278 lines
10 KiB
Python
278 lines
10 KiB
Python
#
|
|
# Copyright 2017 Advanced Micro Devices, Inc.
|
|
#
|
|
# 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
|
|
# on 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
|
|
# THE AUTHOR(S) AND/OR THEIR 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.
|
|
#
|
|
"""
|
|
Script that generates the mapping from Gallium PIPE_FORMAT_xxx to GFX10_FORMAT_xxx enums.
|
|
"""
|
|
|
|
import json
|
|
import mako.template
|
|
import os
|
|
import re
|
|
import sys
|
|
|
|
AMD_REGISTERS = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), "../registers"))
|
|
UTIL_FORMAT = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), "../../util/format"))
|
|
sys.path.extend([AMD_REGISTERS, UTIL_FORMAT])
|
|
|
|
from regdb import Object, RegisterDatabase
|
|
from u_format_parse import *
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# Hard-coded mappings
|
|
|
|
def hardcoded_format(hw_enum):
|
|
return Object(img_format=hw_enum, flags=[])
|
|
|
|
HARDCODED = {
|
|
'PIPE_FORMAT_Z32_FLOAT_S8X24_UINT': hardcoded_format('X24_8_32_FLOAT'),
|
|
'PIPE_FORMAT_Z24_UNORM_S8_UINT': hardcoded_format('8_24_UNORM'),
|
|
'PIPE_FORMAT_S8_UINT_Z24_UNORM': hardcoded_format('24_8_UNORM'),
|
|
'PIPE_FORMAT_Z32_UNORM': None,
|
|
'PIPE_FORMAT_Z16_UNORM_S8_UINT': None,
|
|
|
|
'PIPE_FORMAT_R9G9B9E5_FLOAT': hardcoded_format('5_9_9_9_FLOAT'),
|
|
'PIPE_FORMAT_R11G11B10_FLOAT': hardcoded_format('10_11_11_FLOAT'), # NOTE: full set of int/unorm/etc. exists
|
|
|
|
'PIPE_FORMAT_R8G8_B8G8_UNORM': hardcoded_format('GB_GR_UNORM'),
|
|
'PIPE_FORMAT_G8R8_B8R8_UNORM': hardcoded_format('GB_GR_UNORM'),
|
|
|
|
'PIPE_FORMAT_R8G8_R8B8_UNORM': hardcoded_format('BG_RG_UNORM'),
|
|
'PIPE_FORMAT_G8R8_G8B8_UNORM': hardcoded_format('BG_RG_UNORM'),
|
|
|
|
# These mixed channel types are not supported natively
|
|
'PIPE_FORMAT_R8SG8SB8UX8U_NORM': None,
|
|
'PIPE_FORMAT_R10SG10SB10SA2U_NORM': None,
|
|
'PIPE_FORMAT_R5SG5SB6U_NORM': None,
|
|
|
|
# Only R8G8_SRGB is supported, not L8A8_SRGB
|
|
'PIPE_FORMAT_L8A8_SRGB': None,
|
|
|
|
# S3TC
|
|
'PIPE_FORMAT_DXT1_RGB': hardcoded_format('BC1_UNORM'),
|
|
'PIPE_FORMAT_DXT1_RGBA': hardcoded_format('BC1_UNORM'),
|
|
'PIPE_FORMAT_DXT1_SRGB': hardcoded_format('BC1_SRGB'),
|
|
'PIPE_FORMAT_DXT1_SRGBA': hardcoded_format('BC1_SRGB'),
|
|
'PIPE_FORMAT_DXT3_RGBA': hardcoded_format('BC2_UNORM'),
|
|
'PIPE_FORMAT_DXT3_SRGBA': hardcoded_format('BC2_SRGB'),
|
|
'PIPE_FORMAT_DXT5_RGBA': hardcoded_format('BC3_UNORM'),
|
|
'PIPE_FORMAT_DXT5_SRGBA': hardcoded_format('BC3_SRGB'),
|
|
|
|
# RGTC
|
|
'PIPE_FORMAT_RGTC1_UNORM': hardcoded_format('BC4_UNORM'),
|
|
'PIPE_FORMAT_RGTC1_SNORM': hardcoded_format('BC4_SNORM'),
|
|
'PIPE_FORMAT_RGTC2_UNORM': hardcoded_format('BC5_UNORM'),
|
|
'PIPE_FORMAT_RGTC2_SNORM': hardcoded_format('BC5_SNORM'),
|
|
'PIPE_FORMAT_LATC1_UNORM': hardcoded_format('BC4_UNORM'),
|
|
