From fdb9ce608758bd63ff9cde151b31612f38cb3c84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tapani=20P=C3=A4lli?= <tapani.palli@intel.com>
Date: Mon, 1 Jun 2026 08:36:44 +0300
Subject: [PATCH] anv: skip writing xfb buffer if we get null information
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Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/work_items/15582
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41930>
---
 src/intel/vulkan/genX_cmd_draw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/intel/vulkan/genX_cmd_draw.c b/src/intel/vulkan/genX_cmd_draw.c
index 84dceffd5ff..a3ec911cb7d 100644
--- a/src/intel/vulkan/genX_cmd_draw.c
+++ b/src/intel/vulkan/genX_cmd_draw.c
@@ -2443,6 +2443,10 @@ void genX(CmdEndTransformFeedback2EXT)(
                              "end transform feedback");
    genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
 
+   /* No address provided, nothing to write. */
+   if (!pCounterInfos)
+      goto end_xfb;
+
    for (uint32_t cb_idx = 0; cb_idx < counterRangeCount; cb_idx++) {
       unsigned idx = firstCounterRange + cb_idx;
 
@@ -2460,6 +2464,7 @@ void genX(CmdEndTransformFeedback2EXT)(
       }
    }
 
+end_xfb:
    trace_intel_end_xfb(&cmd_buffer->trace);
 
    cmd_buffer->state.xfb_enabled = false;