Zero out framenumber when clearing out layer
Fixes a bug where the contents of the client composition buffer
was not reused because HWC requested clearing the layer. When
checking if the composition request changed, the framenumber was
always incrementing.
Bug: b/146238164
Test: go/wm-smoke
Test: adb shell su root dumpsys SurfaceFlinger --timestats -dump -maxlayers 0
Change-Id: I39029835003b40c7e50acf765b52ee9103ce8303
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index d7647d7..766871e 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -677,6 +677,7 @@
layerSettings.source.buffer.buffer = nullptr;
layerSettings.source.solidColor = half3(0.0, 0.0, 0.0);
layerSettings.disableBlending = true;
+ layerSettings.bufferId = 0;
layerSettings.frameNumber = 0;
// If layer is blacked out, force alpha to 1 so that we draw a black color layer.