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Diffstat (limited to 'src/main/resources/shaders/modules/utils.glsl')
| -rw-r--r-- | src/main/resources/shaders/modules/utils.glsl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/main/resources/shaders/modules/utils.glsl b/src/main/resources/shaders/modules/utils.glsl index 1616e8c..6908f3b 100644 --- a/src/main/resources/shaders/modules/utils.glsl +++ b/src/main/resources/shaders/modules/utils.glsl @@ -2,3 +2,8 @@ float smin(float a, float b, float k) { float h = clamp(0.5 + 0.5 * (b - a) / k, 0.0, 1.0); return mix(b, a, h) - k * h * (1.0 - h); } + +float ssubtract(float a, float b, float k) { + return -smin(-a, b, k); +} + |