Files
FSRCNN-TensorFlow/gen.py
T
igv 9e421c1d33 Half working script for generating a shader
Doesn't support shrinking/expanding layers and doesn't generate a deconvolution passes yet
2017-10-06 15:44:23 +03:00

105 lines
4.2 KiB
Python

import sys
from itertools import islice
radius = 1
def get_line_number(phrase, file_name):
with open(file_name) as f:
for i, line in enumerate(f, 1):
if phrase in line:
return i
def read_weights(file_name, ln, size=1):
content = []
with open(file_name) as f:
for line in islice(f, ln, ln + size):
if line.find('[') != -1:
line = line[line.index('[') + 1:]
if line.find(']') != -1:
line = line[:line.rindex(']')]
content.append(line)
return [x.strip() for x in content]
def header1(file, n, d):
file.write('//!HOOK LUMA\n')
file.write('//!DESC feature map {}\n'.format((n//4)%(d//4) + 1))
file.write('//!BIND LUMA\n')
file.write('//!SAVE MODEL{}\n'.format((n//4)%(d//4) + 1))
file.write('//!COMPONENTS 4\n')
def header2(file, w, n, s):
file.write('//!HOOK LUMA\n')
file.write('//!DESC mapping {}_{}\n'.format(w+1, (n//4)%(s//4) + 1))
for i in range(s//4):
if (w+1) % 2 == 1:
file.write('//!BIND MODEL{}\n'.format(i+1))
else:
file.write('//!BIND MODEL{}{}\n'.format(2, i+1))
if (w+1) % 2 == 1:
file.write('//!SAVE MODEL{}{}\n'.format(2, (n//4)%(s//4) + 1))
else:
file.write('//!SAVE MODEL{}\n'.format((n//4)%(s//4) + 1))
file.write('//!COMPONENTS 4\n')
def main():
if len(sys.argv) == 2:
fname=sys.argv[1]
d, s, m = [int(i) for i in fname[7:fname.index('.')].split("_")]
if s == 0:
s = d
dst = fname.replace("weights", "FSRCNN_").replace("txt", "glsl")
with open(dst, 'w') as file:
# Feature layer
feature_radius = 2
ln = get_line_number("w1", fname)
weights = read_weights(fname, ln, (feature_radius*2+1)**2)
ln = get_line_number("b1", fname)
biases = read_weights(fname, ln, 0)
ln = get_line_number("alpha1", fname)
alphas = read_weights(fname, ln, 0)
for n in range(0, d, 4):
header1(file, n, d)
file.write('vec4 hook()\n')
file.write('{\n')
file.write('vec4 res = vec4({});\n'.format(",".join(biases[0].strip(",").split(",")[n:n+4])))
p = 0
for l in range(0, len(weights)):
y, x = p%(feature_radius*2+1)-feature_radius, p//(feature_radius*2+1)-feature_radius
p += 1
file.write('res += vec4({}) * float(LUMA_texOff(vec2({},{})));\n'.format(",".join(weights[l].strip(",").split(",")[n:n+4]), x, y))
file.write('res = mix(res, vec4({}) * res, lessThan(res, vec4(0.0)));\n'.format(",".join(alphas[0].strip(",").split(",")[n:n+4])))
file.write('return res;\n')
file.write('}\n\n')
# Mapping layers
for w in range(m):
ln = get_line_number("w{}".format(w + 3), fname)
weights = read_weights(fname, ln, s*9)
ln = get_line_number("b{}".format(w + 3), fname)
biases = read_weights(fname, ln, 0)
ln = get_line_number("alpha{}".format(w + 3), fname)
alphas = read_weights(fname, ln, 0)
for n in range(0, s, 4):
header2(file, w, n, s)
file.write('vec4 hook()\n')
file.write('{\n')
file.write('vec4 res = vec4({});\n'.format(",".join(biases[0].strip(",").split(",")[n:n+4])))
p = 0
for l in range(0, len(weights), 4):
if l % s == 0:
y, x = p%3-1, p//3-1
p += 1
file.write('res += mat4({},{},{},{}) * vec4(MODEL{}_texOff(vec2({},{})));\n'.format(",".join(weights[l].strip(",").split(",")[n:n+4]), ",".join(weights[l+1].strip(",").split(",")[n:n+4]), ",".join(weights[l+2].strip(",").split(",")[n:n+4]), ",".join(weights[l+3].strip(",").split(",")[n:n+4]), (l//4)%(s//4) + 1 + (20 if (w+1) % 2 == 0 else 0), x, y))
file.write('res = mix(res, vec4({}) * res, lessThan(res, vec4(0.0)));\n'.format(",".join(alphas[0].strip(",").split(",")[n:n+4])))
file.write('return res;\n')
file.write('}\n\n')
else:
print("Missing argument: You must specify a file name")
return
if __name__ == '__main__':
main()