mcap/check_targets.jai
Musa Mahmood 8b6602119a [0.0.12] Segmentation phase 3: segs and mask chunks in .mcap files
- modules/Capture_File/segment_chunks.jai: a front "segs" chunk (text: engine, date, the image read
  and its size, the class list's hash, and each segment's id, score, area, box and class) and a back
  "mask" chunk (a segment id per pixel, run-length encoded with LEB128 lengths, longest side at most
  1024), keyed by model. No new file version: chunks came in version 3.
- mcap_store takes back chunks too, so a model's summary and mask are stored in one rewrite.
- Tests: the text round trip, the runs' edge cases (one segment over everything, none, runs across
  rows, multi-byte lengths, id 255), bad masks refused, and storing, replacing and erasing both
  chunks in a file with other chunks kept.
- segment-probe takes .mcap files (the image each is shown as; videos skipped) and with -store stores
  its segments in them. On 27 images a mask is 0.8 to 6.4 KB.
- The format README's "Segmentation chunks" section; the plan's phase 3 results.
2026-10-10 03:44:41 +01:00

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// Type-checks src/App.jai for another OS without producing or linking a binary, to catch errors
// in code your machine does not build:
//
// jai check_targets.jai - linux (from any OS)
// jai check_targets.jai - macos (from a Mac only: the Objective_C module runs code at compile time)
//
// The constants below stand in for the ones first.jai generates; keep their names in step.
#run,stallable {
set_build_options_dc(.{do_output = false});
args := get_build_options().compile_time_command_line;
target := Operating_System_Tag.LINUX;
cpu := CPU_Tag.X64;
if array_find(args, "macos") { target = .MACOS; cpu = .ARM64; }
options := get_build_options();
options.os_target = target;
options.cpu_target = cpu;
options.output_type = .NO_OUTPUT;
options.backend = .LLVM;
options.output_executable_name = "check";
options.output_path = ".build";
w := compiler_create_workspace("check");
set_build_options(options, w);
compiler_begin_intercept(w);
add_build_file("src/App.jai", w);
add_build_string(#string S
APP_NAME :: "mcap";
APP_FOLDER_NAME :: "mcap";
GIT_BRANCH :: "check";
GIT_HASH :: "-";
VERSION :: "0.0.12";
BUILD_DATE :: "-";
DEBUG :: true;
COMPILE_TESTS :: true;
COMPILE_ARGS :: "";
NO_CRASH_DIALOG :: false;
S, w);
while true {
message := compiler_wait_for_message();
if message.kind == .COMPLETE {
m := cast(*Message_Complete) message;
log("% check: %", target, m.error_code);
break;
}
}
compiler_end_intercept(w);
}
#import "Basic";
#import "Compiler";