step Mode
The step mode for the vertex buffer. If @ref WGPUVertexStepMode_VertexBufferNotUsed, indicates a "hole" in the parent @ref WGPUVertexState buffers array: the pipeline does not use a vertex buffer at this location.
The step mode for the vertex buffer. If @ref WGPUVertexStepMode_VertexBufferNotUsed, indicates a "hole" in the parent @ref WGPUVertexState buffers array: the pipeline does not use a vertex buffer at this location.