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freedreno/ir3: handle VARYING_SLOT_PNTC

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In the glsl->tgsi path, this already gets translated to VAR8, which
matches up with rasterizer->sprite_coord_enable.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2016-03-21 13:56:04 -04:00
parent 2f1581059b
commit 53cde5e295
1 changed files with 12 additions and 0 deletions
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12
src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
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@ -2031,6 +2031,18 @@ setup_input(struct ir3_compile *ctx, nir_variable *in)
so->inputs[n].bary = false;
so->frag_coord = true;
instr = create_frag_coord(ctx, i);
} else if (slot == VARYING_SLOT_PNTC) {
/* see for example st_get_generic_varying_index().. this is
* maybe a bit mesa/st specific. But we need things to line
* up for this in fdN_program:
* unsigned texmask = 1 << (slot - VARYING_SLOT_VAR0);
* if (emit->sprite_coord_enable & texmask) {
* ...
* }
*/
so->inputs[n].slot = VARYING_SLOT_VAR8;
so->inputs[n].bary = true;
instr = create_frag_input(ctx, false);
} else if (slot == VARYING_SLOT_FACE) {
so->inputs[n].bary = false;
so->frag_face = true;