From: Brian Paul <brianp@vmware.com>
Date: Thu, 24 Mar 2011 17:32:33 +0000 (-0600)
Subject: svga: adjust triangle rasterization offset
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4c75d5ae63c356ac9b6d23009ccc9af6205dbb4a;p=mesa.git

svga: adjust triangle rasterization offset

Fixes minor sub-pixel positioning error in some apps.
---

diff --git a/src/gallium/drivers/svga/svga_state_framebuffer.c b/src/gallium/drivers/svga/svga_state_framebuffer.c
index cdadb20c178..8ad6ab4c29c 100644
--- a/src/gallium/drivers/svga/svga_state_framebuffer.c
+++ b/src/gallium/drivers/svga/svga_state_framebuffer.c
@@ -296,7 +296,7 @@ static int emit_viewport( struct svga_context *svga,
          break;
       case PIPE_PRIM_POINTS:
       case PIPE_PRIM_TRIANGLES:
-         adjust_x = -0.375;
+         adjust_x = -0.25;
          adjust_y = -0.5;
          break;
       }