be4ce4937e
Analogous to earlier commit(s). Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
211 lines
7.4 KiB
Python
211 lines
7.4 KiB
Python
#
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# Copyright 2014 Intel Corporation
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sub license, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice (including the
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# next paragraph) shall be included in all copies or substantial portions
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# of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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# IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import format_parser as parser
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import sys
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def get_gl_base_format(fmat):
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if fmat.name == 'MESA_FORMAT_NONE':
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return 'GL_NONE'
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elif fmat.name in ['MESA_FORMAT_YCBCR', 'MESA_FORMAT_YCBCR_REV']:
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return 'GL_YCBCR_MESA'
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elif fmat.has_channel('r'):
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if fmat.has_channel('g'):
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if fmat.has_channel('b'):
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if fmat.has_channel('a'):
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return 'GL_RGBA'
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else:
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return 'GL_RGB'
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else:
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return 'GL_RG'
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else:
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return 'GL_RED'
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elif fmat.has_channel('l'):
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if fmat.has_channel('a'):
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return 'GL_LUMINANCE_ALPHA'
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else:
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return 'GL_LUMINANCE'
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elif fmat.has_channel('a') and fmat.num_channels() == 1:
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return 'GL_ALPHA'
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elif fmat.has_channel('z'):
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if fmat.has_channel('s'):
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return 'GL_DEPTH_STENCIL'
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else:
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return 'GL_DEPTH_COMPONENT'
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elif fmat.has_channel('s'):
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return 'GL_STENCIL_INDEX'
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elif fmat.has_channel('i') and fmat.num_channels() == 1:
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return 'GL_INTENSITY'
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else:
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sys.exit("error, could not determine base format for {0}, check swizzle".format(fmat.name));
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def get_gl_data_type(fmat):
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if fmat.is_compressed():
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if 'FLOAT' in fmat.name:
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return 'GL_FLOAT'
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elif 'SIGNED' in fmat.name or 'SNORM' in fmat.name:
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return 'GL_SIGNED_NORMALIZED'
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else:
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return 'GL_UNSIGNED_NORMALIZED'
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elif fmat.name in ['MESA_FORMAT_YCBCR', 'MESA_FORMAT_YCBCR_REV']:
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return 'GL_UNSIGNED_NORMALIZED'
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channel = None
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for chan in fmat.channels:
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if chan.type == 'x' and len(fmat.channels) > 1:
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continue # We can do better
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elif chan.name == 's' and fmat.has_channel('z'):
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continue # We'll use the type from the depth instead
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channel = chan
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break;
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if channel.type == parser.UNSIGNED:
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if channel.norm:
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return 'GL_UNSIGNED_NORMALIZED'
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else:
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return 'GL_UNSIGNED_INT'
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elif channel.type == parser.SIGNED:
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if channel.norm:
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return 'GL_SIGNED_NORMALIZED'
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else:
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return 'GL_INT'
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elif channel.type == parser.FLOAT:
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return 'GL_FLOAT'
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elif channel.type == parser.VOID:
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return 'GL_NONE'
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else:
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assert False
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def get_channel_bits(fmat, chan_name):
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if fmat.is_compressed():
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# These values are pretty-much bogus, but OpenGL requires that we
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# return an "approximate" number of bits.
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if fmat.layout == 's3tc':
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return 4 if fmat.has_channel(chan_name) else 0
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elif fmat.layout == 'fxt1':
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if chan_name in 'rgb':
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return 4
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elif chan_name == 'a':
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return 1 if fmat.has_channel('a') else 0
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else:
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return 0
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elif fmat.layout in ('rgtc', 'latc'):
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return 8 if fmat.has_channel(chan_name) else 0
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elif fmat.layout in ('etc1', 'etc2'):
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if fmat.name.endswith('_ALPHA1') and chan_name == 'a':
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return 1
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bits = 11 if fmat.name.endswith('11_EAC') else 8
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return bits if fmat.has_channel(chan_name) else 0
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elif fmat.layout == 'bptc':
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bits = 16 if fmat.name.endswith('_FLOAT') else 8
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return bits if fmat.has_channel(chan_name) else 0
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elif fmat.layout == 'astc':
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bits = 16 if 'RGBA' in fmat.name else 8
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return bits if fmat.has_channel(chan_name) else 0
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else:
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assert False
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else:
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# Uncompressed textures
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for chan in fmat.channels:
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if chan.name == chan_name:
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return chan.size
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return 0
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formats = parser.parse(sys.argv[1])
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print '''
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/*
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* Mesa 3-D graphics library
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*
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* Copyright (c) 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* This file is AUTOGENERATED by format_info.py. Do not edit it
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* manually or commit it into version control.
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*/
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static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
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{
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'''
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for fmat in formats:
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print ' {'
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print ' {0},'.format(fmat.name)
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print ' "{0}",'.format(fmat.name)
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print ' {0},'.format('MESA_FORMAT_LAYOUT_' + fmat.layout.upper())
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print ' {0},'.format(get_gl_base_format(fmat))
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print ' {0},'.format(get_gl_data_type(fmat))
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bits = [ get_channel_bits(fmat, name) for name in ['r', 'g', 'b', 'a']]
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print ' {0},'.format(', '.join(map(str, bits)))
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bits = [ get_channel_bits(fmat, name) for name in ['l', 'i', 'z', 's']]
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print ' {0},'.format(', '.join(map(str, bits)))
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print ' {0:d},'.format(fmat.colorspace == 'srgb')
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print ' {0}, {1}, {2}, {3},'.format(fmat.block_width, fmat.block_height,
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fmat.block_depth,
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int(fmat.block_size() / 8))
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print ' {{ {0} }},'.format(', '.join(map(str, fmat.swizzle)))
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if fmat.is_array():
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chan = fmat.array_element()
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norm = chan.norm or chan.type == parser.FLOAT
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print ' MESA_ARRAY_FORMAT({0}),'.format(', '.join([
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str(chan.size / 8),
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str(int(chan.sign)),
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str(int(chan.type == parser.FLOAT)),
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str(int(norm)),
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str(len(fmat.channels)),
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str(fmat.swizzle[0]),
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str(fmat.swizzle[1]),
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str(fmat.swizzle[2]),
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str(fmat.swizzle[3]),
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]))
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else:
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print ' 0,'
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print ' },'
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print '};'
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