dcl_output oDepth (sm4 - asm)

Declares that a pixel shader will use the output-depth register.

dcl_output oDepth

 

The value in the output-depth register is used during a depth comparison (if depth compare is enabled).

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 are some examples.



dcl_output oDepth


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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