targets/libgl-xlib: add support for virgl
This allows testing virgl over vtest by setting GALLIUM_DRIVER=virpipe when the X server uses a proprietary driver.
Signed-off-by: Chia-I Wu olvaffe@gmail.com
This allows testing virgl over vtest by setting GALLIUM_DRIVER=virpipe when the X server uses a proprietary driver.
Signed-off-by: Chia-I Wu olvaffe@gmail.com