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examples: Fix validation errors on macOS and iOS (#623)

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* Error: vkCreateDevice: VK_KHR_portability_subset must be enabled [...]
* Error: Attempting to create a VkDevice from a VkPhysicalDevice which is from a portability driver without the VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR bit in the VkInstanceCreateInfo flags being set and the VK_KHR_portability_enumeration extension enabled.
This commit is contained in:
Lucas Jenß 2022-05-27 11:05:15 +02:00 committed by GitHub
parent c4f1c053ea
commit 6308470479
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 25 additions and 2 deletions
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27
examples/src/lib.rs
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@ -15,6 +15,11 @@ use std::ffi::CStr;
use std::ops::Drop;
use std::os::raw::c_char;
#[cfg(any(target_os = "macos", target_os = "ios"))]
use ash::vk::{
KhrGetPhysicalDeviceProperties2Fn, KhrPortabilityEnumerationFn, KhrPortabilitySubsetFn,
};
use winit::{
event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent},
event_loop::{ControlFlow, EventLoop},
@ -229,6 +234,13 @@ impl ExampleBase {
.to_vec();
extension_names.push(DebugUtils::name().as_ptr());
#[cfg(any(target_os = "macos", target_os = "ios"))]
{
extension_names.push(KhrPortabilityEnumerationFn::name().as_ptr());
// Enabling this extension is a requirement when using `VK_KHR_portability_subset`
extension_names.push(KhrGetPhysicalDeviceProperties2Fn::name().as_ptr());
}
let appinfo = vk::ApplicationInfo::default()
.application_name(app_name)
.application_version(0)
@ -236,10 +248,17 @@ impl ExampleBase {
.engine_version(0)
.api_version(vk::make_api_version(0, 1, 0, 0));
let create_flags = if cfg!(any(target_os = "macos", target_os = "ios")) {
vk::InstanceCreateFlags::ENUMERATE_PORTABILITY_KHR
} else {
vk::InstanceCreateFlags::default()
};
let create_info = vk::InstanceCreateInfo::default()
.application_info(&appinfo)
.enabled_layer_names(&layers_names_raw)
.enabled_extension_names(&extension_names);
.enabled_extension_names(&extension_names)
.flags(create_flags);
let instance: Instance = entry
.create_instance(&create_info, None)
@ -293,7 +312,11 @@ impl ExampleBase {
})
.expect("Couldn't find suitable device.");
let queue_family_index = queue_family_index as u32;
let device_extension_names_raw = [Swapchain::name().as_ptr()];
let device_extension_names_raw = [
Swapchain::name().as_ptr(),
#[cfg(any(target_os = "macos", target_os = "ios"))]
KhrPortabilitySubsetFn::name().as_ptr(),
];
let features = vk::PhysicalDeviceFeatures {
shader_clip_distance: 1,
..Default::default()