nvc0: Add stuff related to texgrad.
nvc0: Add stuff related to texgrad.

hakzsam/envytools,hakzsam/envytools,envytools/envytools,grate-driver/envytools,kfractal/envytools,pierremoreau/envytools,karolherbst/envytools,grate-driver/envytools,karolherbst/envytools,karolherbst/envytools,pierremoreau/envytools,pierremoreau/envytools,envytools/envytools,hakzsam/envytools,kfractal/envytools,kfractal/envytools,grate-driver/envytools,grate-driver/envytools,pierremoreau/envytools,hakzsam/envytools,MoochMcGee/envytools,MoochMcGee/envytools,karolherbst/envytools,pierremoreau/envytools,MoochMcGee/envytools,MoochMcGee/envytools,kfractal/envytools,envytools/envytools,hakzsam/envytools,karolherbst/envytools,kfractal/envytools,MoochMcGee/envytools,envytools/envytools,grate-driver/envytools,envytools/envytools