Projekt-Grafika-Komputerowa/dependencies/physx-4.1/source/pvd/src/PxProfileEvents.h
2022-01-23 19:43:27 +01:00

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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
#ifndef PXPVDSDK_PXPROFILEEVENTS_H
#define PXPVDSDK_PXPROFILEEVENTS_H
#include "foundation/PxMath.h"
#include "foundation/PxAssert.h"
#include "PxProfileEventId.h"
#define PX_PROFILE_UNION_1(a) physx::profile::TUnion<a, physx::profile::Empty>
#define PX_PROFILE_UNION_2(a,b) physx::profile::TUnion<a, PX_PROFILE_UNION_1(b)>
#define PX_PROFILE_UNION_3(a,b,c) physx::profile::TUnion<a, PX_PROFILE_UNION_2(b,c)>
#define PX_PROFILE_UNION_4(a,b,c,d) physx::profile::TUnion<a, PX_PROFILE_UNION_3(b,c,d)>
#define PX_PROFILE_UNION_5(a,b,c,d,e) physx::profile::TUnion<a, PX_PROFILE_UNION_4(b,c,d,e)>
#define PX_PROFILE_UNION_6(a,b,c,d,e,f) physx::profile::TUnion<a, PX_PROFILE_UNION_5(b,c,d,e,f)>
#define PX_PROFILE_UNION_7(a,b,c,d,e,f,g) physx::profile::TUnion<a, PX_PROFILE_UNION_6(b,c,d,e,f,g)>
#define PX_PROFILE_UNION_8(a,b,c,d,e,f,g,h) physx::profile::TUnion<a, PX_PROFILE_UNION_7(b,c,d,e,f,g,h)>
#define PX_PROFILE_UNION_9(a,b,c,d,e,f,g,h,i) physx::profile::TUnion<a, PX_PROFILE_UNION_8(b,c,d,e,f,g,h,i)>
namespace physx { namespace profile {
struct Empty {};
template <typename T> struct Type2Type {};
template <typename U, typename V>
union TUnion
{
typedef U Head;
typedef V Tail;
Head head;
Tail tail;
template <typename TDataType>
void init(const TDataType& inData)
{
toType(Type2Type<TDataType>()).init(inData);
}
template <typename TDataType>
PX_FORCE_INLINE TDataType& toType(const Type2Type<TDataType>& outData) { return tail.toType(outData); }
PX_FORCE_INLINE Head& toType(const Type2Type<Head>&) { return head; }
template <typename TDataType>
PX_FORCE_INLINE const TDataType& toType(const Type2Type<TDataType>& outData) const { return tail.toType(outData); }
PX_FORCE_INLINE const Head& toType(const Type2Type<Head>&) const { return head; }
};
struct EventTypes
{
enum Enum
{
Unknown = 0,
StartEvent,
StopEvent,
RelativeStartEvent, //reuses context,id from the earlier event.
RelativeStopEvent, //reuses context,id from the earlier event.
EventValue,
CUDAProfileBuffer //obsolete, placeholder to skip data from PhysX SDKs < 3.4
};
};
struct EventStreamCompressionFlags
{
enum Enum
{
U8 = 0,
U16 = 1,
U32 = 2,
U64 = 3,
CompressionMask = 3
};
};
#if (PX_PS4) || (PX_APPLE_FAMILY)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wimplicit-fallthrough"
#endif
//Find the smallest value that will represent the incoming value without loss.
//We can enlarge the current compression value, but we can't make is smaller.
//In this way, we can use this function to find the smallest compression setting
//that will work for a set of values.
inline EventStreamCompressionFlags::Enum findCompressionValue( uint64_t inValue, EventStreamCompressionFlags::Enum inCurrentCompressionValue = EventStreamCompressionFlags::U8 )
{
PX_ASSERT_WITH_MESSAGE( (inCurrentCompressionValue >= EventStreamCompressionFlags::U8) &&
(inCurrentCompressionValue <= EventStreamCompressionFlags::U64),
"Invalid inCurrentCompressionValue in profile::findCompressionValue");
//Fallthrough is intentional
switch( inCurrentCompressionValue )
{
case EventStreamCompressionFlags::U8:
if ( inValue <= UINT8_MAX )
return EventStreamCompressionFlags::U8;
case EventStreamCompressionFlags::U16:
if ( inValue <= UINT16_MAX )
return EventStreamCompressionFlags::U16;
case EventStreamCompressionFlags::U32:
if ( inValue <= UINT32_MAX )
return EventStreamCompressionFlags::U32;
case EventStreamCompressionFlags::U64:
break;
}
return EventStreamCompressionFlags::U64;
}
//Find the smallest value that will represent the incoming value without loss.
