////////////////////////////////////////////////////////////////////////////////
// Program main
////////////////////////////////////////////////////////////////////////////////
int
main(int argc, char **argv)
{
pArgc = &argc;
pArgv = argv;
char *ref_file = NULL;
printf("%s Starting...\n\n", sSDKsample);
if (checkCmdLineFlag(argc, (const char **)argv, "file"))
{
fpsLimit = frameCheckNumber;
getCmdLineArgumentString(argc, (const char **)argv, "file", &ref_file);
}
if (ref_file)
{
chooseCudaDevice(argc, argv, false);
loadVolumeData(argv[0]);
runAutoTest(ref_file, argv[0]);
}
else
{
// First initialize OpenGL context, so we can properly set the GL for CUDA.
// This is necessary in order to achieve optimal performance with OpenGL/CUDA interop.
initGL(&argc, argv);
// use command-line specified CUDA device, otherwise use device with highest Gflops/s
chooseCudaDevice(argc, argv, true);
// OpenGL buffers
initGLBuffers();
loadVolumeData(argv[0]);
}
printf("Press space to toggle animation\n"
"Press '+' and '-' to change displayed slice\n");
#if defined (__APPLE__) || defined(MACOSX)
atexit(cleanup);
#else
glutCloseFunc(cleanup);
#endif
glutMainLoop();
exit(EXIT_SUCCESS);
}
Volume* DefFileReader::loadVolume( std::string filePath )
{
FILE* fp;
int nx, ny, nz, offset;
float dx, dy, dz;
char data_file[256];
char transf_file[256];
fp = fopen(filePath.c_str(), "r");
if (!fp) return 0;
fscanf(fp, "%d %d %d %f %f %f %d\n", &nx, &ny, &nz, &dx, &dy, &dz, &offset);
fscanf(fp, "%s\n", data_file);
fscanf(fp, "%s\n", transf_file);
fclose(fp);
Volume* volume = new Volume( nx, ny, nz, dx, dy, dz, offset );
size_t pos = filePath.find_last_of( "/\\" );
std::string dataPath = filePath.substr( 0, pos + 1 );
dataPath += data_file;
loadVolumeData( dataPath, volume, offset );
std::string transferPath = filePath.substr( 0, pos + 1 );
transferPath += transf_file;
loadVolumeTransfer( transferPath, volume );
return volume;
}
int main(int argc, char **argv) {
if(argc < 2) {
std::cout << "IBL.exe configFile.txt" << std::endl;
return 0;
}
loadArguments(argc, argv);
loadVolumeData();
if(!strcmp(IBLext, "cam"))
lightProbeCapture = new LightProbeCapture();
precomputeSphericalHarmonics();
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH | GLUT_ALPHA);
glutInitWindowSize(windowWidth, windowHeight);
glutCreateWindow("Image-Based Lighting");
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutIdleFunc(idle);
glutKeyboardFunc(keyboard);
glutSpecialFunc(specialKeyboard);
glewInit();
initGL();
initShader("Shaders/IBL", 0);
initShader("Shaders/VRRaycasting", 1);
initShader("Shaders/VRImage", 2);
initShader("Shaders/FinalRendering", 3);
glUseProgram(0);
glutMainLoop();
delete volume;
delete minMaxOctree;
delete transferFunction;
delete myGLTextureViewer;
delete hdrImage;
if(!strcmp(IBLext, "cam"))
delete lightProbeCapture;
return 0;
}
