dcl_temps (sm4 - asm)

Declares temporary registers.

dcl_temps N

 

ItemDescription

N

[in] The number of temporary registers.

 

Each register has space for a 32-bit four-component value. The total number of temporary and indexable-temporary registers must be less than or equal to 4096.

This instruction applies to the following shader stages:

Vertex ShaderGeometry ShaderPixel Shader
xxx

 

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_temps 10; // Declare r0-r9


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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