You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
422 lines
17 KiB
422 lines
17 KiB
const std = @import("std");
|
|
const builtin = @import("builtin");
|
|
|
|
/// Minimum supported version of Zig
|
|
const min_ver = "0.13.0";
|
|
|
|
comptime {
|
|
const order = std.SemanticVersion.order;
|
|
const parse = std.SemanticVersion.parse;
|
|
if (order(builtin.zig_version, parse(min_ver) catch unreachable) == .lt)
|
|
@compileError("Raylib requires zig version " ++ min_ver);
|
|
}
|
|
|
|
fn setDesktopPlatform(raylib: *std.Build.Step.Compile, platform: PlatformBackend) void {
|
|
raylib.defineCMacro("PLATFORM_DESKTOP", null);
|
|
|
|
switch (platform) {
|
|
.glfw => raylib.defineCMacro("PLATFORM_DESKTOP_GLFW", null),
|
|
.rgfw => raylib.defineCMacro("PLATFORM_DESKTOP_RGFW", null),
|
|
.sdl => raylib.defineCMacro("PLATFORM_DESKTOP_SDL", null),
|
|
else => {},
|
|
}
|
|
}
|
|
|
|
fn createEmsdkStep(b: *std.Build, emsdk: *std.Build.Dependency) *std.Build.Step.Run {
|
|
if (builtin.os.tag == .windows) {
|
|
return b.addSystemCommand(&.{emsdk.path("emsdk.bat").getPath(b)});
|
|
} else {
|
|
return b.addSystemCommand(&.{emsdk.path("emsdk").getPath(b)});
|
|
}
|
|
}
|
|
|
|
fn emSdkSetupStep(b: *std.Build, emsdk: *std.Build.Dependency) !?*std.Build.Step.Run {
|
|
const dot_emsc_path = emsdk.path(".emscripten").getPath(b);
|
|
const dot_emsc_exists = !std.meta.isError(std.fs.accessAbsolute(dot_emsc_path, .{}));
|
|
|
|
if (!dot_emsc_exists) {
|
|
const emsdk_install = createEmsdkStep(b, emsdk);
|
|
emsdk_install.addArgs(&.{ "install", "latest" });
|
|
const emsdk_activate = createEmsdkStep(b, emsdk);
|
|
emsdk_activate.addArgs(&.{ "activate", "latest" });
|
|
emsdk_activate.step.dependOn(&emsdk_install.step);
|
|
return emsdk_activate;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/// A list of all flags from `src/config.h` that one may override
|
|
const config_h_flags = outer: {
|
|
// Set this value higher if compile errors happen as `src/config.h` gets larger
|
|
@setEvalBranchQuota(1 << 20);
|
|
|
|
const config_h = @embedFile("src/config.h");
|
|
var flags: [std.mem.count(u8, config_h, "\n") + 1][]const u8 = undefined;
|
|
|
|
var i = 0;
|
|
var lines = std.mem.tokenizeScalar(u8, config_h, '\n');
|
|
while (lines.next()) |line| {
|
|
if (!std.mem.containsAtLeast(u8, line, 1, "SUPPORT")) continue;
|
|
if (std.mem.startsWith(u8, line, "//")) continue;
|
|
if (std.mem.startsWith(u8, line, "#if")) continue;
|
|
|
|
var flag = std.mem.trimLeft(u8, line, " \t"); // Trim whitespace
|
|
flag = flag["#define ".len - 1 ..]; // Remove #define
|
|
flag = std.mem.trimLeft(u8, flag, " \t"); // Trim whitespace
|
|
flag = flag[0 .. std.mem.indexOf(u8, flag, " ") orelse continue]; // Flag is only one word, so capture till space
|
|
flag = "-D" ++ flag; // Prepend with -D
|
|
|
|
flags[i] = flag;
|
|
i += 1;
|
|
}
|
|
|
|
// Uncomment this to check what flags normally get passed
|
|
//@compileLog(flags[0..i].*);
|
|
break :outer flags[0..i].*;
|
|
};
|
|
|
|
fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
|
|
var raylib_flags_arr = std.ArrayList([]const u8).init(b.allocator);
|
|
defer raylib_flags_arr.deinit();
|
|
|
|
try raylib_flags_arr.appendSlice(&[_][]const u8{
|
|
"-std=gnu99",
|
|
"-D_GNU_SOURCE",
|
|
"-DGL_SILENCE_DEPRECATION=199309L",
|
|
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674
|
|
});
|
|
|
|
if (options.shared) {
|
|
try raylib_flags_arr.appendSlice(&[_][]const u8{
|
|
"-fPIC",
|
|
"-DBUILD_LIBTYPE_SHARED",
|
|
});
|
|
}
|
|
|
|
if (options.config.len > 0) {
|
|
// Sets a flag indiciating the use of a custom `config.h`
|
|
try raylib_flags_arr.append("-DEXTERNAL_CONFIG_FLAGS");
|
|
|
|
// Splits a space-separated list of config flags into multiple flags
|
|
//
|
|
// Note: This means certain flags like `-x c++` won't be processed properly.
