1 files changed, 128 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.h
new file mode 100644
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--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Image11.h
@@ -0,0 +1,128 @@
+//
+// Copyright 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 LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
+
+#include "common/debug.h"
+#include "libANGLE/ImageIndex.h"
+#include "libANGLE/renderer/d3d/ImageD3D.h"
+#include "libANGLE/renderer/d3d/d3d11/MappedSubresourceVerifier11.h"
+#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace d3d11
+{
+template <typename T>
+class ScopedUnmapper;
+}  // namespace d3d11
+
+namespace rx
+{
+class Renderer11;
+class TextureHelper11;
+class TextureStorage11;
+struct Renderer11DeviceCaps;
+
+class Image11 : public ImageD3D
+{
+  public:
+    Image11(Renderer11 *renderer);
+    ~Image11() override;
+
+    static angle::Result GenerateMipmap(const gl::Context *context,
+                                        Image11 *dest,
+                                        Image11 *src,
+                                        const Renderer11DeviceCaps &rendererCaps);
+    static angle::Result CopyImage(const gl::Context *context,
+                                   Image11 *dest,
+                                   Image11 *source,
+                                   const gl::Box &sourceBox,
+                                   const gl::Offset &destOffset,
+                                   bool unpackFlipY,
+                                   bool unpackPremultiplyAlpha,
+                                   bool unpackUnmultiplyAlpha,
+                                   const Renderer11DeviceCaps &rendererCaps);
+
+    bool isDirty() const override;
+
+    angle::Result copyToStorage(const gl::Context *context,
+                                TextureStorage *storage,
+                                const gl::ImageIndex &index,
+                                const gl::Box &region) override;
+
+    bool redefine(gl::TextureType type,
+                  GLenum internalformat,
+                  const gl::Extents &size,
+                  bool forceRelease) override;
+
+    DXGI_FORMAT getDXGIFormat() const;
+
+    angle::Result loadData(const gl::Context *context,
+                           const gl::Box &area,
+                           const gl::PixelUnpackState &unpack,
+                           GLenum type,
+                           const void *input,
+                           bool applySkipImages) override;
+    angle::Result loadCompressedData(const gl::Context *context,
+                                     const gl::Box &area,
+                                     const void *input) override;
+
+    angle::Result copyFromTexStorage(const gl::Context *context,
+                                     const gl::ImageIndex &imageIndex,
+                                     TextureStorage *source) override;
+    angle::Result copyFromFramebuffer(const gl::Context *context,
+                                      const gl::Offset &destOffset,
+                                      const gl::Rectangle &sourceArea,
+                                      const gl::Framebuffer *source) override;
+
+    angle::Result recoverFromAssociatedStorage(const gl::Context *context);
+    void verifyAssociatedStorageValid(TextureStorage11 *textureStorageEXT) const;
+    void disassociateStorage();
+
+    angle::Result getStagingTexture(const gl::Context *context,
+                                    const TextureHelper11 **outStagingTexture,
+                                    unsigned int *outSubresourceIndex);
+
+  protected:
+    template <typename T>
+    friend class d3d11::ScopedUnmapper;
+    angle::Result map(const gl::Context *context, D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
+    void unmap();
+
+  private:
+    angle::Result copyWithoutConversion(const gl::Context *context,
+                                        const gl::Offset &destOffset,
+                                        const gl::Box &sourceArea,
+                                        const TextureHelper11 &textureHelper,
+                                        UINT sourceSubResource);
+
+    angle::Result createStagingTexture(const gl::Context *context);
+    void releaseStagingTexture();
+
+    Renderer11 *mRenderer;
+
+    DXGI_FORMAT mDXGIFormat;
+    TextureHelper11 mStagingTexture;
+    unsigned int mStagingSubresource;
+    MappedSubresourceVerifier11 mStagingTextureSubresourceVerifier;
+
+    bool mRecoverFromStorage;
+    TextureStorage11 *mAssociatedStorage;
+    gl::ImageIndex mAssociatedImageIndex;
+    unsigned int mRecoveredFromStorageCount;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_