89 lines
2.9 KiB
Zig
89 lines
2.9 KiB
Zig
const std = @import("std");
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pub const Backend = enum {
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no_backend,
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glfw_wgpu,
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win32_dx12,
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glfw_opengl3,
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};
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pub const BuildOptions = struct {
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backend: Backend,
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};
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pub const BuildOptionsStep = struct {
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options: BuildOptions,
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step: *std.build.OptionsStep,
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pub fn init(b: *std.build.Builder, options: BuildOptions) BuildOptionsStep {
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const bos = .{
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.options = options,
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.step = b.addOptions(),
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};
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bos.step.addOption(Backend, "backend", bos.options.backend);
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return bos;
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}
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pub fn getPkg(bos: BuildOptionsStep) std.build.Pkg {
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return bos.step.getPackage("zgui_options");
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}
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fn addTo(bos: BuildOptionsStep, target_step: *std.build.LibExeObjStep) void {
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target_step.addOptions("zgui_options", bos.step);
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}
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};
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pub fn getPkg(dependencies: []const std.build.Pkg) std.build.Pkg {
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return .{
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.name = "zgui",
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.source = .{ .path = thisDir() ++ "/src/main.zig" },
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.dependencies = dependencies,
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};
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}
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pub fn link(exe: *std.build.LibExeObjStep, bos: BuildOptionsStep) void {
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bos.addTo(exe);
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exe.addIncludePath(thisDir() ++ "/libs");
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exe.addIncludePath(thisDir() ++ "/libs/imgui");
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exe.linkSystemLibraryName("c");
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exe.linkSystemLibraryName("c++");
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const cflags = &.{"-fno-sanitize=undefined"};
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exe.addCSourceFile(thisDir() ++ "/src/zgui.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_widgets.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_tables.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_draw.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_demo.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/implot_demo.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/implot.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/implot_items.cpp", cflags);
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switch (bos.options.backend) {
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.glfw_wgpu => {
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_wgpu.cpp", cflags);
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},
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.glfw_opengl3 => {
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_opengl3.cpp", cflags);
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},
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.win32_dx12 => {
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_win32.cpp", cflags);
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exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_dx12.cpp", cflags);
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exe.linkSystemLibraryName("d3dcompiler_47");
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exe.linkSystemLibraryName("dwmapi");
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},
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.no_backend => {},
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}
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}
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inline fn thisDir() []const u8 {
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return comptime std.fs.path.dirname(@src().file) orelse ".";
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}
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