Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#include "tier0/vcrmode.h"
#undef PROTECT_FILEIO_FUNCTIONS
#include "tier0/vprof.h"
#include "utldict.h"
#include "client.h"
#include "cmd.h"
#include "filesystem_engine.h"
#include "vprof_record.h"
#ifdef VPROF_ENABLED
#if defined( _XBOX )
extern CVProfile *g_pVProfileForDisplay;
#else
CVProfile *g_pVProfileForDisplay = &g_VProfCurrentProfile;
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#endif
long GetFileSize( FILE *fp )
{
int curPos = ftell( fp );
fseek( fp, 0, SEEK_END );
long ret = ftell( fp );
fseek( fp, curPos, SEEK_SET );
return ret;
}
// ------------------------------------------------------------------------------------------------------------------------------------ //
// VProf record mode. Turn it on to record all the vprof data, then when you're playing back, the engine's budget and vprof panels
// show the data from the recording instead of the real data.
// ------------------------------------------------------------------------------------------------------------------------------------ //
class CVProfRecorder : public CVProfile
{
public:
CVProfRecorder()
{
m_Mode = Mode_None;
m_hFile = NULL;
m_nQueuedStarts = 0;
m_nQueuedStops = 0;
m_iPlaybackTick = -1;
}
~CVProfRecorder()
{
Assert( m_Mode == Mode_None );
}
void Shutdown()
{
Stop();
}
void Stop()
{
if ( (m_Mode == Mode_Record || m_Mode == Mode_Playback) && m_hFile != NULL )
{
if ( m_Mode == Mode_Record )
++m_nQueuedStops;
g_pFileSystem->Close( m_hFile );
}
m_Mode = Mode_None;
m_hFile = NULL;
g_pVProfileForDisplay = &g_VProfCurrentProfile; // Stop using us for vprofile displays.
m_iPlaybackTick = -1;
m_bNodesChanged = true;
Term(); // clear the vprof data
}
bool IsPlayingBack()
{
return m_Mode == Mode_Playback;
}
// RECORD FUNCTIONS.
public:
bool Record_Start( const char *pFilename )
{
Stop();
char tempFilename[512];
if ( !strchr( pFilename, '.' ) )
{
Q_snprintf( tempFilename, sizeof( tempFilename ), "%s.vprof", pFilename );
pFilename = tempFilename;
}
m_iLastUniqueNodeID = -1;
m_hFile = g_pFileSystem->Open( pFilename, "wb" );
m_Mode = Mode_Record;
if ( m_hFile == NULL )
{
return false;
}
else
{
// Write the version number.
int version = VPROF_FILE_VERSION;
g_pFileSystem->Write( &version, sizeof( version ), m_hFile );
// Write the root node ID.
int nodeID = g_VProfCurrentProfile.GetRoot()->GetUniqueNodeID();
g_pFileSystem->Write( &nodeID, sizeof( nodeID ), m_hFile );
++m_nQueuedStarts;
// Make sure vprof is recrding.
Cbuf_AddText( "vprof_on\n" );
return true;
}
}
void Record_WriteToken( char val )
{
g_pFileSystem->Write( &val, sizeof( val ), m_hFile );
}
void Record_MatchTree_R( CVProfNode *pOut, const CVProfNode *pIn, CVProfile *pInProfile )
{
// Add any new nodes at the beginning of the list..
if ( pIn->m_pChild )
{
while ( !pOut->m_pChild || pIn->m_pChild->GetUniqueNodeID() != pOut->m_pChild->GetUniqueNodeID() )
{
// Find the last new node in the list.
const CVProfNode *pToAdd = NULL;
const CVProfNode *pCur = pIn->m_pChild;
while ( pCur )
{
// If the out node has no children then we add the last one in the input node.
if ( pOut->m_pChild && pCur->GetUniqueNodeID() == pOut->m_pChild->GetUniqueNodeID() )
break;
pToAdd = pCur;
pCur = pCur->m_pSibling;
}
Assert( pToAdd );
// Write this to the file.
