From 8edee1e25b62aa0a60dfa060f68c35cf4e60f59e Mon Sep 17 00:00:00 2001
From: Konstantin Seurer <konstantin.seurer@gmail.com>
Date: Sat, 17 May 2025 10:59:15 +0200
Subject: [PATCH] lavapipe: Fail device enumeration when DRAW_USE_LLVM=0 is set

DRAW_USE_LLVM=0 is not supported and crashes.

Acked-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35036>
---
 src/gallium/frontends/lavapipe/lvp_device.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/frontends/lavapipe/lvp_device.c b/src/gallium/frontends/lavapipe/lvp_device.c
index c0e39e2b252..2daf5cb5f61 100644
--- a/src/gallium/frontends/lavapipe/lvp_device.c
+++ b/src/gallium/frontends/lavapipe/lvp_device.c
@@ -34,6 +34,7 @@
 #include "pipe/p_defines.h"
 #include "pipe/p_state.h"
 #include "pipe/p_context.h"
+#include "draw/draw_context.h"
 #include "frontend/drisw_api.h"
 
 #include "util/u_inlines.h"
@@ -1459,6 +1460,9 @@ static struct drisw_loader_funcs lvp_sw_lf = {
 static VkResult
 lvp_enumerate_physical_devices(struct vk_instance *vk_instance)
 {
+   if (!draw_get_option_use_llvm())
+      return VK_SUCCESS;
+
    struct lvp_instance *instance =
       container_of(vk_instance, struct lvp_instance, vk);