1 files changed, 92 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d11/Image11.h b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/Image11.h
new file mode 100755
index 000000000..17c3688b4
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/Image11.h
@@ -0,0 +1,92 @@
+//
+// 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 LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_
+
+#include "libANGLE/renderer/d3d/ImageD3D.h"
+#include "libANGLE/ImageIndex.h"
+
+#include "common/debug.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace rx
+{
+class Renderer11;
+class TextureHelper11;
+class TextureStorage11;
+struct Renderer11DeviceCaps;
+
+class Image11 : public ImageD3D
+{
+  public:
+    Image11(Renderer11 *renderer);
+    virtual ~Image11();
+
+    static gl::Error generateMipmap(Image11 *dest,
+                                    Image11 *src,
+                                    const Renderer11DeviceCaps &rendererCaps);
+
+    virtual bool isDirty() const;
+
+    virtual gl::Error copyToStorage(TextureStorage *storage, const gl::ImageIndex &index, const gl::Box &region);
+
+    bool redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease) override;
+
+    DXGI_FORMAT getDXGIFormat() const;
+
+    gl::Error loadData(const gl::Box &area,
+                       const gl::PixelUnpackState &unpack,
+                       GLenum type,
+                       const void *input,
+                       bool applySkipImages) override;
+    gl::Error loadCompressedData(const gl::Box &area, const void *input) override;
+
+    gl::Error copyFromTexStorage(const gl::ImageIndex &imageIndex, TextureStorage *source) override;
+    gl::Error copyFromFramebuffer(const gl::Offset &destOffset,
+                                  const gl::Rectangle &sourceArea,
+                                  const gl::Framebuffer *source) override;
+
+    gl::Error recoverFromAssociatedStorage();
+    bool isAssociatedStorageValid(TextureStorage11* textureStorage) const;
+    void disassociateStorage();
+
+  protected:
+    gl::Error map(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map);
+    void unmap();
+
+  private:
+    gl::Error copyWithoutConversion(const gl::Offset &destOffset,
+                                    const gl::Box &sourceArea,
+                                    const TextureHelper11 &textureHelper,
+                                    UINT sourceSubResource);
+
+    gl::Error getStagingTexture(ID3D11Resource **outStagingTexture, unsigned int *outSubresourceIndex);
+    gl::Error createStagingTexture();
+    void releaseStagingTexture();
+
+    Renderer11 *mRenderer;
+
+    DXGI_FORMAT mDXGIFormat;
+    ID3D11Resource *mStagingTexture;
+    unsigned int mStagingSubresource;
+
+    bool mRecoverFromStorage;
+    TextureStorage11 *mAssociatedStorage;
+    gl::ImageIndex mAssociatedImageIndex;
+    unsigned int mRecoveredFromStorageCount;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_D3D_D3D11_IMAGE11_H_