int budgetGroupID = pToAdd->m_BudgetGroupID;
int parentNodeID = pIn->GetUniqueNodeID();
int nodeID = pToAdd->GetUniqueNodeID();
Record_WriteToken( Token_AddNode );
g_pFileSystem->Write( &parentNodeID, sizeof( parentNodeID ), m_hFile ); // Parent node ID.
g_pFileSystem->Write( pToAdd->m_pszName, strlen( pToAdd->m_pszName ) + 1, m_hFile ); // Name of the new node.
g_pFileSystem->Write( &budgetGroupID, sizeof( budgetGroupID ), m_hFile );
g_pFileSystem->Write( &nodeID, sizeof( nodeID ), m_hFile );
// There's a new one here.
const char *pBudgetGroupName = g_VProfCurrentProfile.GetBudgetGroupName( pToAdd->m_BudgetGroupID );
int budgetGroupFlags = g_VProfCurrentProfile.GetBudgetGroupFlags( pToAdd->m_BudgetGroupID );
CVProfNode *pNewNode = pOut->GetSubNode( pToAdd->m_pszName, 0, pBudgetGroupName, budgetGroupFlags );
pNewNode->SetBudgetGroupID( pToAdd->m_BudgetGroupID );
pNewNode->SetUniqueNodeID( pToAdd->GetUniqueNodeID() );
}
}
// Recurse.
CVProfNode *pOutChild = pOut->m_pChild;
const CVProfNode *pInChild = pIn->m_pChild;
while ( pOutChild && pInChild )
{
Assert( Q_stricmp( pInChild->m_pszName, pOutChild->m_pszName ) == 0 );
Assert( pInChild->GetUniqueNodeID() == pOutChild->GetUniqueNodeID() );
Record_MatchTree_R( pOutChild, pInChild, pInProfile );
pOutChild = pOutChild->m_pSibling;
pInChild = pInChild->m_pSibling;
}
}
void Record_MatchBudgetGroups( CVProfile *pInProfile )
{
Assert( GetNumBudgetGroups() <= pInProfile->GetNumBudgetGroups() );
int nOriginalGroups = GetNumBudgetGroups();
for ( int i=nOriginalGroups; i < pInProfile->GetNumBudgetGroups(); i++ )
{
const char *pName = pInProfile->GetBudgetGroupName( i );
int flags = pInProfile->GetBudgetGroupFlags( i );
Record_WriteToken( Token_AddBudgetGroup );
g_pFileSystem->Write( pName, strlen( pName ) + 1, m_hFile );
g_pFileSystem->Write( &flags, sizeof( flags ), m_hFile );
AddBudgetGroupName( pName, flags );
}
}
void Record_WriteTimings_R( const CVProfNode *pIn )
{
unsigned short curCalls = min( pIn->m_nCurFrameCalls, (unsigned)0xFFFF );
if ( curCalls >= 255 )
{
unsigned char token = 255;
g_pFileSystem->Write( &token, sizeof( token ), m_hFile );
g_pFileSystem->Write( &curCalls, sizeof( curCalls ), m_hFile );
}
else
{
// Get away with one byte if we can.
unsigned char token = (char)curCalls;
g_pFileSystem->Write( &token, sizeof( token ), m_hFile );
}
// This allows us to write 2 bytes unless it's > 256 milliseconds (unlikely).
unsigned long nMicroseconds = pIn->m_CurFrameTime.GetMicroseconds() / 4;
if ( nMicroseconds >= 0xFFFF )
{
unsigned short token = 0xFFFF;
g_pFileSystem->Write( &token, sizeof( token ), m_hFile );
g_pFileSystem->Write( &nMicroseconds, sizeof( nMicroseconds ), m_hFile );
}
else
{
unsigned short token = (unsigned short)nMicroseconds;
g_pFileSystem->Write( &token, sizeof( token ), m_hFile );
}
for ( const CVProfNode *pChild = pIn->m_pChild; pChild; pChild = pChild->m_pSibling )
Record_WriteTimings_R( pChild );
}
void Record_Snapshot()
{
CVProfile *pInProfile = &g_VProfCurrentProfile;
// Don't record the overhead of writing in the filesystem here.
pInProfile->Pause();
// Record the tick count and start of frame.
