1 files changed, 240 insertions, 0 deletions
diff --git a/gfx/2d/DrawTargetD2D1.h b/gfx/2d/DrawTargetD2D1.h
new file mode 100644
index 000000000..f769e0a2b
--- /dev/null
+++ b/gfx/2d/DrawTargetD2D1.h
@@ -0,0 +1,240 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MOZILLA_GFX_DRAWTARGETD2D1_H_
+#define MOZILLA_GFX_DRAWTARGETD2D1_H_
+
+#include "2D.h"
+#include <d3d11.h>
+#include <d2d1_1.h>
+#include "PathD2D.h"
+#include "HelpersD2D.h"
+
+#include <vector>
+#include <sstream>
+
+#include <unordered_set>
+
+struct IDWriteFactory;
+
+namespace mozilla {
+namespace gfx {
+
+class SourceSurfaceD2D1;
+class GradientStopsD2D;
+class ScaledFontDWrite;
+
+const int32_t kLayerCacheSize1 = 5;
+
+class DrawTargetD2D1 : public DrawTarget
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetD2D1)
+  DrawTargetD2D1();
+  virtual ~DrawTargetD2D1();
+
+  virtual DrawTargetType GetType() const override { return DrawTargetType::HARDWARE_RASTER; }
+  virtual BackendType GetBackendType() const { return BackendType::DIRECT2D1_1; }
+  virtual TemporaryRef<SourceSurface> Snapshot();
+  virtual IntSize GetSize() { return mSize; }
+
+  virtual void Flush();
+  virtual void DrawSurface(SourceSurface *aSurface,
+                           const Rect &aDest,
+                           const Rect &aSource,
+                           const DrawSurfaceOptions &aSurfOptions,
+                           const DrawOptions &aOptions);
+  virtual void DrawFilter(FilterNode *aNode,
+                          const Rect &aSourceRect,
+                          const Point &aDestPoint,
+                          const DrawOptions &aOptions = DrawOptions());
+  virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
+                                     const Point &aDest,
+                                     const Color &aColor,
+                                     const Point &aOffset,
+                                     Float aSigma,
+                                     CompositionOp aOperator);
+  virtual void ClearRect(const Rect &aRect);
+  virtual void MaskSurface(const Pattern &aSource,
+                           SourceSurface *aMask,
+                           Point aOffset,
+                           const DrawOptions &aOptions = DrawOptions());
+
+  virtual void CopySurface(SourceSurface *aSurface,
+                           const IntRect &aSourceRect,
+                           const IntPoint &aDestination);
+
+  virtual void FillRect(const Rect &aRect,
+                        const Pattern &aPattern,
+                        const DrawOptions &aOptions = DrawOptions());
+  virtual void StrokeRect(const Rect &aRect,
+                          const Pattern &aPattern,
+                          const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                          const DrawOptions &aOptions = DrawOptions());
+  virtual void StrokeLine(const Point &aStart,
+                          const Point &aEnd,
+                          const Pattern &aPattern,
+                          const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                          const DrawOptions &aOptions = DrawOptions());
+  virtual void Stroke(const Path *aPath,
+                      const Pattern &aPattern,
+                      const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                      const DrawOptions &aOptions = DrawOptions());
+  virtual void Fill(const Path *aPath,
+                    const Pattern &aPattern,
+                    const DrawOptions &aOptions = DrawOptions());
+  virtual void FillGlyphs(ScaledFont *aFont,
+                          const GlyphBuffer &aBuffer,
+                          const Pattern &aPattern,
+                          const DrawOptions &aOptions = DrawOptions(),
+                          const GlyphRenderingOptions *aRenderingOptions = nullptr);
+  virtual void Mask(const Pattern &aSource,
+                    const Pattern &aMask,
+                    const DrawOptions &aOptions = DrawOptions());
+  virtual void PushClip(const Path *aPath);
+  virtual void PushClipRect(const Rect &aRect);
+  virtual void PopClip();
+
+  virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
+                                                                  const IntSize &aSize,
+                                                                  int32_t aStride,
+                                                                  SurfaceFormat aFormat) const;
+  virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
+
+  virtual TemporaryRef<SourceSurface>
+    CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const { return nullptr; }
+  
+  virtual TemporaryRef<DrawTarget>
+    CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
+
+  virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const;
+
+  virtual TemporaryRef<GradientStops>
+    CreateGradientStops(GradientStop *aStops,
+                        uint32_t aNumStops,
+                        ExtendMode aExtendMode = ExtendMode::CLAMP) const;
+
+  virtual TemporaryRef<FilterNode> CreateFilter(FilterType aType);
+
+  virtual bool SupportsRegionClipping() const { return false; }
+
+  virtual void *GetNativeSurface(NativeSurfaceType aType) { return nullptr; }
+
+  bool Init(const IntSize &aSize, SurfaceFormat aFormat);
+  bool Init(ID3D11Texture2D* aTexture, SurfaceFormat aFormat);
+  uint32_t GetByteSize() const;
+
+  TemporaryRef<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, Matrix &aSourceTransform,
+                                              ExtendMode aExtendMode, const IntRect* aSourceRect = nullptr);
+
+  TemporaryRef<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, ExtendMode aExtendMode) {
+    Matrix mat;
+    return GetImageForSurface(aSurface, mat, aExtendMode, nullptr);
+  }
+
+  static ID2D1Factory1 *factory();
+  static void CleanupD2D();
+  static IDWriteFactory *GetDWriteFactory();
+
+  operator std::string() const {
+    std::stringstream stream;
+    stream << "DrawTargetD2D 1.1 (" << this << ")";
+    return stream.str();
+  }
+
+  static uint32_t GetMaxSurfaceSize() {
+    return D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
+  }
+
+  static uint64_t mVRAMUsageDT;
+  static uint64_t mVRAMUsageSS;
+
+private:
+  friend class SourceSurfaceD2D1;
+
+  typedef std::unordered_set<DrawTargetD2D1*> TargetSet;
+
+  // This function will mark the surface as changing, and make sure any
+  // copy-on-write snapshots are notified.
