324 lines
11 KiB
Python
324 lines
11 KiB
Python
CopyRight = '''
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/**************************************************************************
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*
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* Copyright 2010 VMware, Inc.
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* All Rights Reserved.
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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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*
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**************************************************************************/
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'''
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import sys, os
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from u_format_parse import *
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import u_format_pack
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def layout_map(layout):
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return 'UTIL_FORMAT_LAYOUT_' + str(layout).upper()
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def colorspace_map(colorspace):
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return 'UTIL_FORMAT_COLORSPACE_' + str(colorspace).upper()
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colorspace_channels_map = {
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'rgb': ['r', 'g', 'b', 'a'],
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'srgb': ['sr', 'sg', 'sb', 'a'],
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'zs': ['z', 's'],
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'yuv': ['y', 'u', 'v'],
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}
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type_map = {
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VOID: "UTIL_FORMAT_TYPE_VOID",
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UNSIGNED: "UTIL_FORMAT_TYPE_UNSIGNED",
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SIGNED: "UTIL_FORMAT_TYPE_SIGNED",
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FIXED: "UTIL_FORMAT_TYPE_FIXED",
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FLOAT: "UTIL_FORMAT_TYPE_FLOAT",
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}
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def bool_map(value):
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if value:
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return "TRUE"
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else:
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return "FALSE"
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swizzle_map = {
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SWIZZLE_X: "PIPE_SWIZZLE_X",
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SWIZZLE_Y: "PIPE_SWIZZLE_Y",
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SWIZZLE_Z: "PIPE_SWIZZLE_Z",
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SWIZZLE_W: "PIPE_SWIZZLE_W",
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SWIZZLE_0: "PIPE_SWIZZLE_0",
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SWIZZLE_1: "PIPE_SWIZZLE_1",
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SWIZZLE_NONE: "PIPE_SWIZZLE_NONE",
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}
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def has_access(format):
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# We don't generate code for YUV formats, and many of the new ones lack
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# pack/unpack functions for softpipe/llvmpipe.
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noaccess_formats = [
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'r1_unorm',
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'yv12',
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'yv16',
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'iyuv',
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'nv12',
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'nv16',
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'nv21',
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'p010',
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'p012',
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'p016',
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'y210',
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'y212',
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'y216',
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'y410',
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'y412',
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'y416',
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'xyuv',
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'ayuv',
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'r8g8_r8b8_unorm',
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'g8r8_b8r8_unorm',
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'g8r8_g8b8_unorm',
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'y8_u8_v8_422_unorm',
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'y8_u8v8_422_unorm',
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'y8_u8_v8_444_unorm',
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'y16_u16_v16_420_unorm',
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'y16_u16_v16_422_unorm',
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'y16_u16v16_422_unorm',
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'y16_u16_v16_444_unorm',
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'r8_g8b8_420_unorm',
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]
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if format.short_name() in noaccess_formats:
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return False
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if format.layout in ('astc', 'atc'):
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return False
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if format.layout == 'etc' and format.short_name() != 'etc1_rgb8':
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return False
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return True
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def write_format_table_header(file):
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print('/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */', file=file)
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print(file=file)
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# This will print the copyright message on the top of this file
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print(CopyRight.strip(), file=file)
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print(file=file)
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print('#include "util/format/u_format.h"', file=file)
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def write_format_table(formats):
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write_format_table_header(sys.stdout)
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print('#include "u_format_bptc.h"')
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print('#include "u_format_fxt1.h"')
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print('#include "u_format_s3tc.h"')
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print('#include "u_format_rgtc.h"')
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print('#include "u_format_latc.h"')
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print('#include "u_format_etc.h"')
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print()
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write_format_table_header(sys.stdout2)
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u_format_pack.generate(formats)
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def do_channel_array(channels, swizzles):
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print(" {")
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for i in range(4):
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channel = channels[i]
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if i < 3:
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sep = ","
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else:
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sep = ""
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if channel.size:
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print(" {%s, %s, %s, %u, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), channel.size, channel.shift, sep, "xyzw"[i], channel.name))
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else:
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print(" {0, 0, 0, 0, 0}%s" % (sep,))
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print(" },")
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def do_swizzle_array(channels, swizzles):
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print(" {")
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for i in range(4):
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swizzle = swizzles[i]
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if i < 3:
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sep = ","
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else:
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sep = ""
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try:
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comment = colorspace_channels_map[format.colorspace][i]
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except (KeyError, IndexError):
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comment = 'ignored'
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print(" %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment))
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print(" },")
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def generate_table_getter(type):
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suffix = ""
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if type == "unpack_":
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suffix = "_generic"
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print("const struct util_format_%sdescription *" % type)
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print("util_format_%sdescription%s(enum pipe_format format)" % (type, suffix))
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print("{")
