kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h

• Show log

  Commit

• Hash : ba8a0bf8
  Author :
  Date : 2015-05-13T09:48:59
  

  Add plumbing for D3D11 device caps
  
  BUG=angleproject:1002
  
  Change-Id: Id24783c75377ea92a73a43f2605693e07f63dc15
  Reviewed-on: https://chromium-review.googlesource.com/270545
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Austin Kinross <aukinros@microsoft.com>
  

Download

• src/libANGLE/renderer/d3d/d3d11/TextureStorage11.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.
  //
  
  // TextureStorage11.h: Defines the abstract rx::TextureStorage11 class and its concrete derived
  // classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11 texture.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D11_TEXTURESTORAGE11_H_
  #define LIBANGLE_RENDERER_D3D_D3D11_TEXTURESTORAGE11_H_
  
  #include "libANGLE/Texture.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/renderer/d3d/TextureStorage.h"
  
  #include <map>
  
  namespace gl
  {
  struct ImageIndex;
  }
  
  namespace rx
  {
  class RenderTargetD3D;
  class RenderTarget11;
  class Renderer11;
  class SwapChain11;
  class Image11;
  struct Renderer11DeviceCaps;
  
  class TextureStorage11 : public TextureStorage
  {
    public:
      virtual ~TextureStorage11();
  
      static DWORD GetTextureBindFlags(GLenum internalFormat, const Renderer11DeviceCaps &renderer11DeviceCaps, bool renderTarget);
      static DWORD GetTextureMiscFlags(GLenum internalFormat, const Renderer11DeviceCaps &renderer11DeviceCaps, bool renderTarget, int levels);
  
      UINT getBindFlags() const;
      UINT getMiscFlags() const;
  
      virtual gl::Error getResource(ID3D11Resource **outResource) = 0;
      virtual gl::Error getSRV(const gl::SamplerState &samplerState, ID3D11ShaderResourceView **outSRV);
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) = 0;
  
      virtual gl::Error generateMipmap(const gl::ImageIndex &sourceIndex, const gl::ImageIndex &destIndex);
  
      virtual int getTopLevel() const;
      virtual bool isRenderTarget() const;
      virtual bool isManaged() const;
      bool supportsNativeMipmapFunction() const override;
      virtual int getLevelCount() const;
      virtual UINT getSubresourceIndex(const gl::ImageIndex &index) const;
  
      gl::Error generateSwizzles(GLenum swizzleRed, GLenum swizzleGreen, GLenum swizzleBlue, GLenum swizzleAlpha);
      void invalidateSwizzleCacheLevel(int mipLevel);
      void invalidateSwizzleCache();
  
      gl::Error updateSubresourceLevel(ID3D11Resource *texture, unsigned int sourceSubresource,
                                       const gl::ImageIndex &index, const gl::Box &copyArea);
  
      gl::Error copySubresourceLevel(ID3D11Resource* dstTexture, unsigned int dstSubresource,
                                     const gl::ImageIndex &index, const gl::Box &region);
  
      virtual void associateImage(Image11* image, const gl::ImageIndex &index) = 0;
      virtual void disassociateImage(const gl::ImageIndex &index, Image11* expectedImage) = 0;
      virtual bool isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage) = 0;
      virtual gl::Error releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage) = 0;
  
      virtual gl::Error copyToStorage(TextureStorage *destStorage);
      virtual gl::Error setData(const gl::ImageIndex &index, ImageD3D *image, const gl::Box *destBox, GLenum type,
                                const gl::PixelUnpackState &unpack, const uint8_t *pixelData);
  
      gl::Error getSRVLevels(GLint baseLevel, GLint maxLevel, ID3D11ShaderResourceView **outSRV);
  
    protected:
      TextureStorage11(Renderer11 *renderer, UINT bindFlags, UINT miscFlags);
      int getLevelWidth(int mipLevel) const;
      int getLevelHeight(int mipLevel) const;
      int getLevelDepth(int mipLevel) const;
  
      // Some classes (e.g. TextureStorage11_2D) will override getMippedResource.
      virtual gl::Error getMippedResource(ID3D11Resource **outResource) { return getResource(outResource); }
  
      virtual gl::Error getSwizzleTexture(ID3D11Resource **outTexture) = 0;
      virtual gl::Error getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV) = 0;
      gl::Error getSRVLevel(int mipLevel, ID3D11ShaderResourceView **outSRV);
  
      virtual gl::Error createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture,
                                  ID3D11ShaderResourceView **outSRV) const = 0;
  
      void verifySwizzleExists(GLenum swizzleRed, GLenum swizzleGreen, GLenum swizzleBlue, GLenum swizzleAlpha);
  
