From: Brian Paul <brianp@vmware.com>
Date: Wed, 9 Feb 2011 20:11:12 +0000 (-0700)
Subject: draw: tweak AA line texture minimum alpha
X-Git-Tag: android-x86-2.2-r2~764
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=413511f7967260c61085a4fa61bebdcc385cf7ca;p=android-x86%2Fexternal-mesa.git

draw: tweak AA line texture minimum alpha

AA lines drawn as textured quads look a little better with this change.
Conformance/piglit tests still pass.
---

diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index 0851b9acc0d..af4cea85948 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -461,7 +461,7 @@ aaline_create_texture(struct aaline_stage *aaline)
                d = 200; /* tuneable */
             }
             else if (i == 0 || j == 0 || i == size - 1 || j == size - 1) {
-               d = 0;
+               d = 35;  /* edge texel */
             }
             else {
                d = 255;