core: better frame pacing function

Details explained in the comments on schedule_render(). Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2022-12-15 17:24:14 +00:00
parent 47ffaf0a38
commit a4fae2b60a
2 changed files with 97 additions and 79 deletions
--- a/src/common.h
+++ b/src/common.h
@@ -246,6 +246,9 @@ typedef struct session {
 	uint64_t last_msc_instant;
 	/// The last MSC number
 	uint64_t last_msc;
+	/// When the currently rendered frame will be displayed.
+	/// 0 means there is no pending frame.
+	uint64_t target_msc;
 	/// When did we render our last frame.
 	uint64_t last_render;
 	/// Whether we can perform frame pacing.