
This is also an important mathematical operation that can be folded if it is known that one argument is a certain constant. For colors the operation is provided as a Gamma node. The SVM Gamma node needs a small fix to make it follow the 0 ^ 0 == 1 rule, same as the Power node, or the Gamma node itself in OSL mode. Reviewers: #cycles Differential Revision: https://developer.blender.org/D2263