Record_WriteToken( Token_StartFrame );
#ifdef SWDS
g_pFileSystem->Write( &host_tickcount, sizeof( host_tickcount ), m_hFile );
#else
g_pFileSystem->Write( &g_ClientGlobalVariables.tickcount, sizeof( g_ClientGlobalVariables.tickcount ), m_hFile );
#endif
// Record all the changes to get our tree and budget groups to g_VProfCurrentProfile.
Record_MatchBudgetGroups( pInProfile );
if ( m_iLastUniqueNodeID != CVProfNode::s_iCurrentUniqueNodeID )
{
Record_MatchTree_R( GetRoot(), pInProfile->GetRoot(), pInProfile );
}
// Now that we have a matching tree, write all the timings.
Record_WriteToken( Token_Timings );
Record_WriteTimings_R( pInProfile->GetRoot() );
Record_WriteToken( Token_EndOfFrame );
pInProfile->Resume();
}
// PLAYBACK FUNCTIONS.
public:
#define Playback_Assert( theTest ) Playback_AssertFn( !!(theTest), __LINE__ )
bool Playback_AssertFn( bool bTest, int iLine )
{
if ( bTest )
{
return true;
}
else
{
Stop();
Warning( "VPROF PLAYBACK ASSERT (%s, line %d) - stopping playback.\n", __FILE__, iLine );
return false;
}
}
bool Playback_Start( const char *pFilename )
{
Stop();
char tempFilename[512];
if ( !strchr( pFilename, '.' ) )
{
Q_snprintf( tempFilename, sizeof( tempFilename ), "%s.vprof", pFilename );
pFilename = tempFilename;
}
m_iLastUniqueNodeID = -1;
m_hFile = g_pFileSystem->Open( pFilename, "rb" );
m_Mode = Mode_Playback;
m_bPlaybackPaused = true;
if ( m_hFile == NULL )
{
Warning( "vprof_playback_start: Open( %s ) failed.\n", pFilename );
return false;
}
else
{
int version;
g_pFileSystem->Read( &version, sizeof( version ), m_hFile );
if ( !Playback_Assert( version == VPROF_FILE_VERSION ) )
return false;
// Read the root node ID.
int nodeID;
g_pFileSystem->Read( &nodeID, sizeof( nodeID ), m_hFile );
GetRoot()->SetUniqueNodeID( nodeID );
m_iSkipPastHeaderPos = g_pFileSystem->Tell( m_hFile );
m_iLastTick = -1; // We don't know the last tick in the file yet.
m_FileLen = g_pFileSystem->Size( m_hFile );
m_enabled = true; // So IsEnabled() returns true..
Playback_ReadTick();
g_pVProfileForDisplay = this; // Start using this CVProfile for displays.
return true;
}
}
void Playback_Restart()
{
if ( m_Mode != Mode_Playback )
{
Assert( false );
return;
}
// Clear the data and restart playback.
m_iPlaybackTick = -1;
Term(); // clear the vprof data
m_bNodesChanged = true;
g_pFileSystem->Seek( m_hFile, m_iSkipPastHeaderPos, FILESYSTEM_SEEK_HEAD );
Playback_ReadTick(); // Read in one tick's worth of data.
