From 990bc3f015a4f8fce2eb918375defcd44980a845 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 8 Jun 2012 09:33:13 +0200 Subject: Used synchronise script to update files --- .../src/gallium/auxiliary/util/u_format_srgb.py | 200 ++++++++++----------- 1 file changed, 100 insertions(+), 100 deletions(-) (limited to 'mesalib/src/gallium/auxiliary/util/u_format_srgb.py') diff --git a/mesalib/src/gallium/auxiliary/util/u_format_srgb.py b/mesalib/src/gallium/auxiliary/util/u_format_srgb.py index c7b0464d4..cd63ae789 100644 --- a/mesalib/src/gallium/auxiliary/util/u_format_srgb.py +++ b/mesalib/src/gallium/auxiliary/util/u_format_srgb.py @@ -1,100 +1,100 @@ -#!/usr/bin/env python - -CopyRight = ''' -/************************************************************************** - * - * Copyright 2010 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * @file - * SRGB translation. - * - * @author Brian Paul - * @author Michal Krol - * @author Jose Fonseca - */ -''' - - -import math - - -def srgb_to_linear(x): - if x <= 0.04045: - return x / 12.92 - else: - return math.pow((x + 0.055) / 1.055, 2.4) - - -def linear_to_srgb(x): - if x >= 0.0031308: - return 1.055 * math.pow(x, 0.41666) - 0.055 - else: - return 12.92 * x - -def generate_srgb_tables(): - print 'const float' - print 'util_format_srgb_8unorm_to_linear_float_table[256] = {' - for j in range(0, 256, 4): - print ' ', - for i in range(j, j + 4): - print '%.7e,' % (srgb_to_linear(i / 255.0),), - print - print '};' - print - print 'const uint8_t' - print 'util_format_srgb_to_linear_8unorm_table[256] = {' - for j in range(0, 256, 16): - print ' ', - for i in range(j, j + 16): - print '%3u,' % (int(srgb_to_linear(i / 255.0) * 255.0 + 0.5),), - print - print '};' - print - print 'const uint8_t' - print 'util_format_linear_to_srgb_8unorm_table[256] = {' - for j in range(0, 256, 16): - print ' ', - for i in range(j, j + 16): - print '%3u,' % (int(linear_to_srgb(i / 255.0) * 255.0 + 0.5),), - print - print '};' - print - - -def main(): - print '/* This file is autogenerated by u_format_srgb.py. Do not edit directly. */' - print - # This will print the copyright message on the top of this file - print CopyRight.strip() - print - print '#include "u_format_srgb.h"' - print - generate_srgb_tables() - - -if __name__ == '__main__': - main() +#!/usr/bin/env python + +CopyRight = ''' +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * SRGB translation. + * + * @author Brian Paul + * @author Michal Krol + * @author Jose Fonseca + */ +''' + + +import math + + +def srgb_to_linear(x): + if x <= 0.04045: + return x / 12.92 + else: + return math.pow((x + 0.055) / 1.055, 2.4) + + +def linear_to_srgb(x): + if x >= 0.0031308: + return 1.055 * math.pow(x, 0.41666) - 0.055 + else: + return 12.92 * x + +def generate_srgb_tables(): + print 'const float' + print 'util_format_srgb_8unorm_to_linear_float_table[256] = {' + for j in range(0, 256, 4): + print ' ', + for i in range(j, j + 4): + print '%.7e,' % (srgb_to_linear(i / 255.0),), + print + print '};' + print + print 'const uint8_t' + print 'util_format_srgb_to_linear_8unorm_table[256] = {' + for j in range(0, 256, 16): + print ' ', + for i in range(j, j + 16): + print '%3u,' % (int(srgb_to_linear(i / 255.0) * 255.0 + 0.5),), + print + print '};' + print + print 'const uint8_t' + print 'util_format_linear_to_srgb_8unorm_table[256] = {' + for j in range(0, 256, 16): + print ' ', + for i in range(j, j + 16): + print '%3u,' % (int(linear_to_srgb(i / 255.0) * 255.0 + 0.5),), + print + print '};' + print + + +def main(): + print '/* This file is autogenerated by u_format_srgb.py. Do not edit directly. */' + print + # This will print the copyright message on the top of this file + print CopyRight.strip() + print + print '#include "u_format_srgb.h"' + print + generate_srgb_tables() + + +if __name__ == '__main__': + main() -- cgit v1.2.3