1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389
/*!
# Vulkan API internals.
## Stack memory
Ash expects slices, which we don't generally have available.
We cope with this requirement by the combination of the following ways:
- temporarily allocating `Vec` on heap, where overhead is permitted
- growing temporary local storage
## Framebuffers and Render passes
Render passes are cached on the device and kept forever.
Framebuffers are also cached on the device, but they are removed when
any of the image views (they have) gets removed.
If Vulkan supports image-less framebuffers,
then the actual views are excluded from the framebuffer key.
## Fences
If timeline semaphores are available, they are used 1:1 with wgpu-hal fences.
Otherwise, we manage a pool of `VkFence` objects behind each `hal::Fence`.
!*/
mod adapter;
mod command;
mod conv;
mod device;
mod instance;
use std::{
borrow::Borrow,
collections::HashSet,
ffi::{CStr, CString},
fmt, mem,
num::NonZeroU32,
sync::Arc,
};
use arrayvec::ArrayVec;
use ash::{ext, khr, vk};
use parking_lot::{Mutex, RwLock};
use wgt::InternalCounter;
const MILLIS_TO_NANOS: u64 = 1_000_000;
const MAX_TOTAL_ATTACHMENTS: usize = crate::MAX_COLOR_ATTACHMENTS * 2 + 1;
#[derive(Clone, Debug)]
pub struct Api;
impl crate::Api for Api {
type Instance = Instance;
type Surface = Surface;
type Adapter = Adapter;
type Device = Device;
type Queue = Queue;
type CommandEncoder = CommandEncoder;
type CommandBuffer = CommandBuffer;
type Buffer = Buffer;
type Texture = Texture;
type SurfaceTexture = SurfaceTexture;
type TextureView = TextureView;
type Sampler = Sampler;
type QuerySet = QuerySet;
type Fence = Fence;
type AccelerationStructure = AccelerationStructure;
type PipelineCache = PipelineCache;
type BindGroupLayout = BindGroupLayout;
type BindGroup = BindGroup;
type PipelineLayout = PipelineLayout;
type ShaderModule = ShaderModule;
type RenderPipeline = RenderPipeline;
type ComputePipeline = ComputePipeline;
}
crate::impl_dyn_resource!(
Adapter,
AccelerationStructure,
BindGroup,
BindGroupLayout,
Buffer,
CommandBuffer,
CommandEncoder,
ComputePipeline,
Device,
Fence,
Instance,
PipelineCache,
PipelineLayout,
QuerySet,
Queue,
RenderPipeline,
Sampler,
ShaderModule,
Surface,
SurfaceTexture,
Texture,
TextureView
);
struct DebugUtils {
extension: ext::debug_utils::Instance,
messenger: vk::DebugUtilsMessengerEXT,
/// Owning pointer to the debug messenger callback user data.
///
/// `InstanceShared::drop` destroys the debug messenger before
/// dropping this, so the callback should never receive a dangling
/// user data pointer.
#[allow(dead_code)]
callback_data: Box<DebugUtilsMessengerUserData>,
}
pub struct DebugUtilsCreateInfo {
severity: vk::DebugUtilsMessageSeverityFlagsEXT,
message_type: vk::DebugUtilsMessageTypeFlagsEXT,
callback_data: Box<DebugUtilsMessengerUserData>,
}
#[derive(Debug)]
/// The properties related to the validation layer needed for the
/// DebugUtilsMessenger for their workarounds
struct ValidationLayerProperties {
/// Validation layer description, from `vk::LayerProperties`.
layer_description: CString,
/// Validation layer specification version, from `vk::LayerProperties`.
layer_spec_version: u32,
}
/// User data needed by `instance::debug_utils_messenger_callback`.
///
/// When we create the [`vk::DebugUtilsMessengerEXT`], the `pUserData`
/// pointer refers to one of these values.
#[derive(Debug)]
pub struct DebugUtilsMessengerUserData {
/// The properties related to the validation layer, if present
validation_layer_properties: Option<ValidationLayerProperties>,
/// If the OBS layer is present. OBS never increments the version of their layer,
/// so there's no reason to have the version.
has_obs_layer: bool,
}
pub struct InstanceShared {
raw: ash::Instance,
extensions: Vec<&'static CStr>,
drop_guard: Option<crate::DropGuard>,
flags: wgt::InstanceFlags,
debug_utils: Option<DebugUtils>,
get_physical_device_properties: Option<khr::get_physical_device_properties2::Instance>,
entry: ash::Entry,
has_nv_optimus: bool,
android_sdk_version: u32,
/// The instance API version.
///
/// Which is the version of Vulkan supported for instance-level functionality.
///
/// It is associated with a `VkInstance` and its children,
/// except for a `VkPhysicalDevice` and its children.
instance_api_version: u32,
}
pub struct Instance {
shared: Arc<InstanceShared>,
}
/// The semaphores needed to use one image in a swapchain.
#[derive(Debug)]
struct SwapchainImageSemaphores {
/// A semaphore that is signaled when this image is safe for us to modify.
///
/// When [`vkAcquireNextImageKHR`] returns the index of the next swapchain
/// image that we should use, that image may actually still be in use by the
/// presentation engine, and is not yet safe to modify. However, that
/// function does accept a semaphore that it will signal when the image is
/// indeed safe to begin messing with.
///
/// This semaphore is:
///
/// - waited for by the first queue submission to operate on this image
/// since it was acquired, and
///
/// - signaled by [`vkAcquireNextImageKHR`] when the acquired image is ready
/// for us to use.
///
/// [`vkAcquireNextImageKHR`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#vkAcquireNextImageKHR
acquire: vk::Semaphore,
/// True if the next command submission operating on this image should wait
/// for [`acquire`].
