window: impl Texture2d for SrgbTexture2d

window/src/bitmaps/mod.rs

@@ -1,5 +1,7 @@
 use crate::color::Color;
 use crate::{Operator, Point, Rect, Size};
+#[cfg(feature = "opengl")]
+use glium::texture::SrgbTexture2d;
 use palette::LinSrgba;
 use std::cell::RefCell;
 
@@ -41,6 +43,42 @@ pub trait Texture2d {
     }
 }
 
+#[cfg(feature = "opengl")]
+impl Texture2d for SrgbTexture2d {
+    fn write(&self, rect: Rect, im: &dyn BitmapImage) {
+        let (im_width, im_height) = im.image_dimensions();
+        let source = glium::texture::RawImage2d {
+            data: std::borrow::Cow::Borrowed(im.pixels()),
+            width: im_width as u32,
+            height: im_height as u32,
+            format: glium::texture::ClientFormat::U8U8U8U8,
+        };
+
+        SrgbTexture2d::write(
+            self,
+            glium::Rect {
+                left: rect.min_x() as u32,
+                bottom: rect.min_y() as u32,
+                width: rect.size.width as u32,
+                height: rect.size.height as u32,
+            },
+            source,
+        )
+    }
+
+    fn read(&self, _rect: Rect, _im: &mut dyn BitmapImage) {
+        unimplemented!();
+    }
+
+    fn width(&self) -> usize {
+        SrgbTexture2d::width(self) as usize
+    }
+
+    fn height(&self) -> usize {
+        SrgbTexture2d::height(self) as usize
+    }
+}
+
 #[cfg(target_arch = "x86_64")]
 mod avx {
     use super::*;