source-engine/engine/vgui_vprofgraphpanel.cpp
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2020-04-22 12:56:21 -04:00

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C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
// $NoKeywords: $
//=============================================================================//
#include "client_pch.h"
#include "ivideomode.h"
#include "VGuiMatSurface/IMatSystemSurface.h"
#include <vgui_controls/Panel.h>
#include <vgui_controls/Controls.h>
#include <vgui/ISurface.h>
#include <vgui/IScheme.h>
#include "materialsystem/imaterialsystem.h"
#include "materialsystem/imesh.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/MaterialSystemUtil.h"
#include "client.h"
#include "gl_matsysiface.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#ifdef VPROF_ENABLED
static ConVar vprof_graph ( "vprof_graph","0", 0, "Draw the vprof graph." );
static ConVar vprof_graphwidth ( "vprof_graphwidth", "512", FCVAR_ARCHIVE );
static ConVar vprof_graphheight( "vprof_graphheight", "256", FCVAR_ARCHIVE );
#define TIMINGS 256 // Number of values to track (must be power of 2) b/c of masking
#define GRAPH_RED (0.9f * 255)
#define GRAPH_GREEN (0.9f * 255)
#define GRAPH_BLUE (0.7f * 255)
#define LERP_HEIGHT 24
//-----------------------------------------------------------------------------
// Purpose: Displays the netgraph
//-----------------------------------------------------------------------------
class CVProfGraphPanel : public vgui::Panel
{
typedef vgui::Panel BaseClass;
private:
vgui::HFont m_hFont;
public:
CVProfGraphPanel( vgui::VPANEL parent );
virtual ~CVProfGraphPanel( void );
virtual void ApplySchemeSettings(vgui::IScheme *pScheme);
virtual void Paint();
virtual void OnTick( void );
virtual bool ShouldDraw( void );
struct CLineSegment
{
int x1, y1, x2, y2;
byte color[4];
};
inline void DrawLine( vrect_t *rect, unsigned char *color, unsigned char alpha );
void DrawLineSegments();
void GraphGetXY( vrect_t *rect, int width, int *x, int *y );
private:
void PaintLineArt( int x, int y, int w );
CMaterialReference m_WhiteMaterial;
// VProf interface:
float m_Samples[ TIMINGS ][3];
CVProfNode* m_Components;
int m_CurrentSample;
void GetNextSample();
public:
static CVProfNode* m_CurrentNode;
};
CVProfNode* CVProfGraphPanel::m_CurrentNode = NULL;
void IN_VProfPrevSibling(void)
{
CVProfNode* n = CVProfGraphPanel::m_CurrentNode->GetPrevSibling();
if( n )
CVProfGraphPanel::m_CurrentNode = n;
}
void IN_VProfNextSibling(void)
{
CVProfNode* n = CVProfGraphPanel::m_CurrentNode->GetSibling();
if( n )
CVProfGraphPanel::m_CurrentNode = n;
}
void IN_VProfParent(void)
{
CVProfNode* n = CVProfGraphPanel::m_CurrentNode->GetParent();
if( n )
CVProfGraphPanel::m_CurrentNode = n;
}
void IN_VProfChild(void)
{
CVProfNode* n = CVProfGraphPanel::m_CurrentNode->GetChild();
if( n )
{
// Find the largest child:
CVProfGraphPanel::m_CurrentNode = n;
for( ; n; n = n->GetSibling() )
{
if( n->GetPrevTime() > CVProfGraphPanel::m_CurrentNode->GetPrevTime() )
CVProfGraphPanel::m_CurrentNode = n;
}
}
}
static ConCommand vprof_siblingprev ("vprof_prevsibling", IN_VProfPrevSibling);
static ConCommand vprof_siblingnext ("vprof_nextsibling", IN_VProfNextSibling);
static ConCommand vprof_parent ("vprof_parent", IN_VProfParent);
