[Bf-blender-cvs] [81ee46da1a6] master: Fix: Unutilized curve mapping in vector shader node

[Aaron Carlisle]

Commit: 81ee46da1a6c508e7c5ccef07067e672f716ccda
Author: Aaron Carlisle
Date:   Mon Jan 31 12:56:40 2022 -0500
Branches: master
https://developer.blender.org/rB81ee46da1a6c508e7c5ccef07067e672f716ccda

Fix: Unutilized curve mapping in vector shader node

This could result in a shading errors is some cases such as undo.

Follow up to rB1405787142d1f87f18631114167675ed145f6d75

===================================================================

M	source/blender/nodes/shader/nodes/node_shader_curves.cc

===================================================================

diff --git a/source/blender/nodes/shader/nodes/node_shader_curves.cc b/source/blender/nodes/shader/nodes/node_shader_curves.cc
index 9ca9192e821..6570ffcac83 100644
--- a/source/blender/nodes/shader/nodes/node_shader_curves.cc
+++ b/source/blender/nodes/shader/nodes/node_shader_curves.cc
@@ -49,6 +49,7 @@ static int gpu_shader_curve_vec(GPUMaterial *mat,
 
   CurveMapping *cumap = (CurveMapping *)node->storage;
 
+  BKE_curvemapping_init(cumap);
   BKE_curvemapping_table_RGBA(cumap, &array, &size);
   GPUNodeLink *tex = GPU_color_band(mat, size, array, &layer);