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Add gamma linearization (may be incorrect)

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Steven Robertson
2011-06-11 17:50:15 -04:00
parent 5b67ed7c33
commit 38fbc391e8
2 changed files with 18 additions and 10 deletions
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14
cuburn/render.py
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@ -308,16 +308,18 @@ class _AnimRenderer(object):
self.stream)
self.stream.synchronize()
n = np.float32(self.ncps)
gam = np.float32(n / gam)
vib = np.float32(vib / n)
hipow = np.float32(hipow / n)
f = np.float32
n = f(self.ncps)
gam = f(n / gam)
vib = f(vib / n)
hipow = f(hipow / n)
lin = f(cen_cp.gam_lin_thresh)
lingam = f(math.pow(cen_cp.gam_lin_thresh, gam))
# TODO: get block size from colorclip class? It actually does not
# depend on that being the case
color_fun = a.mod.get_function("colorclip")
color_fun(self.d_out, gam, vib, hipow,
color_fun(self.d_out, gam, vib, hipow, lin, lingam,
block=(256, 1, 1), grid=(self.nbins / 256, 1),
stream=self.stream)