commit 2dc632aee35ff3ae39c23baea8d080583b5bfe1e
author Nader Jawad <njawad@google.com> Mon Mar 29 18:51:29 2021 -0700
committer Nader Jawad <njawad@google.com> Tue Apr 06 22:03:00 2021 -0700
tree 2f6d91f0603f1186ab879e07752ff1acda03a796
parent 4563f9dfb59c74315fce5862850f971924b03ab0

Holepunch layers for SurfaceView

Update RenderNodeDrawable to hole punch areas into
layers created for SurfaceView

Bug: 184297961
Test: Added CTS test to SurfaceViewTests
Change-Id: I1f03a4fe34c5a8b7411ebe728ea3d4195fcd1fac

libs/hwui/SkiaCanvas.cpp

diff --git a/libs/hwui/SkiaCanvas.cpp b/libs/hwui/SkiaCanvas.cpp
index 28d2b4c..4c4a152 100644
--- a/libs/hwui/SkiaCanvas.cpp
+++ b/libs/hwui/SkiaCanvas.cpp
@@ -23,6 +23,7 @@
 #include "hwui/MinikinUtils.h"
 #include "hwui/PaintFilter.h"
 #include "pipeline/skia/AnimatedDrawables.h"
+#include "pipeline/skia/HolePunch.h"
 
 #include <SkAndroidFrameworkUtils.h>
 #include <SkAnimatedImage.h>
@@ -244,6 +245,13 @@
     return (rec && rec->saveCount == currentSaveCount) ? rec : nullptr;
 }
 
+void SkiaCanvas::punchHole(const SkRRect& rect) {
+    SkPaint paint = SkPaint();
+    paint.setColor(0);
+    paint.setBlendMode(SkBlendMode::kClear);
+    mCanvas->drawRRect(rect, paint);
+}
+
 // ----------------------------------------------------------------------------
 // functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags)
 // ----------------------------------------------------------------------------