1587 lines
72 KiB
Zig
1587 lines
72 KiB
Zig
const std = @import("std");
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const Builder = std.build.Builder;
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pub fn Sdk(comptime deps: anytype) type {
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return struct {
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pub const LinuxWindowManager = enum {
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X11,
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Wayland,
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};
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pub const Options = struct {
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/// Defaults to X11 on Linux.
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linux_window_manager: ?LinuxWindowManager = null,
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/// Defaults to true on Windows
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d3d12: ?bool = null,
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/// Defaults to true on Darwin
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metal: ?bool = null,
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/// Defaults to true on Linux, Fuchsia
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// TODO(build-system): enable on Windows if we can cross compile Vulkan
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vulkan: ?bool = null,
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/// Defaults to true on Linux
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desktop_gl: ?bool = null,
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/// Defaults to true on Android, Linux, Windows, Emscripten
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// TODO(build-system): not respected at all currently
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opengl_es: ?bool = null,
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/// Whether or not minimal debug symbols should be emitted. This is -g1 in most cases, enough to
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/// produce stack traces but omitting debug symbols for locals. For spirv-tools and tint in
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/// specific, -g0 will be used (no debug symbols at all) to save an additional ~39M.
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debug: bool = false,
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/// Whether or not to produce separate static libraries for each component of Dawn (reduces
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/// iteration times when building from source / testing changes to Dawn source code.)
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separate_libs: bool = false,
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/// Whether to build Dawn from source or not.
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from_source: bool = false,
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/// Produce static libraries at zig-out/lib
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install_libs: bool = false,
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/// The binary release version to use from https://github.com/hexops/mach-gpu-dawn/releases
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binary_version: []const u8 = "release-e50c80a",
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/// Detects the default options to use for the given target.
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pub fn detectDefaults(self: Options, target: std.Target) Options {
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const tag = target.os.tag;
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const linux_desktop_like = isLinuxDesktopLike(target);
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var options = self;
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if (options.linux_window_manager == null and linux_desktop_like) options.linux_window_manager = .X11;
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if (options.d3d12 == null) options.d3d12 = tag == .windows;
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if (options.metal == null) options.metal = tag.isDarwin();
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if (options.vulkan == null) options.vulkan = tag == .fuchsia or linux_desktop_like;
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// TODO(build-system): technically Dawn itself defaults desktop_gl to true on Windows.
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if (options.desktop_gl == null) options.desktop_gl = linux_desktop_like;
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options.opengl_es = false; // TODO(build-system): OpenGL ES
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// if (options.opengl_es == null) options.opengl_es = tag == .windows or tag == .emscripten or target.isAndroid() or linux_desktop_like;
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return options;
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}
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pub fn appendFlags(self: Options, flags: *std.ArrayList([]const u8), debug_symbols: bool, is_cpp: bool) !void {
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if (debug_symbols) try flags.append("-g1") else try flags.append("-g0");
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if (is_cpp) try flags.append("-std=c++17");
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if (self.linux_window_manager != null and self.linux_window_manager.? == .X11) try flags.append("-DDAWN_USE_X11");
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}
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};
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pub fn link(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !void {
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const opt = options.detectDefaults(step.target_info.target);
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try if (options.from_source)
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linkFromSource(b, step, opt)
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else
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linkFromBinary(b, step, opt);
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}
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fn linkFromSource(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !void {
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// branch: generated-2022-08-06
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try ensureGitRepoCloned(b.allocator, "https://github.com/hexops/dawn", "0b704c4acae154ec8d4be7615d18a489f270f6c0", sdkPath("/libs/dawn"));
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// branch: mach
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try ensureGitRepoCloned(b.allocator, "https://github.com/hexops/DirectXShaderCompiler", "cff9a6f0b7f961748b822e1d313a7205dfdecf9d", sdkPath("/libs/DirectXShaderCompiler"));
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step.addIncludePath(sdkPath("/libs/dawn/out/Debug/gen/include"));
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step.addIncludePath(sdkPath("/libs/dawn/include"));
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step.addIncludePath(sdkPath("/src/dawn"));
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if (options.separate_libs) {
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const lib_mach_dawn_native = try buildLibMachDawnNative(b, step, options);
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step.linkLibrary(lib_mach_dawn_native);
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const lib_dawn_common = try buildLibDawnCommon(b, step, options);
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step.linkLibrary(lib_dawn_common);
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const lib_dawn_platform = try buildLibDawnPlatform(b, step, options);
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step.linkLibrary(lib_dawn_platform);
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// dawn-native
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const lib_abseil_cpp = try buildLibAbseilCpp(b, step, options);
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step.linkLibrary(lib_abseil_cpp);
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const lib_dawn_native = try buildLibDawnNative(b, step, options);
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step.linkLibrary(lib_dawn_native);
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if (options.d3d12.?) {
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const lib_dxcompiler = try buildLibDxcompiler(b, step, options);
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step.linkLibrary(lib_dxcompiler);
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}
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const lib_dawn_wire = try buildLibDawnWire(b, step, options);
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step.linkLibrary(lib_dawn_wire);
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const lib_dawn_utils = try buildLibDawnUtils(b, step, options);
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step.linkLibrary(lib_dawn_utils);
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const lib_spirv_tools = try buildLibSPIRVTools(b, step, options);
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step.linkLibrary(lib_spirv_tools);
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const lib_tint = try buildLibTint(b, step, options);
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step.linkLibrary(lib_tint);
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return;
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}
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const lib_dawn = b.addStaticLibrary("dawn", null);
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lib_dawn.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
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lib_dawn.setTarget(step.target);
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lib_dawn.linkLibCpp();
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if (options.install_libs)
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lib_dawn.install();
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step.linkLibrary(lib_dawn);
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_ = try buildLibMachDawnNative(b, lib_dawn, options);
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_ = try buildLibDawnCommon(b, lib_dawn, options);
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_ = try buildLibDawnPlatform(b, lib_dawn, options);
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_ = try buildLibAbseilCpp(b, lib_dawn, options);
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_ = try buildLibDawnNative(b, lib_dawn, options);
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_ = try buildLibDawnWire(b, lib_dawn, options);
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_ = try buildLibDawnUtils(b, lib_dawn, options);
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_ = try buildLibSPIRVTools(b, lib_dawn, options);
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_ = try buildLibTint(b, lib_dawn, options);
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if (options.d3d12.?) _ = try buildLibDxcompiler(b, lib_dawn, options);
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}
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fn ensureGitRepoCloned(allocator: std.mem.Allocator, clone_url: []const u8, revision: []const u8, dir: []const u8) !void {
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if (isEnvVarTruthy(allocator, "NO_ENSURE_SUBMODULES") or isEnvVarTruthy(allocator, "NO_ENSURE_GIT")) {
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return;
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}
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ensureGit(allocator);
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if (std.fs.openDirAbsolute(dir, .{})) |_| {
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const current_revision = try getCurrentGitRevision(allocator, dir);
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if (!std.mem.eql(u8, current_revision, revision)) {
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// Reset to the desired revision
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exec(allocator, &[_][]const u8{ "git", "fetch" }, dir) catch |err| std.debug.print("warning: failed to 'git fetch' in {s}: {s}\n", .{ dir, @errorName(err) });
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try exec(allocator, &[_][]const u8{ "git", "reset", "--quiet", "--hard", revision }, dir);
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try exec(allocator, &[_][]const u8{ "git", "submodule", "update", "--init", "--recursive" }, dir);
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}
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return;
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} else |err| return switch (err) {
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error.FileNotFound => {
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std.log.info("cloning required dependency..\ngit clone {s} {s}..\n", .{ clone_url, dir });
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try exec(allocator, &[_][]const u8{ "git", "clone", "-c", "core.longpaths=true", clone_url, dir }, sdkPath("/"));
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try exec(allocator, &[_][]const u8{ "git", "reset", "--quiet", "--hard", revision }, dir);
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try exec(allocator, &[_][]const u8{ "git", "submodule", "update", "--init", "--recursive" }, dir);
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return;
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},
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else => err,