static ConCommand vprof_child ("vprof_child", IN_VProfChild);
//-----------------------------------------------------------------------------
// Purpose:
// Input : *parent -
//-----------------------------------------------------------------------------
CVProfGraphPanel::CVProfGraphPanel( vgui::VPANEL parent ) : BaseClass( NULL, "CVProfGraphPanel" )
{
SetParent( parent );
SetSize( videomode->GetModeStereoWidth(), videomode->GetModeStereoHeight() );
SetPos( 0, 0 );
SetVisible( false );
SetCursor( null );
m_hFont = 0;
SetFgColor( Color( 0, 0, 0, 255 ) );
SetPaintBackgroundEnabled( false );
memset( m_Samples, 0, sizeof( m_Samples ) );
m_CurrentSample = 0;
m_CurrentNode = g_VProfCurrentProfile.GetRoot();
// Move down to an interesting node ( the render / sound / etc level)
if( m_CurrentNode->GetChild() )
{
m_CurrentNode = m_CurrentNode->GetChild();
if( m_CurrentNode->GetChild() )
{
m_CurrentNode = m_CurrentNode->GetChild();
}
}
vgui::ivgui()->AddTickSignal( GetVPanel() );
m_WhiteMaterial.Init( "vgui/white", TEXTURE_GROUP_OTHER );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CVProfGraphPanel::~CVProfGraphPanel( void )
{
}
void CVProfGraphPanel::ApplySchemeSettings(vgui::IScheme *pScheme)
{
BaseClass::ApplySchemeSettings(pScheme);
m_hFont = pScheme->GetFont( "DefaultVerySmall" );
Assert( m_hFont );
}
//-----------------------------------------------------------------------------
// Purpose: Figure out x and y position for graph based on vprof_graphpos
// value.
// Input : *rect -
// width -
// *x -
// *y -
//-----------------------------------------------------------------------------
void CVProfGraphPanel::GraphGetXY( vrect_t *rect, int width, int *x, int *y )
{
*x = rect->x + rect->width - 5 - width;
*y = rect->y+rect->height - LERP_HEIGHT - 5;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CVProfGraphPanel::OnTick( void )
{
SetVisible( ShouldDraw() );
}
bool CVProfGraphPanel::ShouldDraw( void )
{
return vprof_graph.GetBool();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CVProfGraphPanel::Paint()
{
int x, y, w;
vrect_t vrect;
if ( ( ShouldDraw() ) == false )
return;
// Get screen rectangle
vrect.x = 0;
vrect.y = 0;
vrect.width = videomode->GetModeStereoWidth();
vrect.height = videomode->GetModeStereoHeight();
// Determine graph width
w = vprof_graphwidth.GetInt();
if ( vrect.width < w + 10 )
{
w = vrect.width - 10;
}
// Get the graph's location:
GraphGetXY( &vrect, w, &x, &y );
PaintLineArt( x, y, w );
// Draw the text overlays:
// Print it out
y -= vprof_graphheight.GetInt();
double RootTime = g_VProfCurrentProfile.GetRoot()->GetPrevTime();
char sz[256];
if ( ( g_ClientGlobalVariables.absoluteframetime) > 0.f )
{
Q_snprintf( sz, sizeof( sz ), "%s - %0.1f%%%%", m_CurrentNode->GetName(), ( m_CurrentNode->GetPrevTime() / RootTime ) * 100.f);
g_pMatSystemSurface->DrawColoredText( m_hFont, x, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, "%s", sz );
}
byte color[3][3] =
{
{ 255, 0, 0 },
{ 0, 0, 255 },
{ 255, 255, 255 },
};
const char *pTitles[3];
pTitles[0] = m_CurrentNode->GetName();
pTitles[1] = "Parent";
pTitles[2] = "Total";
// Draw the legend:
x += w / 2;
for( int i = 3; --i >= 0; )
{
Q_snprintf( sz, sizeof( sz ), "%07.3f ms (%s)", m_Samples[m_CurrentSample][i], pTitles[i] );
