def sharpen():
"""This method creates and returns a post-process effect that sharpens
the back buffer. It does this by using a generic sharpening filter kernel.
"""
backBufferCopy = rt("PostProcessing/backBufferCopy")
c = buildBackBufferCopyPhase(backBufferCopy)
s = build9TapFilterPhase(backBufferCopy.texture, None, sharpFilter)
e = Effect()
e.name = "Sharpen"
e.phases = [c, s]
return e
def sharpen():
"""This method creates and returns a post-process effect that sharpens
the back buffer. It does this by using a generic sharpening filter kernel.
"""
backBufferCopy = rt('PostProcessing/backBufferCopy')
c = buildBackBufferCopyPhase(backBufferCopy)
s = build9TapFilterPhase(backBufferCopy.texture, None, sharpFilter)
e = Effect()
e.name = 'Sharpen'
e.phases = [c, s]
return e
def emboss():
"""This method creates and returns a post-process effect that performs
greyscale embossing using a simple filter-kernel."""
backBufferCopy = rt('PostProcessing/backBufferCopy')
c = buildBackBufferCopyPhase(backBufferCopy)
g = buildGreyscalePhase(backBufferCopy.texture, None)
s = build9TapFilterPhase(backBufferCopy.texture, None, embossFilter)
e = Effect()
e.name = 'Emboss'
e.phases = [c, g, c, s]
return e
def emboss():
"""This method creates and returns a post-process effect that performs
greyscale embossing using a simple filter-kernel."""
backBufferCopy = rt('PostProcessing/backBufferCopy')
c = buildBackBufferCopyPhase(backBufferCopy)
g = buildGreyscalePhase(backBufferCopy.texture, None)
s = build9TapFilterPhase(backBufferCopy.texture, None, embossFilter)
e = Effect()
e.name = 'Emboss'
e.phases = [c,
g,
c,
s]
return e