zgui/build.zig

97 lines
3.1 KiB
Zig

const std = @import("std");
pub const Backend = enum {
no_backend,
glfw_wgpu,
win32_dx12,
glfw_opengl3,
sdl2_opengl3,
};
pub const Options = struct {
backend: Backend,
};
pub const Package = struct {
module: *std.Build.Module,
options: Options,
options_module: *std.Build.Module,
};
pub fn package(
b: *std.Build,
args: struct {
options: Options,
},
) Package {
const step = b.addOptions();
step.addOption(Backend, "backend", args.options.backend);
const options_module = step.createModule();
const module = b.createModule(.{
.source_file = .{ .path = thisDir() ++ "/src/main.zig" },
.dependencies = &.{
.{ .name = "zgui_options", .module = options_module },
},
});
return .{
.module = module,
.options = args.options,
.options_module = options_module,
};
}
pub fn build(_: *std.Build) void {}
pub fn link(exe: *std.Build.CompileStep, options: Options) void {
exe.addIncludePath(thisDir() ++ "/libs");
exe.addIncludePath(thisDir() ++ "/libs/imgui");
exe.linkSystemLibraryName("c");
exe.linkSystemLibraryName("c++");
const cflags = &.{"-fno-sanitize=undefined"};
exe.addCSourceFile(thisDir() ++ "/src/zgui.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_widgets.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_tables.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_draw.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/imgui_demo.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/implot_demo.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/implot.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/implot_items.cpp", cflags);
switch (options.backend) {
.glfw_wgpu => {
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_wgpu.cpp", cflags);
},
.glfw_opengl3 => {
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_opengl3.cpp", cflags);
},
.sdl2_opengl3 => {
exe.linkSystemLibrary("SDL2");
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_sdl.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_opengl3.cpp", cflags);
},
.win32_dx12 => {
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_win32.cpp", cflags);
exe.addCSourceFile(thisDir() ++ "/libs/imgui/backends/imgui_impl_dx12.cpp", cflags);
exe.linkSystemLibraryName("d3dcompiler_47");
exe.linkSystemLibraryName("dwmapi");
},
.no_backend => {},
}
}
inline fn thisDir() []const u8 {
return comptime std.fs.path.dirname(@src().file) orelse ".";
}