X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=quicksync_encoder.cpp;h=6cab461a98fe37bbb87a5c0e301829fa31162fb2;hb=fdf765b229349a1d1a30414341957a4d10a0b6c9;hp=1b36aa5246fbda3b19b5e65a5abc48365ab23840;hpb=4720dea1574992cdf28c0896c8fbca867978ba90;p=nageru

diff --git a/quicksync_encoder.cpp b/quicksync_encoder.cpp
index 1b36aa5..6cab461 100644
--- a/quicksync_encoder.cpp
+++ b/quicksync_encoder.cpp
@@ -1981,8 +1981,12 @@ void QuickSyncEncoderImpl::pass_frame(QuickSyncEncoderImpl::PendingFrame frame,
 	// Wait for the GPU to be done with the frame.
 	GLenum sync_status;
 	do {
-		sync_status = glClientWaitSync(frame.fence.get(), 0, 1000000000);
+		sync_status = glClientWaitSync(frame.fence.get(), 0, 0);
 		check_error();
+		if (sync_status == GL_TIMEOUT_EXPIRED) {
+			// NVIDIA likes to busy-wait; yield instead.
+			this_thread::sleep_for(milliseconds(1));
+		}
 	} while (sync_status == GL_TIMEOUT_EXPIRED);
 	assert(sync_status != GL_WAIT_FAILED);