Vulkan: Fix crash when checking subgroup support on Mesa

This commit is contained in:
Stenzek 2019-03-30 00:18:26 +10:00
parent a6bb06174f
commit b685a66753
2 changed files with 20 additions and 2 deletions

View File

@ -100,6 +100,19 @@ VkInstance VulkanContext::CreateVulkanInstance(WindowSystemType wstype, bool ena
app_info.engineVersion = VK_MAKE_VERSION(5, 0, 0);
app_info.apiVersion = VK_MAKE_VERSION(1, 0, 0);
// Try for Vulkan 1.1 if the loader supports it.
if (vkEnumerateInstanceVersion)
{
u32 supported_api_version = 0;
VkResult res = vkEnumerateInstanceVersion(&supported_api_version);
if (res == VK_SUCCESS && (VK_VERSION_MAJOR(supported_api_version) > 1 ||
VK_VERSION_MINOR(supported_api_version) >= 1))
{
// The device itself may not support 1.1, so we check that before using any 1.1 functionality.
app_info.apiVersion = VK_MAKE_VERSION(1, 1, 0);
}
}
VkInstanceCreateInfo instance_create_info = {};
instance_create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
instance_create_info.pNext = nullptr;
@ -868,9 +881,13 @@ void VulkanContext::InitDriverDetails()
void VulkanContext::PopulateShaderSubgroupSupport()
{
// If this function isn't available, we don't support Vulkan 1.1.
if (!vkGetPhysicalDeviceProperties2)
// Vulkan 1.1 support is required for vkGetPhysicalDeviceProperties2(), but we can't rely on the
// function pointer alone.
if (!vkGetPhysicalDeviceProperties2 || (VK_VERSION_MAJOR(m_device_properties.apiVersion) == 1 &&
VK_VERSION_MINOR(m_device_properties.apiVersion) < 1))
{
return;
}
VkPhysicalDeviceProperties2 device_properties_2 = {};
device_properties_2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;

View File

@ -15,6 +15,7 @@ VULKAN_MODULE_ENTRY_POINT(vkGetInstanceProcAddr, true)
VULKAN_MODULE_ENTRY_POINT(vkGetDeviceProcAddr, true)
VULKAN_MODULE_ENTRY_POINT(vkEnumerateInstanceExtensionProperties, true)
VULKAN_MODULE_ENTRY_POINT(vkEnumerateInstanceLayerProperties, true)
VULKAN_MODULE_ENTRY_POINT(vkEnumerateInstanceVersion, false)
#endif // VULKAN_MODULE_ENTRY_POINT