dcl_inputPrimitive (sm4 - asm)

Declares the primitive type for geometry-shader inputs.

dcl_inputPrimitive type

 

ItemDescription

type

[in] Input-data primitive type, which is one of the following:

  • point - point list
  • line - line list
  • triangle - triangle list
  • line_adj - line list with adjacency data
  • triangle_adj - triangle list with adjacency data

 

This instruction applies to the following shader stages:

Vertex ShaderGeometry ShaderPixel Shader
x

 

This instruction is included to aid in debugging a shader in assembly; you cannot author a shader in assembly language using Shader Model 4.

Example

Here is an example.



dcl_inputPrimitive triangle


Minimum Shader Model

This function is supported in the following shader models.

Shader ModelSupported
Shader Model 5 yes
Shader Model 4.1 yes
Shader Model 4 yes
Shader Model 3 (DirectX HLSL) no
Shader Model 2 (DirectX HLSL) no
Shader Model 1 (DirectX HLSL) no

 

Related topics

Shader Model 4 Assembly (DirectX HLSL)

 

 

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