///
/// We must wait for `acquire` before drawing to this swapchain image, but
/// because `wgpu-hal` queue submissions are always strongly ordered, only
/// the first submission that works with a swapchain image actually needs to
/// wait. We set this flag when this image is acquired, and clear it the
/// first time it's passed to [`Queue::submit`] as a surface texture.
///
/// [`acquire`]: SwapchainImageSemaphores::acquire
/// [`Queue::submit`]: crate::Queue::submit
should_wait_for_acquire: bool,
/// A pool of semaphores for ordering presentation after drawing.
///
/// The first [`present_index`] semaphores in this vector are:
///
/// - all waited on by the call to [`vkQueuePresentKHR`] that presents this
/// image, and
///
/// - each signaled by some [`vkQueueSubmit`] queue submission that draws to
/// this image, when the submission finishes execution.
///
/// This vector accumulates one semaphore per submission that writes to this
/// image. This is awkward, but hard to avoid: [`vkQueuePresentKHR`]
/// requires a semaphore to order it with respect to drawing commands, and
/// we can't attach new completion semaphores to a command submission after
/// it's been submitted. This means that, at submission time, we must create
/// the semaphore we might need if the caller's next action is to enqueue a
/// presentation of this image.
///
/// An alternative strategy would be for presentation to enqueue an empty
/// submit, ordered relative to other submits in the usual way, and
/// signaling a single presentation semaphore. But we suspect that submits
/// are usually expensive enough, and semaphores usually cheap enough, that
/// performance-sensitive users will avoid making many submits, so that the
/// cost of accumulated semaphores will usually be less than the cost of an
/// additional submit.
///
/// Only the first [`present_index`] semaphores in the vector are actually
/// going to be signalled by submitted commands, and need to be waited for
/// by the next present call. Any semaphores beyond that index were created
/// for prior presents and are simply being retained for recycling.
///
/// [`present_index`]: SwapchainImageSemaphores::present_index
/// [`vkQueuePresentKHR`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#vkQueuePresentKHR
/// [`vkQueueSubmit`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#vkQueueSubmit
present: Vec<vk::Semaphore>,
/// The number of semaphores in [`present`] to be signalled for this submission.
///
/// [`present`]: SwapchainImageSemaphores::present
present_index: usize,
/// The fence value of the last command submission that wrote to this image.
///
/// The next time we try to acquire this image, we'll block until
/// this submission finishes, proving that [`acquire`] is ready to
/// pass to `vkAcquireNextImageKHR` again.
///
/// [`acquire`]: SwapchainImageSemaphores::acquire
previously_used_submission_index: crate::FenceValue,
}
impl SwapchainImageSemaphores {
fn new(device: &DeviceShared) -> Result<Self, crate::DeviceError> {
Ok(Self {
acquire: device.new_binary_semaphore()?,
should_wait_for_acquire: true,
present: Vec::new(),
present_index: 0,
previously_used_submission_index: 0,
})
}
fn set_used_fence_value(&mut self, value: crate::FenceValue) {
self.previously_used_submission_index = value;
}
/// Return the semaphore that commands drawing to this image should wait for, if any.
///
/// This only returns `Some` once per acquisition; see
/// [`SwapchainImageSemaphores::should_wait_for_acquire`] for details.
fn get_acquire_wait_semaphore(&mut self) -> Option<vk::Semaphore> {
if self.should_wait_for_acquire {
self.should_wait_for_acquire = false;
Some(self.acquire)
} else {
None
}
}
/// Return a semaphore that a submission that writes to this image should
/// signal when it's done.
///
/// See [`SwapchainImageSemaphores::present`] for details.
fn get_submit_signal_semaphore(
&mut self,
device: &DeviceShared,
) -> Result<vk::Semaphore, crate::DeviceError> {
// Try to recycle a semaphore we created for a previous presentation.
let sem = match self.present.get(self.present_index) {
Some(sem) => *sem,
None => {
let sem = device.new_binary_semaphore()?;
self.present.push(sem);
sem
}
};
self.present_index += 1;
Ok(sem)
}
/// Return the semaphores that a presentation of this image should wait on.
///
/// Return a slice of semaphores that the call to [`vkQueueSubmit`] that
/// ends this image's acquisition should wait for. See
/// [`SwapchainImageSemaphores::present`] for details.
///
/// Reset `self` to be ready for the next acquisition cycle.
///
/// [`vkQueueSubmit`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#vkQueueSubmit
fn get_present_wait_semaphores(&mut self) -> &[vk::Semaphore] {
let old_index = self.present_index;
// Since this marks the end of this acquire/draw/present cycle, take the
// opportunity to reset `self` in preparation for the next acquisition.
self.present_index = 0;
self.should_wait_for_acquire = true;
&self.present[0..old_index]
}
unsafe fn destroy(&self, device: &ash::Device) {
unsafe {
device.destroy_semaphore(self.acquire, None);
for sem in &self.present {
device.destroy_semaphore(*sem, None);
}
}
}
}
struct Swapchain {
raw: vk::SwapchainKHR,
raw_flags: vk::SwapchainCreateFlagsKHR,
functor: khr::swapchain::Device,
device: Arc<DeviceShared>,
images: Vec<vk::Image>,
config: crate::SurfaceConfiguration,
view_formats: Vec<wgt::TextureFormat>,
/// One wait semaphore per swapchain image. This will be associated with the
/// surface texture, and later collected during submission.
///
/// We need this to be `Arc<Mutex<>>` because we need to be able to pass this
/// data into the surface texture, so submit/present can use it.
surface_semaphores: Vec<Arc<Mutex<SwapchainImageSemaphores>>>,
/// The index of the next semaphore to use. Ideally we would use the same
/// index as the image index, but we need to specify the semaphore as an argument
/// to the acquire_next_image function which is what tells us which image to use.
next_semaphore_index: usize,
/// The present timing information which will be set in the next call to [`present()`](crate::Queue::present()).