      Renderer11 *mRenderer;
      int mTopLevel;
      unsigned int mMipLevels;
  
      GLenum mInternalFormat;
      DXGI_FORMAT mTextureFormat;
      DXGI_FORMAT mShaderResourceFormat;
      DXGI_FORMAT mRenderTargetFormat;
      DXGI_FORMAT mDepthStencilFormat;
      DXGI_FORMAT mSwizzleTextureFormat;
      DXGI_FORMAT mSwizzleShaderResourceFormat;
      DXGI_FORMAT mSwizzleRenderTargetFormat;
      unsigned int mTextureWidth;
      unsigned int mTextureHeight;
      unsigned int mTextureDepth;
  
      struct SwizzleCacheValue
      {
          GLenum swizzleRed;
          GLenum swizzleGreen;
          GLenum swizzleBlue;
          GLenum swizzleAlpha;
  
          SwizzleCacheValue();
          SwizzleCacheValue(GLenum red, GLenum green, GLenum blue, GLenum alpha);
  
          bool operator ==(const SwizzleCacheValue &other) const;
          bool operator !=(const SwizzleCacheValue &other) const;
      };
      SwizzleCacheValue mSwizzleCache[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
    private:
      const UINT mBindFlags;
      const UINT mMiscFlags;
  
      struct SRVKey
      {
          SRVKey(int baseLevel = 0, int mipLevels = 0, bool swizzle = false);
  
          bool operator<(const SRVKey &rhs) const;
  
          int baseLevel;
          int mipLevels;
          bool swizzle;
      };
      typedef std::map<SRVKey, ID3D11ShaderResourceView *> SRVCache;
  
      SRVCache mSrvCache;
      ID3D11ShaderResourceView *mLevelSRVs[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureStorage11_2D : public TextureStorage11
  {
    public:
      TextureStorage11_2D(Renderer11 *renderer, SwapChain11 *swapchain);
      TextureStorage11_2D(Renderer11 *renderer, GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels, bool hintLevelZeroOnly = false);
      virtual ~TextureStorage11_2D();
  
      virtual gl::Error getResource(ID3D11Resource **outResource);
      virtual gl::Error getMippedResource(ID3D11Resource **outResource);
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
  
      virtual gl::Error copyToStorage(TextureStorage *destStorage);
  
      virtual void associateImage(Image11* image, const gl::ImageIndex &index);
      virtual void disassociateImage(const gl::ImageIndex &index, Image11* expectedImage);
      virtual bool isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage);
      virtual gl::Error releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage);
  
      virtual gl::Error useLevelZeroWorkaroundTexture(bool useLevelZeroTexture);
  
    protected:
      virtual gl::Error getSwizzleTexture(ID3D11Resource **outTexture);
      virtual gl::Error getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV);
  
      gl::Error ensureTextureExists(int mipLevels);
  
    private:
      virtual gl::Error createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture,
                                  ID3D11ShaderResourceView **outSRV) const;
  
      ID3D11Texture2D *mTexture;
      RenderTarget11 *mRenderTarget[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      // These are members related to the zero max-LOD workaround.
      // D3D11 Feature Level 9_3 can't disable mipmaps on a mipmapped texture (i.e. solely sample from level zero).
      // These members are used to work around this limitation.
      // Usually only mTexture XOR mLevelZeroTexture will exist.
      // For example, if an app creates a texture with only one level, then 9_3 will only create mLevelZeroTexture.
      // However, in some scenarios, both textures have to be created. This incurs additional memory overhead.
      // One example of this is an application that creates a texture, calls glGenerateMipmap, and then disables mipmaps on the texture.
      // A more likely example is an app that creates an empty texture, renders to it, and then calls glGenerateMipmap
      // TODO: In this rendering scenario, release the mLevelZeroTexture after mTexture has been created to save memory.
      ID3D11Texture2D *mLevelZeroTexture;
      RenderTarget11 *mLevelZeroRenderTarget;
      bool mUseLevelZeroTexture;
  
