From 9773722c2b09d5f0615a47cecf4347859474dc56 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 12 Oct 2010 11:02:19 +0100 Subject: llvmpipe: try to keep plane c values small Avoid accumulating more and more fixed point bits. --- src/gallium/drivers/llvmpipe/lp_setup_line.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'src/gallium/drivers/llvmpipe/lp_setup_line.c') diff --git a/src/gallium/drivers/llvmpipe/lp_setup_line.c b/src/gallium/drivers/llvmpipe/lp_setup_line.c index 693ac28175..c940860850 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_line.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_line.c @@ -640,8 +640,7 @@ try_setup_line( struct lp_setup_context *setup, } } - plane->dcdx *= FIXED_ONE; - plane->dcdy *= FIXED_ONE; + plane->c = (plane->c + (FIXED_ONE-1)) / FIXED_ONE; /* find trivial reject offsets for each edge for a single-pixel * sized block. These will be scaled up at each recursive level to -- cgit v1.2.3