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print(" if (format >= ARRAY_SIZE(util_format_%sdescriptions))" % (type))
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print(" return NULL;")
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print()
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print(" return &util_format_%sdescriptions[format];" % (type))
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print("}")
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print()
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def generate_function_getter(func):
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print("util_format_%s_func_ptr" % func)
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print("util_format_%s_func(enum pipe_format format)" % (func))
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print("{")
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print(" if (format >= ARRAY_SIZE(util_format_%s_table))" % (func))
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print(" return NULL;")
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print()
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print(" return util_format_%s_table[format];" % (func))
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print("}")
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print()
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print('static const struct util_format_description')
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print('util_format_descriptions[] = {')
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for format in formats:
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sn = format.short_name()
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print(" [%s] = {" % (format.name,))
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print(" %s," % (format.name,))
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print(" \"%s\"," % (format.name,))
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print(" \"%s\"," % (sn,))
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print(" {%u, %u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_depth, format.block_size()))
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print(" %s," % (layout_map(format.layout),))
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print(" %u,\t/* nr_channels */" % (format.nr_channels(),))
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print(" %s,\t/* is_array */" % (bool_map(format.is_array()),))
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print(" %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),))
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print(" %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),))
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print(" %s,\t/* is_unorm */" % (bool_map(format.is_unorm()),))
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print(" %s,\t/* is_snorm */" % (bool_map(format.is_snorm()),))
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u_format_pack.print_channels(format, do_channel_array)
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u_format_pack.print_channels(format, do_swizzle_array)
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print(" %s," % (colorspace_map(format.colorspace),))
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print(" },")
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print()
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print("};")
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print()
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generate_table_getter("")
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print('static const struct util_format_pack_description')
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print('util_format_pack_descriptions[] = {')
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for format in formats:
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sn = format.short_name()
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if not has_access(format):
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print(" [%s] = { 0 }," % (format.name,))
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continue
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print(" [%s] = {" % (format.name,))
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if format.colorspace != ZS and not format.is_pure_color():
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print(" .pack_rgba_8unorm = &util_format_%s_pack_rgba_8unorm," % sn)
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print(" .pack_rgba_float = &util_format_%s_pack_rgba_float," % sn)
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if format.has_depth():
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print(" .pack_z_32unorm = &util_format_%s_pack_z_32unorm," % sn)
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print(" .pack_z_float = &util_format_%s_pack_z_float," % sn)
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if format.has_stencil():
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print(" .pack_s_8uint = &util_format_%s_pack_s_8uint," % sn)
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if format.is_pure_unsigned() or format.is_pure_signed():
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print(" .pack_rgba_uint = &util_format_%s_pack_unsigned," % sn)
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print(" .pack_rgba_sint = &util_format_%s_pack_signed," % sn)
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print(" },")
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print()
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print("};")
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print()
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generate_table_getter("pack_")
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print('static const struct util_format_unpack_description')
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print('util_format_unpack_descriptions[] = {')
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for format in formats:
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sn = format.short_name()
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if not has_access(format):
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print(" [%s] = { 0 }," % (format.name,))
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continue
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print(" [%s] = {" % (format.name,))
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if format.colorspace != ZS and not format.is_pure_color():
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if format.layout == 's3tc' or format.layout == 'rgtc':
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print(" .fetch_rgba_8unorm = &util_format_%s_fetch_rgba_8unorm," % sn)
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if format.block_width > 1:
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print(
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" .unpack_rgba_8unorm_rect = &util_format_%s_unpack_rgba_8unorm," % sn)
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print(
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" .unpack_rgba_rect = &util_format_%s_unpack_rgba_float," % sn)
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else:
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print(
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" .unpack_rgba_8unorm = &util_format_%s_unpack_rgba_8unorm," % sn)
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print(" .unpack_rgba = &util_format_%s_unpack_rgba_float," % sn)
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if format.has_depth():
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print(" .unpack_z_32unorm = &util_format_%s_unpack_z_32unorm," % sn)
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print(" .unpack_z_float = &util_format_%s_unpack_z_float," % sn)
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if format.has_stencil():
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print(" .unpack_s_8uint = &util_format_%s_unpack_s_8uint," % sn)
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if format.is_pure_unsigned():
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print(" .unpack_rgba = &util_format_%s_unpack_unsigned," % sn)
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elif format.is_pure_signed():
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print(" .unpack_rgba = &util_format_%s_unpack_signed," % sn)
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print(" },")
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print("};")
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print()
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generate_table_getter("unpack_")
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print('static const util_format_fetch_rgba_func_ptr util_format_fetch_rgba_table[] = {')
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for format in formats:
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sn = format.short_name()
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if format.colorspace != ZS and has_access(format):
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print(" [%s] = &util_format_%s_fetch_rgba," % (format.name, sn))
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else:
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print(" [%s] = NULL," % format.name)
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print("};")
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print()
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generate_function_getter("fetch_rgba")
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def main():
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formats = []
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sys.stdout2 = open(os.devnull, "w")
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for arg in sys.argv[1:]:
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if arg == '--header':
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sys.stdout2 = sys.stdout
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sys.stdout = open(os.devnull, "w")
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continue
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formats.extend(parse(arg))
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write_format_table(formats)
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if __name__ == '__main__':
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main()
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