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authorZack Rusin <[email protected]>2010-10-07 16:26:17 -0400
committerJosé Fonseca <[email protected]>2010-10-09 08:19:21 +0100
commit6316d540564d116460bfd1382e3eee98480e28ff (patch)
treed53da33aa0f7d3485198fa6fa8133ee1f968724f
parente7843363a5cb1a7e6c206e2bc79f03bd58312820 (diff)
llvmpipe: fix rasterization of vertical lines on pixel boundaries
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_line.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_line.c b/src/gallium/drivers/llvmpipe/lp_setup_line.c
index 4d7d6235b07..693ac281752 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_line.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_line.c
@@ -475,7 +475,7 @@ try_setup_line( struct lp_setup_context *setup,
else {
/* do intersection test */
float xintersect = fracf(v2[0][0]) + y2diff * dxdy;
- draw_end = (xintersect < 1.0 && xintersect > 0.0);
+ draw_end = (xintersect < 1.0 && xintersect >= 0.0);
}
/* Are we already drawing start/end?
@@ -513,7 +513,7 @@ try_setup_line( struct lp_setup_context *setup,
x_offset_end = y_offset_end * dxdy;
}
}
-
+
/* x/y positions in fixed point */
x[0] = subpixel_snap(v1[0][0] + x_offset - setup->pixel_offset) - fixed_width/2;
x[1] = subpixel_snap(v2[0][0] + x_offset_end - setup->pixel_offset) - fixed_width/2;