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authorBrian <brian.paul@tungstengraphics.com>2007-09-27 10:23:32 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-09-27 10:39:01 -0600
commit4f9d29cd4e876cd202a7d3e81f6d91fc7f9625a2 (patch)
tree5635ef6fcee76fd7ddbfbe142332a1855141502e /src
parent3ee6a77e97f7d2996f8fffdbb4787a9589189b39 (diff)
tweak point rast to fix conform failure
Diffstat (limited to 'src')
-rw-r--r--src/mesa/swrast/s_points.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mesa/swrast/s_points.c b/src/mesa/swrast/s_points.c
index 21316372e8..d54adc8fd1 100644
--- a/src/mesa/swrast/s_points.c
+++ b/src/mesa/swrast/s_points.c
@@ -172,9 +172,10 @@ sprite_point(GLcontext *ctx, const SWvertex *vert)
}
else {
/* even size */
- xmin = (GLint) x - iRadius;
+ /* 0.501 factor allows conformance to pass */
+ xmin = (GLint) (x + 0.501) - iRadius;
xmax = xmin + iSize - 1;
- ymin = (GLint) y - iRadius;
+ ymin = (GLint) (y + 0.501) - iRadius;
ymax = ymin + iSize - 1;
}
@@ -418,9 +419,10 @@ large_point(GLcontext *ctx, const SWvertex *vert)
}
else {
/* even size */
- xmin = (GLint) x - iRadius;
+ /* 0.501 factor allows conformance to pass */
+ xmin = (GLint) (x + 0.501) - iRadius;
xmax = xmin + iSize - 1;
- ymin = (GLint) y - iRadius;
+ ymin = (GLint) (y + 0.501) - iRadius;
ymax = ymin + iSize - 1;
}