From bba79ae6f579c695af040a997800b9d714cfd848 Mon Sep 17 00:00:00 2001
From: Michael Krasnitski <michael.krasnitski@gmail.com>
Date: Tue, 31 Mar 2026 01:04:39 -0400
Subject: [PATCH] Fix support for `PresentMode::AutoNoVsync`

Also fixes `PixelsBuilder::enable_vsync(false)` having no effect.
---
 src/builder.rs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/builder.rs b/src/builder.rs
index 6039950..8670fd5 100644
--- a/src/builder.rs
+++ b/src/builder.rs
@@ -313,10 +313,13 @@ impl<'req, 'dev, 'win, W: wgpu::WindowHandle + raw_window_handle::HasDisplayHand
         let (device, queue) = adapter.request_device(&device_descriptor).await?;
 
         let surface_capabilities = surface.get_capabilities(&adapter);
-        let present_mode = if surface_capabilities
-            .present_modes
-            .contains(&self.present_mode)
-        {
+        let present_mode_supported = match self.present_mode {
+            wgpu::PresentMode::AutoVsync | wgpu::PresentMode::AutoNoVsync => true,
+            _ => surface_capabilities
+                .present_modes
+                .contains(&self.present_mode),
+        };
+        let present_mode = if present_mode_supported {
             self.present_mode
         } else {
             wgpu::PresentMode::AutoVsync