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st/nine: Fix centroid flag

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sem.reg.mod & NINED3DSPDM_CENTROID is worth 4 when
centroid is requested, whereas
TGSI_INTERPOLATE_LOC_CENTROID is worth 1.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2016-01-28 22:44:42 +01:00
parent ee31f0fed4
commit d5389bb92d
1 changed files with 4 additions and 1 deletions
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5
src/gallium/state_trackers/nine/nine_shader.c
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@ -2042,13 +2042,16 @@ DECL_SPECIAL(DCL)
}
} else {
if (is_input && tx->version.major >= 3) {
unsigned interp_location = 0;
/* SM3 only, SM2 input semantic determined by file */
assert(sem.reg.idx < Elements(tx->regs.v));
if (sem.reg.mod & NINED3DSPDM_CENTROID)
interp_location = TGSI_INTERPOLATE_LOC_CENTROID;
tx->regs.v[sem.reg.idx] = ureg_DECL_fs_input_cyl_centroid(
ureg, tgsi.Name, tgsi.Index,
nine_tgsi_to_interp_mode(&tgsi),
0, /* cylwrap */
sem.reg.mod & NINED3DSPDM_CENTROID, 0, 1);
interp_location, 0, 1);
} else
if (!is_input && 0) { /* declare in COLOROUT/DEPTHOUT case */
/* FragColor or FragDepth */