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};
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}
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fn exec(allocator: std.mem.Allocator, argv: []const []const u8, cwd: []const u8) !void {
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var child = std.ChildProcess.init(argv, allocator);
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child.cwd = cwd;
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_ = try child.spawnAndWait();
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}
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fn getCurrentGitRevision(allocator: std.mem.Allocator, cwd: []const u8) ![]const u8 {
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const result = try std.ChildProcess.exec(.{ .allocator = allocator, .argv = &.{ "git", "rev-parse", "HEAD" }, .cwd = cwd });
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allocator.free(result.stderr);
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if (result.stdout.len > 0) return result.stdout[0 .. result.stdout.len - 1]; // trim newline
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return result.stdout;
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}
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fn ensureGit(allocator: std.mem.Allocator) void {
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const argv = &[_][]const u8{ "git", "--version" };
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const result = std.ChildProcess.exec(.{
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.allocator = allocator,
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.argv = argv,
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.cwd = ".",
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}) catch { // e.g. FileNotFound
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std.log.err("mach: error: 'git --version' failed. Is git not installed?", .{});
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std.process.exit(1);
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};
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defer {
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allocator.free(result.stderr);
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allocator.free(result.stdout);
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}
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if (result.term.Exited != 0) {
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std.log.err("mach: error: 'git --version' failed. Is git not installed?", .{});
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std.process.exit(1);
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}
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}
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fn isEnvVarTruthy(allocator: std.mem.Allocator, name: []const u8) bool {
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if (std.process.getEnvVarOwned(allocator, name)) |truthy| {
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defer allocator.free(truthy);
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if (std.mem.eql(u8, truthy, "true")) return true;
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return false;
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} else |_| {
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return false;
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}
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}
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fn getGitHubBaseURLOwned(allocator: std.mem.Allocator) ![]const u8 {
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if (std.process.getEnvVarOwned(allocator, "MACH_GITHUB_BASE_URL")) |base_url| {
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std.log.info("mach: respecting MACH_GITHUB_BASE_URL: {s}\n", .{base_url});
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return base_url;
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} else |_| {
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return allocator.dupe(u8, "https://github.com");
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}
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}
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pub fn linkFromBinary(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !void {
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const target = step.target_info.target;
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const binaries_available = switch (target.os.tag) {
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.windows => target.abi.isGnu(),
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.linux => (target.cpu.arch.isX86() or target.cpu.arch.isAARCH64()) and (target.abi.isGnu() or target.abi.isMusl()),
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.macos => blk: {
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if (!target.cpu.arch.isX86() and !target.cpu.arch.isAARCH64()) break :blk false;
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// If min. target macOS version is lesser than the min version we have available, then
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// our binary is incompatible with the target.
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const min_available = std.builtin.Version{ .major = 12, .minor = 0 };
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if (target.os.version_range.semver.min.order(min_available) == .lt) break :blk false;
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break :blk true;
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},
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else => false,
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};
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if (!binaries_available) {
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const zig_triple = try target.zigTriple(b.allocator);
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defer b.allocator.free(zig_triple);
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std.log.err("gpu-dawn binaries for {s} not available.", .{zig_triple});
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std.log.err("-> open an issue: https://github.com/hexops/mach/issues", .{});
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std.log.err("-> build from source (takes 5-15 minutes):", .{});
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std.log.err(" use -Ddawn-from-source=true or set `Options.from_source = true`\n", .{});
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if (target.os.tag == .macos) {
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std.log.err("", .{});
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if (target.cpu.arch.isX86()) std.log.err("-> Did you mean to use -Dtarget=x86_64-macos.12 ?", .{});
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if (target.cpu.arch.isAARCH64()) std.log.err("-> Did you mean to use -Dtarget=aarch64-macos.12 ?", .{});
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}
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std.process.exit(1);
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}
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// Remove OS version range / glibc version from triple (we do not include that in our download
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// URLs.)
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var binary_target = std.zig.CrossTarget.fromTarget(target);
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binary_target.os_version_min = .{ .none = undefined };
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binary_target.os_version_max = .{ .none = undefined };
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binary_target.glibc_version = null;
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const zig_triple = try binary_target.zigTriple(b.allocator);
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defer b.allocator.free(zig_triple);
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try ensureBinaryDownloaded(b.allocator, zig_triple, options.debug, target.os.tag == .windows, options.binary_version);
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const base_cache_dir_rel = try std.fs.path.join(b.allocator, &.{ "zig-cache", "mach", "gpu-dawn" });
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try std.fs.cwd().makePath(base_cache_dir_rel);
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const base_cache_dir = try std.fs.cwd().realpathAlloc(b.allocator, base_cache_dir_rel);
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const commit_cache_dir = try std.fs.path.join(b.allocator, &.{ base_cache_dir, options.binary_version });
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const release_tag = if (options.debug) "debug" else "release-fast";
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const target_cache_dir = try std.fs.path.join(b.allocator, &.{ commit_cache_dir, zig_triple, release_tag });
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const include_dir = try std.fs.path.join(b.allocator, &.{ commit_cache_dir, "include" });
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defer {
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b.allocator.free(base_cache_dir);
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b.allocator.free(commit_cache_dir);
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b.allocator.free(target_cache_dir);
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b.allocator.free(include_dir);
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}
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step.addLibraryPath(target_cache_dir);
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step.linkSystemLibraryName("dawn");
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step.linkLibCpp();
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step.addIncludePath(include_dir);
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step.addIncludePath(sdkPath("/src/dawn"));
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if (options.linux_window_manager != null and options.linux_window_manager.? == .X11) {
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step.linkSystemLibraryName("X11");
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}
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if (options.metal.?) {
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step.linkFramework("Metal");
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step.linkFramework("CoreGraphics");
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step.linkFramework("Foundation");
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step.linkFramework("IOKit");
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step.linkFramework("IOSurface");
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step.linkFramework("QuartzCore");
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}
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if (options.d3d12.?) {
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step.linkSystemLibraryName("ole32");
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step.linkSystemLibraryName("dxguid");
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}
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}
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pub fn ensureBinaryDownloaded(
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allocator: std.mem.Allocator,
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zig_triple: []const u8,
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is_debug: bool,
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is_windows: bool,
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version: []const u8,
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) !void {
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// If zig-cache/mach/gpu-dawn/<git revision> does not exist:
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// If on a commit in the main branch => rm -r zig-cache/mach/gpu-dawn/
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// else => noop
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// If zig-cache/mach/gpu-dawn/<git revision>/<target> exists:
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// noop
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// else:
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// Download archive to zig-cache/mach/gpu-dawn/download/macos-aarch64
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// Extract to zig-cache/mach/gpu-dawn/<git revision>/macos-aarch64/libgpu.a
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// Remove zig-cache/mach/gpu-dawn/download
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const base_cache_dir_rel = try std.fs.path.join(allocator, &.{ "zig-cache", "mach", "gpu-dawn" });
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try std.fs.cwd().makePath(base_cache_dir_rel);
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const base_cache_dir = try std.fs.cwd().realpathAlloc(allocator, base_cache_dir_rel);
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const commit_cache_dir = try std.fs.path.join(allocator, &.{ base_cache_dir, version });
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defer {
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allocator.free(base_cache_dir_rel);
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allocator.free(base_cache_dir);
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allocator.free(commit_cache_dir);
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}
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if (!dirExists(commit_cache_dir)) {
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// Commit cache dir does not exist. If the commit we're on is in the main branch, we're
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// probably moving to a newer commit and so we should cleanup older cached binaries.
