A development option; the Mac is the development host, not a platform for players. The same steps up to the
shaders (extraction, DLC, rewrite, run-time captures and decodes, heap check, shader split), then only the
Mac's: dmsh_build.py without IOSOUT (an inherited one is dropped), a Vulkan or GL game's library without --ios,
the Mac host for the profile into <id>_build/tools/dmhost (build_mac_host, through DM_GAMES_DIR /
DM_GAMES_FIRST for a provisional or derived profile) and the button-icon font into <id>_build/font. No iOS
shaders, Xcode project or IPA; the extracted files are kept whatever KEEP_EXTRACTED says, and the last line is
the command that runs the game (its save in <id>_build/run/save, DM_NVN_SHMAP for an NVN game, DM_AOC_DIR
with DLC, the --env-file switches). It refuses --prepare-xcode and an Intel Mac.
Reuse: the Mac libraries have a key of their own (shader/mac-b-<chain>.key beside the cache folder,
shader/vk.key / gl.key), which an iOS build writes too, so a Mac-only build after an IPA reuses its shaders;
either key only while the Mac libraries carry a full build's stamp (inputs.tsv). An iOS build after a Mac-only
one translates again (dmsh_build.py's per-shader keys include the iOS compile convention) and takes the Mac
libraries from the Metal compile cache. build_mac_host now has a reuse key too (the compile line, the sources and
headers of the folders it compiles, the generated profile header, libvpx, the third-party headers, clang and the
SDK), which also saves the rebuild for the Oodle / LZ5 decodes and the run-time captures. build_vk_shaders and
build_gl_shaders share layer_shaders. The default (ios) path builds as before.
Checked: dm/tools/tests 34 of 34 (11 in the new test_nsp_mac.py); Hades in Mac mode ran the Mac stages only,
printed the run command and exited 0, and a second run reused every stage, the host included (2 s); the host it
built boots Hades from that command. Breath of the Wild (NVN, with DLC) in Mac mode restored its 19,592 shaders
from the cache, printed a command with DM_AOC_DIR and DM_NVN_SHMAP, and the host booted it from that command into
play. Not run end to end here: a GL, provisional or derived game in Mac mode, and an IPA after a Mac-only build
(unit tests with the tools stubbed).
Co-authored-by: v0lumehi <34629096+v0lumehi@users.noreply.github.com>
