spirv: Auto-generate spirv_info.h
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Iván Briano <ivan.briano@intel.com> Acked-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28905>
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Faith Ekstrand
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156
src/compiler/spirv/spirv_info_gen.py
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156
src/compiler/spirv/spirv_info_gen.py
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COPYRIGHT = """\
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/*
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* Copyright (C) 2017 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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* 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 OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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"""
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import argparse
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import json
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from sys import stdout
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from mako.template import Template
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def collect_data(spirv, kind):
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for x in spirv["operand_kinds"]:
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if x["kind"] == kind:
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operands = x
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break
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# There are some duplicate values in some of the tables (thanks guys!), so
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# filter them out.
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seen = set()
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values = []
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for x in operands["enumerants"]:
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if x["value"] not in seen:
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seen.add(x["value"])
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values.append(x["enumerant"])
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return (kind, values, operands["category"])
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def collect_opcodes(spirv):
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seen = set()
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values = []
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for x in spirv["instructions"]:
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# Handle aliases by choosing the first one in the grammar.
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# E.g. OpDecorateString and OpDecorateStringGOOGLE share same opcode.
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if x["opcode"] in seen:
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continue
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opcode = x["opcode"]
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name = x["opname"]
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assert name.startswith("Op")
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values.append(name[2:])
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seen.add(opcode)
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return ("Op", values, None)
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def parse_args():
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p = argparse.ArgumentParser()
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p.add_argument('--out-c', required=True, help='Output C file.')
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p.add_argument('--out-h', required=True, help='Output H file.')
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p.add_argument('--json', required=True, help='SPIR-V JSON file.')
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return p.parse_args()
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TEMPLATE_H = Template("""\
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/* DO NOT EDIT - This file is generated automatically by spirv_info_c.py script */
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""" + COPYRIGHT + """\
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#ifndef _SPIRV_INFO_H_
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#define _SPIRV_INFO_H_
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#include "spirv.h"
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% for kind,values,category in info:
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% if category == "BitEnum":
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const char *spirv_${kind.lower()}_to_string(Spv${kind}Mask v);
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% else:
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const char *spirv_${kind.lower()}_to_string(Spv${kind} v);
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% endif
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% endfor
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#endif /* SPIRV_INFO_H */
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""")
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TEMPLATE_C = Template("""\
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/* DO NOT EDIT - This file is generated automatically by spirv_info_c.py script */
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""" + COPYRIGHT + """\
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#include "spirv_info.h"
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% for kind,values,category in info:
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% if category == "BitEnum":
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const char *
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spirv_${kind.lower()}_to_string(Spv${kind}Mask v)
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{
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switch (v) {
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% for name in values:
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%if name != "None":
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case Spv${kind}${name}Mask: return "Spv${kind}${name}";
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% else:
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case Spv${kind}MaskNone: return "Spv${kind}${name}";
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% endif
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% endfor
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}
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return "unknown";
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}
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% else:
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const char *
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spirv_${kind.lower()}_to_string(Spv${kind} v)
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{
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switch (v) {
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% for name in values:
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case Spv${kind}${name}: return "Spv${kind}${name}";
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% endfor
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case Spv${kind}Max: break; /* silence warnings about unhandled enums. */
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}
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return "unknown";
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}
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% endif
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% endfor
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""")
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if __name__ == "__main__":
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pargs = parse_args()
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spirv_info = json.JSONDecoder().decode(open(pargs.json, "r").read())
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info = [
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collect_data(spirv_info, "AddressingModel"),
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collect_data(spirv_info, "BuiltIn"),
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collect_data(spirv_info, "Capability"),
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collect_data(spirv_info, "Decoration"),
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collect_data(spirv_info, "Dim"),
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collect_data(spirv_info, "ExecutionMode"),
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collect_data(spirv_info, "ExecutionModel"),
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collect_data(spirv_info, "ImageFormat"),
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collect_data(spirv_info, "MemoryModel"),
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collect_data(spirv_info, "StorageClass"),
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collect_data(spirv_info, "ImageOperands"),
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collect_data(spirv_info, "FPRoundingMode"),
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collect_opcodes(spirv_info),
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]
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with open(pargs.out_h, 'w', encoding='utf-8') as f:
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f.write(TEMPLATE_H.render(info=info))
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with open(pargs.out_c, 'w', encoding='utf-8') as f:
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f.write(TEMPLATE_C.render(info=info))
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