//We can enlarge the current compression value, but we can't make is smaller.
//In this way, we can use this function to find the smallest compression setting
//that will work for a set of values.
inline EventStreamCompressionFlags::Enum findCompressionValue( uint32_t inValue, EventStreamCompressionFlags::Enum inCurrentCompressionValue = EventStreamCompressionFlags::U8 )
{
PX_ASSERT_WITH_MESSAGE( (inCurrentCompressionValue >= EventStreamCompressionFlags::U8) &&
(inCurrentCompressionValue <= EventStreamCompressionFlags::U64),
"Invalid inCurrentCompressionValue in profile::findCompressionValue");
//Fallthrough is intentional
switch( inCurrentCompressionValue )
{
case EventStreamCompressionFlags::U8:
if ( inValue <= UINT8_MAX )
return EventStreamCompressionFlags::U8;
case EventStreamCompressionFlags::U16:
if ( inValue <= UINT16_MAX )
return EventStreamCompressionFlags::U16;
case EventStreamCompressionFlags::U32:
case EventStreamCompressionFlags::U64:
break;
}
return EventStreamCompressionFlags::U32;
}
#if (PX_PS4) || (PX_APPLE_FAMILY)
#pragma clang diagnostic pop
#endif
//Event header is 32 bytes and precedes all events.
struct EventHeader
{
uint8_t mEventType; //Used to parse the correct event out of the stream
uint8_t mStreamOptions; //Timestamp compression, etc.
uint16_t mEventId; //16 bit per-event-system event id
EventHeader( uint8_t type = 0, uint16_t id = 0 )
: mEventType( type )
, mStreamOptions( uint8_t(-1) )
, mEventId( id )
{
}
EventHeader( EventTypes::Enum type, uint16_t id )
: mEventType( static_cast<uint8_t>( type ) )
, mStreamOptions( uint8_t(-1) )
, mEventId( id )
{
}
EventStreamCompressionFlags::Enum getTimestampCompressionFlags() const
{
return static_cast<EventStreamCompressionFlags::Enum> ( mStreamOptions & EventStreamCompressionFlags::CompressionMask );
}
uint64_t compressTimestamp( uint64_t inLastTimestamp, uint64_t inCurrentTimestamp )
{
mStreamOptions = EventStreamCompressionFlags::U64;
uint64_t retval = inCurrentTimestamp;
if ( inLastTimestamp )
{
retval = inCurrentTimestamp - inLastTimestamp;
EventStreamCompressionFlags::Enum compressionValue = findCompressionValue( retval );
mStreamOptions = static_cast<uint8_t>( compressionValue );
if ( compressionValue == EventStreamCompressionFlags::U64 )
retval = inCurrentTimestamp; //just send the timestamp as is.
}
return retval;
}
uint64_t uncompressTimestamp( uint64_t inLastTimestamp, uint64_t inCurrentTimestamp ) const
{
if ( getTimestampCompressionFlags() != EventStreamCompressionFlags::U64 )
return inLastTimestamp + inCurrentTimestamp;
return inCurrentTimestamp;
}
void setContextIdCompressionFlags( uint64_t inContextId )
{
uint8_t options = static_cast<uint8_t>( findCompressionValue( inContextId ) );
mStreamOptions = uint8_t(mStreamOptions | options << 2);
}
EventStreamCompressionFlags::Enum getContextIdCompressionFlags() const
{
return static_cast< EventStreamCompressionFlags::Enum >( ( mStreamOptions >> 2 ) & EventStreamCompressionFlags::CompressionMask );
}
bool operator==( const EventHeader& inOther ) const
{
return mEventType == inOther.mEventType
&& mStreamOptions == inOther.mStreamOptions
&& mEventId == inOther.mEventId;
}
template<typename TStreamType>
inline uint32_t streamify( TStreamType& inStream )
{
uint32_t writtenSize = inStream.streamify( "EventType", mEventType );
writtenSize += inStream.streamify("StreamOptions", mStreamOptions); //Timestamp compression, etc.