'PIPE_FORMAT_LATC1_SNORM': hardcoded_format('BC4_SNORM'),
|
|
'PIPE_FORMAT_LATC2_UNORM': hardcoded_format('BC5_UNORM'),
|
|
'PIPE_FORMAT_LATC2_SNORM': hardcoded_format('BC5_SNORM'),
|
|
|
|
# BPTC
|
|
'PIPE_FORMAT_BPTC_RGB_UFLOAT': hardcoded_format('BC6_UFLOAT'),
|
|
'PIPE_FORMAT_BPTC_RGB_FLOAT': hardcoded_format('BC6_SFLOAT'),
|
|
|
|
'PIPE_FORMAT_BPTC_RGBA_UNORM': hardcoded_format('BC7_UNORM'),
|
|
'PIPE_FORMAT_BPTC_SRGBA': hardcoded_format('BC7_SRGB'),
|
|
|
|
'PIPE_FORMAT_R64_UINT': hardcoded_format('32_32_UINT'),
|
|
'PIPE_FORMAT_R64_SINT': hardcoded_format('32_32_SINT'),
|
|
}
|
|
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# Main script
|
|
|
|
header_template = mako.template.Template("""\
|
|
// DO NOT EDIT -- AUTOMATICALLY GENERATED
|
|
|
|
#include "gfx10_format_table.h"
|
|
#include "amdgfxregs.h"
|
|
|
|
#define FMT(_img_format, ...) \
|
|
{ .img_format = V_008F0C_GFX10_FORMAT_##_img_format, \
|
|
##__VA_ARGS__ }
|
|
|
|
const struct gfx10_format gfx10_format_table[PIPE_FORMAT_COUNT] = {
|
|
% for pipe_format, args in formats:
|
|
% if args is not None:
|
|
[${pipe_format}] = FMT(${args}),
|
|
% else:
|
|
/* ${pipe_format} is not supported */
|
|
% endif
|
|
% endfor
|
|
};
|
|
""")
|
|
|
|
class Gfx10Format(object):
|
|
RE_plain_channel = re.compile(r'X?([0-9]+)')
|
|
|
|
def __init__(self, enum_entry):
|
|
self.img_format = enum_entry.name[13:]
|
|
self.flags = getattr(enum_entry, 'flags', [])
|
|
|
|
code = self.img_format.split('_')
|
|
|
|
self.plain_chan_sizes = []
|
|
for i, chan_code in enumerate(code):
|
|
m = self.RE_plain_channel.match(chan_code)
|
|
if m is None:
|
|
break
|
|
self.plain_chan_sizes.append(int(m.group(1)))
|
|
# Keep the bit sizes in little-endian order
|
|
self.plain_chan_sizes.reverse()
|
|
|
|
self.code = code[i:]
|
|
|
|
|
|
class Gfx10FormatMapping(object):
|
|
def __init__(self, pipe_formats, gfx10_formats):
|
|
self.pipe_formats = pipe_formats
|
|
self.gfx10_formats = gfx10_formats
|
|
|
|
self.plain_gfx10_formats = dict(
|
|
(tuple(['_'.join(fmt.code)] + fmt.plain_chan_sizes), fmt)
|
|
for fmt in gfx10_formats if fmt.plain_chan_sizes
|
|
)
|
|
|
|
def map(self, fmt):
|
|
if fmt.layout == PLAIN:
|
|
chan_type = set([chan.type for chan in fmt.le_channels if chan.type != VOID])
|
|
chan_norm = set([chan.norm for chan in fmt.le_channels if chan.type != VOID])
|
|
chan_pure = set([chan.pure for chan in fmt.le_channels if chan.type != VOID])
|
|
if len(chan_type) > 1 or len(chan_norm) > 1 or len(chan_pure) > 1:
|
|
print(('Format {fmt.name} has inconsistent channel types: ' +
|
|
'{chan_type} {chan_norm} {chan_pure}')
|
|
.format(**locals()),
|
|
file=sys.stderr)
|
|
return None
|
|
|
|
chan_type = chan_type.pop()
|
|
chan_norm = chan_norm.pop()
|
|
chan_pure = chan_pure.pop()
|
|
chan_sizes = [chan.size for chan in fmt.le_channels if chan.size != 0]
|
|
|
|
extra_flags = []
|
|
|
|
if fmt.colorspace == SRGB:
