ASurfaceTransaction: Add setEnableBackpressure
Expose the backpressure flag to NDK. See comment in
header file for extensive discussion.
Bug: 177458703
Test: Need new CTS
Change-Id: I97cdaef5d499f57a270972f001517b8a520aa2fe
diff --git a/native/android/surface_control.cpp b/native/android/surface_control.cpp
index 195fd5e..8b60480 100644
--- a/native/android/surface_control.cpp
+++ b/native/android/surface_control.cpp
@@ -655,3 +655,17 @@
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
transaction->setFrameRate(surfaceControl, frameRate, compatibility, shouldBeSeamless);
}
+
+void ASurfaceTransaction_setEnableBackPressure(ASurfaceTransaction* aSurfaceTransaction,
+ ASurfaceControl* aSurfaceControl,
+ bool enableBackpressure) {
+ CHECK_NOT_NULL(aSurfaceControl);
+ CHECK_NOT_NULL(aSurfaceTransaction);
+
+ sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
+ Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
+
+ const uint32_t flags = enableBackpressure ?
+ layer_state_t::eEnableBackpressure : 0;
+ transaction->setFlags(surfaceControl, flags, layer_state_t::eEnableBackpressure);
+}