def load_headers(self, filepath):
#print("Loading Headers")
self.kernel_file = open(filepath, "r")
buildDir = self.getDir(filepath)
self.build_options = "-I " + buildDir
self.build_options = self.build_options + " -D VGL_SHAPE_NCHANNELS={0}".format(
vl.VGL_SHAPE_NCHANNELS())
self.build_options = self.build_options + " -D VGL_SHAPE_WIDTH={0}".format(
vl.VGL_SHAPE_WIDTH())
self.build_options = self.build_options + " -D VGL_SHAPE_HEIGTH={0}".format(
vl.VGL_SHAPE_HEIGTH())
self.build_options = self.build_options + " -D VGL_SHAPE_LENGTH={0}".format(
vl.VGL_SHAPE_LENGTH())
self.build_options = self.build_options + " -D VGL_MAX_DIM={0}".format(
vl.VGL_MAX_DIM())
self.build_options = self.build_options + " -D VGL_ARR_SHAPE_SIZE={0}".format(
vl.VGL_ARR_SHAPE_SIZE())
self.build_options = self.build_options + " -D VGL_ARR_CLSTREL_SIZE={0}".format(
vl.VGL_ARR_CLSTREL_SIZE())
self.build_options = self.build_options + " -D VGL_STREL_CUBE={0}".format(
vl.VGL_STREL_CUBE())
self.build_options = self.build_options + " -D VGL_STREL_CROSS={0}".format(
vl.VGL_STREL_CROSS())
self.build_options = self.build_options + " -D VGL_STREL_GAUSS={0}".format(
vl.VGL_STREL_GAUSS())
self.build_options = self.build_options + " -D VGL_STREL_MEAN={0}".format(
vl.VGL_STREL_MEAN())
# READING THE HEADER FILES BEFORE COMPILING THE KERNEL
while (buildDir):
for file in glob.glob(buildDir + "/*.h"):
#print(file)
self.pgr = cl.Program(self.ctx, open(file, "r"))
buildDir = self.getDir(buildDir)
msg = ""
# INPUT IMAGE
img_input = vl.VglImage(sys.argv[1], None, vl.VGL_IMAGE_2D_IMAGE(), vl.IMAGE_ND_ARRAY())
vl.vglLoadImage(img_input)
vl.vglClUpload(img_input)
# OUTPUT IMAGE
img_output = vl.create_blank_image_as(img_input)
img_output.set_oclPtr( vl.get_similar_oclPtr_object(img_input) )
vl.vglAddContext(img_output, vl.VGL_CL_CONTEXT())
# STRUCTURANT ELEMENT
window = vl.VglStrEl()
window.constructorFromTypeNdim(vl.VGL_STREL_CROSS(), 2)
inicio = t.time()
vglClNdCopy(img_input, img_output)
fim = t.time()
vl.vglCheckContext(img_output, vl.VGL_RAM_CONTEXT())
vl.vglSaveImage("img-vglNdCopy.jpg", img_output)
msg = msg + "Tempo de execução do método vglClNdCopy:\t" +str( round( (fim-inicio), 9 ) ) +"s\n"
inicio = t.time()
vglClNdConvolution(img_input, img_output, window)
fim = t.time()
vl.vglCheckContext(img_output, vl.VGL_RAM_CONTEXT())
vl.vglSaveImage("img-vglNdConvolution.jpg", img_output)
msg = msg + "Tempo de execução do método vglClNdConvolution:\t" +str( round( (fim-inicio), 9 ) ) +"s\n"
def constructorFromTypeNdim(self, Type, ndim):
shape = np.zeros(vl.VGL_MAX_DIM(), np.int32)
shape[0] = 1
shape[2] = 1
for i in range(1, ndim + 1): # ndim+1 cuz in c++ is for i <= ndim
shape[i] = 3
vglShape = vl.VglShape()
vglShape.constructorFromShapeNdimBps(shape, ndim)
size = vglShape.getSize()
data = np.zeros((size), np.float32)
index = 0
if (Type == vl.VGL_STREL_CROSS()):
coord = np.zeros((vl.VGL_ARR_SHAPE_SIZE()), np.int32)
for i in range(0, size):
data[i] = np.float32(0.0)
for d in range(1, ndim + 1):
coord[d] = np.int32(1)
index = vglShape.getIndexFromCoord(coord)
data[index] = np.float32(1.0)
for d in range(1, ndim + 1):
coord[d] = np.int32(0)
index = vglShape.getIndexFromCoord(coord)
data[index] = np.float32(1.0)
coord[d] = np.int32(2)
index = vglShape.getIndexFromCoord(coord)
data[index] = np.float32(1.0)
coord[d] = 1
elif (Type == vl.VGL_STREL_GAUSS()):
coord = np.zeros((vl.VGL_ARR_SHAPE_SIZE()), np.int32)
coord[0] = np.int32(0)
size = vglShape.getSize()
for i in range(0, size):
val = np.float32(1.0)
vglShape.getCoordFromIndex(i, coord)
for d in range(1, ndim + 1):
if (coord[d] == 1):
val = val * np.float32(0.5)
else:
val = val * np.float32(0.25)
data[i] = val
elif (Type == vl.VGL_STREL_MEAN()):
for i in range(0, size):
data[i] = 1.0 / size
elif (Type == vl.VGL_STREL_CUBE()):
for i in range(0, size):
data[i] = 1.0
else:
for i in range(0, size):
data[i] = 1.0
self.constructorFromDataVglShape(data, vglShape)