1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
//-----------------------------------------------------------------------------
// Product: OpenCTM tools
// File: ctmbench.cpp
// Description: Load/save benchmark tool. This tools is actually just a quick
// hack used for development and testing. To change the compression
// parameters for the save benchmarks, a recompile is required.
//-----------------------------------------------------------------------------
// Copyright (c) 2009-2010 Marcus Geelnard
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//-----------------------------------------------------------------------------
#include <stdexcept>
#include <iostream>
#include <cstdlib>
#include <openctm.h>
#include "systimer.h"
using namespace std;
//-----------------------------------------------------------------------------
// BenchmarkLoads() - Benchmark function for loading OpenCTM files.
//-----------------------------------------------------------------------------
void BenchmarkLoads(int aIterations, const char * aFileName, double &tMin,
double &tMax, double &tTotal)
{
SysTimer timer;
// Iterate...
cout << "Doing " << aIterations << " load iterations..." << endl << flush;
for(int i = 0; i < aIterations; ++ i)
{
CTMimporter ctm;
// Start the timer
timer.Push();
// Load the file
ctm.Load(aFileName);
// Stop the timer
double t = timer.PopDelta();
if(i == 0)
{
tMin = t;
tMax = t;
}
else
{
if(t < tMin) tMin = t;
if(t > tMax) tMax = t;
}
tTotal += t;
}
}
//-----------------------------------------------------------------------------
// BenchmarkSaves() - Benchmark function for saving OpenCTM files.
//-----------------------------------------------------------------------------
void BenchmarkSaves(int aIterations, const char * aInFile, const char * aOutFile,
double &tMin, double &tMax, double &tTotal)
{
SysTimer timer;
// Load the file
CTMimporter in;
in.Load(aInFile);
// Extract mesh definition
CTMint triCount = in.GetInteger(CTM_TRIANGLE_COUNT);
CTMint vertCount = in.GetInteger(CTM_VERTEX_COUNT);
const CTMuint * indx = in.GetIntegerArray(CTM_INDICES);
const CTMfloat * vert = in.GetFloatArray(CTM_VERTICES);
const CTMfloat * norm = 0;
if(in.GetInteger(CTM_HAS_NORMALS))
norm = in.GetFloatArray(CTM_NORMALS);
// Iterate...
cout << "Doing " << aIterations << " save iterations..." << endl << flush;
for(int i = 0; i < aIterations; ++ i)
{
// Define the mesh
CTMexporter out;
out.DefineMesh(vert, vertCount, indx, triCount, norm);
int uvCount = in.GetInteger(CTM_UV_MAP_COUNT);
for(int k = 0; k < uvCount; ++ k)
{
const CTMfloat * uvMap = in.GetFloatArray(CTMenum(CTM_UV_MAP_1 + k));
const char * name = in.GetUVMapString(CTMenum(CTM_UV_MAP_1 + k), CTM_NAME);
const char * fileName = in.GetUVMapString(CTMenum(CTM_UV_MAP_1 + k), CTM_FILE_NAME);
out.AddUVMap(uvMap, name, fileName);
}
int attrCount = in.GetInteger(CTM_ATTRIB_MAP_COUNT);
for(int k = 0; k < attrCount; ++ k)
{
const CTMfloat * attrMap = in.GetFloatArray(CTMenum(CTM_ATTRIB_MAP_1 + k));
const char * name = in.GetAttribMapString(CTMenum(CTM_ATTRIB_MAP_1 + k), CTM_NAME);
out.AddAttribMap(attrMap, name);
}
// Select compression parameters
out.CompressionMethod(CTM_METHOD_MG1);
// Start the timer
timer.Push();
// Save the file
out.Save(aOutFile);
// Stop the timer
double t = timer.PopDelta();
if(i == 0)
{
tMin = t;
tMax = t;
}
else
{
if(t < tMin) tMin = t;
if(t > tMax) tMax = t;
}
tTotal += t;
}
}
//-----------------------------------------------------------------------------
// main() - Program entry.
//-----------------------------------------------------------------------------
int main(int argc, char **argv)
{
// Usage?
if((argc < 3) || (argc > 4))
{
cout << "Usage: ctmbench iterations infile [outfile]" << endl;
return 0;
}
// Get the number of iterations
int iterations;
iterations = atoi(argv[1]);
if(iterations < 1)
iterations = 1;
// Should we do load benchmarking or save benchmarking?
bool benchSave = (argc == 4);
try
{
double tMin = 0.0, tMax = 0.0, tTotal = 0.0;
if(benchSave)
BenchmarkSaves(iterations, argv[2], argv[3], tMin, tMax, tTotal);
else
BenchmarkLoads(iterations, argv[2], tMin, tMax, tTotal);
// Print report
cout << " Min: " << tMin * 1000.0 << " ms" << endl;
cout << " Max: " << tMax * 1000.0 << " ms" << endl;
cout << "Avg.: " << (tTotal / iterations) * 1000.0 << " ms" << endl;
}
catch(exception &e)
{
cout << "Error: " << e.what() << endl;
}
}
|
