1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_vector_curves.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_vector_curves.glsl
new file mode 100644
index 00000000000..35d2e903cf4
--- /dev/null
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_vector_curves.glsl
@@ -0,0 +1,8 @@
+void curves_vec(float fac, vec3 vec, sampler1DArray curvemap, float layer, out vec3 outvec)
+{
+  vec4 co = vec4(vec * 0.5 + 0.5, layer);
+  outvec.x = texture(curvemap, co.xw).x;
+  outvec.y = texture(curvemap, co.yw).y;
+  outvec.z = texture(curvemap, co.zw).z;
+  outvec = mix(vec, outvec, fac);
+}