28 def get_gl_base_format(fmat):  argument
29    if fmat.name == 'MESA_FORMAT_NONE':
31    elif fmat.name in ['MESA_FORMAT_YCBCR', 'MESA_FORMAT_YCBCR_REV']:
33    elif fmat.has_channel('r'):
34       if fmat.has_channel('g'):
35          if fmat.has_channel('b'):
36             if fmat.has_channel('a'):
44    elif fmat.has_channel('l'):
45       if fmat.has_channel('a'):
49    elif fmat.has_channel('a') and fmat.num_channels() == 1:
51    elif fmat.has_channel('z'):
52       if fmat.has_channel('s'):
56    elif fmat.has_channel('s'):
58    elif fmat.has_channel('i') and fmat.num_channels() == 1:
61       sys.exit("error, could not determine base format for {0}, check swizzle".format(fmat.name));
63 def get_gl_data_type(fmat):  argument
64    if fmat.is_compressed():
65       if 'FLOAT' in fmat.name:
67       elif 'SIGNED' in fmat.name or 'SNORM' in fmat.name:
71    elif fmat.name in ['MESA_FORMAT_YCBCR', 'MESA_FORMAT_YCBCR_REV']:
75    for chan in fmat.channels:
76       if chan.type == 'x' and len(fmat.channels) > 1:
78       elif chan.name == 's' and fmat.has_channel('z'):
101 def get_channel_bits(fmat, chan_name):  argument
102    if fmat.is_compressed():
105       if fmat.layout == 's3tc':
106          return 4 if fmat.has_channel(chan_name) else 0
107       elif fmat.layout == 'fxt1':
111             return 1 if fmat.has_channel('a') else 0
114       elif fmat.layout in ('rgtc', 'latc'):
115          return 8 if fmat.has_channel(chan_name) else 0
116       elif fmat.layout in ('etc1', 'etc2'):
117          if fmat.name.endswith('_ALPHA1') and chan_name == 'a':
120          bits = 11 if fmat.name.endswith('11_EAC') else 8
121          return bits if fmat.has_channel(chan_name) else 0
122       elif fmat.layout == 'bptc':
123          bits = 16 if fmat.name.endswith('_FLOAT') else 8
124          return bits if fmat.has_channel(chan_name) else 0
125       elif fmat.layout == 'astc':
126          bits = 16 if 'RGBA' in fmat.name else 8
127          return bits if fmat.has_channel(chan_name) else 0
132       for chan in fmat.channels:
173 for fmat in formats:
175    print '      {0},'.format(fmat.name)
176    print '      "{0}",'.format(fmat.name)
177    print '      {0},'.format('MESA_FORMAT_LAYOUT_' + fmat.layout.upper())
178    print '      {0},'.format(get_gl_base_format(fmat))
179    print '      {0},'.format(get_gl_data_type(fmat))
181    bits = [ get_channel_bits(fmat, name) for name in ['r', 'g', 'b', 'a']]
183    bits = [ get_channel_bits(fmat, name) for name in ['l', 'i', 'z', 's']]
186    print '      {0:d},'.format(fmat.colorspace == 'srgb')
188    print '      {0}, {1}, {2}, {3},'.format(fmat.block_width, fmat.block_height,
189                                             fmat.block_depth,
190                                             int(fmat.block_size() / 8))
192    print '      {{ {0} }},'.format(', '.join(map(str, fmat.swizzle)))
193    if fmat.is_array():
194       chan = fmat.array_element()
201          str(len(fmat.channels)),
202          str(fmat.swizzle[0]),
203          str(fmat.swizzle[1]),
204          str(fmat.swizzle[2]),
205          str(fmat.swizzle[3]),