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Add right buffer. 2x allocation of uchar buffer.

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This commit is contained in:
Steven Robertson 2017-05-02 00:11:03 -07:00
parent 3a3b3b33d1
commit 8f21ffd4c3
1 changed files with 9 additions and 3 deletions
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12
cuburn/render.py
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@ -101,14 +101,15 @@ class Framebuffers(object):
self.d_points = cuda.mem_alloc(self._len_d_points)
def _clear(self):
self.nbins = self.d_front = self.d_back = self.d_left = self.d_uchar = None
self.nbins = self.d_front = self.d_back = None
self.d_left = self.d_right = self.d_uchar = None
def free(self, stream=None):
if stream is not None:
stream.synchronize()
else:
cuda.Context.synchronize()
for p in (self.d_front, self.d_back, self.d_left, self.d_uchar):
for p in (self.d_front, self.d_back, self.d_left, self.d_right, self.d_uchar):
if p is not None:
p.free()
self._clear()
@ -128,7 +129,8 @@ class Framebuffers(object):
self.d_front = cuda.mem_alloc(16 * nbins)
self.d_back = cuda.mem_alloc(16 * nbins)
self.d_left = cuda.mem_alloc(16 * nbins)
self.d_uchar = cuda.mem_alloc(nbins)
self.d_right = cuda.mem_alloc(16 * nbins)
self.d_uchar = cuda.mem_alloc(2 * nbins)
self.nbins = nbins
except cuda.MemoryError, e:
# If a frame that's too large sneaks by the task distributor, we
@ -157,6 +159,10 @@ class Framebuffers(object):
"""Flip the front and back buffers."""
self.d_front, self.d_back = self.d_back, self.d_front
def flip_side(self):
"""Flip the left and right buffers."""
self.d_left, self.d_right = self.d_right, self.d_left
class DevSrc(object):
"""
The buffers which represent a genome on-device, in the formats needed to