forked from bartvdbraak/blender
e796581655
* Move constant folding from nodes to the shader graph. This way it's part of our (later) 4-step optimization process. * Instead of only doing a one level constant fold, we can now do a recursive constant fold, allowing us to simplify shaders much further. Constant folding is implemented for Blackbody, Math and VectorMath nodes. Example (the highlighted nodes are removed before rendering): Before: http://archive.dingto.org/2015/blender/code/one_level_constant_fold.jpg Now: http://archive.dingto.org/2015/blender/code/multi_level_constant_fold.jpg Thanks to Sergey and Brecht for Review! Differential Revision: https://developer.blender.org/D1626 |
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