From b0e55c4d60d535d94c721865ea8fe48f4e9704f5 Mon Sep 17 00:00:00 2001
From: Konstantin Seurer <konstantin.seurer@gmail.com>
Date: Tue, 27 Dec 2022 14:35:23 +0100
Subject: [PATCH] vulkan: Allow passing NULL dispatch tables to vk_device_init

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20439>
---
 src/vulkan/runtime/vk_device.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/vulkan/runtime/vk_device.c b/src/vulkan/runtime/vk_device.c
index 3964be097e3..7768cdc29c3 100644
--- a/src/vulkan/runtime/vk_device.c
+++ b/src/vulkan/runtime/vk_device.c
@@ -139,11 +139,13 @@ vk_device_init(struct vk_device *device,
 
    device->physical = physical_device;
 
-   device->dispatch_table = *dispatch_table;
+   if (dispatch_table) {
+      device->dispatch_table = *dispatch_table;
 
-   /* Add common entrypoints without overwriting driver-provided ones. */
-   vk_device_dispatch_table_from_entrypoints(
-      &device->dispatch_table, &vk_common_device_entrypoints, false);
+      /* Add common entrypoints without overwriting driver-provided ones. */
+      vk_device_dispatch_table_from_entrypoints(
+         &device->dispatch_table, &vk_common_device_entrypoints, false);
+   }
 
    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
       int idx;