hwui: add reason for skipped frames
.. so we could report the unintentional skipped frames to Perfetto,
rather than report undrawn frames as well.
Test: manual
Bug: 294884928
Change-Id: Ic49f4050cb3028d7adb5c930947ff6b72655d832
diff --git a/libs/hwui/FrameInfo.cpp b/libs/hwui/FrameInfo.cpp
index 8191f5e..a958a09 100644
--- a/libs/hwui/FrameInfo.cpp
+++ b/libs/hwui/FrameInfo.cpp
@@ -15,6 +15,8 @@
*/
#include "FrameInfo.h"
+#include <gui/TraceUtils.h>
+
#include <cstring>
namespace android {
@@ -51,6 +53,30 @@
void FrameInfo::importUiThreadInfo(int64_t* info) {
memcpy(mFrameInfo, info, UI_THREAD_FRAME_INFO_SIZE * sizeof(int64_t));
+ mSkippedFrameReason.reset();
+}
+
+const char* toString(SkippedFrameReason reason) {
+ switch (reason) {
+ case SkippedFrameReason::DrawingOff:
+ return "DrawingOff";
+ case SkippedFrameReason::ContextIsStopped:
+ return "ContextIsStopped";
+ case SkippedFrameReason::NothingToDraw:
+ return "NothingToDraw";
+ case SkippedFrameReason::NoOutputTarget:
+ return "NoOutputTarget";
+ case SkippedFrameReason::NoBuffer:
+ return "NoBuffer";
+ case SkippedFrameReason::AlreadyDrawn:
+ return "AlreadyDrawn";
+ }
+}
+
+void FrameInfo::setSkippedFrameReason(android::uirenderer::SkippedFrameReason reason) {
+ ATRACE_FORMAT_INSTANT("Frame skipped: %s", toString(reason));
+ addFlag(FrameInfoFlags::SkippedFrame);
+ mSkippedFrameReason = reason;
}
} /* namespace uirenderer */