Add setFrameRate() api

setFrameRate() is a new api in Android 11 that will enable apps to
specify their intended frame rate.

Bug: 143912624
Bug: 137287430

Test: Added a new CTS test - android.graphics.cts.SetFrameRateTest.

Change-Id: I922573c0d704e2e0ce4cfc2a462f14dce8cb7a79

1 files changed, 15 insertions, 0 deletions

diff --git a/native/android/surface_control.cpp b/native/android/surface_control.cpp
index b34b31ac8439..392c9f6404ba 100644
--- a/native/android/surface_control.cpp
+++ b/native/android/surface_control.cpp
@@ -545,3 +545,18 @@ void ASurfaceTransaction_setColor(ASurfaceTransaction* aSurfaceTransaction,
 
     transaction->setBackgroundColor(surfaceControl, color, alpha, static_cast<ui::Dataspace>(dataspace));
 }
+
+void ASurfaceTransaction_setFrameRate(ASurfaceTransaction* aSurfaceTransaction,
+                                      ASurfaceControl* aSurfaceControl, float frameRate) {
+    CHECK_NOT_NULL(aSurfaceTransaction);
+    CHECK_NOT_NULL(aSurfaceControl);
+
+    sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
+    if (frameRate < 0) {
+        ALOGE("Failed to set frame ate - invalid frame rate");
+        return;
+    }
+
+    Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
+    transaction->setFrameRate(surfaceControl, frameRate);
+}