kc3-lang/angle/src/libANGLE/renderer/Image.h

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• Author : Gregoire Payen de La Garanderie
  Date : 2015-01-30 11:38:21
  Hash : 32334afe
  Message : Implement the copy from a 3D texture to Image11. Fixes the generation of 3D texture mipmaps. BUG=angle:915 Change-Id: Icc0c91099f60713d511ebe1a2248a21b63efddaa Reviewed-on: https://chromium-review.googlesource.com/244720 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Gregoire Payen de La Garanderie <Gregory.Payen@imgtec.com>

• src/libANGLE/renderer/Image.h

• //
  // Copyright (c) 2002-2012 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.
  //
  
  // Image.h: Defines the rx::Image class, an abstract base class for the
  // renderer-specific classes which will define the interface to the underlying
  // surfaces or resources.
  
  #ifndef LIBANGLE_RENDERER_IMAGE_H_
  #define LIBANGLE_RENDERER_IMAGE_H_
  
  #include "common/debug.h"
  #include "libANGLE/Error.h"
  
  #include <GLES2/gl2.h>
  
  namespace gl
  {
  class Framebuffer;
  struct Rectangle;
  struct Extents;
  struct Box;
  struct Offset;
  struct ImageIndex;
  }
  
  namespace rx
  {
  class RendererD3D;
  class RenderTarget;
  class TextureStorage;
  
  class Image
  {
    public:
      Image();
      virtual ~Image() {};
  
      GLsizei getWidth() const { return mWidth; }
      GLsizei getHeight() const { return mHeight; }
      GLsizei getDepth() const { return mDepth; }
      GLenum getInternalFormat() const { return mInternalFormat; }
      GLenum getTarget() const { return mTarget; }
      bool isRenderableFormat() const { return mRenderable; }
  
      void markDirty() {mDirty = true;}
      void markClean() {mDirty = false;}
      virtual bool isDirty() const = 0;
  
      virtual bool redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease) = 0;
  
      virtual gl::Error loadData(const gl::Box &area, GLint unpackAlignment, GLenum type, const void *input) = 0;
      virtual gl::Error loadCompressedData(const gl::Box &area, const void *input) = 0;
  
      virtual gl::Error copy(const gl::Offset &destOffset, const gl::Rectangle &sourceArea, const gl::Framebuffer *source) = 0;
      virtual gl::Error copy(const gl::Offset &destOffset, const gl::Box &sourceArea,
                             const gl::ImageIndex &sourceIndex, TextureStorage *source) = 0;
  
    protected:
      GLsizei mWidth;
      GLsizei mHeight;
      GLsizei mDepth;
      GLenum mInternalFormat;
      bool mRenderable;
      GLenum mTarget;
  
      bool mDirty;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Image);
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_IMAGE_H_