1 files changed, 23 insertions, 1 deletions
diff --git a/vgcodec/src/app.rs b/vgcodec/src/app.rs
index 0c063a5..b51284c 100644
--- a/vgcodec/src/app.rs
+++ b/vgcodec/src/app.rs
@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use wgpu::{Adapter, Device, Instance, Queue};
+use wgpu::{Adapter, Device, Extent3d, ImageCopyTexture, Instance, Origin3d, Queue, Texture};
 
 pub struct App {
     pub instance: Instance,
@@ -34,4 +34,26 @@ impl App {
             queue,
         })
     }
+
+    pub fn copy_texture(&self, source: &Texture, destination: &Texture, size: Extent3d) {
+        let mut encoder = self
+            .device
+            .create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
+        encoder.copy_texture_to_texture(
+            ImageCopyTexture {
+                aspect: wgpu::TextureAspect::All,
+                mip_level: 0,
+                origin: Origin3d::ZERO,
+                texture: source,
+            },
+            ImageCopyTexture {
+                aspect: wgpu::TextureAspect::All,
+                mip_level: 0,
+                origin: Origin3d::ZERO,
+                texture: destination,
+            },
+            size,
+        );
+        self.queue.submit(Some(encoder.finish()));
+    }
 }