mirror of
https://github.com/lucannez64/darling-lol.git
synced 2026-10-27 19:54:38 +00:00
66 lines
4.1 KiB
Python
66 lines
4.1 KiB
Python
#!/usr/bin/env python3
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"""Build the paired Iridium shader translator and Indium runtime overrides."""
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from pathlib import Path
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import os
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import shlex
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import subprocess
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import sys
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root = Path(__file__).resolve().parent.parent
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folder = root / 'build/darling-src/build/src/external/metal/deps/indium'
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# Keep the validated LLVM major locally when a system update replaces it.
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pinned_llvm = root / 'build/llvm22/usr'
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resource_include = subprocess.check_output(['clang++', '-print-resource-dir'], text=True).strip() + '/include'
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def current_includes(values):
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return [resource_include if value.startswith('/usr/lib/clang/') and value.endswith('/include') else value for value in values]
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iridium_flags = {}
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for line in (folder / 'CMakeFiles/iridium.dir/flags.make').read_text().splitlines():
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if line.startswith('CXX_') and ' = ' in line:
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key, value = line.split(' = ', 1)
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iridium_flags[key] = shlex.split(value)
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iridium_flags['CXX_INCLUDES'] = current_includes(iridium_flags['CXX_INCLUDES'])
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# RIOT_IRIDIUM_SYSTEM_LLVM=1 ignores the pin and builds against the host LLVM, as a fresh checkout does.
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if (pinned_llvm / 'lib/libLLVM-22.so').exists() and os.environ.get('RIOT_IRIDIUM_SYSTEM_LLVM') != '1':
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llvm_include = pinned_llvm / 'include'
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llvm_library = pinned_llvm / 'lib/libLLVM-22.so'
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else:
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# Do not combine cached CMake include paths with a newer llvm-config library.
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llvm_include = Path(subprocess.check_output(['llvm-config', '--includedir'], text=True).strip())
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llvm_libdir = Path(subprocess.check_output(['llvm-config', '--libdir'], text=True).strip())
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llvm_names = shlex.split(subprocess.check_output(['llvm-config', '--link-shared', '--libnames'], text=True))
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if len(llvm_names) != 1:
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raise SystemExit('Iridium requires one shared LLVM library, got: ' + repr(llvm_names))
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llvm_library = llvm_libdir / llvm_names[0]
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iridium_flags['CXX_INCLUDES'].insert(0, '-I' + str(llvm_include))
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iridium_flags['CXX_DEFINES'] = [value for value in iridium_flags['CXX_DEFINES'] if not value.startswith('-DHOST_LLVM_LIBNAME=')]
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iridium_flags['CXX_DEFINES'].append('-DHOST_LLVM_LIBNAME="' + str(llvm_library) + '"')
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print(f'Iridium LLVM headers: {llvm_include}; library: {llvm_library}', flush=True)
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iridium_link = shlex.split((folder / 'CMakeFiles/iridium.dir/link.txt').read_text())
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for name in ('air', 'dynamic-llvm', 'iridium', 'spirv'):
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obj = root / f'build/riot-iridium-{name}.o'
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subprocess.run(['clang++', *iridium_flags['CXX_DEFINES'], *iridium_flags['CXX_INCLUDES'],
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*iridium_flags['CXX_FLAGS'], '-O2', '-c', str(root / ('build/darling-src/src/external/metal/deps/indium/src/iridium/' + name + '.cpp')),
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'-o', str(obj)], check=True)
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iridium_link[iridium_link.index('CMakeFiles/iridium.dir/src/iridium/' + name + '.cpp.o')] = str(obj)
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iridium_link[iridium_link.index('-o') + 1] = str(root / 'build/riot-libiridium.dylib')
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subprocess.run(iridium_link, cwd=folder, check=True)
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if '--iridium-only' in sys.argv:
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sys.exit(0)
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flags = {}
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for line in (folder / 'CMakeFiles/indium.dir/flags.make').read_text().splitlines():
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if line.startswith('CXX_') and ' = ' in line:
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key, value = line.split(' = ', 1)
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flags[key] = shlex.split(value)
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flags['CXX_INCLUDES'] = current_includes(flags['CXX_INCLUDES'])
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link = shlex.split((folder / 'CMakeFiles/indium.dir/link.txt').read_text())
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# Rebuild every object: private encoder layouts are shared with command-buffer factories.
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indium_names = [Path(arg).name.removesuffix('.cpp.o') for arg in link
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if arg.startswith('CMakeFiles/indium.dir/src/indium/') and arg.endswith('.cpp.o')]
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for name in indium_names:
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obj = root / f'build/riot-indium-{name}.o'
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subprocess.run(['clang++', *flags['CXX_DEFINES'], *flags['CXX_INCLUDES'],
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*flags['CXX_FLAGS'], '-O2', '-c', str(root / ('build/darling-src/src/external/metal/deps/indium/src/indium/' + name + '.cpp')),
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'-o', str(obj)], check=True)
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link[link.index('CMakeFiles/indium.dir/src/indium/' + name + '.cpp.o')] = str(obj)
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link[link.index('-o') + 1] = str(root / 'build/riot-libindium.dylib')
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subprocess.run(link, cwd=folder, check=True)
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