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const current_git_commit = try getCurrentGitCommit(allocator);
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if (gitBranchContainsCommit(allocator, "main", current_git_commit) catch false) {
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std.fs.deleteTreeAbsolute(base_cache_dir) catch {};
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}
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}
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const release_tag = if (is_debug) "debug" else "release-fast";
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const target_cache_dir = try std.fs.path.join(allocator, &.{ commit_cache_dir, zig_triple, release_tag });
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defer allocator.free(target_cache_dir);
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if (dirExists(target_cache_dir)) {
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return; // nothing to do, already have the binary
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}
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downloadBinary(allocator, commit_cache_dir, release_tag, target_cache_dir, zig_triple, is_windows, version) catch |err| {
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// A download failed, or extraction failed, so wipe out the directory to ensure we correctly
|
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// try again next time.
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std.fs.deleteTreeAbsolute(base_cache_dir) catch {};
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std.log.err("mach/gpu-dawn: prebuilt binary download failed: {s}", .{@errorName(err)});
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std.process.exit(1);
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};
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}
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fn downloadBinary(
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allocator: std.mem.Allocator,
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commit_cache_dir: []const u8,
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release_tag: []const u8,
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target_cache_dir: []const u8,
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zig_triple: []const u8,
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is_windows: bool,
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version: []const u8,
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) !void {
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ensureCanDownloadFiles(allocator);
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const download_dir = try std.fs.path.join(allocator, &.{ target_cache_dir, "download" });
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defer allocator.free(download_dir);
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try std.fs.cwd().makePath(download_dir);
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|
|
// Replace "..." with "---" because GitHub releases has very weird restrictions on file names.
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// https://twitter.com/slimsag/status/1498025997987315713
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const github_triple = try std.mem.replaceOwned(u8, allocator, zig_triple, "...", "---");
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defer allocator.free(github_triple);
|
|
|
|
// Compose the download URL, e.g.:
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// https://github.com/hexops/mach-gpu-dawn/releases/download/release-6b59025/libdawn_x86_64-macos-none_debug.a.gz
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const github_base_url = try getGitHubBaseURLOwned(allocator);
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defer allocator.free(github_base_url);
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const lib_prefix = if (is_windows) "dawn_" else "libdawn_";
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const lib_ext = if (is_windows) ".lib" else ".a";
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const lib_file_name = if (is_windows) "dawn.lib" else "libdawn.a";
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const download_url = try std.mem.concat(allocator, u8, &.{
|
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github_base_url,
|
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"/hexops/mach-gpu-dawn/releases/download/",
|
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version,
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|
"/",
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|
lib_prefix,
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|
github_triple,
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|
"_",
|
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release_tag,
|
|
lib_ext,
|
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".gz",
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|
});
|
|
defer allocator.free(download_url);
|
|
|
|
// Download and decompress libdawn
|
|
const gz_target_file = try std.fs.path.join(allocator, &.{ download_dir, "compressed.gz" });
|
|
defer allocator.free(gz_target_file);
|
|
try downloadFile(allocator, gz_target_file, download_url);
|
|
const target_file = try std.fs.path.join(allocator, &.{ target_cache_dir, lib_file_name });
|
|
defer allocator.free(target_file);
|
|
try gzipDecompress(allocator, gz_target_file, target_file);
|
|
|
|
// If we don't yet have the headers (these are shared across architectures), download them.
|
|
const include_dir = try std.fs.path.join(allocator, &.{ commit_cache_dir, "include" });
|
|
defer allocator.free(include_dir);
|
|
if (!dirExists(include_dir)) {
|
|
// Compose the headers download URL, e.g.:
|
|
// https://github.com/hexops/mach-gpu-dawn/releases/download/release-6b59025/headers.json.gz
|
|
const headers_download_url = try std.mem.concat(allocator, u8, &.{
|
|
github_base_url,
|
|
"/hexops/mach-gpu-dawn/releases/download/",
|
|
version,
|
|
"/headers.json.gz",
|
|
});
|
|
defer allocator.free(headers_download_url);
|
|
|
|
// Download and decompress headers.json.gz
|
|
const headers_gz_target_file = try std.fs.path.join(allocator, &.{ download_dir, "headers.json.gz" });
|
|
defer allocator.free(headers_gz_target_file);
|
|
try downloadFile(allocator, headers_gz_target_file, headers_download_url);
|
|
const headers_target_file = try std.fs.path.join(allocator, &.{ target_cache_dir, "headers.json" });
|
|
defer allocator.free(headers_target_file);
|
|
try gzipDecompress(allocator, headers_gz_target_file, headers_target_file);
|
|
|
|
// Extract headers JSON archive.
|
|
try extractHeaders(allocator, headers_target_file, commit_cache_dir);
|
|
}
|
|
|
|
try std.fs.deleteTreeAbsolute(download_dir);
|
|
}
|
|
|
|
fn extractHeaders(allocator: std.mem.Allocator, json_file: []const u8, out_dir: []const u8) !void {
|
|
const contents = try std.fs.cwd().readFileAlloc(allocator, json_file, std.math.maxInt(usize));
|
|
defer allocator.free(contents);
|
|
|
|
var parser = std.json.Parser.init(allocator, false);
|
|
defer parser.deinit();
|
|
var tree = try parser.parse(contents);
|
|
defer tree.deinit();
|
|
|
|
var iter = tree.root.Object.iterator();
|
|
while (iter.next()) |f| {
|
|
const out_path = try std.fs.path.join(allocator, &.{ out_dir, f.key_ptr.* });
|
|
defer allocator.free(out_path);
|
|
try std.fs.cwd().makePath(std.fs.path.dirname(out_path).?);
|
|
|
|
var new_file = try std.fs.createFileAbsolute(out_path, .{});
|
|
defer new_file.close();
|
|
try new_file.writeAll(f.value_ptr.*.String);
|
|
}
|
|
}
|
|
|
|
fn dirExists(path: []const u8) bool {
|
|
var dir = std.fs.openDirAbsolute(path, .{}) catch return false;
|
|
dir.close();
|
|
return true;
|
|
}
|
|
|
|
fn gzipDecompress(allocator: std.mem.Allocator, src_absolute_path: []const u8, dst_absolute_path: []const u8) !void {
|
|
var file = try std.fs.openFileAbsolute(src_absolute_path, .{ .mode = .read_only });
|
|
defer file.close();
|
|
|
|
var buf_stream = std.io.bufferedReader(file.reader());
|
|
var gzip_stream = try std.compress.gzip.gzipStream(allocator, buf_stream.reader());
|
|
defer gzip_stream.deinit();
|
|
|
|
// Read and decompress the whole file
|
|
const buf = try gzip_stream.reader().readAllAlloc(allocator, std.math.maxInt(usize));
|
|
defer allocator.free(buf);
|
|
|
|
var new_file = try std.fs.createFileAbsolute(dst_absolute_path, .{});
|
|
defer new_file.close();
|
|
|
|
try new_file.writeAll(buf);
|
|
}
|
|
|
|
fn gitBranchContainsCommit(allocator: std.mem.Allocator, branch: []const u8, commit: []const u8) !bool {
|
|
const result = try std.ChildProcess.exec(.{
|
|
.allocator = allocator,
|
|
.argv = &.{ "git", "branch", branch, "--contains", commit },
|
|
.cwd = sdkPath("/"),
|
|
});
|
|
defer {
|
|
allocator.free(result.stdout);
|
|
allocator.free(result.stderr);
|
|
}
|
|
return result.term.Exited == 0;
|
|
}
|
|
|
|
fn getCurrentGitCommit(allocator: std.mem.Allocator) ![]const u8 {
|
|
const result = try std.ChildProcess.exec(.{
|
|
.allocator = allocator,
|
|
.argv = &.{ "git", "rev-parse", "HEAD" },
|
|
.cwd = sdkPath("/"),
|
|
});
|
|
defer allocator.free(result.stderr);
|
|
if (result.stdout.len > 0) return result.stdout[0 .. result.stdout.len - 1]; // trim newline
|
|
return result.stdout;
|
|
}
|
|
|
|
fn gitClone(allocator: std.mem.Allocator, repository: []const u8, dir: []const u8) !bool {
|
|
const result = try std.ChildProcess.exec(.{
|
|
.allocator = allocator,
|
|
.argv = &.{ "git", "clone", repository, dir },
|
|
.cwd = sdkPath("/"),
|
|
});
|
|
defer {
|
|
allocator.free(result.stdout);
|
|
allocator.free(result.stderr);
|
|
}
|
|
return result.term.Exited == 0;
|
|
}
|
|
|
|
fn downloadFile(allocator: std.mem.Allocator, target_file: []const u8, url: []const u8) !void {
|
|
std.debug.print("downloading {s}..\n", .{url});
|
|
|
|
// Some Windows users experience `SSL certificate problem: unable to get local issuer certificate`
|
|
// so we give them the option to disable SSL if they desire / don't want to debug the issue.
