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Handle WGPUVertexStepMode_Undefined #490

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Handle WGPUVertexStepMode_Undefined #490

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7 changes: 7 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2156,8 +2156,15 @@ pub unsafe extern "C" fn wgpuDeviceCreateRenderPipeline(
.map(|buffer| wgc::pipeline::VertexBufferLayout {
array_stride: buffer.arrayStride,
step_mode: match buffer.stepMode {
native::WGPUVertexStepMode_Undefined if buffer.attributeCount > 0 => {
wgt::VertexStepMode::Vertex
}
native::WGPUVertexStepMode_Vertex => wgt::VertexStepMode::Vertex,
native::WGPUVertexStepMode_Instance => wgt::VertexStepMode::Instance,
native::WGPUVertexStepMode_VertexBufferNotUsed
| native::WGPUVertexStepMode_Undefined => {
panic!("Unused vertex buffers are currently not supported in vertex buffer layout. Instead, use a vertex buffer with no attributes and a defined vertex step mode.")
}
_ => panic!("invalid vertex step mode for vertex buffer layout"),
},
attributes: Cow::Owned(
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