109 lines
3.1 KiB
Zig
109 lines
3.1 KiB
Zig
const std = @import("std");
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const zon = @import("build.zig.zon");
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pub fn build(b: *std.Build) !void {
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const llvm = b.option(bool, "llvm", "Use LLVM and LLD") orelse false;
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const media_dep = b.dependency("media", .{
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.target = target,
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});
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const vecmath_dep = b.dependency("vecmath", .{
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.target = target,
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});
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const vulkan_dep = b.dependency("vulkan_zig", .{
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.target = target,
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.optimize = optimize,
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.registry = b.path("vendor/vk.xml"),
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});
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const zglfw_dep = b.dependency("zglfw", .{
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.target = target,
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.optimize = optimize,
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.import_vulkan = true,
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});
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const media_mod = media_dep.module("media");
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const vecmath_mod = vecmath_dep.module("vecmath");
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const vulkan_mod = vulkan_dep.module("vulkan-zig");
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const zglfw_mod = zglfw_dep.module("root");
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zglfw_mod.addImport("vulkan", vulkan_mod);
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const zglfw_lib = zglfw_dep.artifact("glfw");
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const exe_mod = b.createModule(.{
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.root_source_file = b.path("src/main.zig"),
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.target = target,
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.optimize = optimize,
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});
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exe_mod.addImport("media", media_mod);
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exe_mod.addImport("vecmath", vecmath_mod);
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exe_mod.addImport("vulkan", vulkan_mod);
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exe_mod.addImport("zglfw", zglfw_mod);
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exe_mod.linkLibrary(zglfw_lib);
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try addShaders(b, exe_mod);
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const options = b.addOptions();
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options.addOption([]const u8, "version", zon.version);
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exe_mod.addOptions("config", options);
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const exe = b.addExecutable(.{
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.name = "voxel-game",
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.root_module = exe_mod,
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.use_llvm = llvm,
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.use_lld = llvm,
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});
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b.installArtifact(exe);
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const run_cmd = b.addRunArtifact(exe);
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run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| {
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run_cmd.addArgs(args);
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}
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const run_step = b.step("run", "Run the game");
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run_step.dependOn(&run_cmd.step);
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}
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fn addShaders(b: *std.Build, exe_mod: *std.Build.Module) !void {
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var dir = try b.build_root.handle.openDir(b.graph.io, "assets/shaders", .{ .iterate = true });
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defer dir.close(b.graph.io);
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var it = dir.iterateAssumeFirstIteration();
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while (try it.next(b.graph.io)) |entry| {
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if (entry.kind != .file) continue;
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const stem = std.fs.path.stem(entry.name);
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const extension = std.fs.path.extension(entry.name);
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if (!std.mem.eql(u8, extension, ".slang")) continue;
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const slangc = b.addSystemCommand(&.{
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"slangc",
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"-g",
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"-target",
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"spirv",
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"-fvk-use-scalar-layout",
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"-matrix-layout-column-major",
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});
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slangc.addArg("-o");
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const spv = slangc.addOutputFileArg(b.fmt("{s}.spv", .{stem}));
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slangc.addArg("-depfile");
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_ = slangc.addDepFileOutputArg(b.fmt("{s}.d", .{stem}));
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slangc.addFileArg(b.path(b.pathJoin(&.{ "assets/shaders", entry.name })));
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exe_mod.addAnonymousImport(b.fmt("shaders/{s}", .{stem}), .{ .root_source_file = spv });
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}
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}
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