{-# language CPP #-} -- | = Name -- -- VK_EXT_calibrated_timestamps - device extension -- -- == VK_EXT_calibrated_timestamps -- -- [__Name String__] -- @VK_EXT_calibrated_timestamps@ -- -- [__Extension Type__] -- Device extension -- -- [__Registered Extension Number__] -- 185 -- -- [__Revision__] -- 2 -- -- [__Ratification Status__] -- Not ratified -- -- [__Extension and Version Dependencies__] -- -- or -- -- -- [__Contact__] -- -- - Daniel Rakos -- -- -- [__Extension Proposal__] -- -- -- == Other Extension Metadata -- -- [__Last Modified Date__] -- 2018-10-04 -- -- [__IP Status__] -- No known IP claims. -- -- [__Contributors__] -- -- - Matthaeus G. Chajdas, AMD -- -- - Alan Harrison, AMD -- -- - Derrick Owens, AMD -- -- - Daniel Rakos, AMD -- -- - Faith Ekstrand, Intel -- -- - Keith Packard, Valve -- -- == Description -- -- This extension provides an interface to query calibrated timestamps -- obtained quasi simultaneously from two time domains. -- -- == New Commands -- -- - 'getCalibratedTimestampsEXT' -- -- - 'getPhysicalDeviceCalibrateableTimeDomainsEXT' -- -- == New Structures -- -- - 'CalibratedTimestampInfoEXT' -- -- == New Enums -- -- - 'TimeDomainEXT' -- -- == New Enum Constants -- -- - 'EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME' -- -- - 'EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION' -- -- - Extending 'Vulkan.Core10.Enums.StructureType.StructureType': -- -- - 'Vulkan.Core10.Enums.StructureType.STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_EXT' -- -- == Version History -- -- - Revision 2, 2021-03-16 (Lionel Landwerlin) -- -- - Specify requirement on device timestamps -- -- - Revision 1, 2018-10-04 (Daniel Rakos) -- -- - Internal revisions. -- -- == See Also -- -- 'CalibratedTimestampInfoEXT', 'TimeDomainEXT', -- 'getCalibratedTimestampsEXT', -- 'getPhysicalDeviceCalibrateableTimeDomainsEXT' -- -- == Document Notes -- -- For more information, see the -- -- -- This page is a generated document. Fixes and changes should be made to -- the generator scripts, not directly. module Vulkan.Extensions.VK_EXT_calibrated_timestamps ( getPhysicalDeviceCalibrateableTimeDomainsEXT , getCalibratedTimestampsEXT , CalibratedTimestampInfoEXT(..) , TimeDomainEXT( TIME_DOMAIN_DEVICE_EXT , TIME_DOMAIN_CLOCK_MONOTONIC_EXT , TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT , TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT , .. ) , EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION , pattern EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION , EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME , pattern EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME ) where import Vulkan.Internal.Utils (enumReadPrec) import Vulkan.Internal.Utils (enumShowsPrec) import Vulkan.Internal.Utils (traceAroundEvent) import Control.Exception.Base (bracket) import Control.Monad (unless) import Control.Monad.IO.Class (liftIO) import Foreign.Marshal.Alloc (allocaBytes) import Foreign.Marshal.Alloc (callocBytes) import Foreign.Marshal.Alloc (free) import GHC.Base (when) import GHC.IO (throwIO) import GHC.Ptr (nullFunPtr) import Foreign.Ptr (nullPtr) import Foreign.Ptr (plusPtr) import GHC.Show (showsPrec) import Control.Monad.Trans.Class (lift) import Control.Monad.Trans.Cont (evalContT) import Data.Vector (generateM) import qualified Data.Vector (imapM_) import qualified Data.Vector (length) import Vulkan.CStruct (FromCStruct) import Vulkan.CStruct (FromCStruct(..)) import Vulkan.CStruct (ToCStruct) import Vulkan.CStruct (ToCStruct(..)) import Vulkan.Zero (Zero) import Vulkan.Zero (Zero(..)) import Control.Monad.IO.Class (MonadIO) import Data.String (IsString) import Data.Typeable (Typeable) import Foreign.Storable (Storable) import Foreign.Storable (Storable(peek)) import Foreign.Storable (Storable(poke)) import qualified Foreign.Storable (Storable(..)) import GHC.Generics (Generic) import GHC.IO.Exception (IOErrorType(..)) import GHC.IO.Exception (IOException(..)) import Data.Int (Int32) import Foreign.Ptr (FunPtr) import Foreign.Ptr (Ptr) import GHC.Read (Read(readPrec)) import GHC.Show (Show(showsPrec)) import Data.Word (Word32) import Data.Word (Word64) import Data.Kind (Type) import Control.Monad.Trans.Cont (ContT(..)) import Data.Vector (Vector) import Vulkan.CStruct.Utils (advancePtrBytes) import Vulkan.NamedType ((:::)) import Vulkan.Core10.Handles (Device) import Vulkan.Core10.Handles (Device(..)) import Vulkan.Core10.Handles (Device(Device)) import Vulkan.Dynamic (DeviceCmds(pVkGetCalibratedTimestampsEXT)) import Vulkan.Core10.Handles (Device_T) import Vulkan.Dynamic (InstanceCmds(pVkGetPhysicalDeviceCalibrateableTimeDomainsEXT)) import Vulkan.Core10.Handles (PhysicalDevice) import Vulkan.Core10.Handles (PhysicalDevice(..)) import Vulkan.Core10.Handles (PhysicalDevice(PhysicalDevice)) import Vulkan.Core10.Handles (PhysicalDevice_T) import Vulkan.Core10.Enums.Result (Result) import Vulkan.Core10.Enums.Result (Result(..)) import Vulkan.Core10.Enums.StructureType (StructureType) import Vulkan.Exception (VulkanException(..)) import Vulkan.Core10.Enums.StructureType (StructureType(STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_EXT)) import Vulkan.Core10.Enums.Result (Result(SUCCESS)) foreign import ccall #if !defined(SAFE_FOREIGN_CALLS) unsafe #endif "dynamic" mkVkGetPhysicalDeviceCalibrateableTimeDomainsEXT :: FunPtr (Ptr PhysicalDevice_T -> Ptr Word32 -> Ptr TimeDomainEXT -> IO Result) -> Ptr PhysicalDevice_T -> Ptr Word32 -> Ptr TimeDomainEXT -> IO Result -- | vkGetPhysicalDeviceCalibrateableTimeDomainsEXT - Query calibrateable -- time domains -- -- = Description -- -- If @pTimeDomains@ is @NULL@, then the number of calibrateable time -- domains supported for the given @physicalDevice@ is returned in -- @pTimeDomainCount@. Otherwise, @pTimeDomainCount@ /must/ point to a -- variable set by the user to the number of elements in the @pTimeDomains@ -- array, and on return the variable is overwritten with the number of -- values actually written to @pTimeDomains@. If the value of -- @pTimeDomainCount@ is less than the number of calibrateable time domains -- supported, at most @pTimeDomainCount@ values will be written to -- @pTimeDomains@, and 'Vulkan.Core10.Enums.Result.INCOMPLETE' will be -- returned instead of 'Vulkan.Core10.Enums.Result.SUCCESS', to indicate -- that not all the available time domains were returned. -- -- == Valid Usage (Implicit) -- -- - #VUID-vkGetPhysicalDeviceCalibrateableTimeDomainsEXT-physicalDevice-parameter# -- @physicalDevice@ /must/ be a valid -- 'Vulkan.Core10.Handles.PhysicalDevice' handle -- -- - #VUID-vkGetPhysicalDeviceCalibrateableTimeDomainsEXT-pTimeDomainCount-parameter# -- @pTimeDomainCount@ /must/ be a valid pointer to a @uint32_t@ value -- -- - #VUID-vkGetPhysicalDeviceCalibrateableTimeDomainsEXT-pTimeDomains-parameter# -- If the value referenced by @pTimeDomainCount@ is not @0@, and -- @pTimeDomains@ is not @NULL@, @pTimeDomains@ /must/ be a valid -- pointer to an array of @pTimeDomainCount@ 'TimeDomainEXT' values -- -- == Return Codes -- -- [] -- -- - 'Vulkan.Core10.Enums.Result.SUCCESS' -- -- - 'Vulkan.Core10.Enums.Result.INCOMPLETE' -- -- [] -- -- - 'Vulkan.Core10.Enums.Result.ERROR_OUT_OF_HOST_MEMORY' -- -- - 'Vulkan.Core10.Enums.Result.ERROR_OUT_OF_DEVICE_MEMORY' -- -- = See Also -- -- , -- 'Vulkan.Core10.Handles.PhysicalDevice', 'TimeDomainEXT' getPhysicalDeviceCalibrateableTimeDomainsEXT :: forall io . (MonadIO io) => -- | @physicalDevice@ is the physical device from which to query the set of -- calibrateable time domains. PhysicalDevice -> io (Result, ("timeDomains" ::: Vector TimeDomainEXT)) getPhysicalDeviceCalibrateableTimeDomainsEXT physicalDevice = liftIO . evalContT $ do let vkGetPhysicalDeviceCalibrateableTimeDomainsEXTPtr = pVkGetPhysicalDeviceCalibrateableTimeDomainsEXT (case physicalDevice of PhysicalDevice{instanceCmds} -> instanceCmds) lift $ unless (vkGetPhysicalDeviceCalibrateableTimeDomainsEXTPtr /= nullFunPtr) $ throwIO $ IOError Nothing InvalidArgument "" "The function pointer for vkGetPhysicalDeviceCalibrateableTimeDomainsEXT is null" Nothing Nothing let vkGetPhysicalDeviceCalibrateableTimeDomainsEXT' = mkVkGetPhysicalDeviceCalibrateableTimeDomainsEXT vkGetPhysicalDeviceCalibrateableTimeDomainsEXTPtr let physicalDevice' = physicalDeviceHandle (physicalDevice) pPTimeDomainCount <- ContT $ bracket (callocBytes @Word32 4) free r <- lift $ traceAroundEvent "vkGetPhysicalDeviceCalibrateableTimeDomainsEXT" (vkGetPhysicalDeviceCalibrateableTimeDomainsEXT' physicalDevice' (pPTimeDomainCount) (nullPtr)) lift $ when (r < SUCCESS) (throwIO (VulkanException r)) pTimeDomainCount <- lift $ peek @Word32 pPTimeDomainCount pPTimeDomains <- ContT $ bracket (callocBytes @TimeDomainEXT ((fromIntegral (pTimeDomainCount)) * 4)) free r' <- lift $ traceAroundEvent "vkGetPhysicalDeviceCalibrateableTimeDomainsEXT" (vkGetPhysicalDeviceCalibrateableTimeDomainsEXT' physicalDevice' (pPTimeDomainCount) (pPTimeDomains)) lift $ when (r' < SUCCESS) (throwIO (VulkanException r')) pTimeDomainCount' <- lift $ peek @Word32 pPTimeDomainCount pTimeDomains' <- lift $ generateM (fromIntegral (pTimeDomainCount')) (\i -> peek @TimeDomainEXT ((pPTimeDomains `advancePtrBytes` (4 * (i)) :: Ptr TimeDomainEXT))) pure $ ((r'), pTimeDomains') foreign import ccall #if !defined(SAFE_FOREIGN_CALLS) unsafe #endif "dynamic" mkVkGetCalibratedTimestampsEXT :: FunPtr (Ptr Device_T -> Word32 -> Ptr CalibratedTimestampInfoEXT -> Ptr Word64 -> Ptr Word64 -> IO Result) -> Ptr Device_T -> Word32 -> Ptr CalibratedTimestampInfoEXT -> Ptr Word64 -> Ptr Word64 -> IO Result -- | vkGetCalibratedTimestampsEXT - Query calibrated timestamps -- -- = Description -- -- Note -- -- The maximum deviation /may/ vary between calls to -- 'getCalibratedTimestampsEXT' even for the same set of time domains due -- to implementation and platform specific reasons. It is the application’s -- responsibility to assess whether the returned maximum deviation makes -- the timestamp values suitable for any particular purpose and /can/ -- choose to re-issue the timestamp calibration call pursuing a lower -- deviation