void init() {
glewExperimental = GL_TRUE;
GLenum err = glewInit();
if (GLEW_OK != err) {
std::cerr << "Error: " << glewGetErrorString(err) << std::endl;
} else {
if (GLEW_VERSION_3_3) {
std::cout << "Driver supports OpenGL 3.3\nDetails:" << std::endl;
std::cout << "Using GLEW " << glewGetString(GLEW_VERSION) << std::endl;
std::cout << "Vendor: " << glGetString(GL_VENDOR) << std::endl;
std::cout << "Renderer: " << glGetString(GL_RENDERER) << std::endl;
std::cout << "Version: " << glGetString(GL_VERSION) << std::endl;
std::cout << "GLSL: " << glGetString(GL_SHADING_LANGUAGE_VERSION) << std::endl;
}
}
// FIXME: GLEW Init causes "Invalid enumerant" OpenGL error!
// Supressing it now as the pipeline seems working.
GLenum error = glGetError();
if (GL_NO_ERROR != error) {
// std::cout << "Error: " << gluErrorString(error) << std::endl;
}
fullscreenQuad = new Quad();
simpleShader = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/simple.frag");
gaussShader = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/gauss.frag");
gaussShaderH = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/gaussH.frag");
gaussShaderV = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/gaussV.frag");
WE_addForce = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/addForce.frag");
WE_iteration_1 = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/iteration.frag");
WE_iteration_2 = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/iteration2.frag");
WE_iteration_3 = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/iteration3.frag");
WE_visualize = new Shader("../src/lab3/shaders/passthrough.vert", "../src/lab3/shaders/visualize.frag");
texture = new Texture2D();
texture->loadFromFile(std::string("../img/lena.jpg"));
if (1 == example) {
glutReshapeWindow(texture->getWidth(), texture->getHeight());
}
computeBuffer[0] = new Framebuffer(texture->getWidth(), texture->getHeight(), 1);
computeBuffer[1] = new Framebuffer(texture->getWidth(), texture->getHeight(), 1);
WE_computeBuffer[0] = new Framebuffer(600, 600, 1);
WE_computeBuffer[1] = new Framebuffer(600, 600, 1);
resetWave();
addForce(300, 300);
}
void keyboard(unsigned char key, int x, int y) {
switch (key) {
case 27:
exit(0);
break;
case '1':
example = 1;
break;
case '2':
example = 2;
break;
case '3':
example = 3;
break;
case '4':
example = 4;
break;
case '5':
example = 5;
break;
case '6':
example = 6;
break;
case '+':
npasses += 1;
break;
case '-':
npasses = MAX(npasses - 1, 1);
break;
case ' ':
resetWave();
break;
default:
std::cout << "Unbinded key: " << (unsigned int) key << std::endl;
}
inputBuffer = 0;
glutPostRedisplay();
}
bool RDHPIRecordStream::recordReady()
{
HW16 hpi_error=0;
char hpi_text[200];
if(debug) {
printf("RDHPIRecordStream: received recordReady()\n");
}
if(!is_open) {
return false;
}
if((!is_recording)&&(!is_paused)) {
resetWave();
if(HPI_InStreamGetInfoEx(hpi_subsys,hpi_stream,
&state,&buffer_size,&data_recorded,
&samples_recorded,&reserved)!=0) {
if(debug) {
printf("RDHPIRecordStream: HPI_InStreamGetInfoEx() failed\n");
}
return false;
}
fragment_size=buffer_size/4;
if(fragment_size>192000) { // ALSA Compatibility Limitation
fragment_size=192000;
}
fragment_time=(1000*fragment_size)/(getAvgBytesPerSec());
if(pdata!=NULL) {
delete pdata;
}
pdata=(HW8 *)malloc(fragment_size);
if(pdata==NULL) {
if(debug) {
printf("RDHPIRecordStream: couldn't allocate buffer\n");
}
return false;
}
switch(getFormatTag()) {
case WAVE_FORMAT_PCM:
if(debug) {
printf("RDHPIRecordStream: using PCM%d format\n",
getBitsPerSample());
}
switch(getBitsPerSample()) {
case 8:
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_PCM8_UNSIGNED,getSamplesPerSec(),
0,0);
break;
case 16:
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_PCM16_SIGNED,getSamplesPerSec(),
0,0);
break;
case 32:
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_PCM32_SIGNED,getSamplesPerSec(),
0,0);
break;
default:
if(debug) {
printf("RDHPIRecordStream: unsupported sample size\n");
}
return false;
}
break;
case WAVE_FORMAT_MPEG:
if(debug) {
printf("RDHPIRecordStream: using MPEG-1 Layer %d\n",getHeadLayer());
}
switch(getHeadLayer()) {
