// d3d12umddi.h

PFND3D12DDI_GET_SHADER_STACK_SIZE_0054 Pfnd3d12ddiGetShaderStackSize0054;

UINT Pfnd3d12ddiGetShaderStackSize0054(
  D3D12DDI_HSTATEOBJECT_0054 unnamedParam1,
  LPCWSTR pExportName
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-d3d12umddi-pfnd3d12ddi_get_shader_stack_size_0054)

PFND3D12DDI_GET_SHADER_STACK_SIZE_0054 callback function

Description

Retrieves the amount of stack memory required to invoke a ray tracing shader in HLSL (High-Level Shader Language). Ray generation shaders may return nonzero despite being at the bottom of the stack.

Parameters

`unnamedParam1`

A handle to the state object.

`pExportName`

Shader entry point in the state object for which to retrieve stack size.

Return value

Returns the amount of stack, in bytes, required to invoke the shader.

Prototype

//Declaration

PFND3D12DDI_GET_SHADER_STACK_SIZE_0054 Pfnd3d12ddiGetShaderStackSize0054;

// Definition

UINT Pfnd3d12ddiGetShaderStackSize0054
(
    D3D12DDI_HSTATEOBJECT_0054 Arg1
    LPCWSTR pExportName
)
{...}

PFND3D12DDI_GET_SHADER_STACK_SIZE_0054 - NtDoc