}
char Playback_ReadToken()
{
Assert( m_Mode == Mode_Playback );
char token;
if ( g_pFileSystem->Read( &token, 1, m_hFile ) != 1 )
token = TOKEN_FILE_FINISHED;
return token;
}
bool Playback_ReadString( char *pOut, int maxLen )
{
int i = 0;
while ( 1 )
{
char ch;
if ( g_pFileSystem->Read( &ch, 1, m_hFile ) == 0 )
{
Playback_Assert( false );
return false;
}
if ( ch == 0 )
{
pOut[i] = 0;
break;
}
else
{
if ( i < (maxLen-1) )
{
pOut[i] = ch;
++i;
}
}
}
return true;
}
bool Playback_ReadAddBudgetGroup()
{
char name[512];
if ( !Playback_ReadString( name, sizeof( name ) ) )
return false;
int flags = 0;
g_pFileSystem->Read( &flags, sizeof( flags ), m_hFile );
AddBudgetGroupName( name, flags );
return true;
}
CVProfNode* FindVProfNodeByID_R( CVProfNode *pNode, int id )
{
if ( pNode->GetUniqueNodeID() == id )
return pNode;
for ( CVProfNode *pCur=pNode->m_pChild; pCur; pCur=pCur->m_pSibling )
{
CVProfNode *pTest = FindVProfNodeByID_R( pCur, id );
if ( pTest )
return pTest;
}
return NULL;
}
bool Playback_ReadAddNode()
{
int budgetGroupID;
int parentNodeID;
int nodeID;
char nodeName[512];
g_pFileSystem->Read( &parentNodeID, sizeof( parentNodeID ), m_hFile ); // Parent node ID.
if ( !Playback_ReadString( nodeName, sizeof( nodeName ) ) )
return false;
g_pFileSystem->Read( &budgetGroupID, sizeof( budgetGroupID ), m_hFile );
g_pFileSystem->Read( &nodeID, sizeof( nodeID ), m_hFile );
// Now find the parent node.
CVProfNode *pParentNode = FindVProfNodeByID_R( GetRoot(), parentNodeID );
if ( !Playback_Assert( pParentNode != NULL ) )
return false;
const char *pBudgetGroupName = GetBudgetGroupName( 0 );
int budgetGroupFlags = 0;
CVProfNode *pNewNode = pParentNode->GetSubNode( PoolString( nodeName ), 0, pBudgetGroupName, budgetGroupFlags );
pNewNode->SetBudgetGroupID( budgetGroupID );
pNewNode->SetUniqueNodeID( nodeID );
m_bNodesChanged = true;
return true;
}
bool Playback_ReadTimings_R( CVProfNode *pNode )
{
// Read the timing.
unsigned char token;
if ( g_pFileSystem->Read( &token, sizeof( token ), m_hFile ) != sizeof( token ) )
return false;
if ( token == 255 )
{
unsigned short curCalls;
if ( g_pFileSystem->Read( &curCalls, sizeof( curCalls ), m_hFile ) != sizeof( curCalls ) )
return false;
pNode->m_nCurFrameCalls = curCalls;
}
else
{
pNode->m_nCurFrameCalls = token;
}
pNode->m_nPrevFrameCalls = pNode->m_nCurFrameCalls;
// This allows us to write 2 bytes unless it's > 256 milliseconds (unlikely).
unsigned short microsecondsToken;
if ( g_pFileSystem->Read( &microsecondsToken, sizeof( microsecondsToken ), m_hFile ) != sizeof( microsecondsToken ) )
return false;
if ( microsecondsToken == 0xFFFF )
{
unsigned long nMicroseconds;
if ( g_pFileSystem->Read( &nMicroseconds, sizeof( nMicroseconds ), m_hFile ) != sizeof( nMicroseconds ) )
return false;
pNode->m_CurFrameTime.SetMicroseconds( nMicroseconds * 4 );
}
else
{
pNode->m_CurFrameTime.SetMicroseconds( (unsigned long)microsecondsToken * 4 );
}
pNode->m_PrevFrameTime = pNode->m_CurFrameTime;
// Recurse.
for ( CVProfNode *pCur=pNode->m_pChild; pCur; pCur=pCur->m_pSibling )
{
if ( !Playback_ReadTimings_R( pCur ) )
return false;
}
return true;
}
// Read the next tick. If iDontGoPast is set, then it will abort IF the next tick's index
// is greater than iDontGoPast. In that case, sets pWouldHaveGonePast to true,
// stays where it was before the call, and returns true.
bool Playback_ReadTick( int iDontGoPast = -1, bool *pWouldHaveGonePast = NULL )
{
if ( pWouldHaveGonePast )
*pWouldHaveGonePast = false;
if ( m_Mode != Mode_Playback )
return false;
// Read the next tick..
