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core: enable x11 and set as default for linux

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This commit is contained in:
Joshua Holmes 2024-10-10 12:54:00 -07:00 • committed by Stephen Gutekanst
parent 9a0398e782
commit fcba68282d
2 changed files with 32 additions and 27 deletions
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49
src/core/Linux.zig
View file

@ -54,6 +54,14 @@ pub fn init(
linux.allocator = options.allocator;
if (!options.is_app and try wantGamemode(linux.allocator)) linux.gamemode = initLinuxGamemode();
linux.headless = options.headless;
linux.refresh_rate = 60; // TODO: set to something meaningful
linux.vsync_mode = .triple;
linux.size = options.size;
if (!options.headless) {
// TODO: this function does nothing right now
setDisplayMode(linux, options.display_mode);
}
const desired_backend: BackendEnum = blk: {
const backend = std.process.getEnvVarOwned(
@ -61,8 +69,7 @@ pub fn init(
"MACH_CORE_BACKEND",
) catch |err| switch (err) {
error.EnvironmentVariableNotFound => {
// TODO(core): default to .x11 in the future
break :blk .wayland;
break :blk .x11;
},
else => return err,
};
@ -73,31 +80,27 @@ pub fn init(
std.debug.panic("mach: unknown MACH_CORE_BACKEND: {s}", .{backend});
};
if (desired_backend == .x11) {
// TODO(core): support X11 in the future
@panic("X11 is not supported...YET");
}
// Try to initialize the desired backend, falling back to the other if that one is not supported
switch (desired_backend) {
.x11 => {
// const x11 = X11.init(linux, core, options) catch |err| switch (err) {
// error.NotSupported => {
// log.err("failed to initialize X11 backend, falling back to Wayland", .{});
// linux.backend = .{ .wayland = try Wayland.init(linux, core, options) };
// },
// else => return err,
// };
// linux.backend = .{ .x11 = x11 };
.x11 => blk: {
const x11 = X11.init(linux, core, options) catch |err| switch (err) {
error.LibraryNotFound => {
log.err("failed to initialize X11 backend, falling back to Wayland", .{});
linux.backend = .{ .wayland = try Wayland.init(linux, core, options) };
break :blk;
},
else => return err,
};
linux.backend = .{ .x11 = x11 };
},
.wayland => {
.wayland => blk: {
const wayland = Wayland.init(linux, core, options) catch |err| switch (err) {
error.LibraryNotFound => {
log.err("failed to initialize Wayland backend, falling back to X11", .{});
linux.backend = .{ .x11 = try X11.init(linux, core, options) };
// TODO(core): support X11 in the future
@panic("X11 is not supported...YET");
break :blk;
},
else => return err,
};
@ -114,8 +117,6 @@ pub fn init(
},
}
linux.refresh_rate = 60; // TODO: set to something meaningful
return;
}
@ -129,7 +130,11 @@ pub fn deinit(linux: *Linux) void {
return;
}
pub fn update(_: *Linux) !void {
pub fn update(linux: *Linux) !void {
switch (linux.backend) {
.wayland => {},
.x11 => try linux.backend.x11.update(),
}
return;
}

10
src/core/linux/X11.zig
View file

@ -74,7 +74,7 @@ display_mode: DisplayMode = .windowed,
vsync_mode: VSyncMode = .triple,
border: bool,
headless: bool,
size: Core.Size,
size: *Core.Size,
cursor_mode: CursorMode = .normal,
cursor_shape: CursorShape = .arrow,
surface_descriptor: *gpu.Surface.DescriptorFromXlibWindow,
@ -119,8 +119,8 @@ pub fn init(
root_window,
@divFloor(libx11.XDisplayWidth(display, screen), 2), // TODO: add window width?
@divFloor(libx11.XDisplayHeight(display, screen), 2), // TODO: add window height?
options.size.width,
options.size.height,
linux.size.width,
linux.size.height,
0,
c.DefaultDepth(display, screen),
c.InputOutput,
@ -130,7 +130,7 @@ pub fn init(
);
var window_attrs: c.XWindowAttributes = undefined;
_ = libx11.XGetWindowAttributes(display, window, &window_attrs);
const window_size = Core.Size{
linux.size = Core.Size{
.width = @intCast(window_attrs.width),
.height = @intCast(window_attrs.height),
};
@ -180,7 +180,7 @@ pub fn init(
.display_mode = .windowed,
.border = options.border,
.headless = options.headless,
.size = window_size,
.size = &linux.size,
.cursors = std.mem.zeroes([@typeInfo(CursorShape).@"enum".fields.len]?c.Cursor),
.surface_descriptor = surface_descriptor,
.libxkbcommon = try LibXkbCommon.load(),