Mesa (main): panfrost: Make alpha=0 NOP / 1 store Bifrost only

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Module: Mesa
Branch: main
Commit: dd735bcb698d053c33c311d9cc382068efa4e54a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dd735bcb698d053c33c311d9cc382068efa4e54a

Author: Alyssa Rosenzweig <alyssa at collabora.com>
Date:   Thu Apr  7 10:27:34 2022 -0400

panfrost: Make alpha=0 NOP / 1 store Bifrost only

These fields were removed in Valhall in favour of a simpler overdraw mechanism.

Signed-off-by: Alyssa Rosenzweig <alyssa at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15795>

---

 src/gallium/drivers/panfrost/pan_cmdstream.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/panfrost/pan_cmdstream.c b/src/gallium/drivers/panfrost/pan_cmdstream.c
index dc87f682e18..94ac319f833 100644
--- a/src/gallium/drivers/panfrost/pan_cmdstream.c
+++ b/src/gallium/drivers/panfrost/pan_cmdstream.c
@@ -361,10 +361,12 @@ panfrost_emit_blend(struct panfrost_batch *batch, void *rts, mali_ptr *blend_sha
                                         fs->info.bifrost.blend[i].format;
                                 cfg.fixed_function.rt = i;
 
+#if PAN_ARCH <= 7
                                 if (!info.opaque) {
                                         cfg.fixed_function.alpha_zero_nop = info.alpha_zero_nop;
                                         cfg.fixed_function.alpha_one_store = info.alpha_one_store;
                                 }
+#endif
                         }
                 }
 #endif