|
|
// `-xc++` or similar should be used when possible
|
|
var config_iter = std.mem.tokenizeScalar(u8, options.config, ' ');
|
|
|
|
// Apply config flags supplied by the user
|
|
while (config_iter.next()) |config_flag|
|
|
try raylib_flags_arr.append(config_flag);
|
|
|
|
// Apply all relevant configs from `src/config.h` *except* the user-specified ones
|
|
//
|
|
// Note: Currently using a suboptimal `O(m*n)` time algorithm where:
|
|
// `m` corresponds roughly to the number of lines in `src/config.h`
|
|
// `n` corresponds to the number of user-specified flags
|
|
outer: for (config_h_flags) |flag| {
|
|
// If a user already specified the flag, skip it
|
|
config_iter.reset();
|
|
while (config_iter.next()) |config_flag| {
|
|
// For a user-specified flag to match, it must share the same prefix and have the
|
|
// same length or be followed by an equals sign
|
|
if (!std.mem.startsWith(u8, config_flag, flag)) continue;
|
|
if (config_flag.len == flag.len or config_flag[flag.len] == '=') continue :outer;
|
|
}
|
|
|
|
// Otherwise, append default value from config.h to compile flags
|
|
try raylib_flags_arr.append(flag);
|
|
}
|
|
}
|
|
|
|
const raylib = if (options.shared)
|
|
b.addSharedLibrary(.{
|
|
.name = "raylib",
|
|
.target = target,
|
|
.optimize = optimize,
|
|
})
|
|
else
|
|
b.addStaticLibrary(.{
|
|
.name = "raylib",
|
|
.target = target,
|
|
.optimize = optimize,
|
|
});
|
|
raylib.linkLibC();
|
|
|
|
// No GLFW required on PLATFORM_DRM
|
|
if (options.platform != .drm) {
|
|
raylib.addIncludePath(b.path("src/external/glfw/include"));
|
|
}
|
|
|
|
var c_source_files = try std.ArrayList([]const u8).initCapacity(b.allocator, 2);
|
|
c_source_files.appendSliceAssumeCapacity(&.{ "src/rcore.c", "src/utils.c" });
|
|
|
|
if (options.raudio) {
|
|
try c_source_files.append("src/raudio.c");
|
|
}
|
|
if (options.rmodels) {
|
|
try c_source_files.append("src/rmodels.c");
|
|
}
|
|
if (options.rshapes) {
|
|
try c_source_files.append("src/rshapes.c");
|
|
}
|
|
if (options.rtext) {
|
|
try c_source_files.append("src/rtext.c");
|
|
}
|
|
if (options.rtextures) {
|
|
try c_source_files.append("src/rtextures.c");
|
|
}
|
|
|
|
if (options.opengl_version != .auto) {
|
|
raylib.defineCMacro(options.opengl_version.toCMacroStr(), null);
|
|
}
|
|
|
|
switch (target.result.os.tag) {
|
|
.windows => {
|
|
try c_source_files.append("src/rglfw.c");
|
|
raylib.linkSystemLibrary("winmm");
|
|
raylib.linkSystemLibrary("gdi32");
|
|
raylib.linkSystemLibrary("opengl32");
|
|
|
|
setDesktopPlatform(raylib, options.platform);
|
|
},
|
|
.linux => {
|
|
if (options.platform != .drm) {
|
|
try c_source_files.append("src/rglfw.c");
|
|
|
|
if (options.linux_display_backend == .X11 or options.linux_display_backend == .Both) {
|
|
raylib.defineCMacro("_GLFW_X11", null);
|
|
raylib.linkSystemLibrary("GLX");
|
|
raylib.linkSystemLibrary("X11");
|
|
raylib.linkSystemLibrary("Xcursor");
|
|
raylib.linkSystemLibrary("Xext");
|
|
raylib.linkSystemLibrary("Xfixes");
|
|
