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Adds SDL3 backend

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This commit is contained in:
Mason Remaley 2025-09-07 18:20:13 -07:00
parent cfa032b789
commit fb66226b4a
6 changed files with 59 additions and 4 deletions
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33
build.zig
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@ -69,6 +69,26 @@ pub fn build(b: *std.Build) void {
dear_imgui_vulkan_lib.installHeadersDirectory(vulkan_headers.path("include"), "", .{});
b.installArtifact(dear_imgui_vulkan_lib);
// Compile the SDL3 backend as a static library
const dear_imgui_sdl3_lib = b.addLibrary(.{
.name = "dear_imgui_vulkan",
.root_module = b.createModule(.{
.target = target,
.optimize = optimize_external,
}),
});
dear_imgui_sdl3_lib.linkLibrary(dear_imgui_lib);
dear_imgui_sdl3_lib.addCSourceFile(.{ .file = upstream.path("backends/imgui_impl_sdl3.cpp"), .flags = flags });
dear_imgui_sdl3_lib.addCSourceFile(.{ .file = b.path("src/cached/dcimgui_impl_sdl3.cpp"), .flags = flags });
dear_imgui_sdl3_lib.addIncludePath(upstream.path(""));
dear_imgui_sdl3_lib.addIncludePath(upstream.path("backends"));
const sdl = b.dependency("sdl", .{});
dear_imgui_sdl3_lib.addIncludePath(sdl.path("include"));
// dear_imgui_sdl3_lib.root_module.addCMacro("IMGUI_IMPL_VULKAN_NO_PROTOTYPES", "1"); // Assumed in generator // XXX: ...
dear_imgui_sdl3_lib.installHeadersDirectory(upstream.path("backends"), "", .{});
// dear_imgui_sdl3_lib.installHeadersDirectory(vulkan_headers.path("include"), "", .{}); // XXX: ...
b.installArtifact(dear_imgui_sdl3_lib);
// Compile the generator
const generate_exe = b.addExecutable(.{
.name = "generate",
@ -114,4 +134,17 @@ pub fn build(b: *std.Build) void {
});
dear_imgui_vulkan_zig_module.linkLibrary(dear_imgui_vulkan_lib);
dear_imgui_vulkan_zig_module.addImport("dear_imgui", dear_imgui_zig_module);
// Generate Zig bindings for the SDL3 backend
const generate_sdl3 = b.addRunArtifact(generate_exe);
generate_sdl3.addFileArg(b.path("src/cached/dcimgui_impl_sdl3.json"));
const dear_imgui_sdl3_zig = generate_sdl3.addOutputFileArg("dear_imgui_impl_sdl3.zig");
generate_sdl3.addFileArg(b.path("src/templates/impl_sdl3_prefix.zig.template"));
generate_sdl3.addFileArg(b.path("src/templates/impl_sdl3_postfix.zig.template"));
const dear_imgui_sdl3_zig_module = b.addModule("dear_imgui_sdl3", .{
.root_source_file = dear_imgui_sdl3_zig,
.target = target,
.optimize = optimize,
});
dear_imgui_sdl3_zig_module.linkLibrary(dear_imgui_sdl3_lib);
}