Set default device limits to downlevel_webgl2_defaults (#223)

- Fixes #139
- See also #115

examples/minimal-egui/Cargo.toml

@@ -12,7 +12,7 @@ default = ["optimize"]
 
 [dependencies]
 egui = "0.15"
-egui_wgpu_backend = { git = "https://github.com/hasenbanck/egui_wgpu_backend.git", rev = "961125e7bd2c71c5ead1d61a7ca7ffa8c0d17f48" }
+egui_wgpu_backend = "0.14"
 egui-winit = { version = "0.15", default-features = false, features = ["links"] }
 env_logger = "0.9"
 log = "0.4"

src/builder.rs

@@ -46,7 +46,10 @@ impl<'req, 'dev, 'win, W: HasRawWindowHandle> PixelsBuilder<'req, 'dev, 'win, W>
 
         Self {
             request_adapter_options: None,
-            device_descriptor: wgpu::DeviceDescriptor::default(),
+            device_descriptor: wgpu::DeviceDescriptor {
+                limits: wgpu::Limits::downlevel_webgl2_defaults(),
+                ..wgpu::DeviceDescriptor::default()
+            },
             backend: wgpu::util::backend_bits_from_env().unwrap_or(wgpu::Backends::PRIMARY),
             width,
             height,