y -= 10;
g_pMatSystemSurface->DrawColoredText( m_hFont, x, y, color[i][0], color[i][1], color[i][2], 180, "%s", sz );
}
}
// VProf interface:
void CVProfGraphPanel::GetNextSample()
{
// Increment to the next sample:
m_CurrentSample = ( m_CurrentSample + 1 ) % TIMINGS;
m_Samples[m_CurrentSample][0] = m_CurrentNode->GetPrevTime();
m_Samples[m_CurrentSample][1] = m_CurrentNode->GetParent() ? m_CurrentNode->GetParent()->GetPrevTime() : m_CurrentNode->GetPrevTime();
m_Samples[m_CurrentSample][2] = g_VProfCurrentProfile.GetRoot()->GetPrevTime();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CVProfGraphPanel::PaintLineArt( int x, int y, int w )
{
int nPanelHeight = vprof_graphheight.GetFloat() - LERP_HEIGHT - 2;
int h, a;
// Update the sample graph:
GetNextSample();
CMatRenderContextPtr pRenderContext( materials );
IMesh* m_pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, m_WhiteMaterial );
CMeshBuilder meshBuilder;
meshBuilder.Begin( m_pMesh, MATERIAL_LINES, 3 * w + 4 );
// Draw lines at 20, 30, 60 hz, and baseline
int i;
for ( i = 0; i < 4; ++i )
{
int nLineY = y - (nPanelHeight / 3) * i;
if ( i == 0 )
{
meshBuilder.Color4ub( 255, 255, 255, 255 );
}
else
{
meshBuilder.Color4ub( 128, 128, 128, 255 );
}
meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
meshBuilder.Position3f( x, nLineY, 0 );
meshBuilder.AdvanceVertex();
if ( i == 0 )
{
meshBuilder.Color4ub( 255, 255, 255, 255 );
}
else
{
meshBuilder.Color4ub( 128, 128, 128, 255 );
}
meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
meshBuilder.Position3f( x + w, nLineY, 0 );
meshBuilder.AdvanceVertex();
}
byte color[3][4] =
{
{ 255, 0, 0, 255 },
{ 0, 0, 255, 255 },
{ 255, 255, 255, 255 },
};
// 0.05f = 1/20 = 20Hz
float flMsToPixel = nPanelHeight / 50.0f;
float flDxDSample = (w <= TIMINGS) ? 1.0f : (float)w / (float)TIMINGS;
for( i = 3; --i >= 0; )
{
int sample = m_CurrentSample;
for (a=w; a >= 0; a-- )
{
h = (int)(m_Samples[sample][i] * flMsToPixel + 0.5f);
// Clamp the height: (though it shouldn't need it)
if ( h > nPanelHeight )
{
h = nPanelHeight;
}
int px = (int)(x + (w - a - 1) * flDxDSample + 0.5f);
int py = y - h;
meshBuilder.Color4ubv( color[i] );
meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
meshBuilder.Position3f( px, py, 0 );
meshBuilder.AdvanceVertex();
if ( ( a != w ) && ( a != 0 ) )
{
meshBuilder.Color4ubv( color[i] );
meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
meshBuilder.Position3f( px, py, 0 );
meshBuilder.AdvanceVertex();
}
// Move on to the next sample:
sample--;
if ( sample < 0 )
{
sample = TIMINGS - 1;
}
}
}
meshBuilder.End();
m_pMesh->Draw();
}
#endif // VPROF_ENABLED
//-----------------------------------------------------------------------------
// Creates/destroys the vprof graph panel
//-----------------------------------------------------------------------------
#ifdef VPROF_ENABLED
static CVProfGraphPanel *s_pVProfGraphPanel = NULL;
#endif
void CreateVProfGraphPanel( vgui::Panel *pParent )
{
#ifdef VPROF_ENABLED
s_pVProfGraphPanel = new CVProfGraphPanel( pParent->GetVPanel() );
#endif
}
void DestroyVProfGraphPanel()
{
#ifdef VPROF_ENABLED
if ( s_pVProfGraphPanel )
{
s_pVProfGraphPanel->SetParent( (vgui::Panel *)NULL );
delete s_pVProfGraphPanel;
s_pVProfGraphPanel = NULL;
}
#endif
}