      // Swizzle-related variables
      ID3D11Texture2D *mSwizzleTexture;
      ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      Image11 *mAssociatedImages[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureStorage11_Cube : public TextureStorage11
  {
    public:
      TextureStorage11_Cube(Renderer11 *renderer, GLenum internalformat, bool renderTarget, int size, int levels, bool hintLevelZeroOnly);
      virtual ~TextureStorage11_Cube();
  
      virtual UINT getSubresourceIndex(const gl::ImageIndex &index) const;
  
      virtual gl::Error getResource(ID3D11Resource **outResource);
      virtual gl::Error getMippedResource(ID3D11Resource **outResource);
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
  
      virtual gl::Error copyToStorage(TextureStorage *destStorage);
  
      virtual void associateImage(Image11* image, const gl::ImageIndex &index);
      virtual void disassociateImage(const gl::ImageIndex &index, Image11* expectedImage);
      virtual bool isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage);
      virtual gl::Error releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage);
  
      virtual gl::Error useLevelZeroWorkaroundTexture(bool useLevelZeroTexture);
  
    protected:
      virtual gl::Error getSwizzleTexture(ID3D11Resource **outTexture);
      virtual gl::Error getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV);
  
      gl::Error ensureTextureExists(int mipLevels);
  
    private:
      virtual gl::Error createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture,
                                  ID3D11ShaderResourceView **outSRV) const;
  
      static const size_t CUBE_FACE_COUNT = 6;
  
      ID3D11Texture2D *mTexture;
      RenderTarget11 *mRenderTarget[CUBE_FACE_COUNT][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      // Level-zero workaround members. See TextureStorage11_2D's workaround members for a description.
      ID3D11Texture2D *mLevelZeroTexture;
      RenderTarget11 *mLevelZeroRenderTarget[CUBE_FACE_COUNT];
      bool mUseLevelZeroTexture;
  
      ID3D11Texture2D *mSwizzleTexture;
      ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      Image11 *mAssociatedImages[CUBE_FACE_COUNT][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureStorage11_3D : public TextureStorage11
  {
    public:
      TextureStorage11_3D(Renderer11 *renderer, GLenum internalformat, bool renderTarget,
                          GLsizei width, GLsizei height, GLsizei depth, int levels);
      virtual ~TextureStorage11_3D();
  
      virtual gl::Error getResource(ID3D11Resource **outResource);
  
      // Handles both layer and non-layer RTs
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
  
      virtual void associateImage(Image11* image, const gl::ImageIndex &index);
      virtual void disassociateImage(const gl::ImageIndex &index, Image11* expectedImage);
      virtual bool isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage);
      virtual gl::Error releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage);
  
    protected:
      virtual gl::Error getSwizzleTexture(ID3D11Resource **outTexture);
      virtual gl::Error getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV);
  
    private:
      virtual gl::Error createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture,
                                  ID3D11ShaderResourceView **outSRV) const;
  
      typedef std::pair<int, int> LevelLayerKey;
      typedef std::map<LevelLayerKey, RenderTarget11*> RenderTargetMap;
      RenderTargetMap mLevelLayerRenderTargets;
  
      RenderTarget11 *mLevelRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      ID3D11Texture3D *mTexture;
      ID3D11Texture3D *mSwizzleTexture;
      ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      Image11 *mAssociatedImages[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  };
  
  class TextureStorage11_2DArray : public TextureStorage11
  {
    public:
      TextureStorage11_2DArray(Renderer11 *renderer, GLenum internalformat, bool renderTarget,
                               GLsizei width, GLsizei height, GLsizei depth, int levels);
      virtual ~TextureStorage11_2DArray();
  
      virtual gl::Error getResource(ID3D11Resource **outResource);
      virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT);
  
      virtual void associateImage(Image11* image, const gl::ImageIndex &index);
      virtual void disassociateImage(const gl::ImageIndex &index, Image11* expectedImage);
      virtual bool isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage);
      virtual gl::Error releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage);
  
    protected:
      virtual gl::Error getSwizzleTexture(ID3D11Resource **outTexture);
      virtual gl::Error getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV);
  
    private:
      virtual gl::Error createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture,
                                  ID3D11ShaderResourceView **outSRV) const;
  
      typedef std::pair<int, int> LevelLayerKey;
      typedef std::map<LevelLayerKey, RenderTarget11*> RenderTargetMap;
      RenderTargetMap mRenderTargets;
  
      ID3D11Texture2D *mTexture;
  
      ID3D11Texture2D *mSwizzleTexture;
      ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
  
      typedef std::map<LevelLayerKey, Image11*> ImageMap;
      ImageMap mAssociatedImages;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_D3D_D3D11_TEXTURESTORAGE11_H_
  

Download