int token = Playback_ReadToken();
if ( token == TOKEN_FILE_FINISHED )
{
Msg( "VPROF playback finished.\n" );
m_iLastTick = m_iPlaybackTick; // Now we know our last tick.
return true;
}
if ( !Playback_Assert( token == Token_StartFrame ) )
return false;
int iPlaybackTick = m_iPlaybackTick;
g_pFileSystem->Read( &iPlaybackTick, sizeof( iPlaybackTick ), m_hFile );
// First test if this tick would go past the number they don't want us to go past.
if ( iDontGoPast != -1 && iPlaybackTick > iDontGoPast )
{
*pWouldHaveGonePast = true;
g_pFileSystem->Seek( m_hFile, -5, FILESYSTEM_SEEK_CURRENT );
return true;
}
else
{
m_iPlaybackTick = iPlaybackTick;
}
while ( 1 )
{
token = Playback_ReadToken();
if ( token == Token_EndOfFrame )
break;
if ( token == Token_AddBudgetGroup )
{
if ( !Playback_ReadAddBudgetGroup() )
return false;
}
else if ( token == Token_AddNode )
{
if ( !Playback_ReadAddNode() )
return false;
}
else if ( token == Token_Timings )
{
if ( !Playback_ReadTimings_R( GetRoot() ) )
return false;
}
else
{
Playback_Assert( false );
return false;
}
}
return true;
}
void Playback_Snapshot()
{
if ( m_Mode == Mode_Playback && !m_bPlaybackPaused )
Playback_ReadTick();
}
void Playback_Step()
{
Playback_ReadTick();
}
class CNodeAverage
{
public:
CVProfNode *m_pNode;
CCycleCount m_CurFrameTime_Total;
int m_nCurFrameCalls_Total;
int m_nSamples;
};
CNodeAverage* FindNodeAverage( CUtlVector<CNodeAverage> &averages, CVProfNode *pNode )
{
for ( int i=0; i < averages.Count(); i++ )
{
if ( averages[i].m_pNode == pNode )
return &averages[i];
}
return NULL;
}
void UpdateAverages_R( CUtlVector<CNodeAverage> &averages, CVProfNode *pNode )
{
CNodeAverage *pAverage = FindNodeAverage( averages, pNode );
if ( !pAverage )
{
pAverage = &averages[ averages.AddToTail() ];
memset( pAverage, 0, sizeof( *pAverage ) );
pAverage->m_pNode = pNode;
}
pAverage->m_CurFrameTime_Total += pNode->m_CurFrameTime;
pAverage->m_nCurFrameCalls_Total += pNode->m_nCurFrameCalls;
pAverage->m_nSamples++;
// Recurse.
for ( CVProfNode *pCur=pNode->m_pChild; pCur; pCur=pCur->m_pSibling )
UpdateAverages_R( averages, pCur );
}
void DumpAverages_R( CUtlVector<CNodeAverage> &averages, CVProfNode *pNode )
{
CNodeAverage *pAverage = FindNodeAverage( averages, pNode );
if ( pAverage )
{
pNode->m_CurFrameTime.m_Int64 = pAverage->m_CurFrameTime_Total.m_Int64 / pAverage->m_nSamples;
pNode->m_nCurFrameCalls = pAverage->m_nCurFrameCalls_Total / pAverage->m_nSamples;
}
pNode->m_PrevFrameTime = pNode->m_CurFrameTime;
pNode->m_nPrevFrameCalls = pNode->m_nCurFrameCalls;
// Recurse.
for ( CVProfNode *pCur=pNode->m_pChild; pCur; pCur=pCur->m_pSibling )
DumpAverages_R( averages, pCur );
}
void Playback_Average( int nFrames )
{
// Remember where we started.
unsigned long seekPos = g_pFileSystem->Tell( m_hFile );
int iOldLastTick = m_iLastTick;
int iOldPlaybackTick = m_iPlaybackTick;
// Take the average of the next N ticks.