writtenSize += inStream.streamify("EventId", mEventId); //16 bit per-event-system event id
return writtenSize;
}
};
//Declaration of type level getEventType function that maps enumeration event types to datatypes
template<typename TDataType>
inline EventTypes::Enum getEventType() { PX_ASSERT( false ); return EventTypes::Unknown; }
//Relative profile event means this event is sharing the context and thread id
//with the event before it.
struct RelativeProfileEvent
{
uint64_t mTensOfNanoSeconds; //timestamp is in tensOfNanonseconds
void init( uint64_t inTs ) { mTensOfNanoSeconds = inTs; }
void init( const RelativeProfileEvent& inData ) { mTensOfNanoSeconds = inData.mTensOfNanoSeconds; }
bool operator==( const RelativeProfileEvent& other ) const
{
return mTensOfNanoSeconds == other.mTensOfNanoSeconds;
}
template<typename TStreamType>
uint32_t streamify( TStreamType& inStream, const EventHeader& inHeader )
{
return inStream.streamify( "TensOfNanoSeconds", mTensOfNanoSeconds, inHeader.getTimestampCompressionFlags() );
}
uint64_t getTimestamp() const { return mTensOfNanoSeconds; }
void setTimestamp( uint64_t inTs ) { mTensOfNanoSeconds = inTs; }
void setupHeader( EventHeader& inHeader, uint64_t inLastTimestamp )
{
mTensOfNanoSeconds = inHeader.compressTimestamp( inLastTimestamp, mTensOfNanoSeconds );
}
uint32_t getEventSize(const EventHeader& inHeader)
{
uint32_t size = 0;
switch (inHeader.getTimestampCompressionFlags())
{
case EventStreamCompressionFlags::U8:
size = 1;
break;
case EventStreamCompressionFlags::U16:
size = 2;
break;
case EventStreamCompressionFlags::U32:
size = 4;
break;
case EventStreamCompressionFlags::U64:
size = 8;
break;
}
return size;
}
};
//Start version of the relative event.
struct RelativeStartEvent : public RelativeProfileEvent
{
void init( uint64_t inTs = 0 ) { RelativeProfileEvent::init( inTs ); }
void init( const RelativeStartEvent& inData ) { RelativeProfileEvent::init( inData ); }
template<typename THandlerType>
void handle( THandlerType* inHdlr, uint16_t eventId, uint32_t thread, uint64_t context, uint8_t inCpuId, uint8_t threadPriority ) const
{
inHdlr->onStartEvent( PxProfileEventId( eventId ), thread, context, inCpuId, threadPriority, mTensOfNanoSeconds );
}
};
template<> inline EventTypes::Enum getEventType<RelativeStartEvent>() { return EventTypes::RelativeStartEvent; }
//Stop version of relative event.
struct RelativeStopEvent : public RelativeProfileEvent
{
void init( uint64_t inTs = 0 ) { RelativeProfileEvent::init( inTs ); }
void init( const RelativeStopEvent& inData ) { RelativeProfileEvent::init( inData ); }
template<typename THandlerType>
void handle( THandlerType* inHdlr, uint16_t eventId, uint32_t thread, uint64_t context, uint8_t inCpuId, uint8_t threadPriority ) const
{
inHdlr->onStopEvent( PxProfileEventId( eventId ), thread, context, inCpuId, threadPriority, mTensOfNanoSeconds );
}
};
template<> inline EventTypes::Enum getEventType<RelativeStopEvent>() { return EventTypes::RelativeStopEvent; }
struct EventContextInformation
{
uint64_t mContextId;
uint32_t mThreadId; //Thread this event was taken from
uint8_t mThreadPriority;
uint8_t mCpuId;
void init( uint32_t inThreadId = UINT32_MAX
, uint64_t inContextId = (uint64_t(-1))
, uint8_t inPriority = UINT8_MAX
, uint8_t inCpuId = UINT8_MAX )
{
mContextId = inContextId;
mThreadId = inThreadId;
mThreadPriority = inPriority;
mCpuId = inCpuId;
}
void init( const EventContextInformation& inData )
{
mContextId = inData.mContextId;
mThreadId = inData.mThreadId;
mThreadPriority = inData.mThreadPriority;
mCpuId = inData.mCpuId;
}
template<typename TStreamType>
uint32_t streamify( TStreamType& inStream, EventStreamCompressionFlags::Enum inContextIdFlags )
{
uint32_t writtenSize = inStream.streamify( "ThreadId", mThreadId );
writtenSize += inStream.streamify("ContextId", mContextId, inContextIdFlags);
writtenSize += inStream.streamify("ThreadPriority", mThreadPriority);
writtenSize += inStream.streamify("CpuId", mCpuId);
return writtenSize;
}
bool operator==( const EventContextInformation& other ) const
{
return mThreadId == other.mThreadId
&& mContextId == other.mContextId
&& mThreadPriority == other.mThreadPriority
&& mCpuId == other.mCpuId;
}
void setToDefault()
{
*this = EventContextInformation();
}
};
//Profile event contains all the data required to tell the profile what is going
//on.
