ID3D11Device::CreateVertexShader method

Create a vertex-shader object from a compiled shader.


HRESULT CreateVertexShader(
  [in]            const void               *pShaderBytecode,
  [in]                  SIZE_T             BytecodeLength,
  [in, optional]        ID3D11ClassLinkage *pClassLinkage,
  [out, optional]       ID3D11VertexShader **ppVertexShader


pShaderBytecode [in]

Type: const void*

A pointer to the compiled shader.

BytecodeLength [in]

Type: SIZE_T

Size of the compiled vertex shader.

pClassLinkage [in, optional]

Type: ID3D11ClassLinkage*

A pointer to a class linkage interface (see ID3D11ClassLinkage); the value can be NULL.

ppVertexShader [out, optional]

Type: ID3D11VertexShader**

Address of a pointer to a ID3D11VertexShader interface. If this is NULL, all other parameters will be validated, and if all parameters pass validation this API will return S_FALSE instead of S_OK.

Return value


This method returns one of the Direct3D 11 Return Codes.


The Direct3D 11.1 runtime, which is available starting with Windows 8, provides the following new functionality for CreateVertexShader.

The following shader model 5.0 instructions are available to just pixel shaders and compute shaders in the Direct3D 11.0 runtime. For the Direct3D 11.1 runtime, because unordered access views (UAV) are available at all shader stages, you can use these instructions in all shader stages.

Therefore, if you use the following shader model 5.0 instructions in a vertex shader, you can successfully pass the compiled vertex shader to pShaderBytecode. That is, the call to CreateVertexShader succeeds.

If you pass a compiled shader to pShaderBytecode that uses any of the following instructions on a device that doesn’t support UAVs at every shader stage (including existing drivers that are not implemented to support UAVs at every shader stage), CreateVertexShader fails. CreateVertexShader also fails if the shader tries to use a UAV slot beyond the set of UAV slots that the hardware supports.






See also