CUtlVector<CNodeAverage> averages;
while ( nFrames > 0 && m_iLastTick == -1 )
{
Playback_ReadTick();
UpdateAverages_R( averages, GetRoot() );
--nFrames;
}
DumpAverages_R( averages, GetRoot() );
// Now seek back to where we started.
g_pFileSystem->Seek( m_hFile, seekPos, FILESYSTEM_SEEK_HEAD );
m_iLastTick = iOldLastTick;
m_iPlaybackTick = iOldPlaybackTick;
}
int Playback_SetPlaybackTick( int iTick )
{
if ( m_Mode != Mode_Playback )
return 0;
m_bNodesChanged = false; // We want to pickup changes to this, so reset it here.
if ( iTick == m_iPlaybackTick )
{
return 1;
}
else if ( iTick < m_iPlaybackTick )
{
// Crap.. have to go back. Restart and seek to this tick.
Playback_Restart();
// If this tick has a smaller value than the first tick in the file, then we can't seek forward to it...
if ( iTick <= m_iPlaybackTick )
{
return 1 + m_bNodesChanged; // return 2 if the nodes changed
}
}
// Now seek forward to the tick they want.
while ( m_iPlaybackTick < iTick )
{
bool bWouldHaveGonePast;
if ( !Playback_ReadTick( iTick, &bWouldHaveGonePast ) )
return 0; // error
// If reading this tick would have gone past the tick they're asking us to go for,
// stay on the current tick.
if ( bWouldHaveGonePast )
break;
// If we went to the last tick in the file, then stop here.
if ( m_iLastTick != -1 && m_iPlaybackTick >= m_iLastTick )
return 1 + m_bNodesChanged;
}
return 1 + m_bNodesChanged;
}
// 0-1 value.
float Playback_GetCurrentPercent()
{
return (float)g_pFileSystem->Tell( m_hFile ) / m_FileLen;
}
int Playback_SeekToPercent( float flWantedPercent )
{
if ( m_Mode != Mode_Playback )
return 0; // error
m_bNodesChanged = false; // We want to pickup changes to this, so reset it here.
float flCurPercent = Playback_GetCurrentPercent();
if ( flWantedPercent < flCurPercent )
{
// Crap.. have to go back. Restart and seek to this tick.
Playback_Restart();
// If this tick has a smaller value than the first tick in the file, then we can't seek forward to it...
if ( flWantedPercent <= 0 )
return 1 + m_bNodesChanged; // return 2 if nodes changed
}
// Now seek forward to the tick they want.
while ( Playback_GetCurrentPercent() < flWantedPercent )
{
if ( !Playback_ReadTick() )
return 0; // error
// If we went to the last tick in the file, then stop here.
if ( m_iLastTick != -1 && m_iPlaybackTick >= m_iLastTick )
return 1 + m_bNodesChanged; // return 2 if nodes changed
}
return 1 + m_bNodesChanged;
}
int Playback_GetCurrentTick()
{
return m_iPlaybackTick;
}
// OTHER FUNCTIONS.
public:
void Snapshot()
{
if ( m_Mode == Mode_Record )
Record_Snapshot();
else if ( m_Mode == Mode_Playback )
Playback_Snapshot();
}
void StartOrStop()
{
while ( m_nQueuedStarts > 0 )
{
--m_nQueuedStarts;
g_VProfCurrentProfile.Start();
}
while ( m_nQueuedStops > 0 )
{
--m_nQueuedStops;
g_VProfCurrentProfile.Stop();
}
}
inline CVProfile* GetActiveProfile()
{
if ( m_Mode == Mode_Playback )
return this;
else
return &g_VProfCurrentProfile;
}
private:
const char* PoolString( const char *pStr )
{
int i = m_PooledStrings.Find( pStr );
if ( i == m_PooledStrings.InvalidIndex() )
i = m_PooledStrings.Insert( pStr, 0 );
return m_PooledStrings.GetElementName( i );
}
private:
enum
{
Token_StartFrame=0,
Token_AddNode,
Token_AddBudgetGroup,
Token_Timings,
Token_EndOfFrame,
TOKEN_FILE_FINISHED
};
enum
{
VPROF_FILE_VERSION = 1
};
enum
{
Mode_None,
Mode_Record,
Mode_Playback
};
CUtlDict<int,int> m_PooledStrings;
int m_Mode;
FileHandle_t m_hFile;
int m_iLastUniqueNodeID;
int m_iPlaybackTick; // Our current tick.
