Merge "SurfaceFlinger: add grace time for present fence to signal" into qt-qpr1-dev
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index fe09c9c..23b399f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -358,6 +358,11 @@
mPropagateBackpressure = !atoi(value);
ALOGI_IF(!mPropagateBackpressure, "Disabling backpressure propagation");
+ property_get("debug.sf.enable_gl_backpressure", value, "0");
+ mPropagateBackpressureClientComposition = atoi(value);
+ ALOGI_IF(mPropagateBackpressureClientComposition,
+ "Enabling backpressure propagation for Client Composition");
+
property_get("debug.sf.enable_hwc_vds", value, "0");
mUseHwcVirtualDisplays = atoi(value);
ALOGI_IF(mUseHwcVirtualDisplays, "Enabling HWC virtual displays");
@@ -1754,9 +1759,9 @@
break;
}
- // For now, only propagate backpressure when missing a hwc frame.
- if (hwcFrameMissed && !gpuFrameMissed) {
- if (mPropagateBackpressure) {
+ if (frameMissed && mPropagateBackpressure) {
+ if ((hwcFrameMissed && !gpuFrameMissed) ||
+ mPropagateBackpressureClientComposition) {
signalLayerUpdate();
break;
}
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 484b719..2718e0e 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1023,6 +1023,7 @@
volatile nsecs_t mDebugInTransaction = 0;
bool mForceFullDamage = false;
bool mPropagateBackpressure = true;
+ bool mPropagateBackpressureClientComposition = false;
std::unique_ptr<SurfaceInterceptor> mInterceptor;
SurfaceTracing mTracing{*this};
bool mTracingEnabled = false;