raylib.linkSystemLibrary("Xi");
|
|
raylib.linkSystemLibrary("Xinerama");
|
|
raylib.linkSystemLibrary("Xrandr");
|
|
raylib.linkSystemLibrary("Xrender");
|
|
}
|
|
|
|
if (options.linux_display_backend == .Wayland or options.linux_display_backend == .Both) {
|
|
_ = b.findProgram(&.{"wayland-scanner"}, &.{}) catch {
|
|
std.log.err(
|
|
\\ `wayland-scanner` may not be installed on the system.
|
|
\\ You can switch to X11 in your `build.zig` by changing `Options.linux_display_backend`
|
|
, .{});
|
|
@panic("`wayland-scanner` not found");
|
|
};
|
|
raylib.defineCMacro("_GLFW_WAYLAND", null);
|
|
raylib.linkSystemLibrary("EGL");
|
|
raylib.linkSystemLibrary("wayland-client");
|
|
raylib.linkSystemLibrary("xkbcommon");
|
|
waylandGenerate(b, raylib, "wayland.xml", "wayland-client-protocol");
|
|
waylandGenerate(b, raylib, "xdg-shell.xml", "xdg-shell-client-protocol");
|
|
waylandGenerate(b, raylib, "xdg-decoration-unstable-v1.xml", "xdg-decoration-unstable-v1-client-protocol");
|
|
waylandGenerate(b, raylib, "viewporter.xml", "viewporter-client-protocol");
|
|
waylandGenerate(b, raylib, "relative-pointer-unstable-v1.xml", "relative-pointer-unstable-v1-client-protocol");
|
|
waylandGenerate(b, raylib, "pointer-constraints-unstable-v1.xml", "pointer-constraints-unstable-v1-client-protocol");
|
|
waylandGenerate(b, raylib, "fractional-scale-v1.xml", "fractional-scale-v1-client-protocol");
|
|
waylandGenerate(b, raylib, "xdg-activation-v1.xml", "xdg-activation-v1-client-protocol");
|
|
waylandGenerate(b, raylib, "idle-inhibit-unstable-v1.xml", "idle-inhibit-unstable-v1-client-protocol");
|
|
}
|
|
|
|
setDesktopPlatform(raylib, options.platform);
|
|
} else {
|
|
if (options.opengl_version == .auto) {
|
|
raylib.linkSystemLibrary("GLESv2");
|
|
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
|
|
}
|
|
|
|
raylib.linkSystemLibrary("EGL");
|
|
raylib.linkSystemLibrary("gbm");
|
|
raylib.linkSystemLibrary2("libdrm", .{ .use_pkg_config = .force });
|
|
|
|
raylib.defineCMacro("PLATFORM_DRM", null);
|
|
raylib.defineCMacro("EGL_NO_X11", null);
|
|
raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048");
|
|
}
|
|
},
|
|
.freebsd, .openbsd, .netbsd, .dragonfly => {
|
|
try c_source_files.append("rglfw.c");
|
|
raylib.linkSystemLibrary("GL");
|
|
raylib.linkSystemLibrary("rt");
|
|
raylib.linkSystemLibrary("dl");
|
|
raylib.linkSystemLibrary("m");
|
|
raylib.linkSystemLibrary("X11");
|
|
raylib.linkSystemLibrary("Xrandr");
|
|
raylib.linkSystemLibrary("Xinerama");
|
|
raylib.linkSystemLibrary("Xi");
|
|
raylib.linkSystemLibrary("Xxf86vm");
|
|
raylib.linkSystemLibrary("Xcursor");
|
|
|
|
setDesktopPlatform(raylib, options.platform);
|
|
},
|
|
.macos => {
|
|
// Include xcode_frameworks for cross compilation
|
|
if (b.lazyDependency("xcode_frameworks", .{})) |dep| {
|
|
raylib.addSystemFrameworkPath(dep.path("Frameworks"));
|
|
raylib.addSystemIncludePath(dep.path("include"));
|
|
raylib.addLibraryPath(dep.path("lib"));
|
|
}
|
|
|
|
// On macos rglfw.c include Objective-C files.
