tree a9dae74372cb84302bca5c5bd2cfd8e42fcf3b84
parent 4ca3e0d84ba21ac4e37ecea0eed05a0bfcb3f098
author José Fonseca <jfonseca@vmware.com> 1277892633 +0100
committer José Fonseca <jfonseca@vmware.com> 1277892633 +0100

llvmpipe: Add a new scene state to describe scenes which only have state changes.

It's a rare condition, but it may happen if all primitives are
clipped/culled.

For now we just do a no-op rasterization, but we could bypass it.