1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_squeeze.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_squeeze.glsl
new file mode 100644
index 00000000000..b73bdebf7f6
--- /dev/null
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_squeeze.glsl
@@ -0,0 +1,4 @@
+void squeeze(float val, float width, float center, out float outval)
+{
+  outval = 1.0 / (1.0 + pow(2.71828183, -((val - center) * width)));
+}