///
/// # Safety
///
/// This must only be set if [`wgt::Features::VULKAN_GOOGLE_DISPLAY_TIMING`] is enabled, and
/// so the VK_GOOGLE_display_timing extension is present.
next_present_time: Option<vk::PresentTimeGOOGLE>,
}
impl Swapchain {
fn advance_surface_semaphores(&mut self) {
let semaphore_count = self.surface_semaphores.len();
self.next_semaphore_index = (self.next_semaphore_index + 1) % semaphore_count;
}
fn get_surface_semaphores(&self) -> Arc<Mutex<SwapchainImageSemaphores>> {
self.surface_semaphores[self.next_semaphore_index].clone()
}
}
pub struct Surface {
raw: vk::SurfaceKHR,
functor: khr::surface::Instance,
instance: Arc<InstanceShared>,
swapchain: RwLock<Option<Swapchain>>,
}
impl Surface {
/// Get the raw Vulkan swapchain associated with this surface.
///
/// Returns [`None`] if the surface is not configured.
pub fn raw_swapchain(&self) -> Option<vk::SwapchainKHR> {
let read = self.swapchain.read();
read.as_ref().map(|it| it.raw)
}
/// Set the present timing information which will be used for the next [presentation](crate::Queue::present()) of this surface,
/// using [VK_GOOGLE_display_timing].
///
/// This can be used to give an id to presentations, for future use of [`vk::PastPresentationTimingGOOGLE`].
/// Note that `wgpu-hal` does *not* provide a way to use that API - you should manually access this through [`ash`].
///
/// This can also be used to add a "not before" timestamp to the presentation.
///
/// The exact semantics of the fields are also documented in the [specification](https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkPresentTimeGOOGLE.html) for the extension.
///
/// # Panics
///
/// - If the surface hasn't been configured.
/// - If the device doesn't [support present timing](wgt::Features::VULKAN_GOOGLE_DISPLAY_TIMING).
///
/// [VK_GOOGLE_display_timing]: https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_GOOGLE_display_timing.html
#[track_caller]
pub fn set_next_present_time(&self, present_timing: vk::PresentTimeGOOGLE) {
let mut swapchain = self.swapchain.write();
let swapchain = swapchain
.as_mut()
.expect("Surface should have been configured");
let features = wgt::Features::VULKAN_GOOGLE_DISPLAY_TIMING;
if swapchain.device.features.contains(features) {
swapchain.next_present_time = Some(present_timing);
} else {
// Ideally we'd use something like `device.required_features` here, but that's in `wgpu-core`, which we are a dependency of
panic!("Tried to set display timing properties without the corresponding feature ({features:?}) enabled.");
}
}
}
#[derive(Debug)]
pub struct SurfaceTexture {
index: u32,
texture: Texture,
surface_semaphores: Arc<Mutex<SwapchainImageSemaphores>>,
}
impl crate::DynSurfaceTexture for SurfaceTexture {}
impl Borrow<Texture> for SurfaceTexture {
fn borrow(&self) -> &Texture {
&self.texture
}
}
impl Borrow<dyn crate::DynTexture> for SurfaceTexture {
fn borrow(&self) -> &dyn crate::DynTexture {
&self.texture
}
}
pub struct Adapter {
raw: vk::PhysicalDevice,
instance: Arc<InstanceShared>,
//queue_families: Vec<vk::QueueFamilyProperties>,
known_memory_flags: vk::MemoryPropertyFlags,
phd_capabilities: adapter::PhysicalDeviceProperties,
//phd_features: adapter::PhysicalDeviceFeatures,
downlevel_flags: wgt::DownlevelFlags,
private_caps: PrivateCapabilities,
workarounds: Workarounds,
}
// TODO there's no reason why this can't be unified--the function pointers should all be the same--it's not clear how to do this with `ash`.
enum ExtensionFn<T> {
/// The loaded function pointer struct for an extension.
Extension(T),
/// The extension was promoted to a core version of Vulkan and the functions on `ash`'s `DeviceV1_x` traits should be used.
Promoted,
}
struct DeviceExtensionFunctions {
debug_utils: Option<ext::debug_utils::Device>,
draw_indirect_count: Option<khr::draw_indirect_count::Device>,
timeline_semaphore: Option<ExtensionFn<khr::timeline_semaphore::Device>>,
ray_tracing: Option<RayTracingDeviceExtensionFunctions>,
}
struct RayTracingDeviceExtensionFunctions {
acceleration_structure: khr::acceleration_structure::Device,
buffer_device_address: khr::buffer_device_address::Device,
}
/// Set of internal capabilities, which don't show up in the exposed
/// device geometry, but affect the code paths taken internally.
#[derive(Clone, Debug)]
struct PrivateCapabilities {
/// Y-flipping is implemented with either `VK_AMD_negative_viewport_height` or `VK_KHR_maintenance1`/1.1+. The AMD extension for negative viewport height does not require a Y shift.
///
/// This flag is `true` if the device has `VK_KHR_maintenance1`/1.1+ and `false` otherwise (i.e. in the case of `VK_AMD_negative_viewport_height`).
flip_y_requires_shift: bool,
imageless_framebuffers: bool,
image_view_usage: bool,
timeline_semaphores: bool,
texture_d24: bool,
texture_d24_s8: bool,
texture_s8: bool,
/// Ability to present contents to any screen. Only needed to work around broken platform configurations.
can_present: bool,
non_coherent_map_mask: wgt::BufferAddress,
/// True if this adapter advertises the [`robustBufferAccess`][vrba] feature.
///
/// Note that Vulkan's `robustBufferAccess` is not sufficient to implement
/// `wgpu_hal`'s guarantee that shaders will not access buffer contents via
/// a given bindgroup binding outside that binding's [accessible
/// region][ar]. Enabling `robustBufferAccess` does ensure that
/// out-of-bounds reads and writes are not undefined behavior (that's good),
/// but still permits out-of-bounds reads to return data from anywhere
/// within the buffer, not just the accessible region.
