A benchmark to test how close we get to reducing paint+clip to an ordinary
fill, and to check correctness.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
The performance tools build system for Win32 hasn't been maintained
for some time. The makefiles are now structured as in other
directories (Makefile.sources used by both Makefile.am and
Makefile.win32) and some additional code hides os-specific parts.
