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zink: check for error when calling vkEnumeratePhysicalDevices

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It seems it's possible for Lavapipe to fail to enumerate the physical
devices, so let's handle that and fail all the way up here.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7881>
This commit is contained in:
Erik Faye-Lund 2021-02-05 12:48:37 +01:00 • committed by Marge Bot
parent cc8613c8d5
commit 6b38b1ccaf
1 changed files with 6 additions and 2 deletions
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8
src/gallium/drivers/zink/zink_screen.c
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@ -710,11 +710,15 @@ choose_pdev(const VkInstance instance)
{
uint32_t i, pdev_count;
VkPhysicalDevice *pdevs, pdev = NULL;
vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
VkResult result = vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
if (result != VK_SUCCESS)
return VK_NULL_HANDLE;
assert(pdev_count > 0);
pdevs = malloc(sizeof(*pdevs) * pdev_count);
vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
result = vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
assert(result == VK_SUCCESS);
assert(pdev_count > 0);
for (i = 0; i < pdev_count; ++i) {