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Warn about Limits::max_non_sampler_bindings's default 1_000_000 (#8447)

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csmoe 2025-11-13 00:53:45 +08:00 committed by GitHub
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wgpu-types/src/lib.rs
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@ -685,6 +685,11 @@ pub struct Limits {
pub max_push_constant_size: u32,
/// Maximum number of live non-sampler bindings.
///
/// <div class="warning">
/// The default value is **1_000_000**, On systems with integrated GPUs (iGPUs)—particularly on Windows using the D3D12
/// backend—this can lead to significant system RAM consumption since iGPUs share system memory directly with the CPU.
/// </div>
///
/// This limit only affects the d3d12 backend. Using a large number will allow the device
/// to create many bind groups at the cost of a large up-front allocation at device creation.
pub max_non_sampler_bindings: u32,