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--- ui/gl/sync_control_vsync_provider.cc.orig 2020-11-13 06:37:06 UTC
+++ ui/gl/sync_control_vsync_provider.cc
@@ -11,7 +11,7 @@
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
-#if defined(OS_LINUX) || defined(OS_CHROMEOS)
+#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
// These constants define a reasonable range for a calculated refresh interval.
// Calculating refreshes out of this range will be considered a fatal error.
const int64_t kMinVsyncIntervalUs = base::Time::kMicrosecondsPerSecond / 400;
@@ -26,7 +26,7 @@ const double kRelativeIntervalDifferenceThreshold = 0.
namespace gl {
SyncControlVSyncProvider::SyncControlVSyncProvider() : gfx::VSyncProvider() {
-#if defined(OS_LINUX) || defined(OS_CHROMEOS)
+#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
// On platforms where we can't get an accurate reading on the refresh
// rate we fall back to the assumption that we're displaying 60 frames
// per second.
@@ -48,7 +48,7 @@ bool SyncControlVSyncProvider::GetVSyncParametersIfAva
base::TimeTicks* timebase_out,
base::TimeDelta* interval_out) {
TRACE_EVENT0("gpu", "SyncControlVSyncProvider::GetVSyncParameters");
-#if defined(OS_LINUX) || defined(OS_CHROMEOS)
+#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
// The actual clock used for the system time returned by glXGetSyncValuesOML
// is unspecified. In practice, the clock used is likely to be either
// CLOCK_REALTIME or CLOCK_MONOTONIC, so we compare the returned time to the
@@ -156,11 +156,11 @@ bool SyncControlVSyncProvider::GetVSyncParametersIfAva
return true;
#else
return false;
-#endif // defined(OS_LINUX) || defined(OS_CHROMEOS)
+#endif // defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
}
bool SyncControlVSyncProvider::SupportGetVSyncParametersIfAvailable() const {
-#if defined(OS_LINUX) || defined(OS_CHROMEOS)
+#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
return true;
#else
return false;
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