kc3-lang/angle/src/libGLESv2/renderer/Image11.h

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• Hash : 2b132f42
  Author :
  Date : 2013-01-25T21:52:47
  

  Implements generateMipmap for CPU-side textures
  
  TRAC #22350
  
  Author: Shannon Woods
  Signed-off-by: Jamie Madill
  Signed-off-by: Daniel Koch
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1763 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/renderer/Image11.h

• //
  // Copyright (c) 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.
  //
  
  // Image11.h: Defines the rx::Image11 class, which acts as the interface to
  // the actual underlying resources of a Texture
  
  #ifndef LIBGLESV2_RENDERER_IMAGE11_H_
  #define LIBGLESV2_RENDERER_IMAGE11_H_
  
  #include <GLES2/gl2.h>
  
  #include "libGLESv2/renderer/Image.h"
  
  #include "common/debug.h"
  
  namespace gl
  {
  class Framebuffer;
  }
  
  namespace rx
  {
  class Renderer;
  class Renderer11;
  class TextureStorageInterface2D;
  class TextureStorageInterfaceCube;
  
  class Image11 : public Image
  {
    public:
      Image11();
      virtual ~Image11();
  
      static Image11 *makeImage11(Image *img);
  
      static void generateMipmap(Image11 *dest, Image11 *src);
  
      virtual bool isDirty() const;
      ID3D11Texture2D *getStagingTexture();
  
      virtual bool updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
      virtual bool updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
  
      virtual bool redefine(Renderer *renderer, GLint internalformat, GLsizei width, GLsizei height, bool forceRelease);
  
      virtual bool isRenderableFormat() const;
      DXGI_FORMAT getDXGIFormat() const;
      
      virtual void loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
                    GLint unpackAlignment, const void *input);
      virtual void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
                                      const void *input);
  
      virtual void copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
  
    protected:
      HRESULT map(D3D11_MAPPED_SUBRESOURCE *map);
      void unmap();
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Image11);
  
      void createStagingTexture();
      bool updateStagingTexture(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
  
      Renderer11 *mRenderer;
  
      DXGI_FORMAT mDXGIFormat;
      ID3D11Texture2D *mStagingTexture;
  };
  
  }
  
  #endif // LIBGLESV2_RENDERER_IMAGE11_H_
  

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