/*!
\since 4.8
Returns a platform window format for the OpenGL format specified by \a format.
*/
QPlatformWindowFormat QGLFormat::toPlatformWindowFormat(const QGLFormat &format)
{
QPlatformWindowFormat retFormat;
retFormat.setAccum(format.accum());
if (format.accumBufferSize() >= 0)
retFormat.setAccumBufferSize(format.accumBufferSize());
retFormat.setAlpha(format.alpha());
if (format.alphaBufferSize() >= 0)
retFormat.setAlphaBufferSize(format.alphaBufferSize());
if (format.blueBufferSize() >= 0)
retFormat.setBlueBufferSize(format.blueBufferSize());
retFormat.setDepth(format.depth());
if (format.depthBufferSize() >= 0)
retFormat.setDepthBufferSize(format.depthBufferSize());
retFormat.setDirectRendering(format.directRendering());
retFormat.setDoubleBuffer(format.doubleBuffer());
if (format.greenBufferSize() >= 0)
retFormat.setGreenBufferSize(format.greenBufferSize());
if (format.redBufferSize() >= 0)
retFormat.setRedBufferSize(format.redBufferSize());
retFormat.setRgba(format.rgba());
retFormat.setSampleBuffers(format.sampleBuffers());
if (format.samples() >= 0)
retFormat.setSamples(format.samples());
retFormat.setStencil(format.stencil());
if (format.stencilBufferSize() >= 0)
retFormat.setStencilBufferSize(format.stencilBufferSize());
retFormat.setStereo(format.stereo());
retFormat.setSwapInterval(format.swapInterval());
return retFormat;
}
inline void GL3DShaderWidget::checkOpenGLPixelFormat(const QGLFormat &fmt)
{
QGLFormat lRealFormat = format();
if(fmt.depth() && !lRealFormat.depth()) printf("OpenGL Buffer Warning: depth buffer requested but NOT granted.\n");
if(fmt.alpha() && !lRealFormat.alpha()) printf("OpenGL Buffer Warning: alpha buffer requested but not granted.\n");
if(!fmt.doubleBuffer() && lRealFormat.doubleBuffer()) printf("OpenGL Buffer Warning: single buffer requested but NOT granted.\n");
if(fmt.doubleBuffer() && !lRealFormat.doubleBuffer()) printf("OpenGL Buffer Warning: double buffer requested but NOT granted.\n");
if(fmt.stereo() && !lRealFormat.stereo()) printf("OpenGL Buffer Warning: stereo buffer requested but NOT granted.\n");
if(!fmt.rgba() && lRealFormat.rgba()) printf("OpenGL Buffer Warning: indexed color mode requested but NOT granted.\n");
if(fmt.rgba() && !lRealFormat.rgba()) printf("OpenGL Buffer Warning: RGBA color mode requested but NOT granted.\n");
if(fmt.sampleBuffers() && !lRealFormat.sampleBuffers()) printf("OpenGL Buffer Warning: multisample buffers requested but NOT granted.\n");
if(fmt.accum() && !lRealFormat.accum()) printf("OpenGL Buffer Warning: accumulation buffer requested but not granted.\n");
if(fmt.stencil() && !lRealFormat.stencil()) printf("OpenGL Buffer Warning: stencil buffer requested but not granted.\n");
fflush(stdout);
}
void *QGLContext::chooseVisual()
{
static int bufDepths[] = { 8, 4, 2, 1 }; // Try 16, 12 also?
