Merge pull request #1021 from akhilman/fix-glow-alpha-compositing

Fix window holes behind transparent objects
iced-rs · Sep 4, 2021 · 589f68d · 589f68d
2 parents 7ebdbec + 666f676
commit 589f68d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/glow/src/window/compositor.rs b/glow/src/window/compositor.rs
@@ -26,7 +26,12 @@ impl iced_graphics::window::GLCompositor for Compositor {
 
         // Enable alpha blending
         gl.enable(glow::BLEND);
-        gl.blend_func(glow::SRC_ALPHA, glow::ONE_MINUS_SRC_ALPHA);
+        gl.blend_func_separate(
+            glow::SRC_ALPHA,
+            glow::ONE_MINUS_SRC_ALPHA,
+            glow::ONE,
+            glow::ONE_MINUS_SRC_ALPHA,
+        );
 
         // Disable multisampling by default
         gl.disable(glow::MULTISAMPLE);