commit 1a0808e64c170fa7b620b858fa5875f6f08a2b54
author Chris Craik <ccraik@google.com> Wed May 13 16:33:04 2015 -0700
committer Chris Craik <ccraik@google.com> Wed May 13 16:47:19 2015 -0700
tree 6503695e18d11985a9a86257bd78ddced75e3e13
parent 55e603ee9de06125751292c84f1b25fb9a78d4e4

Add back alpha atrace log

bug:20922838

Change-Id: I70ccbffdd5f140cd1dd71fbf456fb5b085e74a4a

libs/hwui/RenderNode.cpp

diff --git a/libs/hwui/RenderNode.cpp b/libs/hwui/RenderNode.cpp
index 8f95e0d..9146b68 100644
--- a/libs/hwui/RenderNode.cpp
+++ b/libs/hwui/RenderNode.cpp
@@ -392,6 +392,13 @@
         }
         LOG_ALWAYS_FATAL_IF(!isLayer && properties().getHasOverlappingRendering());
         renderer.scaleAlpha(properties().getAlpha());
+
+        if (CC_UNLIKELY(ATRACE_ENABLED() && properties().promotedToLayer())) {
+            // pretend to cause savelayer to warn about performance problem affecting old versions
+            ATRACE_FORMAT("%s alpha caused saveLayer %dx%d", getName(),
+                    static_cast<int>(getWidth()),
+                    static_cast<int>(getHeight()));
+        }
     }
     if (clipFlags) {
         Rect clipRect;