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voxygen/src/render/renderer/screenshot.rs

@@ -175,7 +175,10 @@ impl TakeScreenshot {
         let image = match self.tex_format {
             wgpu::TextureFormat::Bgra8UnormSrgb => {
                 let (pixels, rest) = pixel_bytes.as_chunks_mut();
+                // Always valid because each pixel should use four bytes.
                 assert!(rest.is_empty());
+
+                // Swap blue and red components to get a RGBA texture.
                 for [b, _g, r, _a] in pixels {
                     std::mem::swap(b, r);
                 }