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/*=========================================================================
Program: Visualization Toolkit
Module: VTKRenderTimings.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef vtkRenderTimings_h
#define vtkRenderTimings_h
/**
* Define the classes we use for running timing benchmarks
*/
#include "vtkTimerLog.h"
#include <vtksys/SystemInformation.hxx>
#include <vtksys/RegularExpression.hxx>
#include <vtksys/CommandLineArguments.hxx>
#include <map>
class vtkRTTestResult;
class vtkRTTestSequence;
class vtkRenderTimings;
class vtkRTTest
{
public:
// what is the name of this test
std::string GetName() { return this->Name; }
// when reporting a summary result use this key to
// determine the amount of triangles rendered
virtual const char *GetSecondSummaryResultName() = 0;
// when reporting a summary result this is the
// field that should be reported.
virtual const char *GetSummaryResultName() = 0;
// when reporting a summary result should we use the
// largest value or smallest?
virtual bool UseLargestSummaryResult() { return true; }
// Set/Get the time allowed for this test
// Tests should check if they are going more than 50%
// beyond this number they should short circuit if
// they can gracefully.
virtual void SetTargetTime(float tt) { this->TargetTime = tt; }
virtual float GetTargetTime() { return this->TargetTime; }
void SetRenderSize(int width, int height) { this->RenderWidth = width; this->RenderHeight = height; }
int GetRenderWidth() { return this->RenderWidth; }
int GetRenderHeight() { return this->RenderHeight; }
// run the test, argc and argv are extra arguments that the test might
// use.
virtual vtkRTTestResult Run(vtkRTTestSequence *ats, int argc, char *argv[]) = 0;
vtkRTTest(const char *name)
{
this->TargetTime = 1.0;
this->Name = name;
RenderWidth = RenderHeight = 600;
}
virtual ~vtkRTTest() {}
protected:
float TargetTime;
std::string Name;
int RenderWidth, RenderHeight;
};
class vtkRTTestResult
{
public:
std::map<std::string,double> Results;
int SequenceNumber;
void ReportResults(vtkRTTest *test, ostream &ost)
{
ost << test->GetName();
std::map<std::string, double>::iterator rItr;
for (rItr = this->Results.begin(); rItr != this->Results.end(); rItr++)
{
ost << ", " << rItr->first << ", " << rItr->second;
}
ost << "\n";
}
};
class vtkRTTestSequence
{
public:
virtual void Run();
virtual void ReportSummaryResults(ostream &ost);
virtual void ReportDetailedResults(ostream &ost);
// tests should use these functions to determine what resolution
// to use in scaling their test. The functions will always return
// numbers then when multiplied will result in 1, 2, 3, or 5
// times 10 to some power. These functions use the SequenceCount
// to determine what number to return. When the dimensions
// are not equal, we guarantee that the larger dimensions
// come first
void GetSequenceNumbers(int &xdim);
void GetSequenceNumbers(int &xdim, int &ydim);
void GetSequenceNumbers(int &xdim, int &ydim, int &zdim);
void GetSequenceNumbers(int &xdim, int &ydim, int &zdim, int &wdim);
// display the results in realtime using VTK charting
void SetChartResults(bool v) { this->ChartResults = v; }
vtkRTTest *Test;
float TargetTime;
vtkRTTestSequence(vtkRenderTimings *rt)
{
this->Test = NULL;
this->TargetTime = 10.0;
this->RenderTimings = rt;
this->ChartResults = true;
}
virtual ~vtkRTTestSequence() {}
protected:
std::vector<vtkRTTestResult> TestResults;
int SequenceCount;
vtkRenderTimings *RenderTimings;
bool ChartResults;
};
// a class to run a bunch of timing tests and
// report the results
class vtkRenderTimings
{
public:
vtkRenderTimings();
// get the sequence start and end values
int GetSequenceStart() { return this->SequenceStart; }
int GetSequenceEnd() { return this->SequenceEnd; }
// get the maxmimum time allowed per step
double GetSequenceStepTimeLimit() { return this->SequenceStepTimeLimit; }
// get the render size
int GetRenderWidth() { return this->RenderWidth; }
int GetRenderHeight() { return this->RenderHeight; }
// parse and act on the command line arguments
int ParseCommandLineArguments(int argc, char *argv[]);
// get the arguments
vtksys::CommandLineArguments &GetArguments() { return this->Arguments; }
std::string GetSystemName() { return this->SystemName; }
std::vector<vtkRTTest *> TestsToRun;
std::vector<vtkRTTestSequence *> TestSequences;
protected:
int RunTests();
void ReportResults();
private:
std::string Regex; // regualr expression for tests
double TargetTime;
std::string SystemName;
vtksys::CommandLineArguments Arguments;
bool DisplayHelp;
bool ListTests;
bool NoChartResults;
int SequenceStart;
int SequenceEnd;
double SequenceStepTimeLimit;
std::string DetailedResultsFileName;
int RenderWidth;
int RenderHeight;
};
#endif
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