///
/// [ar]: ../struct.BufferBinding.html#accessible-region
/// [vrba]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#features-robustBufferAccess
robust_buffer_access: bool,
robust_image_access: bool,
/// True if this adapter supports the [`VK_EXT_robustness2`] extension's
/// [`robustBufferAccess2`] feature.
///
/// This is sufficient to implement `wgpu_hal`'s [required bounds-checking][ar] of
/// shader accesses to buffer contents. If this feature is not available,
/// this backend must have Naga inject bounds checks in the generated
/// SPIR-V.
///
/// [`VK_EXT_robustness2`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_EXT_robustness2.html
/// [`robustBufferAccess2`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VkPhysicalDeviceRobustness2FeaturesEXT.html#features-robustBufferAccess2
/// [ar]: ../struct.BufferBinding.html#accessible-region
robust_buffer_access2: bool,
robust_image_access2: bool,
zero_initialize_workgroup_memory: bool,
image_format_list: bool,
}
bitflags::bitflags!(
/// Workaround flags.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct Workarounds: u32 {
/// Only generate SPIR-V for one entry point at a time.
const SEPARATE_ENTRY_POINTS = 0x1;
/// Qualcomm OOMs when there are zero color attachments but a non-null pointer
/// to a subpass resolve attachment array. This nulls out that pointer in that case.
const EMPTY_RESOLVE_ATTACHMENT_LISTS = 0x2;
/// If the following code returns false, then nvidia will end up filling the wrong range.
///
/// ```skip
/// fn nvidia_succeeds() -> bool {
/// # let (copy_length, start_offset) = (0, 0);
/// if copy_length >= 4096 {
/// if start_offset % 16 != 0 {
/// if copy_length == 4096 {
/// return true;
/// }
/// if copy_length % 16 == 0 {
/// return false;
/// }
/// }
/// }
/// true
/// }
/// ```
///
/// As such, we need to make sure all calls to vkCmdFillBuffer are aligned to 16 bytes
/// if they cover a range of 4096 bytes or more.
const FORCE_FILL_BUFFER_WITH_SIZE_GREATER_4096_ALIGNED_OFFSET_16 = 0x4;
}
);
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
struct AttachmentKey {
format: vk::Format,
layout: vk::ImageLayout,
ops: crate::AttachmentOps,
}
impl AttachmentKey {
/// Returns an attachment key for a compatible attachment.
fn compatible(format: vk::Format, layout: vk::ImageLayout) -> Self {
Self {
format,
layout,
ops: crate::AttachmentOps::all(),
}
}
}
#[derive(Clone, Eq, Hash, PartialEq)]
struct ColorAttachmentKey {
base: AttachmentKey,
resolve: Option<AttachmentKey>,
}
#[derive(Clone, Eq, Hash, PartialEq)]
struct DepthStencilAttachmentKey {
base: AttachmentKey,
stencil_ops: crate::AttachmentOps,
}
#[derive(Clone, Eq, Default, Hash, PartialEq)]
struct RenderPassKey {
colors: ArrayVec<Option<ColorAttachmentKey>, { crate::MAX_COLOR_ATTACHMENTS }>,
depth_stencil: Option<DepthStencilAttachmentKey>,
sample_count: u32,
multiview: Option<NonZeroU32>,
}
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
struct FramebufferAttachment {
/// Can be NULL if the framebuffer is image-less
raw: vk::ImageView,
raw_image_flags: vk::ImageCreateFlags,
view_usage: crate::TextureUses,
view_format: wgt::TextureFormat,
raw_view_formats: Vec<vk::Format>,
}
#[derive(Clone, Eq, Hash, PartialEq)]
struct FramebufferKey {
attachments: ArrayVec<FramebufferAttachment, { MAX_TOTAL_ATTACHMENTS }>,
extent: wgt::Extent3d,
sample_count: u32,
}
struct DeviceShared {
raw: ash::Device,
family_index: u32,
queue_index: u32,
raw_queue: vk::Queue,
drop_guard: Option<crate::DropGuard>,
instance: Arc<InstanceShared>,
physical_device: vk::PhysicalDevice,
enabled_extensions: Vec<&'static CStr>,
extension_fns: DeviceExtensionFunctions,
vendor_id: u32,
pipeline_cache_validation_key: [u8; 16],
timestamp_period: f32,
private_caps: PrivateCapabilities,
workarounds: Workarounds,
features: wgt::Features,
render_passes: Mutex<rustc_hash::FxHashMap<RenderPassKey, vk::RenderPass>>,
framebuffers: Mutex<rustc_hash::FxHashMap<FramebufferKey, vk::Framebuffer>>,
memory_allocations_counter: InternalCounter,
}
pub struct Device {
shared: Arc<DeviceShared>,
mem_allocator: Mutex<gpu_alloc::GpuAllocator<vk::DeviceMemory>>,
desc_allocator:
Mutex<gpu_descriptor::DescriptorAllocator<vk::DescriptorPool, vk::DescriptorSet>>,
valid_ash_memory_types: u32,
naga_options: naga::back::spv::Options<'static>,
#[cfg(feature = "renderdoc")]
render_doc: crate::auxil::renderdoc::RenderDoc,
counters: wgt::HalCounters,
}
/// Semaphores for forcing queue submissions to run in order.
///
/// The [`wgpu_hal::Queue`] trait promises that if two calls to [`submit`] are
/// ordered, then the first submission will finish on the GPU before the second
/// submission begins. To get this behavior on Vulkan we need to pass semaphores
/// to [`vkQueueSubmit`] for the commands to wait on before beginning execution,
/// and to signal when their execution is done.
///
/// Normally this can be done with a single semaphore, waited on and then
/// signalled for each submission. At any given time there's exactly one
/// submission that would signal the semaphore, and exactly one waiting on it,
/// as Vulkan requires.
