Add m-esr52 at 52.6.0

1 files changed, 214 insertions, 0 deletions

diff --git a/gfx/2d/DrawTargetSkia.h b/gfx/2d/DrawTargetSkia.h
new file mode 100644
index 000000000..c2e43da89
--- /dev/null
+++ b/gfx/2d/DrawTargetSkia.h
@@ -0,0 +1,214 @@
+/* -*- 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_SOURCESURFACESKIA_H
+#define _MOZILLA_GFX_SOURCESURFACESKIA_H
+
+#include "skia/include/core/SkCanvas.h"
+#include "skia/include/core/SkSurface.h"
+
+#include "2D.h"
+#include "HelpersSkia.h"
+#include "Rect.h"
+#include "PathSkia.h"
+#include <sstream>
+#include <vector>
+
+#ifdef MOZ_WIDGET_COCOA
+#include <ApplicationServices/ApplicationServices.h>
+#endif
+
+namespace mozilla {
+namespace gfx {
+
+class SourceSurfaceSkia;
+
+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; }
+  virtual already_AddRefed<SourceSurface> Snapshot() override;
+  virtual IntSize GetSize() 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 Color &aColor,
+                                     const Point &aOffset,
+                                     Float aSigma,
+                                     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;
+#ifdef MOZ_WIDGET_COCOA
+  CGContextRef BorrowCGContext(const DrawOptions &aOptions);
+  void ReturnCGContext(CGContextRef);
+  bool FillGlyphsWithCG(ScaledFont *aFont,
+                        const GlyphBuffer &aBuffer,
+                        const Pattern &aPattern,
+                        const DrawOptions &aOptions = DrawOptions(),
+                        const GlyphRenderingOptions *aRenderingOptions = nullptr);
+#endif
+
+  virtual void FillGlyphs(ScaledFont *aFont,
+                          const GlyphBuffer &aBuffer,
+                          const Pattern &aPattern,
+                          const DrawOptions &aOptions = DrawOptions(),
+                          const GlyphRenderingOptions *aRenderingOptions = nullptr) 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 void PushLayer(bool aOpaque, Float aOpacity,
+                         SourceSurface* aMask,
+                         const Matrix& aMaskTransform,
+                         const IntRect& aBounds = IntRect(),
+                         bool aCopyBackground = false) 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 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);
+
+#ifdef USE_SKIA_GPU
+  bool InitWithGrContext(GrContext* aGrContext,
+                         const IntSize &aSize,
+                         SurfaceFormat aFormat,
+                         bool aCached);
+  virtual bool
+    InitWithGrContext(GrContext* aGrContext,
+                      const IntSize &aSize,
+                      SurfaceFormat aFormat) override {
+    return InitWithGrContext(aGrContext, aSize, aFormat, false);
+  }
+
+  already_AddRefed<SourceSurface> OptimizeGPUSourceSurface(SourceSurface *aSurface) const;
+#endif
+
+  // 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();
+  }
+
+private:
+  friend class SourceSurfaceSkia;
+  void SnapshotDestroyed();
+
+  void MarkChanged();
+
+  bool ShouldLCDRenderText(FontType aFontType, AntialiasMode aAntialiasMode);
+
+  bool UsingSkiaGPU() const;
+
+  struct PushedLayer
+  {
+    PushedLayer(bool aOldPermitSubpixelAA,
+                bool aOpaque,
+                Float aOpacity,
+                SourceSurface* aMask,
+                const Matrix& aMaskTransform)
+      : mOldPermitSubpixelAA(aOldPermitSubpixelAA),
+        mOpaque(aOpaque),
+        mOpacity(aOpacity),
+        mMask(aMask),
+        mMaskTransform(aMaskTransform)
+    {}
+    bool mOldPermitSubpixelAA;
+    bool mOpaque;
+    Float mOpacity;
+    RefPtr<SourceSurface> mMask;
+    Matrix mMaskTransform;
+  };
+  std::vector<PushedLayer> mPushedLayers;
+
+#ifdef USE_SKIA_GPU
+  sk_sp<GrContext> mGrContext;
+#endif
+
+  IntSize mSize;
+  sk_sp<SkSurface> mSurface;
+  sk_sp<SkCanvas> mCanvas;
+  SourceSurfaceSkia* mSnapshot;
+
+#ifdef MOZ_WIDGET_COCOA
+  CGContextRef mCG;
+  CGColorSpaceRef mColorSpace;
+  uint8_t* mCanvasData;
+  IntSize mCGSize;
+#endif
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // _MOZILLA_GFX_SOURCESURFACESKIA_H