//! ----------------------------------------------------
//! `🗲` Vulkan Surface `🗲`
//! ----------------------------------------------------

const std = @import("std");
const vk = @import("vulkan");
const Instance = @import("../instance.zig");
const Window = @import("../../root.zig").Window;
const Self = @This();

//
// FIELDS
//

raw: *vk.VkSurfaceKHR_T,

/// ----------------------------------------------------
/// ----------------------------------------------------
pub fn init(
    instance: *Instance,
    window: Window,
) !Self {
    const surface: *vk.VkSurfaceKHR_T = blk: {
        var raw: vk.VkSurfaceKHR = null;
        switch (window) {
            .xlib => |v| {
                var info: vk.VkXlibSurfaceCreateInfoKHR = .{
                    .sType = vk.VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR,
                    .window = v.window,
                    .dpy = @ptrCast(v.display),
                };

                if (vk.vkCreateXlibSurfaceKHR(instance.raw, &info, null, &raw) != vk.VK_SUCCESS) {
                    return error.FailedToCreateXlibSurfaceKHR;
                }

                break :blk raw.?;
            },
            else => return error.NotImplementedYet,
        }
        return error.FailedToCreateSurface;
    };

    return .{
        .raw = surface,
    };
}

/// ----------------------------------------------------
/// ----------------------------------------------------
pub fn deinit(self: *Self, instance: *Instance) void {
    vk.vkDestroySurfaceKHR(instance.raw, self.raw, null);
}