handle special case in swapnchain creation

vulkan-rs/src/swapchain.rs

@@ -50,11 +50,15 @@ impl Swapchain {
         image_usage: impl Into<VkImageUsageFlagBits>,
         prefered_format: VkFormat,
         array_layers: u32,
+        window_size: (u32, u32),
     ) -> Result<Arc<Swapchain>> {
         let surface_caps = surface.capabilities(&device)?;
 
         let extent = if surface_caps.currentExtent.width == u32::max_value() {
-            return Err(anyhow::Error::msg("Surface has no extent"));
+            VkExtent2D {
+                width: window_size.0,
+                height: window_size.1,
+            }
         } else {
             VkExtent2D {
                 width: surface_caps.currentExtent.width,
@@ -178,7 +182,7 @@ impl Swapchain {
         })
     }
 
-    pub fn recreate(&self) -> Result<()> {
+    pub fn recreate(&self, window_size: (u32, u32)) -> Result<()> {
         // wait for the device to get idle
         self.device.wait_idle()?;
 
@@ -187,7 +191,10 @@ impl Swapchain {
         let extent = if surface_caps.currentExtent.width == u32::max_value()
             || surface_caps.currentExtent.height == u32::max_value()
         {
-            return Err(anyhow::Error::msg("Surface has no extent"));
+            VkExtent2D {
+                width: window_size.0,
+                height: window_size.1,
+            }
         } else if surface_caps.currentExtent.width == 0 || surface_caps.currentExtent.height == 0 {
             // don't recreate swapchain
             return Ok(());