|
|
var child = if (isEnvVarTruthy(allocator, "CURL_INSECURE"))
|
|
std.ChildProcess.init(&.{ "curl", "--insecure", "-L", "-o", target_file, url }, allocator)
|
|
else
|
|
std.ChildProcess.init(&.{ "curl", "-L", "-o", target_file, url }, allocator);
|
|
child.cwd = sdkPath("/");
|
|
child.stderr = std.io.getStdErr();
|
|
child.stdout = std.io.getStdOut();
|
|
_ = try child.spawnAndWait();
|
|
}
|
|
|
|
fn ensureCanDownloadFiles(allocator: std.mem.Allocator) void {
|
|
const result = std.ChildProcess.exec(.{
|
|
.allocator = allocator,
|
|
.argv = &.{ "curl", "--version" },
|
|
.cwd = sdkPath("/"),
|
|
}) catch { // e.g. FileNotFound
|
|
std.log.err("mach: error: 'curl --version' failed. Is curl not installed?", .{});
|
|
std.process.exit(1);
|
|
};
|
|
defer {
|
|
allocator.free(result.stderr);
|
|
allocator.free(result.stdout);
|
|
}
|
|
if (result.term.Exited != 0) {
|
|
std.log.err("mach: error: 'curl --version' failed. Is curl not installed?", .{});
|
|
std.process.exit(1);
|
|
}
|
|
}
|
|
|
|
fn isLinuxDesktopLike(target: std.Target) bool {
|
|
const tag = target.os.tag;
|
|
return !tag.isDarwin() and tag != .windows and tag != .fuchsia and tag != .emscripten and !target.isAndroid();
|
|
}
|
|
|
|
fn buildLibMachDawnNative(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dawn-native-mach", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
|
|
// TODO(build-system): pass system SDK options through
|
|
try deps.glfw.link(b, lib, .{ .system_sdk = .{ .set_sysroot = false } });
|
|
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try options.appendFlags(&cpp_flags, options.debug, true);
|
|
try appendDawnEnableBackendTypeFlags(&cpp_flags, options);
|
|
try cpp_flags.appendSlice(&.{
|
|
include(deps.glfw_include_dir),
|
|
include("libs/dawn/out/Debug/gen/include"),
|
|
include("libs/dawn/out/Debug/gen/src"),
|
|
include("libs/dawn/include"),
|
|
include("libs/dawn/src"),
|
|
});
|
|
if (step.target_info.target.os.tag == .windows) {
|
|
try cpp_flags.appendSlice(&.{
|
|
"-D_DEBUG",
|
|
"-D_MT",
|
|
"-D_DLL",
|
|
});
|
|
}
|
|
return lib;
|
|
}
|
|
|
|
// Builds common sources; derived from src/common/BUILD.gn
|
|
fn buildLibDawnCommon(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dawn-common", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(&.{
|
|
include("libs/dawn/src"),
|
|
include("libs/dawn/out/Debug/gen/include"),
|
|
include("libs/dawn/out/Debug/gen/src"),
|
|
});
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/dawn/common/",
|
|
"libs/dawn/out/Debug/gen/src/dawn/common/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{
|
|
"test",
|
|
"benchmark",
|
|
"mock",
|
|
"WindowsUtils.cpp",
|
|
},
|
|
});
|
|
|
|
var cpp_sources = std.ArrayList([]const u8).init(b.allocator);
|
|
if (step.target_info.target.os.tag == .macos) {
|
|
// TODO(build-system): pass system SDK options through
|
|
deps.system_sdk.include(b, lib, .{});
|
|
lib.linkFramework("Foundation");
|
|
const abs_path = sdkPath("/libs/dawn/src/dawn/common/SystemUtils_mac.mm");
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
if (step.target_info.target.os.tag == .windows) {
|
|
const abs_path = sdkPath("/libs/dawn/src/dawn/common/WindowsUtils.cpp");
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try cpp_flags.appendSlice(flags.items);
|
|
try options.appendFlags(&cpp_flags, options.debug, true);
|
|
lib.addCSourceFiles(cpp_sources.items, cpp_flags.items);
|
|
return lib;
|
|
}
|
|
|
|
// Build dawn platform sources; derived from src/dawn/platform/BUILD.gn
|
|
fn buildLibDawnPlatform(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dawn-platform", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try options.appendFlags(&cpp_flags, options.debug, true);
|
|
try cpp_flags.appendSlice(&.{
|
|
include("libs/dawn/src"),
|
|
include("libs/dawn/include"),
|
|
|
|
include("libs/dawn/out/Debug/gen/include"),
|
|
});
|
|
|
|
var cpp_sources = std.ArrayList([]const u8).init(b.allocator);
|
|
inline for ([_][]const u8{
|
|
"src/dawn/platform/DawnPlatform.cpp",
|
|
"src/dawn/platform/WorkerThread.cpp",
|
|
"src/dawn/platform/tracing/EventTracer.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
|
|
lib.addCSourceFiles(cpp_sources.items, cpp_flags.items);
|
|
return lib;
|
|
}
|
|
|
|
fn appendDawnEnableBackendTypeFlags(flags: *std.ArrayList([]const u8), options: Options) !void {
|
|
const d3d12 = "-DDAWN_ENABLE_BACKEND_D3D12";
|
|
const metal = "-DDAWN_ENABLE_BACKEND_METAL";
|
|
const vulkan = "-DDAWN_ENABLE_BACKEND_VULKAN";
|
|
const opengl = "-DDAWN_ENABLE_BACKEND_OPENGL";
|
|
const desktop_gl = "-DDAWN_ENABLE_BACKEND_DESKTOP_GL";
|
|
const opengl_es = "-DDAWN_ENABLE_BACKEND_OPENGLES";
|
|
const backend_null = "-DDAWN_ENABLE_BACKEND_NULL";
|
|
|
|
try flags.append(backend_null);
|
|
if (options.d3d12.?) try flags.append(d3d12);
|
|
if (options.metal.?) try flags.append(metal);
|
|
if (options.vulkan.?) try flags.append(vulkan);
|
|
if (options.desktop_gl.?) try flags.appendSlice(&.{ opengl, desktop_gl });
|
|
if (options.opengl_es.?) try flags.appendSlice(&.{ opengl, opengl_es });
|
|
}
|
|
|
|
const dawn_d3d12_flags = &[_][]const u8{
|
|
"-DDAWN_NO_WINDOWS_UI",
|
|
"-D__EMULATE_UUID=1",
|
|
"-Wno-nonportable-include-path",
|
|
"-Wno-extern-c-compat",
|
|
"-Wno-invalid-noreturn",
|
|
"-Wno-pragma-pack",
|
|
"-Wno-microsoft-template-shadow",
|
|
"-Wno-unused-command-line-argument",
|
|
"-Wno-microsoft-exception-spec",
|
|
"-Wno-implicit-exception-spec-mismatch",
|
|
"-Wno-unknown-attributes",
|
|
"-Wno-c++20-extensions",
|
|
"-D_CRT_SECURE_NO_WARNINGS",
|
|
"-DWIN32_LEAN_AND_MEAN",
|
|
"-DD3D10_ARBITRARY_HEADER_ORDERING",
|
|
"-DNOMINMAX",
|
|
};
|
|
|
|
// Builds dawn native sources; derived from src/dawn/native/BUILD.gn
|
|
fn buildLibDawnNative(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dawn-native", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
deps.system_sdk.include(b, lib, .{});
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try appendDawnEnableBackendTypeFlags(&flags, options);
|
|
try flags.appendSlice(&.{
|
|
include("libs/dawn"),
|
|
include("libs/dawn/src"),
|
|
include("libs/dawn/include"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-tools/src/include"),
|
|
