Possible fix for #31054: cycles viewport rendering not working with CUDA for computation and ATI card for OpenGL.
Possible fix for #31054: cycles viewport rendering not working with CUDA for
computation and ATI card for OpenGL.

pyrochlore/cycles,tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,pyrochlore/cycles,pyrochlore/cycles,tangent-opensource/coreBlackbird