Files
VulkanDriver/src/vulkan/ImageView.zig
T
kbz_8 4d4578ff46
Build / build (push) Failing after 0s
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adding fragdepth propagation, adjusting attachment sizing
2026-06-19 22:20:59 +02:00

73 lines
2.2 KiB
Zig

const std = @import("std");
const vk = @import("vulkan");
const lib = @import("lib.zig");
const VkError = @import("error_set.zig").VkError;
const NonDispatchable = @import("NonDispatchable.zig").NonDispatchable;
const Device = @import("Device.zig");
const Image = @import("Image.zig");
const Self = @This();
pub const ObjectType: vk.ObjectType = .image_view;
owner: *Device,
image: *Image,
view_type: vk.ImageViewType,
format: vk.Format,
components: vk.ComponentMapping,
subresource_range: vk.ImageSubresourceRange,
vtable: *const VTable,
pub const VTable = struct {
destroy: *const fn (*Self, std.mem.Allocator) void,
};
pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.ImageViewCreateInfo) VkError!Self {
_ = allocator;
return .{
.owner = device,
.image = try NonDispatchable(Image).fromHandleObject(info.image),
.view_type = info.view_type,
.format = info.format,
.components = info.components,
.subresource_range = info.subresource_range,
.vtable = undefined,
};
}
pub inline fn destroy(self: *Self, allocator: std.mem.Allocator) void {
self.vtable.destroy(self, allocator);
}
pub fn levelCount(self: *const Self) u32 {
return if (self.subresource_range.level_count == vk.REMAINING_MIP_LEVELS)
self.image.mip_levels - self.subresource_range.base_mip_level
else
self.subresource_range.level_count;
}
pub fn layerCount(self: *const Self) u32 {
return if (self.subresource_range.layer_count == vk.REMAINING_ARRAY_LAYERS)
self.remainingLayerCount()
else
self.subresource_range.layer_count;
}
pub fn resolvedSubresourceRange(self: *const Self) vk.ImageSubresourceRange {
var range = self.subresource_range;
range.level_count = self.levelCount();
range.layer_count = self.layerCount();
return range;
}
fn remainingLayerCount(self: *const Self) u32 {
if (self.image.image_type == .@"3d" and self.image.flags.@"2d_array_compatible_bit") {
const depth = @max(@as(u32, 1), self.image.extent.depth >> @intCast(self.subresource_range.base_mip_level));
return depth - self.subresource_range.base_array_layer;
}
return self.image.array_layers - self.subresource_range.base_array_layer;
}