| ?/TD> | 
| Microsoft DirectX 9.0 | 
Declare a pixel shader input register.
| dcl_[pp] dest[.mask] | 
Where:
| Pixel shader versions | 1_1 | 1_2 | 1_3 | 1_4 | 2_0 | 2_x | 2_sw | 3_0 | 3_sw | 
|---|---|---|---|---|---|---|---|---|---|
| dcl | x | x | x | x | x | 
All dcl instructions must appear before the first executable instruction.
| Minimum operating system | Windows 98 | 
|---|