include("libs/dawn/third_party/abseil-cpp"),
|
|
include("libs/dawn/third_party/khronos"),
|
|
|
|
// TODO(build-system): make these optional
|
|
"-DTINT_BUILD_SPV_READER=1",
|
|
"-DTINT_BUILD_SPV_WRITER=1",
|
|
"-DTINT_BUILD_WGSL_READER=1",
|
|
"-DTINT_BUILD_WGSL_WRITER=1",
|
|
"-DTINT_BUILD_MSL_WRITER=1",
|
|
"-DTINT_BUILD_HLSL_WRITER=1",
|
|
"-DTINT_BUILD_GLSL_WRITER=1",
|
|
|
|
include("libs/dawn/"),
|
|
include("libs/dawn/include/tint"),
|
|
include("libs/dawn/third_party/vulkan-deps/vulkan-tools/src/"),
|
|
|
|
include("libs/dawn/out/Debug/gen/include"),
|
|
include("libs/dawn/out/Debug/gen/src"),
|
|
});
|
|
if (options.d3d12.?) try flags.appendSlice(dawn_d3d12_flags);
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/out/Debug/gen/src/dawn/",
|
|
"libs/dawn/src/dawn/native/",
|
|
"libs/dawn/src/dawn/native/utils/",
|
|
"libs/dawn/src/dawn/native/stream/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{
|
|
"test",
|
|
"benchmark",
|
|
"mock",
|
|
"SpirvValidation.cpp",
|
|
"XlibXcbFunctions.cpp",
|
|
"dawn_proc.c",
|
|
},
|
|
});
|
|
|
|
// dawn_native_gen
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/out/Debug/gen/src/dawn/native/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark", "mock", "webgpu_dawn_native_proc.cpp" },
|
|
});
|
|
|
|
// TODO(build-system): could allow enable_vulkan_validation_layers here. See src/dawn/native/BUILD.gn
|
|
// TODO(build-system): allow use_angle here. See src/dawn/native/BUILD.gn
|
|
// TODO(build-system): could allow use_swiftshader here. See src/dawn/native/BUILD.gn
|
|
|
|
var cpp_sources = std.ArrayList([]const u8).init(b.allocator);
|
|
if (options.d3d12.?) {
|
|
lib.linkSystemLibraryName("dxgi");
|
|
lib.linkSystemLibraryName("dxguid");
|
|
|
|
inline for ([_][]const u8{
|
|
"src/dawn/mingw_helpers.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/dawn/native/d3d12/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark", "mock" },
|
|
});
|
|
}
|
|
if (options.metal.?) {
|
|
lib.linkFramework("Metal");
|
|
lib.linkFramework("CoreGraphics");
|
|
lib.linkFramework("Foundation");
|
|
lib.linkFramework("IOKit");
|
|
lib.linkFramework("IOSurface");
|
|
lib.linkFramework("QuartzCore");
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.objc = true,
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/dawn/native/metal/",
|
|
"libs/dawn/src/dawn/native/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark", "mock" },
|
|
});
|
|
}
|
|
|
|
if (options.linux_window_manager != null and options.linux_window_manager.? == .X11) {
|
|
lib.linkSystemLibraryName("X11");
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/XlibXcbFunctions.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/null/DeviceNull.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
|
|
if (options.desktop_gl.? or options.vulkan.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/SpirvValidation.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
|
|
if (options.desktop_gl.?) {
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/out/Debug/gen/src/dawn/native/opengl/",
|
|
"libs/dawn/src/dawn/native/opengl/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark", "mock" },
|
|
});
|
|
}
|
|
|
|
if (options.vulkan.?) {
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/dawn/native/vulkan/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark", "mock" },
|
|
});
|
|
|
|
if (isLinuxDesktopLike(step.target_info.target)) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/vulkan/external_memory/MemoryServiceOpaqueFD.cpp",
|
|
"src/dawn/native/vulkan/external_semaphore/SemaphoreServiceFD.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
} else if (step.target_info.target.os.tag == .fuchsia) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/vulkan/external_memory/MemoryServiceZirconHandle.cpp",
|
|
"src/dawn/native/vulkan/external_semaphore/SemaphoreServiceZirconHandle.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
} else {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/vulkan/external_memory/MemoryServiceNull.cpp",
|
|
"src/dawn/native/vulkan/external_semaphore/SemaphoreServiceNull.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO(build-system): fuchsia: add is_fuchsia here from upstream source file
|
|
|
|
if (options.vulkan.?) {
|
|
// TODO(build-system): vulkan
|
|
// if (enable_vulkan_validation_layers) {
|
|
// defines += [
|
|
// "DAWN_ENABLE_VULKAN_VALIDATION_LAYERS",
|
|
// "DAWN_VK_DATA_DIR=\"$vulkan_data_subdir\"",
|
|
// ]
|
|
// }
|
|
// if (enable_vulkan_loader) {
|
|
// data_deps += [ "${dawn_vulkan_loader_dir}:libvulkan" ]
|
|
// defines += [ "DAWN_ENABLE_VULKAN_LOADER" ]
|
|
// }
|
|
}
|
|
// TODO(build-system): swiftshader
|
|
// if (use_swiftshader) {
|
|
// data_deps += [
|
|
// "${dawn_swiftshader_dir}/src/Vulkan:icd_file",
|
|
// "${dawn_swiftshader_dir}/src/Vulkan:swiftshader_libvulkan",
|
|
// ]
|
|
// defines += [
|
|
// "DAWN_ENABLE_SWIFTSHADER",
|
|
// "DAWN_SWIFTSHADER_VK_ICD_JSON=\"${swiftshader_icd_file_name}\"",
|
|
// ]
|
|
// }
|
|
// }
|
|
|
|
if (options.opengl_es.?) {
|
|
// TODO(build-system): gles
|
|
// if (use_angle) {
|
|
// data_deps += [
|
|
// "${dawn_angle_dir}:libEGL",
|
|
// "${dawn_angle_dir}:libGLESv2",
|
|
// ]
|
|
// }
|
|
// }
|
|
}
|
|
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/null/NullBackend.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
|
|
if (options.d3d12.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/d3d12/D3D12Backend.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
if (options.desktop_gl.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/opengl/OpenGLBackend.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
if (options.vulkan.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/native/vulkan/VulkanBackend.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
// TODO(build-system): vulkan
|
|
// if (enable_vulkan_validation_layers) {
|
|
// data_deps =
|
|
// [ "${dawn_vulkan_validation_layers_dir}:vulkan_validation_layers" ]
|
|
// if (!is_android) {
|
|
// data_deps +=
|
|
// [ "${dawn_vulkan_validation_layers_dir}:vulkan_gen_json_files" ]
|
|
// }
|
|
// }
|
|
}
|
|
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try cpp_flags.appendSlice(flags.items);
