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authorKeith Whitwell <[email protected]>2010-10-12 11:02:19 +0100
committerKeith Whitwell <[email protected]>2010-10-12 11:50:14 +0100
commit9773722c2b09d5f0615a47cecf4347859474dc56 (patch)
tree090756b3a7a04abed570d0413f865b5b6f48d71c /src/gallium/drivers/llvmpipe/lp_setup_line.c
parent9d59e148f86c1de2c69639d389398d7435cc193e (diff)
llvmpipe: try to keep plane c values small
Avoid accumulating more and more fixed point bits.
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_line.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_line.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_line.c b/src/gallium/drivers/llvmpipe/lp_setup_line.c
index 693ac281752..c940860850e 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_line.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_line.c
@@ -640,8 +640,7 @@ try_setup_line( struct lp_setup_context *setup,
}
}
- plane->dcdx *= FIXED_ONE;
- plane->dcdy *= FIXED_ONE;
+ plane->c = (plane->c + (FIXED_ONE-1)) / FIXED_ONE;
/* find trivial reject offsets for each edge for a single-pixel
* sized block. These will be scaled up at each recursive level to