const Texture &self = *static_cast<const Texture *>(this);
const VulkanFunctions &vk = device.get_functions();
+ VkFormat vk_format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
+ VkFormatProperties props;
+ vk.GetPhysicalDeviceFormatProperties(vk_format, props);
+
VkImageCreateInfo image_info = { };
image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
- image_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
+ image_info.format = vk_format;
image_info.extent.width = 1;
image_info.extent.height = 1;
image_info.extent.depth = 1;
image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT|VK_IMAGE_USAGE_TRANSFER_DST_BIT|VK_IMAGE_USAGE_SAMPLED_BIT;
+ if(props.optimalTilingFeatures&VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)
+ image_info.usage |= VK_IMAGE_USAGE_STORAGE_BIT;
+
PixelComponents comp = get_components(self.storage_fmt);
if(comp==DEPTH_COMPONENT || comp==STENCIL_INDEX)
image_info.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;