+  void MarkChanged();
+  void PrepareForDrawing(CompositionOp aOp, const Pattern &aPattern);
+  void FinalizeDrawing(CompositionOp aOp, const Pattern &aPattern);
+  void FlushTransformToDC() {
+    if (mTransformDirty) {
+      mDC->SetTransform(D2DMatrix(mTransform));
+      mTransformDirty = false;
+    }
+  }
+  void AddDependencyOnSource(SourceSurfaceD2D1* aSource);
+
+  // This returns the clipped geometry, in addition it returns aClipBounds which
+  // represents the intersection of all pixel-aligned rectangular clips that
+  // are currently set. The returned clipped geometry must be clipped by these
+  // bounds to correctly reflect the total clip. This is in device space.
+  TemporaryRef<ID2D1Geometry> GetClippedGeometry(IntRect *aClipBounds);
+
+  TemporaryRef<ID2D1Geometry> GetInverseClippedGeometry();
+
+  bool GetDeviceSpaceClipRect(D2D1_RECT_F& aClipRect, bool& aIsPixelAligned);
+
+  void PopAllClips();
+  void PushAllClips();
+  void PushClipsToDC(ID2D1DeviceContext *aDC);
+  void PopClipsFromDC(ID2D1DeviceContext *aDC);
+
+  TemporaryRef<ID2D1Brush> CreateTransparentBlackBrush();
+  TemporaryRef<ID2D1Brush> CreateBrushForPattern(const Pattern &aPattern, Float aAlpha = 1.0f);
+
+  void PushD2DLayer(ID2D1DeviceContext *aDC, ID2D1Geometry *aGeometry, const D2D1_MATRIX_3X2_F &aTransform);
+
+  IntSize mSize;
+
+  RefPtr<ID3D11Device> mDevice;
+  RefPtr<ID3D11Texture2D> mTexture;
+  RefPtr<ID2D1Geometry> mCurrentClippedGeometry;
+  // This is only valid if mCurrentClippedGeometry is non-null. And will
+  // only be the intersection of all pixel-aligned retangular clips. This is in
+  // device space.
+  IntRect mCurrentClipBounds;
+  mutable RefPtr<ID2D1DeviceContext> mDC;
+  RefPtr<ID2D1Bitmap1> mBitmap;
+  RefPtr<ID2D1Bitmap1> mTempBitmap;
+  RefPtr<ID2D1Effect> mBlendEffect;
+
+  // We store this to prevent excessive SetTextRenderingParams calls.
+  RefPtr<IDWriteRenderingParams> mTextRenderingParams;
+
+  // List of pushed clips.
+  struct PushedClip
+  {
+    D2D1_RECT_F mBounds;
+    union {
+      // If mPath is non-null, the mTransform member will be used, otherwise
+      // the mIsPixelAligned member is valid.
+      D2D1_MATRIX_3X2_F mTransform;
+      bool mIsPixelAligned;
+    };
+    RefPtr<PathD2D> mPath;
+  };
+  std::vector<PushedClip> mPushedClips;
+
+  // The latest snapshot of this surface. This needs to be told when this
+  // target is modified. We keep it alive as a cache.
+  RefPtr<SourceSurfaceD2D1> mSnapshot;
+  // A list of targets we need to flush when we're modified.
+  TargetSet mDependentTargets;
+  // A list of targets which have this object in their mDependentTargets set
+  TargetSet mDependingOnTargets;
+
+  // True of the current clip stack is pushed to the main RT.
+  bool mClipsArePushed;
+  static ID2D1Factory1 *mFactory;
+  static IDWriteFactory *mDWriteFactory;
+};
+
+}
+}
+
+#endif /* MOZILLA_GFX_DRAWTARGETD2D_H_ */