77 lines
2.6 KiB
Zig
77 lines
2.6 KiB
Zig
const std = @import("std");
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const vk = @import("vulkan");
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const base = @import("base");
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const VkError = base.VkError;
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const VulkanAllocator = base.VulkanAllocator;
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const SoftDescriptorSet = @import("SoftDescriptorSet.zig");
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const Self = @This();
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pub const Interface = base.DescriptorPool;
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interface: Interface,
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list: std.ArrayList(*SoftDescriptorSet),
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pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const vk.DescriptorPoolCreateInfo) VkError!*Self {
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const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
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errdefer allocator.destroy(self);
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var interface = try Interface.init(device, allocator, info);
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interface.vtable = &.{
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.allocateDescriptorSet = allocateDescriptorSet,
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.destroy = destroy,
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.freeDescriptorSet = freeDescriptorSet,
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.reset = reset,
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};
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self.* = .{
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.interface = interface,
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.list = std.ArrayList(*SoftDescriptorSet).initCapacity(allocator, info.max_sets) catch return VkError.OutOfHostMemory,
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};
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return self;
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}
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pub fn allocateDescriptorSet(interface: *Interface, layout: *base.DescriptorSetLayout) VkError!*base.DescriptorSet {
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const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
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const allocator = VulkanAllocator.init(null, .object).allocator();
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const set = try SoftDescriptorSet.create(interface.owner, allocator, layout);
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self.list.appendAssumeCapacity(set);
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return &set.interface;
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}
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pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
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const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
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const set_allocator = VulkanAllocator.init(null, .object).allocator();
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for (self.list.items) |set| {
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set.interface.destroy(set_allocator);
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}
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self.list.deinit(allocator);
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allocator.destroy(self);
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}
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pub fn freeDescriptorSet(interface: *Interface, set: *base.DescriptorSet) VkError!void {
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const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
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const soft_set: *SoftDescriptorSet = @alignCast(@fieldParentPtr("interface", set));
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if (std.mem.indexOfScalar(*SoftDescriptorSet, self.list.items, soft_set)) |pos| {
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_ = self.list.orderedRemove(pos);
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}
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const allocator = VulkanAllocator.init(null, .object).allocator();
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set.destroy(allocator);
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}
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pub fn reset(interface: *Interface, _: vk.DescriptorPoolResetFlags) VkError!void {
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const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
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const allocator = VulkanAllocator.init(null, .object).allocator();
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for (self.list.items) |set| {
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set.interface.destroy(allocator);
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}
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self.list.clearRetainingCapacity();
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}
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