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st/nine: Use Position input helper for ps3 declared inputs

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When the semantic is Position (which can happen with index 0 only),
use the helper to get Position input.

Cc: "11.2" <mesa-stable@lists.freedesktop.org>

Signed-off-by: Axel Davy <axel.davy@ens.fr>
(cherry picked from commit 8a8affdfda)
This commit is contained in:
Axel Davy 2016-02-21 16:35:31 +01:00 • committed by Emil Velikov
parent 7073248f2f
commit ac909bf6f7
1 changed files with 7 additions and 0 deletions
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7
src/gallium/state_trackers/nine/nine_shader.c
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@ -2052,9 +2052,16 @@ DECL_SPECIAL(DCL)
unsigned interp_location = 0;
/* SM3 only, SM2 input semantic determined by file */
assert(sem.reg.idx < Elements(tx->regs.v));
if (tgsi.Name == TGSI_SEMANTIC_POSITION) {
tx->regs.v[sem.reg.idx] = nine_get_position_input(tx);
return D3D_OK;
}
if (sem.reg.mod & NINED3DSPDM_CENTROID ||
(tgsi.Name == TGSI_SEMANTIC_COLOR && tx->info->force_color_in_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),