|
|
try raylib_flags_arr.append("-ObjC");
|
|
raylib.root_module.addCSourceFile(.{
|
|
.file = b.path("src/rglfw.c"),
|
|
.flags = raylib_flags_arr.items,
|
|
});
|
|
_ = raylib_flags_arr.pop();
|
|
raylib.linkFramework("Foundation");
|
|
raylib.linkFramework("CoreServices");
|
|
raylib.linkFramework("CoreGraphics");
|
|
raylib.linkFramework("AppKit");
|
|
raylib.linkFramework("IOKit");
|
|
|
|
setDesktopPlatform(raylib, options.platform);
|
|
},
|
|
.emscripten => {
|
|
// Include emscripten for cross compilation
|
|
if (b.lazyDependency("emsdk", .{})) |dep| {
|
|
if (try emSdkSetupStep(b, dep)) |emSdkStep| {
|
|
raylib.step.dependOn(&emSdkStep.step);
|
|
}
|
|
|
|
raylib.addIncludePath(dep.path("upstream/emscripten/cache/sysroot/include"));
|
|
}
|
|
|
|
raylib.defineCMacro("PLATFORM_WEB", null);
|
|
if (options.opengl_version == .auto) {
|
|
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
|
|
}
|
|
},
|
|
else => {
|
|
@panic("Unsupported OS");
|
|
},
|
|
}
|
|
|
|
raylib.root_module.addCSourceFiles(.{
|
|
.files = c_source_files.items,
|
|
.flags = raylib_flags_arr.items,
|
|
});
|
|
|
|
return raylib;
|
|
}
|
|
|
|
pub fn addRaygui(b: *std.Build, raylib: *std.Build.Step.Compile, raygui_dep: *std.Build.Dependency) void {
|
|
var gen_step = b.addWriteFiles();
|
|
raylib.step.dependOn(&gen_step.step);
|
|
|
|
const raygui_c_path = gen_step.add("raygui.c", "#define RAYGUI_IMPLEMENTATION\n#include \"raygui.h\"\n");
|
|
raylib.addCSourceFile(.{ .file = raygui_c_path });
|
|
raylib.addIncludePath(raygui_dep.path("src"));
|
|
|
|
raylib.installHeader(raygui_dep.path("src/raygui.h"), "raygui.h");
|
|
}
|
|
|
|
pub const Options = struct {
|
|
raudio: bool = true,
|
|
rmodels: bool = true,
|
|
rshapes: bool = true,
|
|
rtext: bool = true,
|
|
rtextures: bool = true,
|
|
platform: PlatformBackend = .glfw,
|
|
shared: bool = false,
|
|
linux_display_backend: LinuxDisplayBackend = .Both,
|
|
opengl_version: OpenglVersion = .auto,
|
|
/// config should be a list of space-separated cflags, eg, "-DSUPPORT_CUSTOM_FRAME_CONTROL"
|
|
config: []const u8 = &.{},
|
|
|
|
const defaults = Options{};
|
|
|
|
fn getOptions(b: *std.Build) Options {
|
|
return .{
|
|
.platform = b.option(PlatformBackend, "platform", "Choose the platform backedn for desktop target") orelse defaults.platform,
|
|
.raudio = b.option(bool, "raudio", "Compile with audio support") orelse defaults.raudio,
|
|
.rmodels = b.option(bool, "rmodels", "Compile with models support") orelse defaults.rmodels,
|
|
.rtext = b.option(bool, "rtext", "Compile with text support") orelse defaults.rtext,
|
|
.rtextures = b.option(bool, "rtextures", "Compile with textures support") orelse defaults.rtextures,
|
|
.rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes,
|
|
.shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared,
|
|
.linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend,
|