|
|
assert chan_type == UNSIGNED and chan_norm
|
|
num_format = 'SRGB'
|
|
else:
|
|
if chan_type == UNSIGNED:
|
|
if chan_pure:
|
|
num_format = 'UINT'
|
|
elif chan_sizes[0] == 32:
|
|
# Shader-based work-around for 32-bit non-pure-integer
|
|
num_format = 'UINT'
|
|
extra_flags.append('buffers_only')
|
|
elif chan_norm:
|
|
num_format = 'UNORM'
|
|
else:
|
|
num_format = 'USCALED'
|
|
elif chan_type == SIGNED:
|
|
if chan_pure:
|
|
num_format = 'SINT'
|
|
elif chan_sizes[0] == 32:
|
|
# Shader-based work-around for 32-bit non-pure-integer
|
|
num_format = 'SINT'
|
|
extra_flags.append('buffers_only')
|
|
elif chan_norm:
|
|
num_format = 'SNORM'
|
|
else:
|
|
num_format = 'SSCALED'
|
|
elif chan_type == FLOAT:
|
|
num_format = 'FLOAT'
|
|
|
|
if chan_sizes[0] == 64:
|
|
# Shader-based work-around for doubles
|
|
if len(chan_sizes) % 2 == 1:
|
|
# 1 or 3 loads for 1 or 3 double channels
|
|
chan_sizes = [32, 32]
|
|
else:
|
|
# 1 or 2 loads for 2 or 4 double channels
|
|
chan_sizes = [32, 32, 32, 32]
|
|
extra_flags.append('buffers_only')
|
|
else:
|
|
# Shader-based work-around
|
|
assert chan_type == FIXED
|
|
assert chan_sizes[0] == 32
|
|
num_format = 'SINT'
|
|
extra_flags.append('buffers_only')
|
|
|
|
# These are not supported as render targets, so we don't support
|
|
# them as images either.
|
|
if (len(chan_sizes) == 3 and chan_sizes[0] in (8, 16, 32) and
|
|
chan_sizes[0] == chan_sizes[1]):
|
|
extra_flags.append('buffers_only')
|
|
if chan_sizes[0] in (8, 16):
|
|
# Shader-based work-around: one load per channel
|
|
chan_sizes = [chan_sizes[0]]
|
|
|
|
# Don't expose SRGB buffer formats
|
|
if 'buffers_only' in extra_flags and fmt.colorspace == SRGB:
|
|
return None
|
|
|
|
# Don't support 4_4 because it's not supported as render targets
|
|
# and it's useless in other cases.
|
|
if len(chan_sizes) == 2 and chan_sizes[0] == 4:
|
|
return None
|
|
|
|
key = tuple([num_format] + chan_sizes)
|
|
if key not in self.plain_gfx10_formats:
|
|
return None
|
|
|
|
gfx10_fmt = self.plain_gfx10_formats[key]
|
|
return Object(
|
|
img_format=gfx10_fmt.img_format,
|
|
flags=gfx10_fmt.flags + extra_flags,
|
|
)
|
|
|
|
return None
|
|
|
|
|
|
if __name__ == '__main__':
|
|
pipe_formats = parse(sys.argv[1])
|
|
|
|
with open(sys.argv[2], 'r') as filp:
|
|
db = RegisterDatabase.from_json(json.load(filp))
|
|
|
|
gfx10_formats = [Gfx10Format(entry) for entry in db.enum('GFX10_FORMAT').entries]
|
|
|
|
mapping = Gfx10FormatMapping(pipe_formats, gfx10_formats)
|
|
|
|
formats = []
|
|
for fmt in pipe_formats:
|
|
if fmt.name in HARDCODED:
|
|
obj = HARDCODED[fmt.name]
|
|
else:
|
|
obj = mapping.map(fmt)
|
|
|
|
if obj is not None:
|
|
args = obj.img_format
|
|
if 'buffers_only' in obj.flags:
|
|
args += ', .buffers_only = 1'
|
|
else:
|
|
args = None
|
|
formats.append((fmt.name, args))
|
|
|
|
print(header_template.render(formats=formats))
|