value. -- -- Calibrated timestamp values /can/ be extrapolated to estimate future -- coinciding timestamp values, however, depending on the nature of the -- time domains and other properties of the platform extrapolating values -- over a sufficiently long period of time /may/ no longer be accurate -- enough to fit any particular purpose, so applications are expected to -- re-calibrate the timestamps on a regular basis. -- -- == Valid Usage -- -- - #VUID-vkGetCalibratedTimestampsEXT-timeDomain-09246# The -- @timeDomain@ value of each 'CalibratedTimestampInfoEXT' in -- @pTimestampInfos@ /must/ be unique -- -- == Valid Usage (Implicit) -- -- - #VUID-vkGetCalibratedTimestampsEXT-device-parameter# @device@ /must/ -- be a valid 'Vulkan.Core10.Handles.Device' handle -- -- - #VUID-vkGetCalibratedTimestampsEXT-pTimestampInfos-parameter# -- @pTimestampInfos@ /must/ be a valid pointer to an array of -- @timestampCount@ valid 'CalibratedTimestampInfoEXT' structures -- -- - #VUID-vkGetCalibratedTimestampsEXT-pTimestamps-parameter# -- @pTimestamps@ /must/ be a valid pointer to an array of -- @timestampCount@ @uint64_t@ values -- -- - #VUID-vkGetCalibratedTimestampsEXT-pMaxDeviation-parameter# -- @pMaxDeviation@ /must/ be a valid pointer to a @uint64_t@ value -- -- - #VUID-vkGetCalibratedTimestampsEXT-timestampCount-arraylength# -- @timestampCount@ /must/ be greater than @0@ -- -- == Return Codes -- -- [] -- -- - 'Vulkan.Core10.Enums.Result.SUCCESS' -- -- [] -- -- - 'Vulkan.Core10.Enums.Result.ERROR_OUT_OF_HOST_MEMORY' -- -- - 'Vulkan.Core10.Enums.Result.ERROR_OUT_OF_DEVICE_MEMORY' -- -- = See Also -- -- , -- 'CalibratedTimestampInfoEXT', 'Vulkan.Core10.Handles.Device' getCalibratedTimestampsEXT :: forall io . (MonadIO io) => -- | @device@ is the logical device used to perform the query. Device -> -- | @pTimestampInfos@ is a pointer to an array of @timestampCount@ -- 'CalibratedTimestampInfoEXT' structures, describing the time domains the -- calibrated timestamps should be captured from. ("timestampInfos" ::: Vector CalibratedTimestampInfoEXT) -> io (("timestamps" ::: Vector Word64), ("maxDeviation" ::: Word64)) getCalibratedTimestampsEXT device timestampInfos = liftIO . evalContT $ do let vkGetCalibratedTimestampsEXTPtr = pVkGetCalibratedTimestampsEXT (case device of Device{deviceCmds} -> deviceCmds) lift $ unless (vkGetCalibratedTimestampsEXTPtr /= nullFunPtr) $ throwIO $ IOError Nothing InvalidArgument "" "The function pointer for vkGetCalibratedTimestampsEXT is null" Nothing Nothing let vkGetCalibratedTimestampsEXT' = mkVkGetCalibratedTimestampsEXT vkGetCalibratedTimestampsEXTPtr pPTimestampInfos <- ContT $ allocaBytes @CalibratedTimestampInfoEXT ((Data.Vector.length (timestampInfos)) * 24) lift $ Data.Vector.imapM_ (\i e -> poke (pPTimestampInfos `plusPtr` (24 * (i)) :: Ptr CalibratedTimestampInfoEXT) (e)) (timestampInfos) pPTimestamps <- ContT $ bracket (callocBytes @Word64 ((fromIntegral ((fromIntegral (Data.Vector.length $ (timestampInfos)) :: Word32))) * 8)) free pPMaxDeviation <- ContT $ bracket (callocBytes @Word64 8) free r <- lift $ traceAroundEvent "vkGetCalibratedTimestampsEXT" (vkGetCalibratedTimestampsEXT' (deviceHandle (device)) ((fromIntegral (Data.Vector.length $ (timestampInfos)) :: Word32)) (pPTimestampInfos) (pPTimestamps) (pPMaxDeviation)) lift $ when (r < SUCCESS) (throwIO (VulkanException r)) pTimestamps <- lift $ generateM (fromIntegral ((fromIntegral (Data.Vector.length $ (timestampInfos)) :: Word32))) (\i -> peek @Word64 ((pPTimestamps `advancePtrBytes` (8 * (i)) :: Ptr Word64))) pMaxDeviation <- lift $ peek @Word64 pPMaxDeviation pure $ (pTimestamps, pMaxDeviation) -- | VkCalibratedTimestampInfoEXT - Structure specifying the input parameters -- of a calibrated timestamp query -- -- == Valid Usage (Implicit) -- -- = See Also -- -- , -- 'Vulkan.Core10.Enums.StructureType.StructureType', 'TimeDomainEXT', -- 'getCalibratedTimestampsEXT' data CalibratedTimestampInfoEXT = CalibratedTimestampInfoEXT { -- | @timeDomain@ is a 'TimeDomainEXT' value specifying the time domain from -- which the calibrated timestamp value should be returned. -- -- #VUID-VkCalibratedTimestampInfoEXT-timeDomain-02354# @timeDomain@ /must/ -- be one of the 'TimeDomainEXT' values returned by -- 'getPhysicalDeviceCalibrateableTimeDomainsEXT' -- -- #VUID-VkCalibratedTimestampInfoEXT-timeDomain-parameter# @timeDomain@ -- /must/ be a valid 'TimeDomainEXT' value timeDomain :: TimeDomainEXT } deriving (Typeable, Eq) #if defined(GENERIC_INSTANCES) deriving instance Generic (CalibratedTimestampInfoEXT) #endif deriving instance Show CalibratedTimestampInfoEXT instance ToCStruct CalibratedTimestampInfoEXT where withCStruct x f = allocaBytes 24 $ \p -> pokeCStruct p x (f p) pokeCStruct p CalibratedTimestampInfoEXT{..} f = do poke ((p `plusPtr` 0 :: Ptr StructureType)) (STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_EXT) poke ((p `plusPtr` 8 :: Ptr (Ptr ()))) (nullPtr) poke ((p `plusPtr` 16 :: Ptr TimeDomainEXT)) (timeDomain) f cStructSize = 24 cStructAlignment = 8 pokeZeroCStruct p f = do poke ((p `plusPtr` 0 :: Ptr StructureType)) (STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_EXT) poke ((p `plusPtr` 8 :: Ptr (Ptr ()))) (nullPtr) poke ((p `plusPtr` 16 :: Ptr TimeDomainEXT)) (zero) f instance FromCStruct CalibratedTimestampInfoEXT where peekCStruct p = do timeDomain <- peek @TimeDomainEXT ((p `plusPtr` 16 :: Ptr TimeDomainEXT)) pure $ CalibratedTimestampInfoEXT timeDomain instance Storable CalibratedTimestampInfoEXT where sizeOf ~_ = 24 alignment ~_ = 8 peek = peekCStruct poke ptr poked = pokeCStruct ptr poked (pure ()) instance Zero CalibratedTimestampInfoEXT where zero = CalibratedTimestampInfoEXT zero -- | VkTimeDomainEXT - Supported time domains -- -- = Description -- -- Note -- -- An implementation supporting @VK_EXT_calibrated_timestamps@ will use the -- same time domain for all its 'Vulkan.Core10.Handles.Queue' so that -- timestamp values reported for 'TIME_DOMAIN_DEVICE_EXT' can be matched to -- any timestamp captured through -- 'Vulkan.Core10.CommandBufferBuilding.cmdWriteTimestamp' or -- 'Vulkan.Core13.Promoted_From_VK_KHR_synchronization2.cmdWriteTimestamp2' -- . -- -- > struct timespec tv; -- > clock_gettime(CLOCK_MONOTONIC, &tv); -- > return tv.tv_nsec + tv.tv_sec*1000000000ull; -- -- > struct timespec tv; -- > clock_gettime(CLOCK_MONOTONIC_RAW, &tv); -- > return tv.tv_nsec + tv.tv_sec*1000000000ull; -- -- > LARGE_INTEGER counter; -- > QueryPerformanceCounter(&counter); -- > return counter.QuadPart; -- -- = See Also -- -- , -- 'CalibratedTimestampInfoEXT', -- 'getPhysicalDeviceCalibrateableTimeDomainsEXT' newtype TimeDomainEXT = TimeDomainEXT Int32 deriving newtype (Eq, Ord, Storable, Zero) -- | 'TIME_DOMAIN_DEVICE_EXT' specifies the device time