diff options
| author | Zack Rusin <zackr@vmware.com> | 2010-10-07 16:26:17 -0400 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-10-09 08:19:21 +0100 |
| commit | 6316d540564d116460bfd1382e3eee98480e28ff (patch) | |
| tree | d53da33aa0f7d3485198fa6fa8133ee1f968724f /src/gallium/drivers/llvmpipe/lp_setup_line.c | |
| parent | e7843363a5cb1a7e6c206e2bc79f03bd58312820 (diff) | |
llvmpipe: fix rasterization of vertical lines on pixel boundaries
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_line.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_line.c | 4 |
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 4d7d6235b0..693ac28175 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; |