Plumb new frameRateSelectionStrategy value
This new value will allow a parent layer to override the frame
rate specifications of all its descendants. This CL only plumbs the
value from Transaction to Layer.
Bug: 297418260
Test: atest CtsSurfaceControlTestsStaging
Test: atest libsurfaceflinger_unittest
Change-Id: Ibbda6ff6c143e931240178d89306822b4cce9669
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index e158f01..b068f48 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -1096,6 +1096,26 @@
ANATIVEWINDOW_FRAME_RATE_CATEGORY_HIGH = 4
};
+/*
+ * Frame rate selection strategy values that can be used in
+ * Transaction::setFrameRateSelectionStrategy.
+ */
+enum {
+ /**
+ * Default value. The layer uses its own frame rate specifications, assuming it has any
+ * specifications, instead of its parent's.
+ */
+ ANATIVEWINDOW_FRAME_RATE_SELECTION_STRATEGY_SELF = 0,
+
+ /**
+ * The layer's frame rate specifications will propagate to and override those of its descendant
+ * layers.
+ * The layer with this strategy has the ANATIVEWINDOW_FRAME_RATE_SELECTION_STRATEGY_SELF
+ * behavior for itself.
+ */
+ ANATIVEWINDOW_FRAME_RATE_SELECTION_STRATEGY_OVERRIDE_CHILDREN = 1,
+};
+
static inline int native_window_set_frame_rate(struct ANativeWindow* window, float frameRate,
int8_t compatibility, int8_t changeFrameRateStrategy) {
return window->perform(window, NATIVE_WINDOW_SET_FRAME_RATE, (double)frameRate,