diff options
author | Zack Rusin <[email protected]> | 2013-10-24 22:05:22 -0400 |
---|---|---|
committer | Zack Rusin <[email protected]> | 2013-11-25 13:05:03 -0500 |
commit | 0510ec67e2c5b5ddb4755564314ccfe057555984 (patch) | |
tree | 0e9c19cf4e6f3ad63d0fc0818056a2f3de41e523 /src/gallium/drivers/llvmpipe/lp_setup_line.c | |
parent | 5455c818b558cdc618441988434eb2755cd98b67 (diff) |
llvmpipe: support 8bit subpixel precision
8 bit precision is required by d3d10 but unfortunately
requires 64 bit rasterizer. This commit implements
64 bit rasterization with full support for 8bit subpixel
precision. It's a combination of all individual commits
from the llvmpipe-rast-64 branch.
Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: José Fonseca <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_line.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_line.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_line.c b/src/gallium/drivers/llvmpipe/lp_setup_line.c index e1686eaabf6..9b3321e3ec1 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_line.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_line.c @@ -641,7 +641,7 @@ try_setup_line( struct lp_setup_context *setup, /* half-edge constants, will be interated over the whole render * target. */ - plane[i].c = plane[i].dcdx * x[i] - plane[i].dcdy * y[i]; + plane[i].c = IMUL64(plane[i].dcdx, x[i]) - IMUL64(plane[i].dcdy, y[i]); /* correct for top-left vs. bottom-left fill convention. |