fixing vertex outputs

src/intel/FlintInstance.zig

@@ -76,7 +76,20 @@ fn requestPhysicalDevices(interface: *Interface, allocator: std.mem.Allocator, d
             drm_device.device_info.pci.vendor_id != lib.INTEL_PCI_VENDOR_ID)
             continue;
 
-        const physical_device = try FlintPhysicalDevice.create(allocator, interface, &drm_device);
+        const version = device.getVersion(io_var, allocator) catch continue;
+        defer version.deinit(allocator);
+
+        const kmd_type: lib.KmdType = if (std.mem.eql(u8, version.name, "i915"))
+            .I915
+        else if (std.mem.eql(u8, version.name, "xe"))
+            .Xe
+        else
+            .Invalid;
+
+        if (kmd_type == .Invalid)
+            continue;
+
+        const physical_device = try FlintPhysicalDevice.create(allocator, interface, &drm_device, kmd_type);
         errdefer physical_device.interface.release(allocator) catch {};
 
         const dispatchable = try Dispatchable(base.PhysicalDevice).wrap(allocator, &physical_device.interface);

src/intel/FlintPhysicalDevice.zig

@@ -30,8 +30,9 @@ pub const EXTENSIONS = [_]vk.ExtensionProperties{
 };
 
 interface: Interface,
+kmd_type: lib.KmdType,
 
-pub fn create(allocator: std.mem.Allocator, instance: *base.Instance, drm_device: *const base.drm.Device) VkError!*Self {
+pub fn create(allocator: std.mem.Allocator, instance: *base.Instance, drm_device: *const base.drm.Device, kmd_type: lib.KmdType) VkError!*Self {
     const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
     errdefer allocator.destroy(self);
 
@@ -223,6 +224,7 @@ pub fn create(allocator: std.mem.Allocator, instance: *base.Instance, drm_device
 
     self.* = .{
         .interface = interface,
+        .kmd_type = kmd_type,
     };
 
     return self;