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Support Wayland in build.zig

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This commit is contained in:
Brandon Dyck 2021-12-12 16:04:35 -07:00
parent 954352db4f
commit 35c01159c2
1 changed files with 59 additions and 15 deletions
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74
build.zig
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@ -9,6 +9,32 @@ const base_cflags: []const []const u8 = &.{
"-Wno-implicit-fallthrough",
};
const Backend = enum {
default,
x11,
wayland,
opengl,
gdi,
};
const ConfigError = error {
PlatformNotSupported,
BackendNotSupported,
};
/// Returns a comma-separated list of the names of an enum's values
/// in declaration order.
fn enumNames(comptime E: type) []const u8 {
var s: []const u8 = &[_]u8{};
for (std.enums.values(E)) |value| {
if (s.len > 0) {
s = s ++ ", ";
}
s = s ++ @tagName(value);
}
return s;
}
pub fn build(b: *std.build.Builder) !void {
const mode = b.standardReleaseOptions();
const target = b.standardTargetOptions(.{});
@ -25,7 +51,7 @@ pub fn build(b: *std.build.Builder) !void {
"src/MiniFB_timer.c",
});
const use_opengl = b.option(bool, "opengl", "Use OpenGL") orelse false;
const use_backend = b.option(Backend, "backend", "Which rendering back-end to use (" ++ enumNames(Backend) ++ ")") orelse .default;
const lib = b.addStaticLibrary("minifb-zig-port", null);
lib.addIncludeDir("src");
@ -37,29 +63,47 @@ pub fn build(b: *std.build.Builder) !void {
switch (target.getOsTag()) {
std.Target.Os.Tag.windows => {
try c_sources.append("src/windows/WinMiniFB.c");
lib.linkSystemLibraryName("gdi32");
if (use_opengl) {
try c_flags.append("-DUSE_OPENGL_API");
try c_sources.append("src/gl/MiniFB_GL.c");
lib.linkSystemLibraryName("opengl32");
lib.linkSystemLibrary("gdi32");
switch (use_backend) {
.gdi, .default => {},
.opengl => {
try c_flags.append("-DUSE_OPENGL_API");
try c_sources.append("src/gl/MiniFB_GL.c");
lib.linkSystemLibraryName("opengl32");
},
else => {
return ConfigError.BackendNotSupported;
}
}
},
std.Target.Os.Tag.linux => {
try c_sources.append("src/MiniFB_linux.c");
try c_sources.append("src/x11/X11MiniFB.c");
lib.linkSystemLibrary("rt");
lib.linkSystemLibrary("X11");
switch (use_backend) {
.x11, .default => {
try c_sources.append("src/x11/X11MiniFB.c");
lib.linkSystemLibrary("X11");
},
.opengl => {
try c_sources.append("src/x11/X11MiniFB.c");
lib.linkSystemLibrary("X11");
if (use_opengl) {
try c_flags.append("-DUSE_OPENGL_API");
try c_sources.append("src/gl/MiniFB_GL.c");
lib.linkSystemLibrary("GL");
try c_flags.append("-DUSE_OPENGL_API");
try c_sources.append("src/gl/MiniFB_GL.c");
lib.linkSystemLibrary("GL");
},
.wayland => {
try c_sources.append("src/wayland/WaylandMiniFB.c");
lib.linkSystemLibrary("wayland-client");
lib.linkSystemLibrary("wayland-cursor");
},
else => {
return ConfigError.BackendNotSupported;
}
}
// TODO wayland
},
else => {
return error.PlatformNotSupported;
return ConfigError.PlatformNotSupported;
},
}