diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_format_table.py')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_format_table.py | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_table.py b/mesalib/src/gallium/auxiliary/util/u_format_table.py new file mode 100644 index 000000000..addc47481 --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_format_table.py @@ -0,0 +1,197 @@ +#!/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.
+ *
+ **************************************************************************/
+'''
+
+
+import sys
+
+from u_format_parse import *
+import u_format_pack
+
+
+def layout_map(layout):
+ return 'UTIL_FORMAT_LAYOUT_' + str(layout).upper()
+
+
+def colorspace_map(colorspace):
+ return 'UTIL_FORMAT_COLORSPACE_' + str(colorspace).upper()
+
+
+colorspace_channels_map = {
+ 'rgb': ['r', 'g', 'b', 'a'],
+ 'srgb': ['sr', 'sg', 'sb', 'a'],
+ 'zs': ['z', 's'],
+ 'yuv': ['y', 'u', 'v'],
+}
+
+
+type_map = {
+ VOID: "UTIL_FORMAT_TYPE_VOID",
+ UNSIGNED: "UTIL_FORMAT_TYPE_UNSIGNED",
+ SIGNED: "UTIL_FORMAT_TYPE_SIGNED",
+ FIXED: "UTIL_FORMAT_TYPE_FIXED",
+ FLOAT: "UTIL_FORMAT_TYPE_FLOAT",
+}
+
+
+def bool_map(value):
+ if value:
+ return "TRUE"
+ else:
+ return "FALSE"
+
+
+swizzle_map = {
+ SWIZZLE_X: "UTIL_FORMAT_SWIZZLE_X",
+ SWIZZLE_Y: "UTIL_FORMAT_SWIZZLE_Y",
+ SWIZZLE_Z: "UTIL_FORMAT_SWIZZLE_Z",
+ SWIZZLE_W: "UTIL_FORMAT_SWIZZLE_W",
+ SWIZZLE_0: "UTIL_FORMAT_SWIZZLE_0",
+ SWIZZLE_1: "UTIL_FORMAT_SWIZZLE_1",
+ SWIZZLE_NONE: "UTIL_FORMAT_SWIZZLE_NONE",
+}
+
+
+def write_format_table(formats):
+ print '/* This file is autogenerated by u_format_table.py from u_format.csv. 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.h"'
+ print '#include "u_format_s3tc.h"'
+ print '#include "u_format_rgtc.h"'
+ print '#include "u_format_latc.h"'
+ print
+
+ u_format_pack.generate(formats)
+
+ for format in formats:
+ print 'const struct util_format_description'
+ print 'util_format_%s_description = {' % (format.short_name(),)
+ print " %s," % (format.name,)
+ print " \"%s\"," % (format.name,)
+ print " \"%s\"," % (format.short_name(),)
+ print " {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())
+ print " %s," % (layout_map(format.layout),)
+ print " %u,\t/* nr_channels */" % (format.nr_channels(),)
+ print " %s,\t/* is_array */" % (bool_map(format.is_array()),)
+ print " %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)
+ print " %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)
+ print " {"
+ for i in range(4):
+ channel = format.channels[i]
+ if i < 3:
+ sep = ","
+ else:
+ sep = ""
+ if channel.size:
+ print " {%s, %s, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), channel.size, sep, "xyzw"[i], channel.name)
+ else:
+ print " {0, 0, 0}%s" % (sep,)
+ print " },"
+ print " {"
+ for i in range(4):
+ swizzle = format.swizzles[i]
+ if i < 3:
+ sep = ","
+ else:
+ sep = ""
+ try:
+ comment = colorspace_channels_map[format.colorspace][i]
+ except (KeyError, IndexError):
+ comment = 'ignored'
+ print " %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)
+ print " },"
+ print " %s," % (colorspace_map(format.colorspace),)
+ if format.colorspace != ZS:
+ print " &util_format_%s_unpack_rgba_8unorm," % format.short_name()
+ print " &util_format_%s_pack_rgba_8unorm," % format.short_name()
+ if format.layout == 's3tc' or format.layout == 'rgtc':
+ print " &util_format_%s_fetch_rgba_8unorm," % format.short_name()
+ else:
+ print " NULL, /* fetch_rgba_8unorm */"
+ print " &util_format_%s_unpack_rgba_float," % format.short_name()
+ print " &util_format_%s_pack_rgba_float," % format.short_name()
+ print " &util_format_%s_fetch_rgba_float," % format.short_name()
+ else:
+ print " NULL, /* unpack_rgba_8unorm */"
+ print " NULL, /* pack_rgba_8unorm */"
+ print " NULL, /* fetch_rgba_8unorm */"
+ print " NULL, /* unpack_rgba_float */"
+ print " NULL, /* pack_rgba_float */"
+ print " NULL, /* fetch_rgba_float */"
+ if format.colorspace == ZS and format.swizzles[0] != SWIZZLE_NONE:
+ print " &util_format_%s_unpack_z_32unorm," % format.short_name()
+ print " &util_format_%s_pack_z_32unorm," % format.short_name()
+ print " &util_format_%s_unpack_z_float," % format.short_name()
+ print " &util_format_%s_pack_z_float," % format.short_name()
+ else:
+ print " NULL, /* unpack_z_32unorm */"
+ print " NULL, /* pack_z_32unorm */"
+ print " NULL, /* unpack_z_float */"
+ print " NULL, /* pack_z_float */"
+ if format.colorspace == ZS and format.swizzles[1] != SWIZZLE_NONE:
+ print " &util_format_%s_unpack_s_8uscaled," % format.short_name()
+ print " &util_format_%s_pack_s_8uscaled" % format.short_name()
+ else:
+ print " NULL, /* unpack_s_8uscaled */"
+ print " NULL /* pack_s_8uscaled */"
+ print "};"
+ print
+
+ print "const struct util_format_description *"
+ print "util_format_description(enum pipe_format format)"
+ print "{"
+ print " if (format >= PIPE_FORMAT_COUNT) {"
+ print " return NULL;"
+ print " }"
+ print
+ print " switch (format) {"
+ for format in formats:
+ print " case %s:" % format.name
+ print " return &util_format_%s_description;" % (format.short_name(),)
+ print " default:"
+ print " return NULL;"
+ print " }"
+ print "}"
+ print
+
+
+def main():
+
+ formats = []
+ for arg in sys.argv[1:]:
+ formats.extend(parse(arg))
+ write_format_table(formats)
+
+
+if __name__ == '__main__':
+ main()
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