From c7e17391c53c9aa076d76982189a5184681aac0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?=
 <hector0193@gmail.com>
Date: Wed, 2 Aug 2023 22:05:11 +0200
Subject: [PATCH 1/3] Fix `iced_wgpu` freezing on empty layers

The `render` method would return when an empty layer is encountered without explicitly dropping the `RenderPass` (necessary because we use `ManuallyDrop`), which would then leak memory and freeze `wgpu` until the surface was recreated.
---
 wgpu/src/backend.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wgpu/src/backend.rs b/wgpu/src/backend.rs
index 9966a38c1c..c6a17f2cf4 100644
--- a/wgpu/src/backend.rs
+++ b/wgpu/src/backend.rs
@@ -236,7 +236,7 @@ impl Backend {
             let bounds = (layer.bounds * scale_factor).snap();
 
             if bounds.width < 1 || bounds.height < 1 {
-                return;
+                continue;
             }
 
             if !layer.quads.is_empty() {

From a7609a723ff0102ef8f606ac2c3bbabc30974db9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?=
 <hector0193@gmail.com>
Date: Wed, 2 Aug 2023 22:08:14 +0200
Subject: [PATCH 2/3] Avoid empty overlay layer in `iced_wgpu`

---
 wgpu/src/backend.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wgpu/src/backend.rs b/wgpu/src/backend.rs
index c6a17f2cf4..68d1f80507 100644
--- a/wgpu/src/backend.rs
+++ b/wgpu/src/backend.rs
@@ -87,7 +87,10 @@ impl Backend {
         let transformation = viewport.projection();
 
         let mut layers = Layer::generate(primitives, viewport);
-        layers.push(Layer::overlay(overlay_text, viewport));
+
+        if !overlay_text.is_empty() {
+            layers.push(Layer::overlay(overlay_text, viewport));
+        }
 
         self.prepare(
             device,

From 4dfa2f0abf9c8219d9f04980e9e5959d1a93b555 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?=
 <hector0193@gmail.com>
Date: Wed, 2 Aug 2023 22:12:15 +0200
Subject: [PATCH 3/3] Update `CHANGELOG`

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ab7b247f0..c94c5de3db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -78,6 +78,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `Tooltip` overlay position inside `Scrollable`. [#1978](https://github.com/iced-rs/iced/pull/1978)
 - `BorderRadius` not exposed in root crate. [#1972](https://github.com/iced-rs/iced/pull/1972)
 - Outdated `ROADMAP`. [#1958](https://github.com/iced-rs/iced/pull/1958)
+- `iced_wgpu` freezing on empty layers. [#1996](https://github.com/iced-rs/iced/pull/1996)
 
 Many thanks to...