yquake2/ref_vk
0
0
Fork 0
mirror of https://github.com/yquake2/ref_vk.git synced 2024-11-12 23:54:28 +00:00
Code Issues Projects Releases Packages Wiki Activity

Instance handling fallback.

Browse source 
When the validation layers fails (or not present) then we "surprisingly"
 fallback to a GL renderer losing all settings too.
Here we try to create the instance but without the validation part then.
This commit is contained in:
David CARLIER 2022-06-28 21:18:43 +01:00
parent bfd5659abc
commit fe554ca0cc
1 changed files with 16 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/vk/vk_common.c
View file

@ -1822,14 +1822,29 @@ qboolean QVk_Init(void)
}
VkResult res = vkCreateInstance(&createInfo, NULL, &vk_instance);
free(wantedExtensions);
if (res != VK_SUCCESS)
{
if (res == VK_ERROR_LAYER_NOT_PRESENT && vk_validation->value) {
// we give a "last try" if the validation layer fails
// before falling back to a GL renderer
createInfo.enabledLayerCount = 0;
createInfo.ppEnabledLayerNames = 0;
createInfo.pNext = NULL;
memset(vk_config.layers, 0, sizeof(vk_config.layers));
ri.Cvar_Set("vk_validation", "0");
R_Printf(PRINT_ALL, "%s(): Could not create Vulkan instance, disabling vk_validation\n", __func__);
if (vkCreateInstance(&createInfo, NULL, &vk_instance) == VK_SUCCESS) {
goto done;
}
}
R_Printf(PRINT_ALL, "%s(): Could not create Vulkan instance: %s\n", __func__, QVk_GetError(res));
free(wantedExtensions);
return false;
}
done:
free(wantedExtensions);
volkLoadInstance(vk_instance);
R_Printf(PRINT_ALL, "...created Vulkan instance\n");