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ID3D11DeviceContext::PSSetConstantBuffers method

Sets the constant buffers used by the pixel shader pipeline stage.


void PSSetConstantBuffers(
  [in]           UINT                StartSlot,
  [in]           UINT                NumBuffers,
  [in, optional] ID3D11Buffer *const *ppConstantBuffers


StartSlot [in]

Type: UINT

Index into the device's zero-based array to begin setting constant buffers to (ranges from 0 to D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT - 1).

NumBuffers [in]

Type: UINT

Number of buffers to set (ranges from 0 to D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT - StartSlot).

ppConstantBuffers [in, optional]

Type: ID3D11Buffer*

Array of constant buffers (see ID3D11Buffer) being given to the device.

Return value

This method does not return a value.


The method will hold a reference to the interfaces passed in. This differs from the device state behavior in Direct3D 10.

The Direct3D 11.1 runtime, which is available on Windows 8 and later operating systems, can bind a larger number of ID3D11Buffer resources to the shader than the maximum constant buffer size that is supported by shaders (4096 constants – 4*32-bit components each). When you bind such a large buffer, the shader can access only the first 4096 4*32-bit component constants in the buffer, as if 4096 constants is the full size of the buffer.

If the application wants the shader to access other parts of the buffer, it must call the PSSetConstantBuffers1 method instead.

Windows Phone 8: This API is supported.






See also




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