fix: set low memory hint for wgpu

this reduces the total memory used by the app from 430mb to 110mb

Author: amrbashir

CHANGELOG.md

@@ -1,3 +1,9 @@
+# Unreleased
+
+## Fixed
+
+- Reduce the memory usage of the app from 430mb to 110mb, hopefully more improvements in future releases.
+
 # 0.4.0
 
 ## New

src/egui_glue/wgpu_surface.rs

@@ -40,14 +40,13 @@ impl WgpuSurface {
 
         let (width, height) = window.inner_size().into();
 
-        let features = wgpu::Features::empty();
         let (device, queue) = adapter
             .request_device(
                 &wgpu::DeviceDescriptor {
                     label: None,
-                    required_features: features,
-                    required_limits: Default::default(),
-                    memory_hints: Default::default(),
+                    required_features: wgpu::Features::empty(),
+                    required_limits: wgpu::Limits::default(),
+                    memory_hints: wgpu::MemoryHints::MemoryUsage,
                 },
                 None,
             )