The old XMir required the drivers to detect they were in XMir by checking for a global variable "xorgMir". Since we dropped the old XMir we don't need these driver changes for the new glamor based implementation.
The old XMir required the drivers to detect they were in XMir by checking for a global variable "xorgMir". Since we dropped the old XMir we don't need these driver changes for the new glamor based implementation.