Mesa (master): llvmpipe: don't refer to plane-> step when dcdx or dcdy would do
Keith Whitwell
keithw at kemper.freedesktop.org
Sun Aug 15 16:33:58 UTC 2010
Module: Mesa
Branch: master
Commit: ee0d1c29eeddfa364a18783507acd4d031029ba2
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ee0d1c29eeddfa364a18783507acd4d031029ba2
Author: Keith Whitwell <keithw at vmware.com>
Date: Sun Aug 15 17:22:25 2010 +0100
llvmpipe: don't refer to plane->step when dcdx or dcdy would do
---
src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h b/src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h
index 6d0be76..905f3df 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h
+++ b/src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h
@@ -51,8 +51,8 @@ TAG(do_block_4)(struct lp_rasterizer_task *task,
for (j = 0; j < NR_PLANES; j++) {
mask &= ~build_mask(c[j] - 1,
- plane[j].step[1],
- plane[j].step[2]);
+ -plane[j].dcdx,
+ plane[j].dcdy);
}
/* Now pass to the shader:
@@ -79,8 +79,8 @@ TAG(do_block_16)(struct lp_rasterizer_task *task,
partmask = 0; /* outside one or more trivial accept planes */
for (j = 0; j < NR_PLANES; j++) {
- const int dcdx = plane[j].step[1] * 4;
- const int dcdy = plane[j].step[2] * 4;
+ const int dcdx = -plane[j].dcdx * 4;
+ const int dcdy = plane[j].dcdy * 4;
const int cox = c[j] + plane[j].eo * 4;
const int cio = c[j] + plane[j].ei * 4 - 1;
@@ -164,8 +164,8 @@ TAG(lp_rast_triangle)(struct lp_rasterizer_task *task,
}
for (j = 0; j < NR_PLANES; j++) {
- const int dcdx = plane[j].step[1] * 16;
- const int dcdy = plane[j].step[2] * 16;
+ const int dcdx = -plane[j].dcdx * 16;
+ const int dcdy = plane[j].dcdy * 16;
const int cox = c[j] + plane[j].eo * 16;
const int cio = c[j] + plane[j].ei * 16 - 1;
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