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Automates much of the process of upgrading this repo to new Dear ImGUI versions

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This commit is contained in:
Mason Remaley 2026-01-16 00:57:28 -08:00
parent 67e1f44f0f
commit 514e1e35e6
6 changed files with 135 additions and 36 deletions
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52
build.zig
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@ -176,4 +176,56 @@ pub fn build(b: *std.Build) void {
});
const docs_step = b.step("docs", "Build the docs");
docs_step.dependOn(&install_docs.step);
const dear_bindings = b.step("dear_bindings", "Update the cached bindings in this project's source tree to a new version of Dear ImGUI");
dear_bindings: {
const dear_bindings_path = b.graph.environ_map.get("DEAR_BINDINGS") orelse {
dear_bindings.dependOn(&b.addFail("$DEAR_BINDINGS not set").step);
break :dear_bindings;
};
{
const run = b.addSystemCommand(&.{ "python3", dear_bindings_path });
run.addArg("--imconfig-path");
run.addFileArg(b.path("src/include/imconfig_zig.h"));
run.addArg("-o");
run.addArg("src/cached/dcimgui");
run.addFileArg(upstream.path("imgui.h"));
dear_bindings.dependOn(&run.step);
run.has_side_effects = true;
}
{
const run = b.addSystemCommand(&.{ "python3", dear_bindings_path });
run.addArg("--imconfig-path");
run.addFileArg(b.path("src/include/imconfig_zig.h"));
run.addArg("-o");
run.addArg("src/cached/dcimgui_internal");
run.addFileArg(upstream.path("imgui_internal.h"));
run.addArg("--include");
run.addFileArg(upstream.path("imgui.h"));
dear_bindings.dependOn(&run.step);
run.has_side_effects = true;
}
{
const run = b.addSystemCommand(&.{ "python3", dear_bindings_path });
run.addArg("--backend");
run.addArg("--imconfig-path");
run.addFileArg(b.path("src/include/imconfig_zig.h"));
run.addArg("-o");
run.addArg("src/cached/dcimgui_impl_vulkan");
run.addFileArg(upstream.path("backends/imgui_impl_vulkan.h"));
dear_bindings.dependOn(&run.step);
run.has_side_effects = true;
}
{
const run = b.addSystemCommand(&.{ "python3", dear_bindings_path });
run.addArg("--backend");
run.addArg("--imconfig-path");
run.addFileArg(b.path("src/include/imconfig_zig.h"));
run.addArg("-o");
run.addArg("src/cached/dcimgui_impl_sdl3");
run.addFileArg(upstream.path("backends/imgui_impl_sdl3.h"));
dear_bindings.dependOn(&run.step);
run.has_side_effects = true;
}
}
}