Mesa (master): st/nine: Declare lighting consts for ff shaders
Axel Davy
axeldavy at kemper.freedesktop.org
Fri Apr 6 21:35:02 UTC 2018
Module: Mesa
Branch: master
Commit: 39240926cd45519f35a6fa576c387f727b057aa1
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=39240926cd45519f35a6fa576c387f727b057aa1
Author: Axel Davy <davyaxel0 at gmail.com>
Date: Mon Apr 2 18:25:35 2018 +0200
st/nine: Declare lighting consts for ff shaders
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>
Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>
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));
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