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# -----------------------------------------------------------------------
# Copyright: 2010-2018, imec Vision Lab, University of Antwerp
# 2013-2018, CWI, Amsterdam
#
# Contact: astra@astra-toolbox.com
# Website: http://www.astra-toolbox.com/
#
# This file is part of the ASTRA Toolbox.
#
#
# The ASTRA Toolbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# The ASTRA Toolbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
#
# -----------------------------------------------------------------------
#
# distutils: language = c++
# distutils: libraries = astra
include "config.pxi"
import six
from .utils import wrap_from_bytes, wrap_to_bytes
from libcpp.string cimport string
from libcpp.vector cimport vector
from libcpp cimport bool
cimport PyIndexManager
from .PyIndexManager cimport CAstraObjectManagerBase
cdef extern from "astra/Globals.h" namespace "astra":
bool cudaEnabled()
bool cudaAvailable()
cdef extern from "astra/Features.h" namespace "astra":
bool hasFeature(string)
IF HAVE_CUDA==True:
cdef extern from "astra/cuda/2d/astra.h" namespace "astraCUDA":
bool setGPUIndex(int)
string getCudaDeviceString(int)
ELSE:
def setGPUIndex():
pass
def getCudaDeviceString(idx):
pass
cdef extern from "astra/CompositeGeometryManager.h" namespace "astra":
cdef cppclass SGPUParams:
vector[int] GPUIndices
size_t memory
cdef extern from "astra/CompositeGeometryManager.h" namespace "astra::CCompositeGeometryManager":
void setGlobalGPUParams(SGPUParams&)
def credits():
six.print_("""The ASTRA Toolbox has been developed at the University of Antwerp and CWI, Amsterdam by
* Prof. dr. Joost Batenburg
* Prof. dr. Jan Sijbers
* Dr. Jeroen Bedorf
* Dr. Folkert Bleichrodt
* Dr. Andrei Dabravolski
* Dr. Willem Jan Palenstijn
* Dr. Daniel Pelt
* Dr. Tom Roelandts
* Dr. Wim van Aarle
* Dr. Gert Van Gompel
* Sander van der Maar, MSc.
* Gert Merckx, MSc.""")
def use_cuda():
return cudaAvailable()
IF HAVE_CUDA==True:
def set_gpu_index(idx, memory=0):
import collections
cdef SGPUParams params
if use_cuda()==True:
if not isinstance(idx, collections.Iterable) or isinstance(idx, six.string_types + (six.text_type,six.binary_type)):
idx = (idx,)
if memory != 0 and memory < 1024*1024:
raise ValueError("Setting GPU memory lower than 1MB is not supported.")
params.memory = memory
params.GPUIndices = idx
setGlobalGPUParams(params)
ret = setGPUIndex(params.GPUIndices[0])
if not ret:
six.print_("Failed to set GPU " + str(params.GPUIndices[0]))
def get_gpu_info(idx=-1):
return wrap_from_bytes(getCudaDeviceString(idx))
ELSE:
def set_gpu_index(idx, memory=0):
raise NotImplementedError("CUDA support is not enabled in ASTRA")
def get_gpu_info(idx=-1):
raise NotImplementedError("CUDA support is not enabled in ASTRA")
def delete(ids):
import collections
cdef CAstraObjectManagerBase* ptr
if not isinstance(ids, collections.Iterable) or isinstance(ids, six.string_types + (six.text_type,six.binary_type)):
ids = (ids,)
for i in ids:
ptr = PyIndexManager.getSingletonPtr().get(i)
if ptr:
ptr.remove(i)
def info(ids):
import collections
cdef CAstraObjectManagerBase* ptr
if not isinstance(ids, collections.Iterable) or isinstance(ids, six.string_types + (six.text_type,six.binary_type)):
ids = (ids,)
for i in ids:
ptr = PyIndexManager.getSingletonPtr().get(i)
if ptr:
s = ptr.getType() + six.b("\t") + ptr.getInfo(i)
six.print_(wrap_from_bytes(s))
def has_feature(feature):
return hasFeature(wrap_to_bytes(feature))
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