Remove final usage of asSkCanvas

Bug: 137581257
Test: builds
Change-Id: Ib38f85c11be332e6cd784f8bbf55f58cde72ac09

core/jni/android/graphics/Picture.cpp

@@ -100,8 +100,9 @@ void Picture::draw(Canvas* canvas) {
         this->endRecording();
         SkASSERT(NULL != mPicture.get());
     }
-    if (NULL != mPicture.get()) {
-        mPicture->playback(canvas->asSkCanvas());
+
+    if (mPicture) {
+        canvas->drawPicture(*mPicture);
     }
 }
 

libs/hwui/SkiaCanvas.cpp

@@ -778,6 +778,13 @@ void SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x,
     mCanvas->drawDrawable(drawable.get());
 }
 
+void SkiaCanvas::drawPicture(const SkPicture& picture) {
+    // TODO: Change to mCanvas->drawPicture()? SkCanvas::drawPicture seems to be
+    // where the logic is for playback vs. ref picture. Using picture.playback here
+    // to stay behavior-identical for now, but should revisit this at some point.
+    picture.playback(mCanvas);
+}
+
 // ----------------------------------------------------------------------------
 // Canvas draw operations: View System
 // ----------------------------------------------------------------------------

libs/hwui/SkiaCanvas.h

@@ -46,8 +46,6 @@ public:
 
     virtual ~SkiaCanvas();
 
-    virtual SkCanvas* asSkCanvas() override { return mCanvas; }
-
     virtual void resetRecording(int width, int height,
                                 uirenderer::RenderNode* renderNode) override {
         LOG_ALWAYS_FATAL("SkiaCanvas cannot be reset as a recording canvas");
@@ -155,9 +153,11 @@ public:
     virtual void drawRenderNode(uirenderer::RenderNode* renderNode) override;
     virtual void callDrawGLFunction(Functor* functor,
                                     uirenderer::GlFunctorLifecycleListener* listener) override;
+    virtual void drawPicture(const SkPicture& picture) override;
 
 protected:
     SkiaCanvas();
+    SkCanvas* asSkCanvas() { return mCanvas; }
     void reset(SkCanvas* skiaCanvas);
     void drawDrawable(SkDrawable* drawable) { mCanvas->drawDrawable(drawable); }
 

libs/hwui/hwui/Canvas.h

@@ -131,20 +131,6 @@ public:
      */
     static void setCompatibilityVersion(int apiLevel);
 
-    /**
-     *  Provides a Skia SkCanvas interface that acts as a proxy to this Canvas.
-     *  It is useful for testing and clients (e.g. Picture/Movie) that expect to
-     *  draw their contents into an SkCanvas.
-     *
-     *  The SkCanvas returned is *only* valid until another Canvas call is made
-     *  that would change state (e.g. matrix or clip). Clients of asSkCanvas()
-     *  are responsible for *not* persisting this pointer.
-     *
-     *  Further, the returned SkCanvas should NOT be unref'd and is valid until
-     *  this canvas is destroyed or a new bitmap is set.
-     */
-    virtual SkCanvas* asSkCanvas() = 0;
-
     virtual void setBitmap(const SkBitmap& bitmap) = 0;
 
     virtual bool isOpaque() = 0;
@@ -264,6 +250,7 @@ public:
                                const SkPaint* paint) = 0;
 
     virtual double drawAnimatedImage(AnimatedImageDrawable* imgDrawable) = 0;
+    virtual void drawPicture(const SkPicture& picture) = 0;
 
     /**
      * Specifies if the positions passed to ::drawText are absolute or relative

libs/hwui/tests/unit/SkiaCanvasTests.cpp

@@ -78,7 +78,7 @@ TEST(SkiaCanvas, colorSpaceXform) {
     sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
 
     // Playback to a software sRGB canvas.  The result should be fully red.
-    canvas.asSkCanvas()->drawPicture(picture);
+    canvas.drawPicture(*picture);
     ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
 }