anv: fixup streamout write barriers

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/8796
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22336>

diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index b71f25b..bec5456 100644 (file)
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -2218,8 +2218,12 @@ anv_pipe_flush_bits_for_access_flags(struct anv_device *device,
          /* We're transitioning a buffer written either from VS stage or from
           * the command streamer (see CmdEndTransformFeedbackEXT), we just
           * need to stall the CS.
+          *
+          * Streamout writes apparently bypassing L3, in order to make them
+          * visible to the destination, we need to invalidate the other
+          * caches.
           */
-         pipe_bits |= ANV_PIPE_CS_STALL_BIT;
+         pipe_bits |= ANV_PIPE_CS_STALL_BIT | ANV_PIPE_INVALIDATE_BITS;
          break;
       default:
          break; /* Nothing to do */