1 files changed, 326 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h
new file mode 100644
index 0000000000..456e2660f9
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+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.h
@@ -0,0 +1,326 @@
+//
+// 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;
+
+class TextureStorage11 : public TextureStorage
+{
+  public:
+    virtual ~TextureStorage11();
+
+    static TextureStorage11 *makeTextureStorage11(TextureStorage *storage);
+
+    static DWORD GetTextureBindFlags(GLenum internalFormat, D3D_FEATURE_LEVEL featureLevel, bool renderTarget);
+
+    UINT getBindFlags() 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;
+    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);
+
+  protected:
+    TextureStorage11(Renderer11 *renderer, UINT bindFlags);
+    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;
+
+    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();
+
+    static TextureStorage11_2D *makeTextureStorage11_2D(TextureStorage *storage);
+
+    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();
+
+    static TextureStorage11_Cube *makeTextureStorage11_Cube(TextureStorage *storage);
+
+    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();
+
+    static TextureStorage11_3D *makeTextureStorage11_3D(TextureStorage *storage);
+
+    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();
+
+    static TextureStorage11_2DArray *makeTextureStorage11_2DArray(TextureStorage *storage);
+
+    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_