///
/// However, as of Oct 2021, bug [#5508] in the Mesa ANV drivers caused them to
/// hang if we use a single semaphore. The workaround is to alternate between
/// two semaphores. The bug has been fixed in Mesa, but we should probably keep
/// the workaround until, say, Oct 2026.
///
/// [`wgpu_hal::Queue`]: crate::Queue
/// [`submit`]: crate::Queue::submit
/// [`vkQueueSubmit`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#vkQueueSubmit
/// [#5508]: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5508
#[derive(Clone)]
struct RelaySemaphores {
/// The semaphore the next submission should wait on before beginning
/// execution on the GPU. This is `None` for the first submission, which
/// should not wait on anything at all.
wait: Option<vk::Semaphore>,
/// The semaphore the next submission should signal when it has finished
/// execution on the GPU.
signal: vk::Semaphore,
}
impl RelaySemaphores {
fn new(device: &DeviceShared) -> Result<Self, crate::DeviceError> {
Ok(Self {
wait: None,
signal: device.new_binary_semaphore()?,
})
}
/// Advances the semaphores, returning the semaphores that should be used for a submission.
fn advance(&mut self, device: &DeviceShared) -> Result<Self, crate::DeviceError> {
let old = self.clone();
// Build the state for the next submission.
match self.wait {
None => {
// The `old` values describe the first submission to this queue.
// The second submission should wait on `old.signal`, and then
// signal a new semaphore which we'll create now.
self.wait = Some(old.signal);
self.signal = device.new_binary_semaphore()?;
}
Some(ref mut wait) => {
// What this submission signals, the next should wait.
mem::swap(wait, &mut self.signal);
}
};
Ok(old)
}
/// Destroys the semaphores.
unsafe fn destroy(&self, device: &ash::Device) {
unsafe {
if let Some(wait) = self.wait {
device.destroy_semaphore(wait, None);
}
device.destroy_semaphore(self.signal, None);
}
}
}
pub struct Queue {
raw: vk::Queue,
swapchain_fn: khr::swapchain::Device,
device: Arc<DeviceShared>,
family_index: u32,
relay_semaphores: Mutex<RelaySemaphores>,
}
#[derive(Debug)]
pub struct Buffer {
raw: vk::Buffer,
block: Option<Mutex<gpu_alloc::MemoryBlock<vk::DeviceMemory>>>,
}
impl crate::DynBuffer for Buffer {}
#[derive(Debug)]
pub struct AccelerationStructure {
raw: vk::AccelerationStructureKHR,
buffer: vk::Buffer,
block: Mutex<gpu_alloc::MemoryBlock<vk::DeviceMemory>>,
}
impl crate::DynAccelerationStructure for AccelerationStructure {}
#[derive(Debug)]
pub struct Texture {
raw: vk::Image,
drop_guard: Option<crate::DropGuard>,
block: Option<gpu_alloc::MemoryBlock<vk::DeviceMemory>>,
usage: crate::TextureUses,
format: wgt::TextureFormat,
raw_flags: vk::ImageCreateFlags,
copy_size: crate::CopyExtent,
view_formats: Vec<wgt::TextureFormat>,
}
impl crate::DynTexture for Texture {}
impl Texture {
/// # Safety
///
/// - The image handle must not be manually destroyed
pub unsafe fn raw_handle(&self) -> vk::Image {
self.raw
}
}
#[derive(Debug)]
pub struct TextureView {
raw: vk::ImageView,
layers: NonZeroU32,
attachment: FramebufferAttachment,
}
impl crate::DynTextureView for TextureView {}
impl TextureView {
/// # Safety
///
/// - The image view handle must not be manually destroyed
pub unsafe fn raw_handle(&self) -> vk::ImageView {
self.raw
}
}
#[derive(Debug)]
pub struct Sampler {
raw: vk::Sampler,
}
impl crate::DynSampler for Sampler {}
#[derive(Debug)]
pub struct BindGroupLayout {
raw: vk::DescriptorSetLayout,
desc_count: gpu_descriptor::DescriptorTotalCount,
types: Box<[(vk::DescriptorType, u32)]>,
/// Map of binding index to size,
binding_arrays: Vec<(u32, NonZeroU32)>,
}
impl crate::DynBindGroupLayout for BindGroupLayout {}
#[derive(Debug)]
pub struct PipelineLayout {
raw: vk::PipelineLayout,
binding_arrays: naga::back::spv::BindingMap,
}
impl crate::DynPipelineLayout for PipelineLayout {}
#[derive(Debug)]
pub struct BindGroup {
set: gpu_descriptor::DescriptorSet<vk::DescriptorSet>,
}
impl crate::DynBindGroup for BindGroup {}
/// Miscellaneous allocation recycling pool for `CommandAllocator`.
#[derive(Default)]
struct Temp {
marker: Vec<u8>,
buffer_barriers: Vec<vk::BufferMemoryBarrier<'static>>,
image_barriers: Vec<vk::ImageMemoryBarrier<'static>>,
}
impl Temp {
fn clear(&mut self) {
self.marker.clear();
self.buffer_barriers.clear();
self.image_barriers.clear();
}
fn make_c_str(&mut self, name: &str) -> &CStr {
self.marker.clear();
self.marker.extend_from_slice(name.as_bytes());
self.marker.push(0);
unsafe { CStr::from_bytes_with_nul_unchecked(&self.marker) }
}
}
pub struct CommandEncoder {
raw: vk::CommandPool,
device: Arc<DeviceShared>,
/// The current command buffer, if `self` is in the ["recording"]
/// state.
///
/// ["recording"]: crate::CommandEncoder
///
/// If non-`null`, the buffer is in the Vulkan "recording" state.
active: vk::CommandBuffer,
/// What kind of pass we are currently within: compute or render.
bind_point: vk::PipelineBindPoint,
/// Allocation recycling pool for this encoder.
temp: Temp,
/// A pool of available command buffers.
