From: Keith Whitwell Date: Mon, 19 Oct 2009 10:29:05 +0000 (+0100) Subject: llvmpipe: correctly scale top/left fill adjustments X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=269342d916fff3bf0fa0a5c1f26aec30b62ed352;p=mesa.git llvmpipe: correctly scale top/left fill adjustments Was overdoing it previously. --- diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c index 961bd103a7b..89b2b4eb37c 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c @@ -328,9 +328,9 @@ do_triangle_ccw(struct setup_context *setup, /* correct for top-left fill convention: */ - if (tri->dy12 < 0 || (tri->dy12 == 0 && tri->dx12 > 0)) tri->c1++; - if (tri->dy23 < 0 || (tri->dy23 == 0 && tri->dx23 > 0)) tri->c2++; - if (tri->dy31 < 0 || (tri->dy31 == 0 && tri->dx31 > 0)) tri->c3++; + if (tri->dy12 < 0 || (tri->dy12 == 0 && tri->dx12 > 0)) tri->c1 += 1.0/16.0f; + if (tri->dy23 < 0 || (tri->dy23 == 0 && tri->dx23 > 0)) tri->c2 += 1.0/16.0f; + if (tri->dy31 < 0 || (tri->dy31 == 0 && tri->dx31 > 0)) tri->c3 += 1.0/16.0f; /* find trivial reject offsets for each edge for a single-pixel * sized block. These will be scaled up at each recursive level to