[Mesa-stable] [PATCH] st/nine: Declare lighting consts for ff shaders

[Axel Davy]

The lighting constants were not declared previously,
but were accessed with indirect addressing, which is
illegal.

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=105442

Signed-off-by: Axel Davy <davyaxel0 at gmail.com>

CC: "17.3 18.0" <mesa-stable at lists.freedesktop.org>
---
 src/gallium/state_trackers/nine/nine_ff.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c
index d7b697caee..fabc1d3b88 100644
--- a/src/gallium/state_trackers/nine/nine_ff.c
+++ b/src/gallium/state_trackers/nine/nine_ff.c
@@ -810,6 +810,10 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs)
 
         const unsigned loop_label = l++;
 
+        /* Declare all light constants to allow indirect adressing */
+        for (i = 32; i < 96; i++)
+            ureg_DECL_constant(ureg, i);
+
         ureg_MOV(ureg, rCtr, ureg_imm1f(ureg, 32.0f)); /* &lightconst(0) */
         ureg_MOV(ureg, rD, ureg_imm1f(ureg, 0.0f));
         ureg_MOV(ureg, rA, ureg_imm1f(ureg, 0.0f));
-- 
2.16.2