///
/// These are all in the Vulkan "initial" state.
free: Vec<vk::CommandBuffer>,
/// A pool of discarded command buffers.
///
/// These could be in any Vulkan state except "pending".
discarded: Vec<vk::CommandBuffer>,
/// If this is true, the active renderpass enabled a debug span,
/// and needs to be disabled on renderpass close.
rpass_debug_marker_active: bool,
/// If set, the end of the next render/compute pass will write a timestamp at
/// the given pool & location.
end_of_pass_timer_query: Option<(vk::QueryPool, u32)>,
}
impl CommandEncoder {
/// # Safety
///
/// - The command buffer handle must not be manually destroyed
pub unsafe fn raw_handle(&self) -> vk::CommandBuffer {
self.active
}
}
impl fmt::Debug for CommandEncoder {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("CommandEncoder")
.field("raw", &self.raw)
.finish()
}
}
#[derive(Debug)]
pub struct CommandBuffer {
raw: vk::CommandBuffer,
}
impl crate::DynCommandBuffer for CommandBuffer {}
#[derive(Debug)]
#[allow(clippy::large_enum_variant)]
pub enum ShaderModule {
Raw(vk::ShaderModule),
Intermediate {
naga_shader: crate::NagaShader,
runtime_checks: bool,
},
}
impl crate::DynShaderModule for ShaderModule {}
#[derive(Debug)]
pub struct RenderPipeline {
raw: vk::Pipeline,
}
impl crate::DynRenderPipeline for RenderPipeline {}
#[derive(Debug)]
pub struct ComputePipeline {
raw: vk::Pipeline,
}
impl crate::DynComputePipeline for ComputePipeline {}
#[derive(Debug)]
pub struct PipelineCache {
raw: vk::PipelineCache,
}
impl crate::DynPipelineCache for PipelineCache {}
#[derive(Debug)]
pub struct QuerySet {
raw: vk::QueryPool,
}
impl crate::DynQuerySet for QuerySet {}
/// The [`Api::Fence`] type for [`vulkan::Api`].
///
/// This is an `enum` because there are two possible implementations of
/// `wgpu-hal` fences on Vulkan: Vulkan fences, which work on any version of
/// Vulkan, and Vulkan timeline semaphores, which are easier and cheaper but
/// require non-1.0 features.
///
/// [`Device::create_fence`] returns a [`TimelineSemaphore`] if
/// [`VK_KHR_timeline_semaphore`] is available and enabled, and a [`FencePool`]
/// otherwise.
///
/// [`Api::Fence`]: crate::Api::Fence
/// [`vulkan::Api`]: Api
/// [`Device::create_fence`]: crate::Device::create_fence
/// [`TimelineSemaphore`]: Fence::TimelineSemaphore
/// [`VK_KHR_timeline_semaphore`]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#VK_KHR_timeline_semaphore
/// [`FencePool`]: Fence::FencePool
#[derive(Debug)]
pub enum Fence {
/// A Vulkan [timeline semaphore].
///
/// These are simpler to use than Vulkan fences, since timeline semaphores
/// work exactly the way [`wpgu_hal::Api::Fence`] is specified to work.
///
/// [timeline semaphore]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#synchronization-semaphores
/// [`wpgu_hal::Api::Fence`]: crate::Api::Fence
TimelineSemaphore(vk::Semaphore),
/// A collection of Vulkan [fence]s, each associated with a [`FenceValue`].
///
/// The effective [`FenceValue`] of this variant is the greater of
/// `last_completed` and the maximum value associated with a signalled fence
/// in `active`.
///
/// Fences are available in all versions of Vulkan, but since they only have
/// two states, "signaled" and "unsignaled", we need to use a separate fence
/// for each queue submission we might want to wait for, and remember which
/// [`FenceValue`] each one represents.
///
/// [fence]: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#synchronization-fences
/// [`FenceValue`]: crate::FenceValue
FencePool {
last_completed: crate::FenceValue,
/// The pending fence values have to be ascending.
active: Vec<(crate::FenceValue, vk::Fence)>,
free: Vec<vk::Fence>,
},
}
impl crate::DynFence for Fence {}
impl Fence {
/// Return the highest [`FenceValue`] among the signalled fences in `active`.
///
/// As an optimization, assume that we already know that the fence has
/// reached `last_completed`, and don't bother checking fences whose values
/// are less than that: those fences remain in the `active` array only
/// because we haven't called `maintain` yet to clean them up.
///
/// [`FenceValue`]: crate::FenceValue
fn check_active(
device: &ash::Device,
mut last_completed: crate::FenceValue,
active: &[(crate::FenceValue, vk::Fence)],
) -> Result<crate::FenceValue, crate::DeviceError> {
for &(value, raw) in active.iter() {
unsafe {
if value > last_completed
&& device
.get_fence_status(raw)
.map_err(map_host_device_oom_and_lost_err)?
{
last_completed = value;
}
}
}
Ok(last_completed)
}
/// Return the highest signalled [`FenceValue`] for `self`.
///
/// [`FenceValue`]: crate::FenceValue
fn get_latest(
&self,
device: &ash::Device,
extension: Option<&ExtensionFn<khr::timeline_semaphore::Device>>,
) -> Result<crate::FenceValue, crate::DeviceError> {
match *self {
Self::TimelineSemaphore(raw) => unsafe {
Ok(match *extension.unwrap() {
ExtensionFn::Extension(ref ext) => ext
.get_semaphore_counter_value(raw)
.map_err(map_host_device_oom_and_lost_err)?,
ExtensionFn::Promoted => device
.get_semaphore_counter_value(raw)
.map_err(map_host_device_oom_and_lost_err)?,
})
},
Self::FencePool {
last_completed,
ref active,
free: _,
} => Self::check_active(device, last_completed, active),
}
}
/// Trim the internal state of this [`Fence`].
