Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases

1 files changed, 10 insertions, 0 deletions

diff --git a/libblastem.c b/libblastem.c
index d02a318..32065e4 100644
--- a/libblastem.c
+++ b/libblastem.c
@@ -316,6 +316,16 @@ int render_fullscreen(void)
 	return 1;
 }
 
+uint32_t render_overscan_top()
+{
+	return 0;
+}
+
+uint32_t render_overscan_bot()
+{
+	return 0;
+}
+
 void process_events()
 {
 	static int16_t prev_state[2][RETRO_DEVICE_ID_JOYPAD_L2];