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i965: don't swizzle fogcoord if FogOption is FOG_NONE.

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fix #10788 issue on 965.
This commit is contained in:
Xiang, Haihao 2008-02-15 16:13:11 +08:00
parent 7eef52e975
commit 83068115e2
1 changed files with 5 additions and 0 deletions
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5
src/mesa/drivers/dri/i965/brw_vs_tnl.c
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@ -1172,6 +1172,11 @@ static void build_fog( struct tnl_program *p )
}
else {
input = swizzle1(register_input(p, VERT_ATTRIB_FOG), X);
if (p->state->fog_option &&
p->state->tnl_do_vertex_fog)
input = swizzle1(register_input(p, VERT_ATTRIB_FOG), X);
else
input = register_input(p, VERT_ATTRIB_FOG);
}
if (p->state->fog_option &&