const std = @import("std");
const vk = @import("vulkan");
const base = @import("base");

const VkError = base.VkError;
const Device = base.Device;

const Self = @This();
pub const Interface = base.Pipeline;

interface: Interface,

pub fn createCompute(device: *base.Device, allocator: std.mem.Allocator, cache: ?*base.PipelineCache, info: *const vk.ComputePipelineCreateInfo) VkError!*Self {
    const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
    errdefer allocator.destroy(self);

    var interface = try Interface.initCompute(device, allocator, cache, info);

    interface.vtable = &.{
        .destroy = destroy,
    };

    self.* = .{
        .interface = interface,
    };
    return self;
}

pub fn createGraphics(device: *base.Device, allocator: std.mem.Allocator, cache: ?*base.PipelineCache, info: *const vk.GraphicsPipelineCreateInfo) VkError!*Self {
    const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
    errdefer allocator.destroy(self);

    var interface = try Interface.initGraphics(device, allocator, cache, info);

    interface.vtable = &.{
        .destroy = destroy,
    };

    self.* = .{
        .interface = interface,
    };
    return self;
}

pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
    allocator.destroy(self);
}