struct ProfileEvent
{
EventContextInformation mContextInformation;
RelativeProfileEvent mTimeData; //timestamp in seconds.
void init( uint32_t inThreadId, uint64_t inContextId, uint8_t inCpuId, uint8_t inPriority, uint64_t inTs )
{
mContextInformation.init( inThreadId, inContextId, inPriority, inCpuId );
mTimeData.init( inTs );
}
void init( const ProfileEvent& inData )
{
mContextInformation.init( inData.mContextInformation );
mTimeData.init( inData.mTimeData );
}
bool operator==( const ProfileEvent& other ) const
{
return mContextInformation == other.mContextInformation
&& mTimeData == other.mTimeData;
}
template<typename TStreamType>
uint32_t streamify( TStreamType& inStream, const EventHeader& inHeader )
{
uint32_t writtenSize = mContextInformation.streamify(inStream, inHeader.getContextIdCompressionFlags());
writtenSize += mTimeData.streamify(inStream, inHeader);
return writtenSize;
}
uint32_t getEventSize(const EventHeader& inHeader)
{
uint32_t eventSize = 0;
// time is stored depending on the conpress flag mTimeData.streamify(inStream, inHeader);
switch (inHeader.getTimestampCompressionFlags())
{
case EventStreamCompressionFlags::U8:
eventSize++;
break;
case EventStreamCompressionFlags::U16:
eventSize += 2;
break;
case EventStreamCompressionFlags::U32:
eventSize += 4;
break;
case EventStreamCompressionFlags::U64:
eventSize += 8;
break;
}
// context information
// mContextInformation.streamify( inStream, inHeader.getContextIdCompressionFlags() );
eventSize += 6; // uint32_t mThreadId; uint8_t mThreadPriority; uint8_t mCpuId;
switch (inHeader.getContextIdCompressionFlags())
{
case EventStreamCompressionFlags::U8:
eventSize++;
break;
case EventStreamCompressionFlags::U16:
eventSize += 2;
break;
case EventStreamCompressionFlags::U32:
eventSize += 4;
break;
case EventStreamCompressionFlags::U64:
eventSize += 8;
break;
}
return eventSize;
}
uint64_t getTimestamp() const { return mTimeData.getTimestamp(); }
void setTimestamp( uint64_t inTs ) { mTimeData.setTimestamp( inTs ); }
void setupHeader( EventHeader& inHeader, uint64_t inLastTimestamp )
{
mTimeData.setupHeader( inHeader, inLastTimestamp );
inHeader.setContextIdCompressionFlags( mContextInformation.mContextId );
}
};
//profile start event starts the profile session.
struct StartEvent : public ProfileEvent
{
void init( uint32_t inThreadId = 0, uint64_t inContextId = 0, uint8_t inCpuId = 0, uint8_t inPriority = 0, uint64_t inTensOfNanoSeconds = 0 )
{
ProfileEvent::init( inThreadId, inContextId, inCpuId, inPriority, inTensOfNanoSeconds );
}
void init( const StartEvent& inData )
{
ProfileEvent::init( inData );
}
RelativeStartEvent getRelativeEvent() const { RelativeStartEvent theEvent; theEvent.init( mTimeData.mTensOfNanoSeconds ); return theEvent; }
EventTypes::Enum getRelativeEventType() const { return getEventType<RelativeStartEvent>(); }
};
template<> inline EventTypes::Enum getEventType<StartEvent>() { return EventTypes::StartEvent; }
//Profile stop event stops the profile session.