int m_iSkipPastHeaderPos;
int m_iLastTick; // We only know this when we hit the end of the file.
int m_FileLen;
bool m_bNodesChanged; // Set if the nodes were added or removed.
int m_nQueuedStarts;
int m_nQueuedStops;
bool m_bPlaybackPaused;
};
static CVProfRecorder g_VProfRecorder;
CON_COMMAND( vprof_record_start, "Start recording vprof data for playback later." )
{
if ( args.ArgC() != 2 )
{
Warning( "vprof_record_start requires a filename\n" );
return;
}
g_VProfRecorder.Record_Start( args[1] );
}
CON_COMMAND( vprof_record_stop, "Stop recording vprof data" )
{
Warning( "Stopping vprof recording...\n" );
g_VProfRecorder.Stop();
}
CON_COMMAND( vprof_playback_start, "Start playing back a recorded .vprof file." )
{
if ( args.ArgC() < 2 )
{
Warning( "vprof_playback_start requires a filename\n" );
return;
}
// Console parser treats colons as a break, so join all the tokens together here.
char fullFilename[512];
fullFilename[0] = 0;
for ( int i=1; i < args.ArgC(); i++ )
{
Q_strncat( fullFilename, args[i], sizeof( fullFilename ), COPY_ALL_CHARACTERS );
}
g_VProfRecorder.Playback_Start( fullFilename );
}
CON_COMMAND( vprof_playback_stop, "Stop playing back a recorded .vprof file." )
{
Warning( "Stopping vprof playback...\n" );
g_VProfRecorder.Stop();
}
CON_COMMAND( vprof_playback_step, "While playing back a .vprof file, step to the next tick." )
{
VProfPlayback_Step();
}
CON_COMMAND( vprof_playback_stepback, "While playing back a .vprof file, step to the previous tick." )
{
VProfPlayback_StepBack();
}
CON_COMMAND( vprof_playback_average, "Average the next N frames." )
{
if ( args.ArgC() >= 2 )
{
int nFrames = atoi( args[ 1 ] );
if ( nFrames == -1 )
nFrames = 9999999;
g_VProfRecorder.Playback_Average( nFrames );
}
else
{
Warning( "vprof_playback_average [# frames]\n" );
Warning( "If # frames is -1, then it will average all the remaining frames in the vprof file.\n" );
}
}
void VProfRecord_Snapshot()
{
g_VProfRecorder.Snapshot();
}
void VProfRecord_StartOrStop()
{
g_VProfRecorder.StartOrStop();
}
void VProfRecord_Shutdown()
{
g_VProfRecorder.Shutdown();
}
bool VProfRecord_IsPlayingBack()
{
return g_VProfRecorder.IsPlayingBack();
}
int VProfPlayback_GetCurrentTick()
{
return g_VProfRecorder.Playback_GetCurrentTick();
}
float VProfPlayback_GetCurrentPercent()
{
return g_VProfRecorder.Playback_GetCurrentPercent();
}
int VProfPlayback_SetPlaybackTick( int iTick )
{
return g_VProfRecorder.Playback_SetPlaybackTick( iTick );
}
int VProfPlayback_SeekToPercent( float percent )
{
return g_VProfRecorder.Playback_SeekToPercent( percent );
}
void VProfPlayback_Step()
{
g_VProfRecorder.Playback_Step();
}
int VProfPlayback_StepBack()
{
return g_VProfRecorder.Playback_SetPlaybackTick( g_VProfRecorder.Playback_GetCurrentTick() - 1 );
}
#endif // VPROF_ENABLED