They're just images and we have no intention of stompping alpha channels
(at least not yet), so there's no reason why you can't sample.
VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
caps->supportedUsageFlags =
+ VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
+ VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
caps->maxImageArrayLayers = 1;
caps->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR;
caps->supportedUsageFlags =
+ VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
+ VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;