kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/TextureStorage9.h

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• Hash : 362c0a79
  Author :
  Date : 2015-08-12T14:44:38
  

  Implement EGL image classes for the D3D renderers.
  
  BUG=angleproject:970
  
  Change-Id: I24d393fcd75dd4ee510785e8475b093868701c77
  Reviewed-on: https://chromium-review.googlesource.com/295152
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tryjob-Request: Geoff Lang <geofflang@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d9/TextureStorage9.h

• //
  // Copyright (c) 2012-2013 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.
  //
  
  // TextureStorage9.h: Defines the abstract rx::TextureStorage9 class and its concrete derived
  // classes TextureStorage9_2D and TextureStorage9_Cube, which act as the interface to the
  // D3D9 texture.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D9_TEXTURESTORAGE9_H_
  #define LIBANGLE_RENDERER_D3D_D3D9_TEXTURESTORAGE9_H_
  
  #include "libANGLE/renderer/d3d/TextureStorage.h"
  #include "common/debug.h"
  
  namespace rx
  {
  class EGLImageD3D;
  class Renderer9;
  class SwapChain9;
  class RenderTargetD3D;
  class RenderTarget9;
  
  class TextureStorage9 : public TextureStorage
  {
    public:
      virtual ~TextureStorage9();
  
      static DWORD GetTextureUsage(GLenum internalformat, bool renderTarget);
  
      D3DPOOL getPool() const;
      DWORD getUsage() const;
  
      virtual gl::Error getSurfaceLevel(GLenum target,
                                        int level,
                                        bool dirty,
                                        IDirect3DSurface9 **outSurface) = 0;
      virtual gl::Error getBaseTexture(IDirect3DBaseTexture9 **outTexture) = 0;
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) = 0;
  
      virtual int getTopLevel() const;
      virtual bool isRenderTarget() const;
      virtual bool isManaged() const;
      bool supportsNativeMipmapFunction() const override;
      virtual int getLevelCount() const;
  
      virtual gl::Error setData(const gl::ImageIndex &index, ImageD3D *image, const gl::Box *destBox, GLenum type,
                                const gl::PixelUnpackState &unpack, const uint8_t *pixelData);
  
    protected:
      int mTopLevel;
      size_t mMipLevels;
      size_t mTextureWidth;
      size_t mTextureHeight;
      GLenum mInternalFormat;
      D3DFORMAT mTextureFormat;
  
      Renderer9 *mRenderer;
  
      TextureStorage9(Renderer9 *renderer, DWORD usage);
  
    private:
      const DWORD mD3DUsage;
      const D3DPOOL mD3DPool;
  };
  
  class TextureStorage9_2D : public TextureStorage9
  {
    public:
      TextureStorage9_2D(Renderer9 *renderer, SwapChain9 *swapchain);
      TextureStorage9_2D(Renderer9 *renderer, GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels);
      virtual ~TextureStorage9_2D();
  
      gl::Error getSurfaceLevel(GLenum target,
                                int level,
                                bool dirty,
                                IDirect3DSurface9 **outSurface) override;
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
      virtual gl::Error getBaseTexture(IDirect3DBaseTexture9 **outTexture);
      virtual gl::Error generateMipmap(const gl::ImageIndex &sourceIndex, const gl::ImageIndex &destIndex);
      virtual gl::Error copyToStorage(TextureStorage *destStorage);
  
    private:
      IDirect3DTexture9 *mTexture;
      std::vector<RenderTarget9 *> mRenderTargets;
  };
  
  class TextureStorage9_EGLImage final : public TextureStorage9
  {
    public:
      TextureStorage9_EGLImage(Renderer9 *renderer, EGLImageD3D *image);
      ~TextureStorage9_EGLImage() override;
  
      gl::Error getSurfaceLevel(GLenum target,
                                int level,
                                bool dirty,
                                IDirect3DSurface9 **outSurface) override;
      gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) override;
      gl::Error getBaseTexture(IDirect3DBaseTexture9 **outTexture) override;
      gl::Error generateMipmap(const gl::ImageIndex &sourceIndex,
                               const gl::ImageIndex &destIndex) override;
      gl::Error copyToStorage(TextureStorage *destStorage) override;
  
    private:
      EGLImageD3D *mImage;
  };
  
  class TextureStorage9_Cube : public TextureStorage9
  {
    public:
      TextureStorage9_Cube(Renderer9 *renderer, GLenum internalformat, bool renderTarget, int size, int levels, bool hintLevelZeroOnly);
      virtual ~TextureStorage9_Cube();
  
      gl::Error getSurfaceLevel(GLenum target,
                                int level,
                                bool dirty,
                                IDirect3DSurface9 **outSurface) override;
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
      virtual gl::Error getBaseTexture(IDirect3DBaseTexture9 **outTexture);
      virtual gl::Error generateMipmap(const gl::ImageIndex &sourceIndex, const gl::ImageIndex &destIndex);
      virtual gl::Error copyToStorage(TextureStorage *destStorage);
  
    private:
      static const size_t CUBE_FACE_COUNT = 6;
  
      IDirect3DCubeTexture9 *mTexture;
      RenderTarget9 *mRenderTarget[CUBE_FACE_COUNT];
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_D3D_D3D9_TEXTURESTORAGE9_H_
  
  

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