From 77e4b4dc4bfdf2f5b9978dd8c6b307f72556bc0e Mon Sep 17 00:00:00 2001
From: mars <mars@tebibyte.media>
Date: Wed, 11 May 2022 12:59:39 -0600
Subject: [PATCH] WinitViewport supports multiple acquisitions

---
 src/viewport.rs | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/viewport.rs b/src/viewport.rs
index e5941d8..f6ef180 100644
--- a/src/viewport.rs
+++ b/src/viewport.rs
@@ -90,11 +90,14 @@ impl WinitViewport {
     }
 
     pub fn acquire(&mut self) -> Result<(), wgpu::SurfaceError> {
-        let surface_texture = self.surface.get_current_texture()?;
-        self.output_view = Some(surface_texture
-            .texture
-            .create_view(&wgpu::TextureViewDescriptor::default()));
-        self.surface_texture = Some(surface_texture);
+        if self.output_view.is_none() {
+            let surface_texture = self.surface.get_current_texture()?;
+            self.output_view = Some(surface_texture
+                .texture
+                .create_view(&wgpu::TextureViewDescriptor::default()));
+            self.surface_texture = Some(surface_texture);
+        }
+
         Ok(())
     }
 
@@ -114,6 +117,7 @@ impl WinitViewport {
     pub fn present(&mut self) {
         if let Some(surface_texture) = self.surface_texture.take() {
             surface_texture.present();
+            self.output_view.take();
         }
     }