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Use per-adapter limits for device creation; bump wgpu to 29.0.3

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Query each adapter's actual limits via adapter.limits() instead of the
  conservative downlevel_defaults(), and drop the redundant surface
  reconfigure on Suboptimal (the texture is still valid to present).
This commit is contained in:
Bendik Aagaard Lynghaug
2026-06-09 15:02:10 +02:00
parent cdc23926a5
commit ac417dc0d7
2 changed files with 71 additions and 75 deletions
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src/renderer.rs
+9 -13
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@@ -139,17 +139,16 @@ impl GpuContext {
anyhow::bail!("no wgpu adapters found");
}
let device_desc = wgpu::DeviceDescriptor {
label: Some("gpupaper"),
required_features: wgpu::Features::empty(),
required_limits: wgpu::Limits::downlevel_defaults(),
memory_hints: wgpu::MemoryHints::default(),
experimental_features: Default::default(),
trace: Default::default(),
};
let mut selected: Option<(wgpu::Adapter, wgpu::Device, wgpu::Queue)> = None;
for adapter in &candidates {
let device_desc = wgpu::DeviceDescriptor {
label: Some("gpupaper"),
required_features: wgpu::Features::empty(),
required_limits: adapter.limits(),
memory_hints: wgpu::MemoryHints::default(),
experimental_features: Default::default(),
trace: Default::default(),
};
let outcome = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
pollster::block_on(adapter.request_device(&device_desc))
}));
@@ -415,10 +414,7 @@ impl SurfaceRenderer {
let surface_texture = match self.surface.get_current_texture() {
wgpu::CurrentSurfaceTexture::Success(t) => t,
wgpu::CurrentSurfaceTexture::Suboptimal(t) => {
self.surface.configure(&gpu.device, &self.surface_config);
t
}
wgpu::CurrentSurfaceTexture::Suboptimal(t) => t,
wgpu::CurrentSurfaceTexture::Lost | wgpu::CurrentSurfaceTexture::Outdated => {
self.surface.configure(&gpu.device, &self.surface_config);
return false;