enabel vsync

tape-drive/src/main.rs

@@ -4,6 +4,7 @@
 const DUMP_SPV_TO_FILE: bool = false;
 const PIPELINE_CACHING: bool = false;
 const IGNORE_STENCIL: bool = true;
+const VSYNC: bool = true;
 
 const DEFAULT_SUBDIVISION: u32 = 16;
 const MAXIMUM_SUBDIVISION: u32 = 64;
@@ -678,6 +679,9 @@ impl ApplicationHandler for App {
         let window_size = window.inner_size();
 
         let (swapchain, images) = {
+            let present_mode = if VSYNC {
+                PresentMode::Fifo
+            } else {
                 let present_modes = self
                     .device
                     .physical_device()
@@ -687,7 +691,8 @@ impl ApplicationHandler for App {
                 let present_mode = present_modes
                     .into_iter()
                     .min_by_key(|p| {
-                    // We assign a lower score to device types that are likely to be faster/better.
+                        // We assign a lower score to device types that are likely to be
+                        // faster/better.
                         match p {
                             PresentMode::Mailbox => 0,
                             PresentMode::FifoRelaxed => 1,
@@ -697,6 +702,8 @@ impl ApplicationHandler for App {
                         }
                     })
                     .unwrap();
+                present_mode
+            };
 
             info!("Using present mode {:?}.", present_mode);