Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 212 insertions, 0 deletions

diff --git a/gfx/2d/DrawTargetSkia.h b/gfx/2d/DrawTargetSkia.h
new file mode 100644
index 0000000000..e091a9e937
--- /dev/null
+++ b/gfx/2d/DrawTargetSkia.h
@@ -0,0 +1,212 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_DRAWTARGETSKIA_H
+#define _MOZILLA_GFX_DRAWTARGETSKIA_H
+
+#include "2D.h"
+#include <sstream>
+#include <vector>
+
+#ifdef MOZ_WIDGET_COCOA
+#  include <ApplicationServices/ApplicationServices.h>
+#endif
+
+class SkCanvas;
+class SkSurface;
+
+namespace mozilla {
+
+template <>
+class RefPtrTraits<SkSurface> {
+ public:
+  static void Release(SkSurface* aSurface);
+  static void AddRef(SkSurface* aSurface);
+};
+
+namespace gfx {
+
+class DataSourceSurface;
+class SourceSurfaceSkia;
+class BorrowedCGContext;
+
+class DrawTargetSkia : public DrawTarget {
+ public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetSkia, override)
+  DrawTargetSkia();
+  virtual ~DrawTargetSkia();
+
+  virtual DrawTargetType GetType() const override;
+  virtual BackendType GetBackendType() const override {
+    return BackendType::SKIA;
+  }
+  already_AddRefed<SourceSurface> Snapshot(SurfaceFormat aFormat);
+  virtual already_AddRefed<SourceSurface> Snapshot() override {
+    return Snapshot(mFormat);
+  }
+  already_AddRefed<SourceSurface> GetBackingSurface() override;
+  virtual IntSize GetSize() const override { return mSize; };
+  virtual bool LockBits(uint8_t** aData, IntSize* aSize, int32_t* aStride,
+                        SurfaceFormat* aFormat,
+                        IntPoint* aOrigin = nullptr) override;
+  virtual void ReleaseBits(uint8_t* aData) override;
+  virtual void Flush() override;
+  virtual void DrawSurface(
+      SourceSurface* aSurface, const Rect& aDest, const Rect& aSource,
+      const DrawSurfaceOptions& aSurfOptions = DrawSurfaceOptions(),
+      const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void DrawFilter(FilterNode* aNode, const Rect& aSourceRect,
+                          const Point& aDestPoint,
+                          const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void DrawSurfaceWithShadow(SourceSurface* aSurface,
+                                     const Point& aDest,
+                                     const ShadowOptions& aShadow,
+                                     CompositionOp aOperator) override;
+  virtual void ClearRect(const Rect& aRect) override;
+  virtual void CopySurface(SourceSurface* aSurface, const IntRect& aSourceRect,
+                           const IntPoint& aDestination) override;
+  virtual void FillRect(const Rect& aRect, const Pattern& aPattern,
+                        const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void StrokeRect(const Rect& aRect, const Pattern& aPattern,
+                          const StrokeOptions& aStrokeOptions = StrokeOptions(),
+                          const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void StrokeLine(const Point& aStart, const Point& aEnd,
+                          const Pattern& aPattern,
+                          const StrokeOptions& aStrokeOptions = StrokeOptions(),
+                          const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void Stroke(const Path* aPath, const Pattern& aPattern,
+                      const StrokeOptions& aStrokeOptions = StrokeOptions(),
+                      const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void Fill(const Path* aPath, const Pattern& aPattern,
+                    const DrawOptions& aOptions = DrawOptions()) override;
+
+  virtual void FillGlyphs(ScaledFont* aFont, const GlyphBuffer& aBuffer,
+                          const Pattern& aPattern,
+                          const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void StrokeGlyphs(
+      ScaledFont* aFont, const GlyphBuffer& aBuffer, const Pattern& aPattern,
+      const StrokeOptions& aStrokeOptions = StrokeOptions(),
+      const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void Mask(const Pattern& aSource, const Pattern& aMask,
+                    const DrawOptions& aOptions = DrawOptions()) override;
+  virtual void MaskSurface(
+      const Pattern& aSource, SourceSurface* aMask, Point aOffset,
+      const DrawOptions& aOptions = DrawOptions()) override;
+  virtual bool Draw3DTransformedSurface(SourceSurface* aSurface,
+                                        const Matrix4x4& aMatrix) override;
+  virtual void PushClip(const Path* aPath) override;
+  virtual void PushClipRect(const Rect& aRect) override;
+  virtual void PushDeviceSpaceClipRects(const IntRect* aRects,
