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#######################################################################
# SConscript for swrast convenience library
#
# This is a meta-driver which consists of any and all of the software
# rasterizers into a single driver.  A software rasterizer is defined
# as any driver which takes an sw_winsys pointer as the only argument
# to create_screen.
#
# XXX: unfortunately users of this driver still need to link in any
# extra libraries needed for the particular driver (eg llvm for
# llvmpipe).  Not sure how to get around this.

Import('*')

if not set(('softpipe', 'llvmpipe', 'cell')).intersection(env['drivers']):
    print 'warning: no supported pipe driver: skipping build of sw meta-driver'
    Return()

env = env.Clone()

if 'softpipe' in env['drivers']:
    env.Append(CPPDEFINES = 'GALLIUM_SOFTPIPE')
    env.Prepend(LIBS = [softpipe])

if 'llvmpipe' in env['drivers']:
    env.Append(CPPDEFINES = 'GALLIUM_LLVMPIPE')
    env.Tool('udis86')
    env.Prepend(LIBS = [llvmpipe])
    
if 'cell' in env['drivers']:
    env.Append(CPPDEFINES = 'GALLIUM_CELL')
    env.Prepend(LIBS = [cell])

sw = env.ConvenienceLibrary(
	target = 'sw',
	source = [
		'sw.c',
		]
    )
    Export('sw')