diff options
Diffstat (limited to 'source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl index 3b23ac976ae..6330daa4391 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_hair_info.glsl @@ -1,3 +1,15 @@ + +float wang_hash_noise(uint s) +{ + s = (s ^ 61u) ^ (s >> 16u); + s *= 9u; + s = s ^ (s >> 4u); + s *= 0x27d4eb2du; + s = s ^ (s >> 15u); + + return fract(float(s) / 4294967296.0); +} + void node_hair_info(out float is_strand, out float intercept, out float thickness, |