intern/cycles/kernel/osl/shaders/node_gabor_texture.osl

@@ -381,7 +381,7 @@ float gabor_noise(point p,
   }
 
   FractalParams fp;
-  fp.roughness = clamp(roughness, 0.0, 1.0);
+  fp.roughness = roughness;
   fp.octaves = clamp(detail, 0.0, 15.0);
   fp.scl_lacunarity = scl_lacunarity;
   fp.fre_lacunarity = fre_lacunarity;

intern/cycles/kernel/svm/gabor.h

@@ -365,7 +365,7 @@ ccl_device float gabor_noise(float3 p,
   }
 
   FractalParams fp;
-  fp.roughness = clamp(roughness, 0.0f, 1.0f);
+  fp.roughness = roughness;
   fp.octaves = clamp(detail, 0.0f, 15.0f);
   fp.scl_lacunarity = scl_lacunarity;
   fp.fre_lacunarity = fre_lacunarity;

source/blender/gpu/shaders/material/gpu_shader_material_tex_gabor.glsl

@@ -422,7 +422,7 @@ void node_tex_gabor(vec3 co,
 
   /* Set Fractal params. Octaves are clamped as these directly impact performance. */
   FractalParams fp;
-  fp.roughness = clamp(roughness, 0.0, 1.0);
+  fp.roughness = roughness;
   fp.octaves = clamp(detail, 0.0, 15.0);
   fp.scl_lacunarity = scl_lacunarity;
   fp.fre_lacunarity = fre_lacunarity;

source/blender/nodes/shader/nodes/node_shader_tex_gabor.cc

@@ -559,7 +559,7 @@ static float gabor_noise(const float3 p,
   }
 
   FractalParams fp;
-  fp.roughness = math::clamp(roughness, 0.0f, 1.0f);
+  fp.roughness = roughness;
   fp.octaves = math::clamp(detail, 0.0f, 15.0f);
   fp.scl_lacunarity = scl_lacunarity;
   fp.fre_lacunarity = fre_lacunarity;