureD3D_3D : public TextureD3D
  {
    public:
      TextureD3D_3D(Renderer *renderer);
      virtual ~TextureD3D_3D();
  
      virtual Image *getImage(int level, int layer) const;
      virtual Image *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;
  
      virtual gl::Error setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels);
      virtual gl::Error subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels);
      virtual void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void storage(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual RenderTarget *getRenderTarget(const gl::ImageIndex &index);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureD3D_3D);
  
      virtual void initializeStorage(bool renderTarget);
      virtual TextureStorage *createCompleteStorage(bool renderTarget) const;
      virtual void setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual void updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidLevel(int level) const;
      bool isLevelComplete(int level) const;
      void updateStorageLevel(int level);
  
      void redefineImage(GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
      gl::Error commitRect(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth);
  
      ImageD3D *mImageArray[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureD3D_2DArray : public TextureD3D
  {
    public:
      TextureD3D_2DArray(Renderer *renderer);
      virtual ~TextureD3D_2DArray();
  
      virtual Image *getImage(int level, int layer) const;
      virtual Image *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;
  
      virtual gl::Error setImage(GLenum target, GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels);
      virtual gl::Error subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const gl::PixelUnpackState &unpack, const void *pixels);
      virtual gl::Error subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels);
      virtual void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
      virtual void storage(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
  
      virtual void bindTexImage(egl::Surface *surface);
      virtual void releaseTexImage();
  
      virtual RenderTarget *getRenderTarget(const gl::ImageIndex &index);
      virtual unsigned int getRenderTargetSerial(const gl::ImageIndex &index);
  
      virtual gl::ImageIndexIterator imageIterator() const;
      virtual gl::ImageIndex getImageIndex(GLint mip, GLint layer) const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureD3D_2DArray);
  
      virtual void initializeStorage(bool renderTarget);
      virtual TextureStorage *createCompleteStorage(bool renderTarget) const;
      virtual void setCompleteTexStorage(TextureStorage *newCompleteTexStorage);
  
      virtual void updateStorage();
      virtual void initMipmapsImages();
  
      bool isValidLevel(int level) const;
      bool isLevelComplete(int level) const;
      void updateStorageLevel(int level);
  
      void deleteImages();
      void redefineImage(GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
      gl::Error commitRect(GLint level, GLint xoffset, GLint yoffset, GLint layerTarget, GLsizei width, GLsizei height);
  
      // 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 // LIBGLESV2_RENDERER_TEXTURED3D_H_