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Show parsing time.

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This commit is contained in:
Syoyo Fujita
2016-07-01 23:35:39 +09:00
parent e85155b2dd
commit 0389e23847
1 changed files with 88 additions and 1 deletions
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89
loader_example.cc
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@@ -11,6 +11,89 @@
#include <sstream>
#include <fstream>
#ifdef _WIN32
#ifdef __cplusplus
extern "C" {
#endif
#include <windows.h>
#include <mmsystem.h>
#ifdef __cplusplus
}
#endif
#pragma comment(lib, "winmm.lib")
#else
#if defined(__unix__) || defined(__APPLE__)
#include <sys/time.h>
#else
#include <ctime>
#endif
#endif
class timerutil {
public:
#ifdef _WIN32
typedef DWORD time_t;
timerutil() { ::timeBeginPeriod(1); }
~timerutil() { ::timeEndPeriod(1); }
void start() { t_[0] = ::timeGetTime(); }
void end() { t_[1] = ::timeGetTime(); }
time_t sec() { return (time_t)((t_[1] - t_[0]) / 1000); }
time_t msec() { return (time_t)((t_[1] - t_[0])); }
time_t usec() { return (time_t)((t_[1] - t_[0]) * 1000); }
time_t current() { return ::timeGetTime(); }
#else
#if defined(__unix__) || defined(__APPLE__)
typedef unsigned long int time_t;
void start() { gettimeofday(tv + 0, &tz); }
void end() { gettimeofday(tv + 1, &tz); }
time_t sec() { return static_cast<time_t>(tv[1].tv_sec - tv[0].tv_sec); }
time_t msec() {
return this->sec() * 1000 +
static_cast<time_t>((tv[1].tv_usec - tv[0].tv_usec) / 1000);
}
time_t usec() {
return this->sec() * 1000000 + static_cast<time_t>(tv[1].tv_usec - tv[0].tv_usec);
}
time_t current() {
struct timeval t;
gettimeofday(&t, NULL);
return static_cast<time_t>(t.tv_sec * 1000 + t.tv_usec);
}
#else // C timer
// using namespace std;
typedef clock_t time_t;
void start() { t_[0] = clock(); }
void end() { t_[1] = clock(); }
time_t sec() { return (time_t)((t_[1] - t_[0]) / CLOCKS_PER_SEC); }
time_t msec() { return (time_t)((t_[1] - t_[0]) * 1000 / CLOCKS_PER_SEC); }
time_t usec() { return (time_t)((t_[1] - t_[0]) * 1000000 / CLOCKS_PER_SEC); }
time_t current() { return (time_t)clock(); }
#endif
#endif
private:
#ifdef _WIN32
DWORD t_[2];
#else
#if defined(__unix__) || defined(__APPLE__)
struct timeval tv[2];
struct timezone tz;
#else
time_t t_[2];
#endif
#endif
};
static void PrintInfo(const tinyobj::attrib_t &attrib, const std::vector<tinyobj::shape_t>& shapes, const std::vector<tinyobj::material_t>& materials)
{
std::cout << "# of vertices : " << (attrib.vertices.size() / 3) << std::endl;
@@ -55,7 +138,7 @@ static void PrintInfo(const tinyobj::attrib_t &attrib, const std::vector<tinyobj
for (size_t f = 0; f < shapes[i].mesh.num_face_vertices.size(); f++) {
size_t fnum = shapes[i].mesh.num_face_vertices[f];
printf(" face[%ld].fnum = %d\n", static_cast<long>(f), static_cast<unsigned long>(fnum));
printf(" face[%ld].fnum = %ld\n", static_cast<long>(f), static_cast<unsigned long>(fnum));
// For each vertex in the face
for (size_t v = 0; v < fnum; v++) {
@@ -147,8 +230,12 @@ TestLoadObj(
std::vector<tinyobj::shape_t> shapes;
std::vector<tinyobj::material_t> materials;
timerutil t;
t.start();
std::string err;
bool ret = tinyobj::LoadObj(&attrib, &shapes, &materials, &err, filename, basepath, triangulate);
t.end();
printf("Parsing time: %lu [msecs]\n", t.msec());
if (!err.empty()) {
std::cerr << err << std::endl;