> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# D3D12_INPUT_LAYOUT_DESC

> Describes the input-buffer data for the input-assembler stage.

Describes the input-buffer data for the input-assembler stage.

## Syntax

```cpp theme={null}
typedef struct D3D12_INPUT_LAYOUT_DESC
{
    const D3D12_INPUT_ELEMENT_DESC  pInputElementDescs;
    UINT NumElements;
} D3D12_INPUT_LAYOUT_DESC
```

### Members

*pInputElementDescs*\
Type: const D3D12\_INPUT\_ELEMENT\_DESC \*

An array of [D3D12\_INPUT\_ELEMENT\_DESC](/reference/graphics/d3d12/structs/d3d12_input_element_desc_public) structures that describe the data types of the input-assembler stage.

*NumElements*\
Type: UINT

The number of input-data types in the array of input elements that the **pInputElementDescs** member points to.

## Remarks

This structure is a member of the [D3D12\_GRAPHICS\_PIPELINE\_STATE\_DESC](/reference/graphics/d3d12_x/structs/d3d12_graphics_pipeline_state_desc) structure.

## Requirements

**Header:** d3d12\_xs.h or d3d12\_x.h\
**Library:** d3d12\_xs.lib or d3d12\_x.lib\
**Supported Platforms**: XBOX Series consoles and XBOX One family

## See Also

[Core Structures](https://learn.microsoft.com/en-us/windows/desktop/direct3d12/direct3d-12-structures)


## Related topics

- [D3D12_INPUT_ELEMENT_DESC](/reference/graphics/d3d12/structs/d3d12_input_element_desc_public.md)
- [D3D12_BUILD_RAYTRACING_ACCELERATION_STRUCTURE_INPUTS](/reference/graphics/d3d12/structs/d3d12_build_raytracing_acceleration_structure_inputs_public.md)
- [D3D12_ROOT_SIGNATURE_DESC](/reference/graphics/d3d12/structs/d3d12_root_signature_desc_public.md)
- [D3D12_RESOURCE_DESC1](/reference/graphics/d3d12/structs/d3d12_resource_desc1_public.md)
- [D3D12_RAYTRACING_GEOMETRY_TRIANGLES_DESC](/reference/graphics/d3d12/structs/d3d12_raytracing_geometry_triangles_desc_public.md)