|
|
try options.appendFlags(&cpp_flags, options.debug, true);
|
|
lib.addCSourceFiles(cpp_sources.items, cpp_flags.items);
|
|
return lib;
|
|
}
|
|
|
|
// Builds tint sources; derived from src/tint/BUILD.gn
|
|
fn buildLibTint(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("tint", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(&.{
|
|
// TODO(build-system): make these optional
|
|
"-DTINT_BUILD_SPV_READER=1",
|
|
"-DTINT_BUILD_SPV_WRITER=1",
|
|
"-DTINT_BUILD_WGSL_READER=1",
|
|
"-DTINT_BUILD_WGSL_WRITER=1",
|
|
"-DTINT_BUILD_MSL_WRITER=1",
|
|
"-DTINT_BUILD_HLSL_WRITER=1",
|
|
"-DTINT_BUILD_GLSL_WRITER=1",
|
|
|
|
include("libs/dawn/"),
|
|
include("libs/dawn/include/tint"),
|
|
|
|
// Required for TINT_BUILD_SPV_READER=1 and TINT_BUILD_SPV_WRITER=1, if specified
|
|
include("libs/dawn/third_party/vulkan-deps"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-tools/src"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-tools/src/include"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-headers/src/include"),
|
|
include("libs/dawn/out/Debug/gen/third_party/vulkan-deps/spirv-tools/src"),
|
|
include("libs/dawn/out/Debug/gen/third_party/vulkan-deps/spirv-tools/src/include"),
|
|
include("libs/dawn/include"),
|
|
});
|
|
|
|
// libtint_core_all_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint",
|
|
"libs/dawn/src/tint/diagnostic/",
|
|
"libs/dawn/src/tint/inspector/",
|
|
"libs/dawn/src/tint/reader/",
|
|
"libs/dawn/src/tint/resolver/",
|
|
"libs/dawn/src/tint/utils/",
|
|
"libs/dawn/src/tint/text/",
|
|
"libs/dawn/src/tint/transform/",
|
|
"libs/dawn/src/tint/transform/utils",
|
|
"libs/dawn/src/tint/writer/",
|
|
"libs/dawn/src/tint/ast/",
|
|
"libs/dawn/src/tint/val/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench", "printer_windows", "printer_linux", "printer_other", "glsl.cc" },
|
|
});
|
|
|
|
var cpp_sources = std.ArrayList([]const u8).init(b.allocator);
|
|
switch (step.target_info.target.os.tag) {
|
|
.windows => try cpp_sources.append(sdkPath("/libs/dawn/src/tint/diagnostic/printer_windows.cc")),
|
|
.linux => try cpp_sources.append(sdkPath("/libs/dawn/src/tint/diagnostic/printer_linux.cc")),
|
|
else => try cpp_sources.append(sdkPath("/libs/dawn/src/tint/diagnostic/printer_other.cc")),
|
|
}
|
|
|
|
// libtint_sem_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/sem/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark" },
|
|
});
|
|
|
|
// libtint_spv_reader_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/reader/spirv/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark" },
|
|
});
|
|
|
|
// libtint_spv_writer_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/writer/spirv/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench" },
|
|
});
|
|
|
|
// TODO(build-system): make optional
|
|
// libtint_wgsl_reader_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/reader/wgsl/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench" },
|
|
});
|
|
|
|
// TODO(build-system): make optional
|
|
// libtint_wgsl_writer_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/writer/wgsl/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench" },
|
|
});
|
|
|
|
// TODO(build-system): make optional
|
|
// libtint_msl_writer_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/writer/msl/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench" },
|
|
});
|
|
|
|
// TODO(build-system): make optional
|
|
// libtint_hlsl_writer_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/writer/hlsl/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench" },
|
|
});
|
|
|
|
// TODO(build-system): make optional
|
|
// libtint_glsl_writer_src
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/src/tint/writer/glsl/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "bench" },
|
|
});
|
|
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try cpp_flags.appendSlice(flags.items);
|
|
try options.appendFlags(&cpp_flags, options.debug, true);
|
|
lib.addCSourceFiles(cpp_sources.items, cpp_flags.items);
|
|
return lib;
|
|
}
|
|
|
|
// Builds third_party/vulkan-deps/spirv-tools sources; derived from third_party/vulkan-deps/spirv-tools/src/BUILD.gn
|
|
fn buildLibSPIRVTools(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("spirv-tools", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(&.{
|
|
include("libs/dawn"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-tools/src"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-tools/src/include"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-headers/src/include"),
|
|
include("libs/dawn/out/Debug/gen/third_party/vulkan-deps/spirv-tools/src"),
|
|
include("libs/dawn/out/Debug/gen/third_party/vulkan-deps/spirv-tools/src/include"),
|
|
include("libs/dawn/third_party/vulkan-deps/spirv-headers/src/include/spirv/unified1"),
|
|
});
|
|
|
|
// spvtools
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/third_party/vulkan-deps/spirv-tools/src/source/",
|
|
"libs/dawn/third_party/vulkan-deps/spirv-tools/src/source/util/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark" },
|
|
});
|
|
|
|
// spvtools_val
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/third_party/vulkan-deps/spirv-tools/src/source/val/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark" },
|
|
});
|
|
|
|
// spvtools_opt
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/third_party/vulkan-deps/spirv-tools/src/source/opt/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark" },
|
|
});
|
|
|
|
// spvtools_link
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/third_party/vulkan-deps/spirv-tools/src/source/link/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark" },
|
|
});
|
|
return lib;
|
|
}
|
|
|
|
// Builds third_party/abseil sources; derived from:
|
|
//
|
|
// ```
|
|
// $ find third_party/abseil-cpp/absl | grep '\.cc' | grep -v 'test' | grep -v 'benchmark' | grep -v gaussian_distribution_gentables | grep -v print_hash_of | grep -v chi_square
|
|
// ```
|
|
//
|
|
fn buildLibAbseilCpp(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("abseil-cpp-common", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
deps.system_sdk.include(b, lib, .{});
