--- a/src/vulkan_helpers.nim	Mon Dec 19 10:56:04 2022 +0700
+++ b/src/vulkan_helpers.nim	Tue Dec 20 00:28:05 2022 +0700
@@ -16,8 +16,8 @@
   when defined(release):
     discard call
   else:
+    debug(&"CALLING vulkan: {astToStr(call)}")
     let value = call
-    debug(&"CALLING vulkan: {astToStr(call)}")
     if value != VK_SUCCESS:
       raise newException(Exception, "Vulkan error: " & astToStr(call) & " returned " & $value)
 
@@ -31,6 +31,12 @@
     if format.format == VK_FORMAT_B8G8R8A8_SRGB and format.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR:
       result.add(format)
 
+proc getSuitableSurfaceFormat*(formats: seq[VkSurfaceFormatKHR]): VkSurfaceFormatKHR =
+  let usableSurfaceFormats = filterForSurfaceFormat(formats)
+  if len(usableSurfaceFormats) == 0:
+    raise newException(Exception, "No suitable surface formats found")
+  return usableSurfaceFormats[0]
+
 
 proc cleanString*(str: openArray[char]): string =
   for i in 0 ..< len(str):