From 14bf10c1adce11c9e208d9269e9e048eef61ef8b Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Wed, 14 Jun 2023 08:29:24 -0400
Subject: [PATCH] zink: no-op redundant samplemask changes

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23758>
---
 src/gallium/drivers/zink/zink_context.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_context.c b/src/gallium/drivers/zink/zink_context.c
index 0fc845f..2e63a09 100644
--- a/src/gallium/drivers/zink/zink_context.c
+++ b/src/gallium/drivers/zink/zink_context.c
@@ -3546,6 +3546,8 @@ static void
 zink_set_sample_mask(struct pipe_context *pctx, unsigned sample_mask)
 {
    struct zink_context *ctx = zink_context(pctx);
+   if (ctx->gfx_pipeline_state.sample_mask == sample_mask)
+      return;
    ctx->gfx_pipeline_state.sample_mask = sample_mask;
    zink_flush_dgc_if_enabled(ctx);
    if (zink_screen(pctx->screen)->have_full_ds3)
-- 
2.7.4