+                                        uint32_t aCount) override;
+  virtual void PopClip() override;
+  virtual bool RemoveAllClips() override;
+  virtual void PushLayer(bool aOpaque, Float aOpacity, SourceSurface* aMask,
+                         const Matrix& aMaskTransform,
+                         const IntRect& aBounds = IntRect(),
+                         bool aCopyBackground = false) override;
+  virtual void PushLayerWithBlend(
+      bool aOpaque, Float aOpacity, SourceSurface* aMask,
+      const Matrix& aMaskTransform, const IntRect& aBounds = IntRect(),
+      bool aCopyBackground = false,
+      CompositionOp aCompositionOp = CompositionOp::OP_OVER) override;
+  virtual void PopLayer() override;
+  virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(
+      unsigned char* aData, const IntSize& aSize, int32_t aStride,
+      SurfaceFormat aFormat) const override;
+  virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(
+      SourceSurface* aSurface) const override;
+  virtual already_AddRefed<SourceSurface> OptimizeSourceSurfaceForUnknownAlpha(
+      SourceSurface* aSurface) const override;
+  virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromNativeSurface(
+      const NativeSurface& aSurface) const override;
+  virtual already_AddRefed<DrawTarget> CreateSimilarDrawTarget(
+      const IntSize& aSize, SurfaceFormat aFormat) const override;
+  virtual bool CanCreateSimilarDrawTarget(const IntSize& aSize,
+                                          SurfaceFormat aFormat) const override;
+  virtual RefPtr<DrawTarget> CreateClippedDrawTarget(
+      const Rect& aBounds, SurfaceFormat aFormat) override;
+
+  virtual already_AddRefed<PathBuilder> CreatePathBuilder(
+      FillRule aFillRule = FillRule::FILL_WINDING) const override;
+
+  virtual already_AddRefed<GradientStops> CreateGradientStops(
+      GradientStop* aStops, uint32_t aNumStops,
+      ExtendMode aExtendMode = ExtendMode::CLAMP) const override;
+  virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override;
+  virtual void SetTransform(const Matrix& aTransform) override;
+  virtual void* GetNativeSurface(NativeSurfaceType aType) override;
+  virtual void DetachAllSnapshots() override { MarkChanged(); }
+
+  bool Init(const IntSize& aSize, SurfaceFormat aFormat);
+  bool Init(unsigned char* aData, const IntSize& aSize, int32_t aStride,
+            SurfaceFormat aFormat, bool aUninitialized = false);
+  bool Init(SkCanvas* aCanvas);
+  bool Init(RefPtr<DataSourceSurface>&& aSurface);
+
+  // Skia assumes that texture sizes fit in 16-bit signed integers.
+  static size_t GetMaxSurfaceSize() { return 32767; }
+
+  operator std::string() const {
+    std::stringstream stream;
+    stream << "DrawTargetSkia(" << this << ")";
+    return stream.str();
+  }
+
+  Maybe<IntRect> GetDeviceClipRect(bool aAllowComplex = false) const;
+
+  Maybe<Rect> GetGlyphLocalBounds(ScaledFont* aFont, const GlyphBuffer& aBuffer,
+                                  const Pattern& aPattern,
+                                  const StrokeOptions* aStrokeOptions,
+                                  const DrawOptions& aOptions);
+
+ private:
+  friend class SourceSurfaceSkia;
+
+  static void ReleaseMappedSkSurface(void* aPixels, void* aContext);
+
+  void MarkChanged();
+
+  void DrawGlyphs(ScaledFont* aFont, const GlyphBuffer& aBuffer,
+                  const Pattern& aPattern,
+                  const StrokeOptions* aStrokeOptions = nullptr,
+                  const DrawOptions& aOptions = DrawOptions());
+
+  struct PushedLayer {
+    PushedLayer(bool aOldPermitSubpixelAA, SourceSurface* aMask)
+        : mOldPermitSubpixelAA(aOldPermitSubpixelAA), mMask(aMask) {}
+    bool mOldPermitSubpixelAA;
+    RefPtr<SourceSurface> mMask;
+  };
+  std::vector<PushedLayer> mPushedLayers;
+
+  IntSize mSize;
+  RefPtr<SkSurface> mSurface;
+  SkCanvas* mCanvas = nullptr;
+  RefPtr<DataSourceSurface> mBackingSurface;
+  RefPtr<SourceSurfaceSkia> mSnapshot;
+  Mutex mSnapshotLock MOZ_UNANNOTATED;
+
+#ifdef MOZ_WIDGET_COCOA
+  friend class BorrowedCGContext;
+
+  CGContextRef BorrowCGContext(const DrawOptions& aOptions);
+  void ReturnCGContext(CGContextRef);
+  bool FillGlyphsWithCG(ScaledFont* aFont, const GlyphBuffer& aBuffer,
+                        const Pattern& aPattern,
+                        const DrawOptions& aOptions = DrawOptions());
+
+  CGContextRef mCG;
+  CGColorSpaceRef mColorSpace;
+  uint8_t* mCanvasData;
+  IntSize mCGSize;
+  bool mNeedLayer;
+#endif
+};
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif  // _MOZILLA_GFX_SOURCESURFACESKIA_H