udiv (sm4 - asm)
Unsigned integer divide.
| udiv destQUOT[.mask], destREM[.mask], src0[.swizzle], src1[.swizzle] |
|---|
| Item | Description |
|---|---|
| destQUOT |
[in] The address of the resulting quotient. |
| destREM |
[in] The address of the resulting remainder. |
| src0 |
[in] The components to be divided by src1. |
| src1 |
[in] The components by whch to divide src0. |
Remarks
This instruction performs a component-wise unsigned divide of the 32-bit operand src0 by the 32-bit operand src1. The results of the divides are the 32-bit quotients placed in destQUOT and 32-bit remainders placed in destREM.
Divide by zero returns 0xffffffff for both quotient and remainder.
You can specifiy either destQUOT or destREM as NULL instead of specifying a register, if the quotient or remainder are not needed.
This instruction applies to the following shader stages:
| Vertex Shader | Geometry Shader | Pixel Shader |
|---|---|---|
| x | x | x |
Minimum Shader Model
This function is supported in the following shader models.
| Shader Model | Supported |
|---|---|
| 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 |