mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Alexandros Mandravillis
37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""Guard queued texture upload order when OpenGL leaves depth24 scanout."""
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from pathlib import Path
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import re
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SOURCE = Path(__file__).resolve().parents[1] / "src" / "gpu_gl_renderer.c"
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def function_body(source: str, name: str) -> str:
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match = re.search(rf"\bstatic\s+void\s+{name}\s*\([^;]*?\)\s*\{{", source, re.S)
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if not match:
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raise AssertionError(f"missing function {name}")
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start, depth = match.end(), 1
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for position in range(start, len(source)):
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depth += source[position] == "{"
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depth -= source[position] == "}"
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if depth == 0:
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return source[start:position]
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raise AssertionError(f"unterminated function {name}")
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body = function_body(SOURCE.read_text(encoding="utf-8"), "depth24_upload_policy")
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leave = body.index("else if (!d24 && s_depth24_skip_up)")
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leave_body = body[leave:]
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clear = leave_body.index("depth24_clear_skipped_fb();")
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flush = leave_body.index("flush_cpu_upload();")
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reset = leave_body.index("gpu_depth24_upload_span_reset();")
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if not clear < flush < reset:
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raise AssertionError("depth24 exit must clear the movie band before queued uploads land")
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if re.search(r"\bs_up_nrects\s*=\s*0\s*;", leave_body[:reset]):
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raise AssertionError("depth24 exit must not discard queued texture uploads")
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print("PASS: OpenGL depth24 exit preserves queued texture upload order.")
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