Module: Mesa
Branch: master
Commit: 2357e7a202f30d091f548674779ac946af7b7b3f
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=2357e7a202f30d091f548674779ac946af7b7b3f
Author: Nicolai Hähnle <nicolai.haeh...@amd.com>
Date: Thu Apr 6 16:44:11 2017 +0200
st/pbo: select the right swizzle for instance IDs
The system value only has an X component, and radeonsi started
checking that in debug builds.
Reported-by: Michel Dänzer <michel.daen...@amd.com>
Fixes: 4cf29427770f ("radeonsi: support 64-bit system values")
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
---
src/mesa/state_tracker/st_pbo.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mesa/state_tracker/st_pbo.c b/src/mesa/state_tracker/st_pbo.c
index 2c63c092ed..1ded58392c 100644
--- a/src/mesa/state_tracker/st_pbo.c
+++ b/src/mesa/state_tracker/st_pbo.c
@@ -333,7 +333,8 @@ st_pbo_create_vs(struct st_context *st)
ureg_scalar(in_instanceid, TGSI_SWIZZLE_X));
} else {
/* out_layer = gl_InstanceID */
- ureg_MOV(ureg, out_layer, in_instanceid);
+ ureg_MOV(ureg, ureg_writemask(out_layer, TGSI_WRITEMASK_X),
+ ureg_scalar(in_instanceid, TGSI_SWIZZLE_X));
}
}
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