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gallium: fixup register indexes for fog/frontface/point coord

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This commit is contained in:
Zack Rusin
2009-07-07 12:48:50 -07:00
parent 71633abafc
commit 7b861b9b9e
1 changed files with 12 additions and 3 deletions
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15
src/mesa/state_tracker/st_atom_shader.c
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@@ -142,9 +142,18 @@ find_translated_vp(struct st_context *st,
if ((fragInputsRead & FRAG_BIT_FOGC)) { if ((fragInputsRead & FRAG_BIT_FOGC)) {
/* leave placeholders for the /* leave placeholders for the
* extra registers we extract from fog */ * extra registers we extract from fog */
if (stfp->Base.UsesFrontFacing || if (stfp->Base.UsesFrontFacing) {
stfp->Base.UsesPointCoord) { if (!stfp->Base.UsesFogFragCoord)
numIn += 2; --stfp->input_to_slot[inAttr];
else
++numIn;
}
if (stfp->Base.UsesPointCoord) {
if (!stfp->Base.UsesFrontFacing &&
!stfp->Base.UsesFogFragCoord)
stfp->input_to_slot[inAttr] -= 2;
else
++numIn;
} }
} }
} }