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Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state_msaa.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_state_msaa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_msaa.c b/src/gallium/drivers/radeonsi/si_state_msaa.c
index e6d97fe6727..0fa38918b20 100644
--- a/src/gallium/drivers/radeonsi/si_state_msaa.c
+++ b/src/gallium/drivers/radeonsi/si_state_msaa.c
@@ -82,6 +82,10 @@
* Right half: {1,3,5,7,9,11,13,15}
*/
+/* Important note: We have to use the standard DX positions, because
+ * the primitive discard compute shader relies on them.
+ */
+
/* 1x MSAA */
static const uint32_t sample_locs_1x =
FILL_SREG( 0, 0, 0, 0, 0, 0, 0, 0); /* S1, S2, S3 fields are not used by 1x */