//todo: if pixmap, also make sure that vi->depth == pixmap->depth
void* vis = 0;
int i = 0;
bool fail = FALSE;
QGLFormat fmt = format();
bool tryDouble = !fmt.doubleBuffer(); // Some GL impl's only have double
bool triedDouble = FALSE;
while( !fail && !( vis = tryVisual( fmt, bufDepths[i] ) ) ) {
if ( !fmt.rgba() && bufDepths[i] > 1 ) {
i++;
continue;
}
if ( tryDouble ) {
fmt.setDoubleBuffer( TRUE );
tryDouble = FALSE;
triedDouble = TRUE;
continue;
}
else if ( triedDouble ) {
fmt.setDoubleBuffer( FALSE );
triedDouble = FALSE;
}
if ( fmt.stereo() ) {
fmt.setStereo( FALSE );
continue;
}
if ( fmt.accum() ) {
fmt.setAccum( FALSE );
continue;
}
if ( fmt.stencil() ) {
fmt.setStencil( FALSE );
continue;
}
if ( fmt.alpha() ) {
fmt.setAlpha( FALSE );
continue;
}
if ( fmt.depth() ) {
fmt.setDepth( FALSE );
continue;
}
if ( fmt.doubleBuffer() ) {
fmt.setDoubleBuffer( FALSE );
continue;
}
fail = TRUE;
}
glFormat = fmt;
return vis;
}
string glinfo::
pretty_format(const QGLFormat& f)
{
QGLFormat::OpenGLVersionFlags flag = f.openGLVersionFlags();
stringstream s;
s << "accum=" << f.accum() << endl
<< "accumBufferSize=" << f.accumBufferSize() << endl
<< "alpha=" << f.alpha() << endl
<< "alphaBufferSize=" << f.alphaBufferSize() << endl
<< "blueBufferSize=" << f.blueBufferSize() << endl
<< "depth=" << f.depth() << endl
<< "depthBufferSize=" << f.depthBufferSize() << endl
<< "directRendering=" << f.directRendering() << endl
<< "doubleBuffer=" << f.doubleBuffer() << endl
<< "greenBufferSize=" << f.greenBufferSize() << endl
<< "hasOverlay=" << f.hasOverlay() << endl
<< "redBufferSize=" << f.redBufferSize() << endl
<< "rgba=" << f.rgba() << endl
<< "sampleBuffers=" << f.sampleBuffers() << endl
<< "samples=" << f.samples() << endl
<< "stencil=" << f.stencil() << endl
<< "stencilBufferSize=" << f.stencilBufferSize() << endl
<< "stereo=" << f.stereo() << endl
<< "swapInterval=" << f.swapInterval() << endl
<< "" << endl
<< "hasOpenGL=" << f.hasOpenGL() << endl
<< "hasOpenGLOverlays=" << f.hasOpenGLOverlays() << endl
<< "OpenGL_Version_None=" << (QGLFormat::OpenGL_Version_None == flag) << endl
<< "OpenGL_Version_1_1=" << (QGLFormat::OpenGL_Version_1_1 & flag) << endl
<< "OpenGL_Version_1_2=" << (QGLFormat::OpenGL_Version_1_2 & flag) << endl
<< "OpenGL_Version_1_3=" << (QGLFormat::OpenGL_Version_1_3 & flag) << endl
<< "OpenGL_Version_1_4=" << (QGLFormat::OpenGL_Version_1_4 & flag) << endl
<< "OpenGL_Version_1_5=" << (QGLFormat::OpenGL_Version_1_5 & flag) << endl
<< "OpenGL_Version_2_0=" << (QGLFormat::OpenGL_Version_2_0 & flag) << endl
<< "OpenGL_Version_2_1=" << (QGLFormat::OpenGL_Version_2_1 & flag) << endl
<< "OpenGL_Version_3_0=" << (QGLFormat::OpenGL_Version_3_0 & flag) << endl
<< "OpenGL_ES_CommonLite_Version_1_0=" << (QGLFormat::OpenGL_ES_CommonLite_Version_1_0 & flag) << endl
<< "OpenGL_ES_Common_Version_1_0=" << (QGLFormat::OpenGL_ES_Common_Version_1_0 & flag) << endl
<< "OpenGL_ES_CommonLite_Version_1_1=" << (QGLFormat::OpenGL_ES_CommonLite_Version_1_1 & flag) << endl
<< "OpenGL_ES_Common_Version_1_1=" << (QGLFormat::OpenGL_ES_Common_Version_1_1 & flag) << endl
<< "OpenGL_ES_Version_2_0=" << (QGLFormat::OpenGL_ES_Version_2_0 & flag) << endl;
return s.str();
}
TwoDFrame::TwoDFrame( QWidget * parent, Qt::WFlags f ) :
QFrame(parent, f) {
setFocusPolicy(Qt::StrongFocus);
// Create our OpenGL widget.