///
/// This function has no externally visible effect, but you should call it
/// periodically to keep this fence's resource consumption under control.
///
/// For fences using the [`FencePool`] implementation, this function
/// recycles fences that have been signaled. If you don't call this,
/// [`Queue::submit`] will just keep allocating a new Vulkan fence every
/// time it's called.
///
/// [`FencePool`]: Fence::FencePool
/// [`Queue::submit`]: crate::Queue::submit
fn maintain(&mut self, device: &ash::Device) -> Result<(), crate::DeviceError> {
match *self {
Self::TimelineSemaphore(_) => {}
Self::FencePool {
ref mut last_completed,
ref mut active,
ref mut free,
} => {
let latest = Self::check_active(device, *last_completed, active)?;
let base_free = free.len();
for &(value, raw) in active.iter() {
if value <= latest {
free.push(raw);
}
}
if free.len() != base_free {
active.retain(|&(value, _)| value > latest);
unsafe { device.reset_fences(&free[base_free..]) }
.map_err(map_device_oom_err)?
}
*last_completed = latest;
}
}
Ok(())
}
}
impl crate::Queue for Queue {
type A = Api;
unsafe fn submit(
&self,
command_buffers: &[&CommandBuffer],
surface_textures: &[&SurfaceTexture],
(signal_fence, signal_value): (&mut Fence, crate::FenceValue),
) -> Result<(), crate::DeviceError> {
let mut fence_raw = vk::Fence::null();
let mut wait_stage_masks = Vec::new();
let mut wait_semaphores = Vec::new();
let mut signal_semaphores = Vec::new();
let mut signal_values = Vec::new();
// Double check that the same swapchain image isn't being given to us multiple times,
// as that will deadlock when we try to lock them all.
debug_assert!(
{
let mut check = HashSet::with_capacity(surface_textures.len());
// We compare the Arcs by pointer, as Eq isn't well defined for SurfaceSemaphores.
for st in surface_textures {
check.insert(Arc::as_ptr(&st.surface_semaphores));
}
check.len() == surface_textures.len()
},
"More than one surface texture is being used from the same swapchain. This will cause a deadlock in release."
);
let locked_swapchain_semaphores = surface_textures
.iter()
.map(|st| {
st.surface_semaphores
.try_lock()
.expect("Failed to lock surface semaphore.")
})
.collect::<Vec<_>>();
for mut swapchain_semaphore in locked_swapchain_semaphores {
swapchain_semaphore.set_used_fence_value(signal_value);
// If we're the first submission to operate on this image, wait on
// its acquire semaphore, to make sure the presentation engine is
// done with it.
if let Some(sem) = swapchain_semaphore.get_acquire_wait_semaphore() {
wait_stage_masks.push(vk::PipelineStageFlags::TOP_OF_PIPE);
wait_semaphores.push(sem);
}
// Get a semaphore to signal when we're done writing to this surface
// image. Presentation of this image will wait for this.
let signal_semaphore = swapchain_semaphore.get_submit_signal_semaphore(&self.device)?;
signal_semaphores.push(signal_semaphore);
signal_values.push(!0);
}
// In order for submissions to be strictly ordered, we encode a dependency between each submission
// using a pair of semaphores. This adds a wait if it is needed, and signals the next semaphore.
let semaphore_state = self.relay_semaphores.lock().advance(&self.device)?;
if let Some(sem) = semaphore_state.wait {
wait_stage_masks.push(vk::PipelineStageFlags::TOP_OF_PIPE);
wait_semaphores.push(sem);
}
signal_semaphores.push(semaphore_state.signal);
signal_values.push(!0);
// We need to signal our wgpu::Fence if we have one, this adds it to the signal list.
signal_fence.maintain(&self.device.raw)?;
match *signal_fence {
Fence::TimelineSemaphore(raw) => {
signal_semaphores.push(raw);
signal_values.push(signal_value);
}
Fence::FencePool {
ref mut active,
ref mut free,
..
} => {
fence_raw = match free.pop() {
Some(raw) => raw,
None => unsafe {
self.device
.raw
.create_fence(&vk::FenceCreateInfo::default(), None)
.map_err(map_host_device_oom_err)?
},
};
active.push((signal_value, fence_raw));
}
}
let vk_cmd_buffers = command_buffers
.iter()
.map(|cmd| cmd.raw)
.collect::<Vec<_>>();
let mut vk_info = vk::SubmitInfo::default().command_buffers(&vk_cmd_buffers);
vk_info = vk_info
.wait_semaphores(&wait_semaphores)
.wait_dst_stage_mask(&wait_stage_masks)
.signal_semaphores(&signal_semaphores);
let mut vk_timeline_info;
if self.device.private_caps.timeline_semaphores {
vk_timeline_info =
vk::TimelineSemaphoreSubmitInfo::default().signal_semaphore_values(&signal_values);
vk_info = vk_info.push_next(&mut vk_timeline_info);
}
profiling::scope!("vkQueueSubmit");
unsafe {
self.device
.raw
.queue_submit(self.raw, &[vk_info], fence_raw)
.map_err(map_host_device_oom_and_lost_err)?
