def pragma Directive
Pragma directive that manually allocates a floating-point shader register.
| #pragma def( target, register, val1, val2,val3, val4 ) |
|---|
Parameters
| Item | Description |
|---|---|
| target |
Target that contains the register to allocate. |
| register |
Floating-point shader register to allocate. |
| val0 |
First byte of the value to allocate to the specified register. |
| val1 |
Second byte of the value to allocate to the specified register. |
| val2 |
Third byte of the value to allocate to the specified register. |
| val3 |
Fourth byte of the value to allocate to the specified register. |
Remarks
The def pragma allows a developer to prefill a floating-point shader register with the specified value. This pragma is infrequently used.