countbits function
Counts the number of bits (per component) set in the input integer.
Syntax
uint countbits(
in uint value
);
Parameters
-
value [in]
-
Type: uint
The input value.
Return value
Type: uint
The number of bits.
Remarks
The following overloaded versions are also available:
uint count_bits(uint value);
uint2 count_bits(uint2 value);
uint3 count_bits(uint3 value);
uint4 count_bits(uint4 value);
Minimum Shader Model
This function is supported in the following shader models.
| Shader Model | Supported |
|---|---|
| Shader Model 5 and higher shader models | yes |
This function is supported in the following types of shaders:
| Vertex | Hull | Domain | Geometry | Pixel | Compute |
|---|---|---|---|---|---|
| x | x | x | x | x | x |
See also