implement clipped drawing. take branching out of the upscaler loop.

the rasterizers now produce a bbox of used fragments/pixels that
are unified at the end of every job/frame. we use that when
drawing so only the part that was rasterized gets sent to devdraw.

1 files changed, 1 insertions, 0 deletions

diff --git a/internal.h b/internal.h
index 3173f75..4fc197a 100644
--- a/internal.h
+++ b/internal.h
@@ -36,6 +36,7 @@ struct Rastertask
 {
 	SUparams *params;
 	Rectangle wr;		/* working rect */
+	Rectangle *clipr;
 	Primitive p;
 };