+
+ /* Call GetImageFormatProperties with every modifier and filter the list
+ * down to those that we know work.
+ */
+ modifier_prop_count = 0;
+ for (uint32_t i = 0; i < modifier_props_list.drmFormatModifierCount; i++) {
+ VkPhysicalDeviceImageDrmFormatModifierInfoEXT mod_info = {
+ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT,
+ .drmFormatModifier = modifier_props[i].drmFormatModifier,
+ .sharingMode = pCreateInfo->imageSharingMode,
+ .queueFamilyIndexCount = pCreateInfo->queueFamilyIndexCount,
+ .pQueueFamilyIndices = pCreateInfo->pQueueFamilyIndices,
+ };
+ VkPhysicalDeviceImageFormatInfo2 format_info = {
+ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
+ .format = pCreateInfo->imageFormat,
+ .type = VK_IMAGE_TYPE_2D,
+ .tiling = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT,
+ .usage = pCreateInfo->imageUsage,
+ .flags = image_info.flags,
+ };
+
+ VkImageFormatListCreateInfoKHR format_list;
+ if (image_info.flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT) {
+ format_list = image_format_list;
+ format_list.pNext = NULL;
+ __vk_append_struct(&format_info, &format_list);
+ }
+
+ VkImageFormatProperties2 format_props = {
+ .sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2,
+ .pNext = NULL,
+ };
+ __vk_append_struct(&format_info, &mod_info);
+ result = wsi->GetPhysicalDeviceImageFormatProperties2(wsi->pdevice,
+ &format_info,
+ &format_props);
+ if (result == VK_SUCCESS)
+ modifier_props[modifier_prop_count++] = modifier_props[i];
+ }