Add a workaround for simulate secondary display
To workaround a deadlock caused by bufferqueue locks
we force RenderThread over to use async mode which
we enable via eglSwapInterval(0)
Bug: 38372997
Test: steps in the bug
Change-Id: Ia305f73abbdd64ab0c25d1f7d32792cc6295a0ce
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index eed5238..d842be9 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -18,6 +18,7 @@
#include "DeferredLayerUpdater.h"
#include "DisplayList.h"
+#include "Properties.h"
#include "Readback.h"
#include "Rect.h"
#include "renderthread/CanvasContext.h"
@@ -708,6 +709,10 @@
thread.queue(task);
}
+void RenderProxy::disableVsync() {
+ Properties::disableVsync = true;
+}
+
void RenderProxy::post(RenderTask* task) {
mRenderThread.queue(task);
}