case 1:
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_MPEG_L1,getSamplesPerSec(),
getHeadBitRate(),getHeadFlags());
break;
case 2:
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_MPEG_L2,getSamplesPerSec(),
getHeadBitRate(),getHeadFlags());
break;
case 3:
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_MPEG_L3,getSamplesPerSec(),
getHeadBitRate(),getHeadFlags());
break;
default:
HPI_AdapterClose(hpi_subsys,card_number);
if(debug) {
printf("RDHPIRecordStream: invalid MPEG-1 layer\n");
}
return false;
}
if(getMextChunk()) {
setMextHomogenous(true);
setMextPaddingUsed(false);
setMextHackedBitRate(true);
setMextFreeFormat(false);
setMextFrameSize(144*getHeadBitRate()/getSamplesPerSec());
setMextAncillaryLength(5);
setMextLeftEnergyPresent(true);
if(getChannels()>1) {
setMextRightEnergyPresent(true);
}
else {
setMextRightEnergyPresent(false);
}
setMextPrivateDataPresent(false);
}
break;
case WAVE_FORMAT_VORBIS:
if(debug) {
printf("RDHPIRecordStream: using OggVorbis\n");
}
HPI_FormatCreate(&format,getChannels(),
HPI_FORMAT_PCM16_SIGNED,getSamplesPerSec(),
0,0);
break;
default:
if(debug) {
printf("RDHPIRecordStream: invalid format tag\n");
}
return false;
break;
}
if((hpi_error=HPI_InStreamQueryFormat(hpi_subsys,hpi_stream,
&format))!=0) {
if(debug) {
HPI_GetErrorText(hpi_error,hpi_text);
printf("Num: %d\n",hpi_error);
printf("RDHPIRecordStream: %s\n",hpi_text);
}
return false;
}
}
#if HPI_VER < 0x00030500
HPI_DataCreate(&hpi_data,&format,pdata,fragment_size);
#endif
HPI_InStreamSetFormat(hpi_subsys,hpi_stream,&format);
HPI_InStreamStart(hpi_subsys,hpi_stream);
// clock->start(2*fragment_time/3);
clock->start(100);
is_ready=true;
is_recording=false;
is_paused=false;
stopping=false;
emit isStopped(false);
emit ready();
emit stateChanged(card_number,stream_number,1); // RecordReady
if(debug) {
printf("RDHPIRecordStream: emitted isStopped(false)\n");
printf("RDHPIRecordStream: emitted ready()\n");
printf("RDHPIRecordStream: emitted stateChanged(%d,%d,RDHPIRecordStream::RecordReady)\n",card_number,stream_number);
}
return true;
}
int main( int argc, char **argv )
{
ChangeList::setReadWriteDefault();
osgInit(argc,argv);
_main_thread = Thread::getCurrent();
_sync_barrier = Barrier::get("RenderBarrier");
QApplication::setColorSpec( QApplication::CustomColor );
QApplication a( argc, argv );
if(!QGLFormat::hasOpenGL())
{
qWarning( "This system has no OpenGL support. Exiting." );
return -1;
}
_render_widget = new OpenSGWidget(QGLFormat(QGL::DoubleBuffer | QGL::DepthBuffer | QGL::Rgba |
QGL::DirectRendering));
NodePtr scene = makePlane(1.0, 1.0, 50, 50);
MaterialChunkPtr matc = MaterialChunk::create();
beginEditCP(matc);
matc->setAmbient(Color4f(0.3, 0.3, 0.3, 1.0));
matc->setDiffuse(Color4f(0.2, 0.2, 0.8, 1.0));
matc->setSpecular(Color4f(0.6, 0.6, 0.6, 1.0));
matc->setShininess(100);
endEditCP(matc);
ChunkMaterialPtr cmat = ChunkMaterial::create();
beginEditCP(cmat);
cmat->addChunk(matc);
endEditCP(cmat);
_geo = GeometryPtr::dcast(scene->getCore());
beginEditCP(_geo);
_geo->setDlistCache(false);
_geo->setMaterial(cmat);
endEditCP(_geo);
initWave();
resetWave();
_render_widget->getManager()->setRoot(scene);
_render_widget->getManager()->showAll();
_render_widget->getManager()->getNavigator()->setFrom(Pnt3f(1.0f, -1.0f, 1.0f));
_render_widget->getManager()->getNavigator()->setUp(Vec3f(0.0f, 0.0f, 1.0f));
_render_widget->show();
while(!_render_widget->isInitialized())
qApp->processEvents();
// The gl widget is initialized in the main thread!
// Without the doneCurrent() the next makeCurrent() call in the render thread
// doesn't work because qt thinks that the context is already current but this
// was in the main thread ...
_render_widget->doneCurrent();
// start render thread
_render_thread = dynamic_cast<Thread *>(ThreadManager::the()->getThread("RenderThread"));
_render_thread->runFunction(renderThread, 1, NULL);
// main loop
while(!_quit)
{
mainThread();
// sync
_sync_barrier->enter(2);
if(_do_quit)
_quit = true;
_sync_barrier->enter(2);
_main_thread->getChangeList()->clearAll();
qApp->processEvents();
}
Thread::join(_render_thread);
return 0;
}
