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Returns the largest integer that is less than or equal to the specified value.
| ret floor(x) |
|---|
| Item | Description |
|---|---|
| x |
[in] The specified value. |
The largest integer value (returned as a floating-point type) that is less than or equal to the x parameter.
| Name | Template Type | Component Type | Size |
|---|---|---|---|
| x | scalar, vector, or matrix | float | any |
| ret | same as input x | float | same dimension(s) as input x |
This function is supported in the following shader models.
| Shader Model | Supported |
|---|---|
| Shader Model 2 (DirectX HLSL) and higher shader models | yes |
| Shader Model 1 (DirectX HLSL) | vs_1_1 |
| Requirement | Value |
|---|---|
| Header |
|