struct StopEvent : public ProfileEvent
{
void init( uint32_t inThreadId = 0, uint64_t inContextId = 0, uint8_t inCpuId = 0, uint8_t inPriority = 0, uint64_t inTensOfNanoSeconds = 0 )
{
ProfileEvent::init( inThreadId, inContextId, inCpuId, inPriority, inTensOfNanoSeconds );
}
void init( const StopEvent& inData )
{
ProfileEvent::init( inData );
}
RelativeStopEvent getRelativeEvent() const { RelativeStopEvent theEvent; theEvent.init( mTimeData.mTensOfNanoSeconds ); return theEvent; }
EventTypes::Enum getRelativeEventType() const { return getEventType<RelativeStopEvent>(); }
};
template<> inline EventTypes::Enum getEventType<StopEvent>() { return EventTypes::StopEvent; }
struct EventValue
{
uint64_t mValue;
uint64_t mContextId;
uint32_t mThreadId;
void init( int64_t inValue = 0, uint64_t inContextId = 0, uint32_t inThreadId = 0 )
{
mValue = static_cast<uint64_t>( inValue );
mContextId = inContextId;
mThreadId = inThreadId;
}
void init( const EventValue& inData )
{
mValue = inData.mValue;
mContextId = inData.mContextId;
mThreadId = inData.mThreadId;
}
int64_t getValue() const { return static_cast<int16_t>( mValue ); }
void setupHeader( EventHeader& inHeader )
{
mValue = inHeader.compressTimestamp( 0, mValue );
inHeader.setContextIdCompressionFlags( mContextId );
}
template<typename TStreamType>
uint32_t streamify( TStreamType& inStream, const EventHeader& inHeader )
{
uint32_t writtenSize = inStream.streamify("Value", mValue, inHeader.getTimestampCompressionFlags());
writtenSize += inStream.streamify("ContextId", mContextId, inHeader.getContextIdCompressionFlags());
writtenSize += inStream.streamify("ThreadId", mThreadId);
return writtenSize;
}
uint32_t getEventSize(const EventHeader& inHeader)
{
uint32_t eventSize = 0;
// value
switch (inHeader.getTimestampCompressionFlags())
{
case EventStreamCompressionFlags::U8:
eventSize++;
break;
case EventStreamCompressionFlags::U16:
eventSize += 2;
break;
case EventStreamCompressionFlags::U32:
eventSize += 4;
break;
case EventStreamCompressionFlags::U64:
eventSize += 8;
break;
}
// context information
switch (inHeader.getContextIdCompressionFlags())
{
case EventStreamCompressionFlags::U8:
eventSize++;
break;
case EventStreamCompressionFlags::U16:
eventSize += 2;
break;
case EventStreamCompressionFlags::U32:
eventSize += 4;
break;
case EventStreamCompressionFlags::U64:
eventSize += 8;
break;
}
eventSize += 4; // uint32_t mThreadId;
return eventSize;
}
bool operator==( const EventValue& other ) const
{
return mValue == other.mValue
&& mContextId == other.mContextId
&& mThreadId == other.mThreadId;
}
template<typename THandlerType>
void handle( THandlerType* inHdlr, uint16_t eventId ) const
{
inHdlr->onEventValue( PxProfileEventId( eventId ), mThreadId, mContextId, getValue() );
}
};
template<> inline EventTypes::Enum getEventType<EventValue>() { return EventTypes::EventValue; }
//obsolete, placeholder to skip data from PhysX SDKs < 3.4
struct CUDAProfileBuffer
{
uint64_t mTimestamp;
float mTimespan;
const uint8_t* mCudaData;
uint32_t mBufLen;
uint32_t mVersion;
template<typename TStreamType>
uint32_t streamify( TStreamType& inStream, const EventHeader& )
{
uint32_t writtenSize = inStream.streamify("Timestamp", mTimestamp);
writtenSize += inStream.streamify("Timespan", mTimespan);
writtenSize += inStream.streamify("CudaData", mCudaData, mBufLen);
writtenSize += inStream.streamify("BufLen", mBufLen);
writtenSize += inStream.streamify("Version", mVersion);
return writtenSize;
}
bool operator==( const CUDAProfileBuffer& other ) const
{
return mTimestamp == other.mTimestamp
&& mTimespan == other.mTimespan
&& mBufLen == other.mBufLen
&& memcmp( mCudaData, other.mCudaData, mBufLen ) == 0
&& mVersion == other.mVersion;
}
};
template<> inline EventTypes::Enum getEventType<CUDAProfileBuffer>() { return EventTypes::CUDAProfileBuffer; }
//Provides a generic equal operation for event data objects.
