90 lines
2.7 KiB
Zig
90 lines
2.7 KiB
Zig
const std = @import("std");
|
|
const builtin = @import("builtin");
|
|
const vk = @import("vulkan");
|
|
|
|
const VkError = @import("error_set.zig").VkError;
|
|
const Dispatchable = @import("Dispatchable.zig").Dispatchable;
|
|
const PhysicalDevice = @import("PhysicalDevice.zig");
|
|
|
|
const root = @import("root");
|
|
|
|
comptime {
|
|
if (!builtin.is_test) {
|
|
if (!@hasDecl(root, "VULKAN_VERSION")) {
|
|
@compileError("Missing VULKAN_VERSION in module root");
|
|
}
|
|
}
|
|
}
|
|
|
|
const Self = @This();
|
|
pub const ObjectType: vk.ObjectType = .instance;
|
|
|
|
physical_devices: std.ArrayList(*Dispatchable(PhysicalDevice)),
|
|
dispatch_table: *const DispatchTable,
|
|
vtable: *const VTable,
|
|
|
|
pub const VTable = struct {
|
|
releasePhysicalDevices: *const fn (*Self, std.mem.Allocator) VkError!void,
|
|
requestPhysicalDevices: *const fn (*Self, std.mem.Allocator) VkError!void,
|
|
};
|
|
|
|
pub const DispatchTable = struct {
|
|
destroyInstance: *const fn (*Self, std.mem.Allocator) VkError!void,
|
|
};
|
|
|
|
pub fn init(allocator: std.mem.Allocator, infos: *const vk.InstanceCreateInfo) VkError!Self {
|
|
_ = allocator;
|
|
_ = infos;
|
|
return .{
|
|
.physical_devices = .empty,
|
|
.dispatch_table = undefined,
|
|
.vtable = undefined,
|
|
};
|
|
}
|
|
|
|
// Dummy for docs creation and stuff
|
|
pub fn create(allocator: std.mem.Allocator, infos: *const vk.InstanceCreateInfo) VkError!*Self {
|
|
_ = allocator;
|
|
_ = infos;
|
|
return VkError.IncompatibleDriver;
|
|
}
|
|
|
|
pub fn deinit(self: *Self, allocator: std.mem.Allocator) VkError!void {
|
|
try self.releasePhysicalDevices(allocator);
|
|
try self.dispatch_table.destroyInstance(self, allocator);
|
|
}
|
|
|
|
pub fn enumerateExtensionProperties(layer_name: ?[]const u8, property_count: *u32, properties: ?*vk.ExtensionProperties) VkError!void {
|
|
if (layer_name) |_| {
|
|
return VkError.LayerNotPresent;
|
|
}
|
|
|
|
_ = properties;
|
|
_ = std.StaticStringMap(vk.ExtensionProperties).initComptime(.{});
|
|
|
|
property_count.* = 0;
|
|
}
|
|
|
|
pub fn enumerateVersion(version: *u32) VkError!void {
|
|
if (!builtin.is_test) {
|
|
version.* = @bitCast(root.VULKAN_VERSION);
|
|
} else {
|
|
version.* = @bitCast(vk.makeApiVersion(0, 1, 0, 0));
|
|
}
|
|
}
|
|
|
|
pub fn releasePhysicalDevices(self: *Self, allocator: std.mem.Allocator) VkError!void {
|
|
try self.vtable.releasePhysicalDevices(self, allocator);
|
|
}
|
|
|
|
pub fn requestPhysicalDevices(self: *Self, allocator: std.mem.Allocator) VkError!void {
|
|
try self.vtable.requestPhysicalDevices(self, allocator);
|
|
if (self.physical_devices.items.len == 0) {
|
|
std.log.scoped(.vkCreateInstance).err("No VkPhysicalDevice found", .{});
|
|
return;
|
|
}
|
|
for (self.physical_devices.items) |physical_device| {
|
|
std.log.scoped(.vkCreateInstance).debug("Found VkPhysicalDevice named {s}", .{physical_device.object.props.device_name});
|
|
}
|
|
}
|