commit 47f79f187c3518c8e0419fe905a02e5a3e472737
author Ady Abraham <adyabr@google.com> Wed Jul 24 11:05:44 2019 -0700
committer android-build-team Robot <android-build-team-robot@google.com> Thu Jul 25 04:11:07 2019 +0000
tree 7466d12f2c3d4a4076dc3ddf1c9017350df26b09
parent 8e61bf41f94c267e9c63db0c254e8bc9133f4bbb

crosshatch: enable GL comp backpressure

Enable backpressure for client composition to avoid jank due to
HWC queue stuffing.

Test: 1. Open Camera
      2. Swipe horizontally to go back to previous app.

Bug: 138083790
Change-Id: I3d26aa470c1660b23bd97133f39858f92638aca8
(cherry picked from commit 4e8a210c0e3e6854cd34f432f52e3f4821e7b2d5)

device.mk

diff --git a/device.mk b/device.mk
index ad62482..fb96cf2 100644
--- a/device.mk
+++ b/device.mk
@@ -806,6 +806,10 @@
 PRODUCT_PROPERTY_OVERRIDES += \
     debug.sf.early_gl_app_phase_offset_ns=15000000
 
+# Enable backpressure for GL comp
+PRODUCT_PROPERTY_OVERRIDES += \
+    debug.sf.enable_gl_backpressure=1
+
 # Do not skip init trigger by default
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     vendor.skip.init=0