|
.opengl_version = b.option(OpenglVersion, "opengl_version", "OpenGL version to use") orelse defaults.opengl_version,
|
|
.config = b.option([]const u8, "config", "Compile with custom define macros overriding config.h") orelse &.{},
|
|
};
|
|
}
|
|
};
|
|
|
|
pub const OpenglVersion = enum {
|
|
auto,
|
|
gl_1_1,
|
|
gl_2_1,
|
|
gl_3_3,
|
|
gl_4_3,
|
|
gles_2,
|
|
gles_3,
|
|
|
|
pub fn toCMacroStr(self: @This()) []const u8 {
|
|
switch (self) {
|
|
.auto => @panic("OpenglVersion.auto cannot be turned into a C macro string"),
|
|
.gl_1_1 => return "GRAPHICS_API_OPENGL_11",
|
|
.gl_2_1 => return "GRAPHICS_API_OPENGL_21",
|
|
.gl_3_3 => return "GRAPHICS_API_OPENGL_33",
|
|
.gl_4_3 => return "GRAPHICS_API_OPENGL_43",
|
|
.gles_2 => return "GRAPHICS_API_OPENGL_ES2",
|
|
.gles_3 => return "GRAPHICS_API_OPENGL_ES3",
|
|
}
|
|
}
|
|
};
|
|
|
|
pub const LinuxDisplayBackend = enum {
|
|
X11,
|
|
Wayland,
|
|
Both,
|
|
};
|
|
|
|
pub const PlatformBackend = enum {
|
|
glfw,
|
|
rgfw,
|
|
sdl,
|
|
drm,
|
|
};
|
|
|
|
pub fn build(b: *std.Build) !void {
|
|
// Standard target options allows the person running `zig build` to choose
|
|
// what target to build for. Here we do not override the defaults, which
|
|
// means any target is allowed, and the default is native. Other options
|
|
// for restricting supported target set are available.
|
|
const target = b.standardTargetOptions(.{});
|
|
// Standard optimization options allow the person running `zig build` to select
|
|
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
|
|
// set a preferred release mode, allowing the user to decide how to optimize.
|
|
const optimize = b.standardOptimizeOption(.{});
|
|
|
|
const lib = try compileRaylib(b, target, optimize, Options.getOptions(b));
|
|
|
|
lib.installHeader(b.path("src/raylib.h"), "raylib.h");
|
|
lib.installHeader(b.path("src/raymath.h"), "raymath.h");
|
|
lib.installHeader(b.path("src/rlgl.h"), "rlgl.h");
|
|
|
|
b.installArtifact(lib);
|
|
}
|
|
|
|
fn waylandGenerate(
|
|
b: *std.Build,
|
|
raylib: *std.Build.Step.Compile,
|
|
comptime protocol: []const u8,
|
|
comptime basename: []const u8,
|
|
) void {
|
|
const waylandDir = "src/external/glfw/deps/wayland";
|
|
const protocolDir = b.pathJoin(&.{ waylandDir, protocol });
|
|
const clientHeader = basename ++ ".h";
|
|
const privateCode = basename ++ "-code.h";
|
|
|
|
const client_step = b.addSystemCommand(&.{ "wayland-scanner", "client-header" });
|
|
client_step.addFileArg(b.path(protocolDir));
|
|
raylib.addIncludePath(client_step.addOutputFileArg(clientHeader).dirname());
|
|
|
|
const private_step = b.addSystemCommand(&.{ "wayland-scanner", "private-code" });
|
|
private_step.addFileArg(b.path(protocolDir));
|
|
raylib.addIncludePath(private_step.addOutputFileArg(privateCode).dirname());
|
|
|
|
raylib.step.dependOn(&client_step.step);
|
|
raylib.step.dependOn(&private_step.step);
|
|
}
|