|
|
|
|
const target = step.target_info.target;
|
|
if (target.os.tag == .macos) lib.linkFramework("CoreFoundation");
|
|
if (target.os.tag == .windows) lib.linkSystemLibraryName("bcrypt");
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(&.{
|
|
include("libs/dawn"),
|
|
include("libs/dawn/third_party/abseil-cpp"),
|
|
});
|
|
if (target.os.tag == .windows) try flags.appendSlice(&.{
|
|
"-DABSL_FORCE_THREAD_IDENTITY_MODE=2",
|
|
"-DWIN32_LEAN_AND_MEAN",
|
|
"-DD3D10_ARBITRARY_HEADER_ORDERING",
|
|
"-D_CRT_SECURE_NO_WARNINGS",
|
|
"-DNOMINMAX",
|
|
include("src/dawn/zig_mingw_pthread"),
|
|
});
|
|
|
|
// absl
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/third_party/abseil-cpp/absl/strings/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/strings/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/strings/internal/str_format/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/types/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/flags/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/flags/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/synchronization/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/synchronization/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/hash/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/debugging/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/debugging/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/status/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/time/internal/cctz/src/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/time/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/container/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/numeric/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/random/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/random/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/base/internal/",
|
|
"libs/dawn/third_party/abseil-cpp/absl/base/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "_test", "_testing", "benchmark", "print_hash_of.cc", "gaussian_distribution_gentables.cc" },
|
|
});
|
|
return lib;
|
|
}
|
|
|
|
// Buids dawn wire sources; derived from src/dawn/wire/BUILD.gn
|
|
fn buildLibDawnWire(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dawn-wire", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(&.{
|
|
include("libs/dawn"),
|
|
include("libs/dawn/src"),
|
|
include("libs/dawn/include"),
|
|
include("libs/dawn/out/Debug/gen/include"),
|
|
include("libs/dawn/out/Debug/gen/src"),
|
|
});
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.rel_dirs = &.{
|
|
"libs/dawn/out/Debug/gen/src/dawn/wire/",
|
|
"libs/dawn/out/Debug/gen/src/dawn/wire/client/",
|
|
"libs/dawn/out/Debug/gen/src/dawn/wire/server/",
|
|
"libs/dawn/src/dawn/wire/",
|
|
"libs/dawn/src/dawn/wire/client/",
|
|
"libs/dawn/src/dawn/wire/server/",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{ "test", "benchmark", "mock" },
|
|
});
|
|
return lib;
|
|
}
|
|
|
|
// Builds dawn utils sources; derived from src/dawn/utils/BUILD.gn
|
|
fn buildLibDawnUtils(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dawn-utils", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
try deps.glfw.link(b, lib, .{ .system_sdk = .{ .set_sysroot = false } });
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try appendDawnEnableBackendTypeFlags(&flags, options);
|
|
try flags.appendSlice(&.{
|
|
include(deps.glfw_include_dir),
|
|
include("libs/dawn/src"),
|
|
include("libs/dawn/include"),
|
|
include("libs/dawn/out/Debug/gen/include"),
|
|
});
|
|
|
|
var cpp_sources = std.ArrayList([]const u8).init(b.allocator);
|
|
inline for ([_][]const u8{
|
|
"src/dawn/utils/BackendBinding.cpp",
|
|
"src/dawn/utils/NullBinding.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
|
|
if (options.d3d12.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/utils/D3D12Binding.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
try flags.appendSlice(dawn_d3d12_flags);
|
|
}
|
|
if (options.metal.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/utils/MetalBinding.mm",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
|
|
if (options.desktop_gl.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/utils/OpenGLBinding.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
|
|
if (options.vulkan.?) {
|
|
inline for ([_][]const u8{
|
|
"src/dawn/utils/VulkanBinding.cpp",
|
|
}) |path| {
|
|
const abs_path = sdkPath("/libs/dawn/" ++ path);
|
|
try cpp_sources.append(abs_path);
|
|
}
|
|
}
|
|
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try cpp_flags.appendSlice(flags.items);
|
|
try options.appendFlags(&cpp_flags, options.debug, true);
|
|
lib.addCSourceFiles(cpp_sources.items, cpp_flags.items);
|
|
return lib;
|
|
}
|
|
|
|
// Buids dxcompiler sources; derived from libs/DirectXShaderCompiler/CMakeLists.txt
|
|
fn buildLibDxcompiler(b: *Builder, step: *std.build.LibExeObjStep, options: Options) !*std.build.LibExeObjStep {
|
|
const lib = if (!options.separate_libs) step else blk: {
|
|
const separate_lib = b.addStaticLibrary("dxcompiler", null);
|
|
separate_lib.setBuildMode(if (options.debug) .Debug else .ReleaseFast);
|
|
separate_lib.setTarget(step.target);
|
|
separate_lib.linkLibCpp();
|
|
if (options.install_libs)
|
|
separate_lib.install();
|
|
break :blk separate_lib;
|
|
};
|
|
deps.system_sdk.include(b, lib, .{});
|
|
|
|
lib.linkSystemLibraryName("oleaut32");
|
|
lib.linkSystemLibraryName("ole32");
|
|
lib.linkSystemLibraryName("dbghelp");
|
|
lib.linkSystemLibraryName("dxguid");
|
|
lib.linkLibCpp();
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(&.{
|
|
include("libs/"),
|
|
include("libs/DirectXShaderCompiler/include/llvm/llvm_assert"),
|
|
include("libs/DirectXShaderCompiler/include"),
|
|
include("libs/DirectXShaderCompiler/build/include"),
|
|
include("libs/DirectXShaderCompiler/build/lib/HLSL"),
|
|
include("libs/DirectXShaderCompiler/build/lib/DxilPIXPasses"),
|
|
include("libs/DirectXShaderCompiler/build/include"),
|
|
"-DUNREFERENCED_PARAMETER(x)=",
|
|
"-Wno-inconsistent-missing-override",
|
|
"-Wno-missing-exception-spec",
|
|
"-Wno-switch",
|
|
"-Wno-deprecated-declarations",
|
|
"-Wno-macro-redefined", // regex2.h and regcomp.c requires this for OUT redefinition