template <typename TEventData>
struct EventDataEqualOperator
{
TEventData mData;
EventDataEqualOperator( const TEventData& inD ) : mData( inD ) {}
template<typename TDataType> bool operator()( const TDataType& inRhs ) const { return mData.toType( Type2Type<TDataType>() ) == inRhs; }
bool operator()() const { return false; }
};
/**
* Generic event container that combines and even header with the generic event data type.
* Provides unsafe and typesafe access to the event data.
*/
class Event
{
public:
typedef PX_PROFILE_UNION_7(StartEvent, StopEvent, RelativeStartEvent, RelativeStopEvent, EventValue, CUDAProfileBuffer, uint8_t) EventData;
private:
EventHeader mHeader;
EventData mData;
public:
Event() {}
template <typename TDataType>
Event( EventHeader inHeader, const TDataType& inData )
: mHeader( inHeader )
{
mData.init<TDataType>(inData);
}
template<typename TDataType>
Event( uint16_t eventId, const TDataType& inData )
: mHeader( getEventType<TDataType>(), eventId )
{
mData.init<TDataType>(inData);
}
const EventHeader& getHeader() const { return mHeader; }
const EventData& getData() const { return mData; }
template<typename TDataType>
const TDataType& getValue() const { PX_ASSERT( mHeader.mEventType == getEventType<TDataType>() ); return mData.toType<TDataType>(); }
template<typename TDataType>
TDataType& getValue() { PX_ASSERT( mHeader.mEventType == getEventType<TDataType>() ); return mData.toType<TDataType>(); }
template<typename TRetVal, typename TOperator>
inline TRetVal visit( TOperator inOp ) const;
bool operator==( const Event& inOther ) const
{
if ( !(mHeader == inOther.mHeader ) ) return false;
if ( mHeader.mEventType )
return inOther.visit<bool>( EventDataEqualOperator<EventData>( mData ) );
return true;
}
};
//Combining the above union type with an event type means that an object can get the exact
//data out of the union. Using this function means that all callsites will be forced to
//deal with the newer datatypes and that the switch statement only exists in once place.
//Implements conversion from enum -> datatype
template<typename TRetVal, typename TOperator>
TRetVal visit( EventTypes::Enum inEventType, const Event::EventData& inData, TOperator inOperator )
{
switch( inEventType )
{
case EventTypes::StartEvent: return inOperator( inData.toType( Type2Type<StartEvent>() ) );
case EventTypes::StopEvent: return inOperator( inData.toType( Type2Type<StopEvent>() ) );
case EventTypes::RelativeStartEvent: return inOperator( inData.toType( Type2Type<RelativeStartEvent>() ) );
case EventTypes::RelativeStopEvent: return inOperator( inData.toType( Type2Type<RelativeStopEvent>() ) );
case EventTypes::EventValue: return inOperator( inData.toType( Type2Type<EventValue>() ) );
//obsolete, placeholder to skip data from PhysX SDKs < 3.4
case EventTypes::CUDAProfileBuffer: return inOperator( inData.toType( Type2Type<CUDAProfileBuffer>() ) );
case EventTypes::Unknown: break;
}
uint8_t type = static_cast<uint8_t>( inEventType );
return inOperator( type );
}
template<typename TRetVal, typename TOperator>
inline TRetVal Event::visit( TOperator inOp ) const
{
return physx::profile::visit<TRetVal>( static_cast<EventTypes::Enum>(mHeader.mEventType), mData, inOp );
}
} }
#endif // PXPVDSDK_PXPROFILEEVENTS_H