i965/skl: Emit extra zeros in 3DSTATE_DS on Skylake.

Skylake's 3DSTATE_DS packet has a few more fields; we don't support
domain shaders yet though.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/gen8_disable.c b/src/mesa/drivers/dri/i965/gen8_disable.c
index 276bd2e55fd12f1ee06f621e87a1513476ffe364..0839a4999a21a22da525d369be70e31e512a0b38 100644 (file)
--- a/src/mesa/drivers/dri/i965/gen8_disable.c
+++ b/src/mesa/drivers/dri/i965/gen8_disable.c
@@ -92,16 +92,11 @@ disable_stages(struct brw_context *brw)
    OUT_BATCH(0);
    ADVANCE_BATCH();
 
-   BEGIN_BATCH(9);
-   OUT_BATCH(_3DSTATE_DS << 16 | (9 - 2));
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
-   OUT_BATCH(0);
+   int ds_pkt_len = brw->gen >= 9 ? 11 : 9;
+   BEGIN_BATCH(ds_pkt_len);
+   OUT_BATCH(_3DSTATE_DS << 16 | (ds_pkt_len - 2));
+   for (int i = 0; i < ds_pkt_len - 1; i++)
+      OUT_BATCH(0);
    ADVANCE_BATCH();
 
    BEGIN_BATCH(2);