|
|
"-DMSFT_SUPPORTS_CHILD_PROCESSES=1",
|
|
"-DHAVE_LIBPSAPI=1",
|
|
"-DHAVE_LIBSHELL32=1",
|
|
"-DLLVM_ON_WIN32=1",
|
|
});
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.debug_symbols = false,
|
|
.rel_dirs = &.{
|
|
"libs/DirectXShaderCompiler/lib/Analysis/IPA",
|
|
"libs/DirectXShaderCompiler/lib/Analysis",
|
|
"libs/DirectXShaderCompiler/lib/AsmParser",
|
|
"libs/DirectXShaderCompiler/lib/Bitcode/Writer",
|
|
"libs/DirectXShaderCompiler/lib/DxcBindingTable",
|
|
"libs/DirectXShaderCompiler/lib/DxcSupport",
|
|
"libs/DirectXShaderCompiler/lib/DxilContainer",
|
|
"libs/DirectXShaderCompiler/lib/DxilPIXPasses",
|
|
"libs/DirectXShaderCompiler/lib/DxilRootSignature",
|
|
"libs/DirectXShaderCompiler/lib/DXIL",
|
|
"libs/DirectXShaderCompiler/lib/DxrFallback",
|
|
"libs/DirectXShaderCompiler/lib/HLSL",
|
|
"libs/DirectXShaderCompiler/lib/IRReader",
|
|
"libs/DirectXShaderCompiler/lib/IR",
|
|
"libs/DirectXShaderCompiler/lib/Linker",
|
|
"libs/DirectXShaderCompiler/lib/Miniz",
|
|
"libs/DirectXShaderCompiler/lib/Option",
|
|
"libs/DirectXShaderCompiler/lib/PassPrinters",
|
|
"libs/DirectXShaderCompiler/lib/Passes",
|
|
"libs/DirectXShaderCompiler/lib/ProfileData",
|
|
"libs/DirectXShaderCompiler/lib/Target",
|
|
"libs/DirectXShaderCompiler/lib/Transforms/InstCombine",
|
|
"libs/DirectXShaderCompiler/lib/Transforms/IPO",
|
|
"libs/DirectXShaderCompiler/lib/Transforms/Scalar",
|
|
"libs/DirectXShaderCompiler/lib/Transforms/Utils",
|
|
"libs/DirectXShaderCompiler/lib/Transforms/Vectorize",
|
|
},
|
|
.flags = flags.items,
|
|
});
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.debug_symbols = false,
|
|
.rel_dirs = &.{
|
|
"libs/DirectXShaderCompiler/lib/Support",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{
|
|
"DynamicLibrary.cpp", // ignore, HLSL_IGNORE_SOURCES
|
|
"PluginLoader.cpp", // ignore, HLSL_IGNORE_SOURCES
|
|
"Path.cpp", // ignore, LLVM_INCLUDE_TESTS
|
|
"DynamicLibrary.cpp", // ignore
|
|
},
|
|
});
|
|
|
|
try appendLangScannedSources(b, lib, options, .{
|
|
.debug_symbols = false,
|
|
.rel_dirs = &.{
|
|
"libs/DirectXShaderCompiler/lib/Bitcode/Reader",
|
|
},
|
|
.flags = flags.items,
|
|
.excluding_contains = &.{
|
|
"BitReader.cpp", // ignore
|
|
},
|
|
});
|
|
return lib;
|
|
}
|
|
|
|
fn appendLangScannedSources(
|
|
b: *Builder,
|
|
step: *std.build.LibExeObjStep,
|
|
options: Options,
|
|
args: struct {
|
|
debug_symbols: bool = false,
|
|
flags: []const []const u8,
|
|
rel_dirs: []const []const u8 = &.{},
|
|
objc: bool = false,
|
|
excluding: []const []const u8 = &.{},
|
|
excluding_contains: []const []const u8 = &.{},
|
|
},
|
|
) !void {
|
|
var cpp_flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try cpp_flags.appendSlice(args.flags);
|
|
try options.appendFlags(&cpp_flags, args.debug_symbols, true);
|
|
const cpp_extensions: []const []const u8 = if (args.objc) &.{".mm"} else &.{ ".cpp", ".cc" };
|
|
try appendScannedSources(b, step, .{
|
|
.flags = cpp_flags.items,
|
|
.rel_dirs = args.rel_dirs,
|
|
.extensions = cpp_extensions,
|
|
.excluding = args.excluding,
|
|
.excluding_contains = args.excluding_contains,
|
|
});
|
|
|
|
var flags = std.ArrayList([]const u8).init(b.allocator);
|
|
try flags.appendSlice(args.flags);
|
|
try options.appendFlags(&flags, args.debug_symbols, false);
|
|
const c_extensions: []const []const u8 = if (args.objc) &.{".m"} else &.{".c"};
|
|
try appendScannedSources(b, step, .{
|
|
.flags = flags.items,
|
|
.rel_dirs = args.rel_dirs,
|
|
.extensions = c_extensions,
|
|
.excluding = args.excluding,
|
|
.excluding_contains = args.excluding_contains,
|
|
});
|
|
}
|
|
|
|
fn appendScannedSources(b: *Builder, step: *std.build.LibExeObjStep, args: struct {
|
|
flags: []const []const u8,
|
|
rel_dirs: []const []const u8 = &.{},
|
|
extensions: []const []const u8,
|
|
excluding: []const []const u8 = &.{},
|
|
excluding_contains: []const []const u8 = &.{},
|
|
}) !void {
|
|
var sources = std.ArrayList([]const u8).init(b.allocator);
|
|
for (args.rel_dirs) |rel_dir| {
|
|
try scanSources(b, &sources, rel_dir, args.extensions, args.excluding, args.excluding_contains);
|
|
}
|
|
step.addCSourceFiles(sources.items, args.flags);
|
|
}
|
|
|
|
/// Scans rel_dir for sources ending with one of the provided extensions, excluding relative paths
|
|
/// listed in the excluded list.
|
|
/// Results are appended to the dst ArrayList.
|
|
fn scanSources(
|
|
b: *Builder,
|
|
dst: *std.ArrayList([]const u8),
|
|
rel_dir: []const u8,
|
|
extensions: []const []const u8,
|
|
excluding: []const []const u8,
|
|
excluding_contains: []const []const u8,
|
|
) !void {
|
|
const abs_dir = try std.fs.path.join(b.allocator, &.{ sdkPath("/"), rel_dir });
|
|
defer b.allocator.free(abs_dir);
|
|
var dir = try std.fs.openIterableDirAbsolute(abs_dir, .{});
|
|
defer dir.close();
|
|
var dir_it = dir.iterate();
|
|
while (try dir_it.next()) |entry| {
|
|
if (entry.kind != .File) continue;
|
|
var abs_path = try std.fs.path.join(b.allocator, &.{ abs_dir, entry.name });
|
|
abs_path = try std.fs.realpathAlloc(b.allocator, abs_path);
|
|
|
|
const allowed_extension = blk: {
|
|
const ours = std.fs.path.extension(entry.name);
|
|
for (extensions) |ext| {
|
|
if (std.mem.eql(u8, ours, ext)) break :blk true;
|
|
}
|
|
break :blk false;
|
|
};
|
|
if (!allowed_extension) continue;
|
|
|
|
const excluded = blk: {
|
|
for (excluding) |excluded| {
|
|
if (std.mem.eql(u8, entry.name, excluded)) break :blk true;
|
|
}
|
|
break :blk false;
|
|
};
|
|
if (excluded) continue;
|
|
|
|
const excluded_contains = blk: {
|
|
for (excluding_contains) |contains| {
|
|
if (std.mem.containsAtLeast(u8, entry.name, 1, contains)) break :blk true;
|
|
}
|
|
break :blk false;
|
|
};
|
|
if (excluded_contains) continue;
|
|
|
|
try dst.append(abs_path);
|
|
}
|
|
}
|
|
|
|
fn include(comptime rel: []const u8) []const u8 {
|
|
return comptime "-I" ++ sdkPath("/" ++ rel);
|
|
}
|
|
|
|
fn sdkPath(comptime suffix: []const u8) []const u8 {
|
|
if (suffix[0] != '/') @compileError("suffix must be an absolute path");
|
|
return comptime blk: {
|
|
const root_dir = std.fs.path.dirname(@src().file) orelse ".";
|
|
break :blk root_dir ++ suffix;
|
|
};
|
|
}
|
|
};
|
|
}
|