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Use consts for image size instead of immediates.

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This saves us from having to recompile if the frame size changes.
This commit is contained in:
Steven Robertson
2011-12-08 12:07:22 -05:00
parent 084a65c615
commit b73461132c
2 changed files with 13 additions and 2 deletions
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4
cuburn/render.py
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@ -132,6 +132,10 @@ class Renderer(object):
d_accum = cuda.mem_alloc(16 * nbins)
d_out = cuda.mem_alloc(16 * nbins)
acc_size = np.array([info.acc_width, info.acc_height, info.acc_stride])
d_acc_size = self.mod.get_global('acc_size')[0]
cuda.memcpy_htod_async(d_acc_size, np.uint32(acc_size), write_stream)
if info.acc_mode == 'deferred':
# Having a fixed, power-of-two log size makes things much easier
log_size = 64 << 20