Predicate register (HLSL PS reference)
This pixel shader output register contains a per-channel boolean value.
A predicate register is supported by the following versions:
| Pixel shader versions | 1_1 | 1_2 | 1_3 | 1_4 | 2_0 | 2_sw | 2_x | 3_0 | 3_sw |
|---|---|---|---|---|---|---|---|---|---|
| predicate register | x | x | x |
Here are the register properties.
| Register type | Count | R/W | # Read ports | # Reads/inst | Dimension | RelAddr | Defaults | Requires DCL |
|---|---|---|---|---|---|---|---|---|
| Predicate(p) | 1 | R/W | 1 | 1 | 4 | N/A | None | N |
The predicate register can be modified with setp_comp - ps. There are no default values for this register; an application needs to set the register before it is used.
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