QGLFormat fmt;
fmt.setAlpha(true);
fmt.setRgba(true);
fmt.setDoubleBuffer(true);
fmt.setDirectRendering(true);
glTwoDWindow = new GLTwoDWindow(fmt, this, "gltwoDwindow", this);
if (!(fmt.directRendering() && fmt.rgba() && fmt.alpha() && fmt.doubleBuffer())){
Params::BailOut("Unable to obtain required OpenGL rendering format",__FILE__,__LINE__);
}
QHBoxLayout* flayout = new QHBoxLayout( this);
flayout->addWidget( glTwoDWindow, 1 );
twoDParams = 0;
isDataWindow = true;
}
// static
void SharedGLContext::setWidget(const QGLWidget* pWidget) {
s_pSharedGLWidget = pWidget;
qDebug() << "Set root GL Context widget valid:"
<< pWidget << (pWidget && pWidget->isValid());
const QGLContext* pContext = pWidget->context();
qDebug() << "Created root GL Context valid:" << pContext
<< (pContext && pContext->isValid());
if (pWidget) {
QGLFormat format = pWidget->format();
qDebug() << "Root GL Context format:";
qDebug() << "Double Buffering:" << format.doubleBuffer();
qDebug() << "Swap interval:" << format.swapInterval();
qDebug() << "Depth buffer:" << format.depth();
qDebug() << "Direct rendering:" << format.directRendering();
qDebug() << "Has overlay:" << format.hasOverlay();
qDebug() << "RGBA:" << format.rgba();
qDebug() << "Sample buffers:" << format.sampleBuffers();
qDebug() << "Samples:" << format.samples();
qDebug() << "Stencil buffers:" << format.stencil();
qDebug() << "Stereo:" << format.stereo();
}
}
/*
See qgl.cpp for qdoc comment.
*/
void *QGLContext::chooseVisual()
{
Q_D(QGLContext);
static const int bufDepths[] = { 8, 4, 2, 1 }; // Try 16, 12 also?
//todo: if pixmap, also make sure that vi->depth == pixmap->depth
void* vis = 0;
int i = 0;
bool fail = false;
QGLFormat fmt = format();
bool tryDouble = !fmt.doubleBuffer(); // Some GL impl's only have double
bool triedDouble = false;
bool triedSample = false;
if (fmt.sampleBuffers())
fmt.setSampleBuffers(QGLExtensions::glExtensions & QGLExtensions::SampleBuffers);
while(!fail && !(vis = tryVisual(fmt, bufDepths[i]))) {
if (!fmt.rgba() && bufDepths[i] > 1) {
i++;
continue;
}
if (tryDouble) {
fmt.setDoubleBuffer(true);
tryDouble = false;
triedDouble = true;
continue;
} else if (triedDouble) {
fmt.setDoubleBuffer(false);
triedDouble = false;
}
if (!triedSample && fmt.sampleBuffers()) {
fmt.setSampleBuffers(false);
triedSample = true;
continue;
}
if (fmt.stereo()) {
fmt.setStereo(false);
continue;
}
if (fmt.accum()) {
fmt.setAccum(false);
continue;
}
if (fmt.stencil()) {
fmt.setStencil(false);
continue;
}
if (fmt.alpha()) {
fmt.setAlpha(false);
continue;
}
if (fmt.depth()) {
fmt.setDepth(false);
continue;
}
if (fmt.doubleBuffer()) {
fmt.setDoubleBuffer(false);
continue;
}
fail = true;
}
d->glFormat = fmt;
return vis;
}