domain. Timestamp -- values in this time domain use the same units and are comparable with -- device timestamp values captured using -- 'Vulkan.Core10.CommandBufferBuilding.cmdWriteTimestamp' or -- 'Vulkan.Core13.Promoted_From_VK_KHR_synchronization2.cmdWriteTimestamp2' -- and are defined to be incrementing according to the -- -- of the device. pattern TIME_DOMAIN_DEVICE_EXT = TimeDomainEXT 0 -- | 'TIME_DOMAIN_CLOCK_MONOTONIC_EXT' specifies the CLOCK_MONOTONIC time -- domain available on POSIX platforms. Timestamp values in this time -- domain are in units of nanoseconds and are comparable with platform -- timestamp values captured using the POSIX clock_gettime API as computed -- by this example: pattern TIME_DOMAIN_CLOCK_MONOTONIC_EXT = TimeDomainEXT 1 -- | 'TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT' specifies the CLOCK_MONOTONIC_RAW -- time domain available on POSIX platforms. Timestamp values in this time -- domain are in units of nanoseconds and are comparable with platform -- timestamp values captured using the POSIX clock_gettime API as computed -- by this example: pattern TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT = TimeDomainEXT 2 -- | 'TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT' specifies the performance -- counter (QPC) time domain available on Windows. Timestamp values in this -- time domain are in the same units as those provided by the Windows -- QueryPerformanceCounter API and are comparable with platform timestamp -- values captured using that API as computed by this example: pattern TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT = TimeDomainEXT 3 {-# COMPLETE TIME_DOMAIN_DEVICE_EXT , TIME_DOMAIN_CLOCK_MONOTONIC_EXT , TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT , TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT :: TimeDomainEXT #-} conNameTimeDomainEXT :: String conNameTimeDomainEXT = "TimeDomainEXT" enumPrefixTimeDomainEXT :: String enumPrefixTimeDomainEXT = "TIME_DOMAIN_" showTableTimeDomainEXT :: [(TimeDomainEXT, String)] showTableTimeDomainEXT = [ (TIME_DOMAIN_DEVICE_EXT, "DEVICE_EXT") , ( TIME_DOMAIN_CLOCK_MONOTONIC_EXT , "CLOCK_MONOTONIC_EXT" ) , ( TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT , "CLOCK_MONOTONIC_RAW_EXT" ) , ( TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT , "QUERY_PERFORMANCE_COUNTER_EXT" ) ] instance Show TimeDomainEXT where showsPrec = enumShowsPrec enumPrefixTimeDomainEXT showTableTimeDomainEXT conNameTimeDomainEXT (\(TimeDomainEXT x) -> x) (showsPrec 11) instance Read TimeDomainEXT where readPrec = enumReadPrec enumPrefixTimeDomainEXT showTableTimeDomainEXT conNameTimeDomainEXT TimeDomainEXT type EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION = 2 -- No documentation found for TopLevel "VK_EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION" pattern EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION :: forall a . Integral a => a pattern EXT_CALIBRATED_TIMESTAMPS_SPEC_VERSION = 2 type EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME = "VK_EXT_calibrated_timestamps" -- No documentation found for TopLevel "VK_EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME" pattern EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME :: forall a . (Eq a, IsString a) => a pattern EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME = "VK_EXT_calibrated_timestamps"