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authorNicolai Hähnle <[email protected]>2017-04-06 16:44:11 +0200
committerNicolai Hähnle <[email protected]>2017-04-06 20:26:27 +0200
commit2357e7a202f30d091f548674779ac946af7b7b3f (patch)
tree183b169fc8bb287e4e159d1a28ed3347c217977c
parentb2c97bc789198427043cd902bc76e194e7e81c7d (diff)
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 <[email protected]> Fixes: 4cf29427770f ("radeonsi: support 64-bit system values") Reviewed-by: Marek Olšák <[email protected]>
-rw-r--r--src/mesa/state_tracker/st_pbo.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_pbo.c b/src/mesa/state_tracker/st_pbo.c
index 2c63c092ed5..1ded58392c1 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));
}
}