};
Ok(())
}
unsafe fn present(
&self,
surface: &Surface,
texture: SurfaceTexture,
) -> Result<(), crate::SurfaceError> {
let mut swapchain = surface.swapchain.write();
let ssc = swapchain.as_mut().unwrap();
let mut swapchain_semaphores = texture.surface_semaphores.lock();
let swapchains = [ssc.raw];
let image_indices = [texture.index];
let vk_info = vk::PresentInfoKHR::default()
.swapchains(&swapchains)
.image_indices(&image_indices)
.wait_semaphores(swapchain_semaphores.get_present_wait_semaphores());
let mut display_timing;
let present_times;
let vk_info = if let Some(present_time) = ssc.next_present_time.take() {
debug_assert!(
ssc.device
.features
.contains(wgt::Features::VULKAN_GOOGLE_DISPLAY_TIMING),
"`next_present_time` should only be set if `VULKAN_GOOGLE_DISPLAY_TIMING` is enabled"
);
present_times = [present_time];
display_timing = vk::PresentTimesInfoGOOGLE::default().times(&present_times);
// SAFETY: We know that VK_GOOGLE_display_timing is present because of the safety contract on `next_present_time`.
vk_info.push_next(&mut display_timing)
} else {
vk_info
};
let suboptimal = {
profiling::scope!("vkQueuePresentKHR");
unsafe { self.swapchain_fn.queue_present(self.raw, &vk_info) }.map_err(|error| {
match error {
vk::Result::ERROR_OUT_OF_DATE_KHR => crate::SurfaceError::Outdated,
vk::Result::ERROR_SURFACE_LOST_KHR => crate::SurfaceError::Lost,
// We don't use VK_EXT_full_screen_exclusive
// VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT
_ => map_host_device_oom_and_lost_err(error).into(),
}
})?
};
if suboptimal {
// We treat `VK_SUBOPTIMAL_KHR` as `VK_SUCCESS` on Android.
// On Android 10+, libvulkan's `vkQueuePresentKHR` implementation returns `VK_SUBOPTIMAL_KHR` if not doing pre-rotation
// (i.e `VkSwapchainCreateInfoKHR::preTransform` not being equal to the current device orientation).
// This is always the case when the device orientation is anything other than the identity one, as we unconditionally use `VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR`.
#[cfg(not(target_os = "android"))]
log::warn!("Suboptimal present of frame {}", texture.index);
}
Ok(())
}
unsafe fn get_timestamp_period(&self) -> f32 {
self.device.timestamp_period
}
}
/// Maps
///
/// - VK_ERROR_OUT_OF_HOST_MEMORY
/// - VK_ERROR_OUT_OF_DEVICE_MEMORY
fn map_host_device_oom_err(err: vk::Result) -> crate::DeviceError {
match err {
vk::Result::ERROR_OUT_OF_HOST_MEMORY | vk::Result::ERROR_OUT_OF_DEVICE_MEMORY => {
get_oom_err(err)
}
e => get_unexpected_err(e),
}
}
/// Maps
///
/// - VK_ERROR_OUT_OF_HOST_MEMORY
/// - VK_ERROR_OUT_OF_DEVICE_MEMORY
/// - VK_ERROR_DEVICE_LOST
fn map_host_device_oom_and_lost_err(err: vk::Result) -> crate::DeviceError {
match err {
vk::Result::ERROR_DEVICE_LOST => get_lost_err(),
other => map_host_device_oom_err(other),
}
}
/// Maps
///
/// - VK_ERROR_OUT_OF_HOST_MEMORY
/// - VK_ERROR_OUT_OF_DEVICE_MEMORY
/// - VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS_KHR
fn map_host_device_oom_and_ioca_err(err: vk::Result) -> crate::DeviceError {
// We don't use VK_KHR_buffer_device_address
// VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS_KHR
map_host_device_oom_err(err)
}
/// Maps
///
/// - VK_ERROR_OUT_OF_HOST_MEMORY
fn map_host_oom_err(err: vk::Result) -> crate::DeviceError {
match err {
vk::Result::ERROR_OUT_OF_HOST_MEMORY => get_oom_err(err),
e => get_unexpected_err(e),
}
}
/// Maps
///
/// - VK_ERROR_OUT_OF_DEVICE_MEMORY
fn map_device_oom_err(err: vk::Result) -> crate::DeviceError {
match err {
vk::Result::ERROR_OUT_OF_DEVICE_MEMORY => get_oom_err(err),
e => get_unexpected_err(e),
}
}
/// Maps
///
/// - VK_ERROR_OUT_OF_HOST_MEMORY
/// - VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS_KHR
fn map_host_oom_and_ioca_err(err: vk::Result) -> crate::DeviceError {
// We don't use VK_KHR_buffer_device_address
// VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS_KHR
map_host_oom_err(err)
}
/// Maps
///
/// - VK_ERROR_OUT_OF_HOST_MEMORY
/// - VK_ERROR_OUT_OF_DEVICE_MEMORY
/// - VK_PIPELINE_COMPILE_REQUIRED_EXT
/// - VK_ERROR_INVALID_SHADER_NV
fn map_pipeline_err(err: vk::Result) -> crate::DeviceError {
// We don't use VK_EXT_pipeline_creation_cache_control
// VK_PIPELINE_COMPILE_REQUIRED_EXT
// We don't use VK_NV_glsl_shader
// VK_ERROR_INVALID_SHADER_NV
map_host_device_oom_err(err)
}
/// Returns [`crate::DeviceError::Unexpected`] or panics if the `internal_error_panic`
/// feature flag is enabled.
fn get_unexpected_err(_err: vk::Result) -> crate::DeviceError {
#[cfg(feature = "internal_error_panic")]
panic!("Unexpected Vulkan error: {_err:?}");
#[allow(unreachable_code)]
crate::DeviceError::Unexpected
}
/// Returns [`crate::DeviceError::OutOfMemory`] or panics if the `oom_panic`
/// feature flag is enabled.
fn get_oom_err(_err: vk::Result) -> crate::DeviceError {
#[cfg(feature = "oom_panic")]
panic!("Out of memory ({_err:?})");
#[allow(unreachable_code)]
crate::DeviceError::OutOfMemory
}
/// Returns [`crate::DeviceError::Lost`] or panics if the `device_lost_panic`
/// feature flag is enabled.
fn get_lost_err() -> crate::DeviceError {
#[cfg(feature = "device_lost_panic")]
panic!("Device lost");
#[allow(unreachable_code)]
crate::DeviceError::Lost
}