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sal063
2026-04-17 20:40:54 +03:00
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tools/native_graphics_migration/migrate_legacy_graphics_config.py
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#!/usr/bin/env python3
"""
Rewrite legacy AC6 / Rexglue graphics config keys to the planned native renderer
namespace and annotate keys that must be removed manually.
This is intentionally conservative:
- it only rewrites simple `key = value` style lines
- it preserves unrelated lines verbatim
- it emits a report listing renamed and deprecated keys
"""
from __future__ import annotations
import argparse
import pathlib
import re
import sys
from dataclasses import dataclass
KEY_RE = re.compile(r"^(?P<indent>\s*)(?P<key>[A-Za-z0-9_\.]+)(?P<sep>\s*=\s*)(?P<value>.*?)(?P<comment>\s*(?:#.*)?)$")
@dataclass(frozen=True)
class Mapping:
replacement: str | None
note: str
KEY_MAPPINGS: dict[str, Mapping] = {
"ac6_native_graphics_bootstrap": Mapping("ac6_renderer.bootstrap", "Renamed."),
"ac6_native_present_enabled": Mapping("ac6_renderer.enabled", "Renamed."),
"ac6_native_present_enable_postfx": Mapping(
"ac6_renderer.postfx.enabled", "Renamed."
),
"ac6_native_present_enable_ui_compose": Mapping(
"ac6_renderer.ui.compose", "Renamed."
),
"ac6_native_present_force_pm4_fallback": Mapping(
"ac6_renderer.compat.force_legacy_present",
"Legacy fallback remains temporary; remove after native cutover.",
),
"ac6_native_present_allow_unstable": Mapping(
"ac6_renderer.compat.allow_experimental", "Renamed."
),
"trace_gpu_prefix": Mapping(
"ac6_renderer.debug.trace_prefix",
"Renamed. Native trace format differs from PM4 traces.",
),
"trace_gpu_stream": Mapping(
"ac6_renderer.debug.trace_stream",
"Renamed. Native trace format differs from PM4 traces.",
),
"swap_post_effect": Mapping(
"ac6_renderer.postfx.anti_aliasing",
"Map values manually if they depended on emulation-only swap effects.",
),
"vsync": Mapping("ac6_renderer.present.vsync", "Renamed."),
"resolution_scale": Mapping("ac6_renderer.scaling.resolution_scale", "Renamed."),
"draw_resolution_scale_x": Mapping("ac6_renderer.scaling.draw_scale_x", "Renamed."),
"draw_resolution_scale_y": Mapping("ac6_renderer.scaling.draw_scale_y", "Renamed."),
"async_shader_compilation": Mapping(
"ac6_renderer.shader.async_pipeline_compile",
"Renamed for native pipeline compilation.",
),
"d3d12_bindless": Mapping(
"ac6_renderer.backend.d3d12.bindless", "Renamed."
),
"d3d12_submit_on_primary_buffer_end": Mapping(
None,
"Remove. Primary-buffer semantics are PM4-specific and have no native equivalent.",
),
"d3d12_readback_memexport": Mapping(
None,
"Remove. Memexport readback is an emulation-only path.",
),
"d3d12_readback_resolve": Mapping(
None,
"Remove. Resolve readback is an emulation-only path.",
),
"vulkan_submit_on_primary_buffer_end": Mapping(
None,
"Remove. Primary-buffer semantics are PM4-specific and have no native equivalent.",
),
"vulkan_readback_memexport": Mapping(
None,
"Remove. Memexport readback is an emulation-only path.",
),
"vulkan_readback_resolve": Mapping(
None,
"Remove. Resolve readback is an emulation-only path.",
),
"readback_resolve": Mapping(
None,
"Remove. Guest resolve readback does not exist in the native renderer.",
),
"readback_memexport": Mapping(
None,
"Remove. Guest memexport readback does not exist in the native renderer.",
),
"readback_memexport_fast": Mapping(
None,
"Remove. Guest memexport readback does not exist in the native renderer.",
),
"native_2x_msaa": Mapping(
"ac6_renderer.quality.msaa_2x",
"Renamed. Validate against new AA / resolve policy.",
),
"dump_shaders": Mapping(
"ac6_renderer.debug.dump_shaders",
"Renamed. Output now uses native compiled shader manifests.",
),
}
def transform_line(line: str) -> tuple[str, str | None]:
match = KEY_RE.match(line)
if not match:
return line, None
key = match.group("key")
mapping = KEY_MAPPINGS.get(key)
if mapping is None:
return line, None
indent = match.group("indent")
sep = match.group("sep")
value = match.group("value")
comment = match.group("comment")
if mapping.replacement is None:
rewritten = (
f"{indent}# DEPRECATED: {key}{sep}{value}{comment}\n"
f"{indent}# NOTE: {mapping.note}\n"
)
return rewritten, f"deprecated {key}: {mapping.note}"
rewritten = f"{indent}{mapping.replacement}{sep}{value}{comment}\n"
if comment.strip():
return rewritten, f"renamed {key} -> {mapping.replacement}"
return (
rewritten.rstrip("\n") + f" # {mapping.note}\n",
f"renamed {key} -> {mapping.replacement}",
)
def migrate_text(text: str) -> tuple[str, list[str]]:
out_lines: list[str] = []
report: list[str] = []
for original in text.splitlines(keepends=True):
rewritten, event = transform_line(original)
out_lines.append(rewritten)
if event:
report.append(event)
return "".join(out_lines), report
def main() -> int:
parser = argparse.ArgumentParser(
description="Migrate legacy AC6 graphics config keys to the native renderer namespace."
)
parser.add_argument("input", type=pathlib.Path, help="Source config file")
parser.add_argument(
"-o",
"--output",
type=pathlib.Path,
help="Output config file. Defaults to <input>.native-migrated",
)
parser.add_argument(
"--in-place",
action="store_true",
help="Rewrite the input file in place.",
)
args = parser.parse_args()
if args.in_place and args.output is not None:
print("--in-place cannot be used together with --output", file=sys.stderr)
return 2
source = args.input.read_text(encoding="utf-8")
migrated, report = migrate_text(source)
if args.in_place:
destination = args.input
elif args.output is not None:
destination = args.output
else:
destination = args.input.with_name(args.input.name + ".native-migrated")
destination.write_text(migrated, encoding="utf-8")
print(f"Wrote migrated config to: {destination}")
if not report:
print("No legacy graphics keys were rewritten.")
return 0
print("Migration report:")
for entry in report:
print(f"- {entry}")
return 0
if __name__ == "__main__":
raise SystemExit(main())