From 883f18f761b98397e19cebfed8328c1c72c40d78 Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Tue, 24 Jan 2023 14:15:26 +0000
Subject: [PATCH] radv: skip creation of null TLAS for null winsys

This won't work because there are no memory types.

Fixes fossilize replay with NULL winsys.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Friedrich Vock <friedrich.vock@gmx.de>
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Fixes: 31ca19589fe ("radv: Create a null TLAS as meta state")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20878>
---
 src/amd/vulkan/radv_acceleration_structure.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/vulkan/radv_acceleration_structure.c b/src/amd/vulkan/radv_acceleration_structure.c
index 6e6bf7107c3..c1c43ad42f3 100644
--- a/src/amd/vulkan/radv_acceleration_structure.c
+++ b/src/amd/vulkan/radv_acceleration_structure.c
@@ -469,6 +469,9 @@ radix_sort_fill_buffer(VkCommandBuffer commandBuffer,
 VkResult
 radv_device_init_null_accel_struct(struct radv_device *device)
 {
+   if (device->physical_device->memory_properties.memoryTypeCount == 0)
+      return VK_SUCCESS; /* Exit in the case of null winsys. */
+
    VkDevice _device = radv_device_to_handle(device);
 
    uint32_t bvh_offset = ALIGN(sizeof(struct radv_accel_struct_header), 64);