QGLFBOGLPaintDevice Class Reference

#include <qglframebufferobject_p.h>

Inheritance diagram for QGLFBOGLPaintDevice:

Public Functions
virtual bool	alphaRequested () const
virtual QGLContext *	context () const
virtual QGLFormat	format () const
virtual QPaintEngine *	paintEngine () const
void	setFBO (QGLFramebufferObject *f, QGLFramebufferObject::Attachment attachment)
virtual QSize	size () const
Public Functions inherited from QGLPaintDevice
virtual void	beginPaint ()
int	devType () const
virtual void	endPaint ()
virtual void	ensureActiveTarget ()
virtual bool	isFlipped () const
	QGLPaintDevice ()
virtual	~QGLPaintDevice ()
Public Functions inherited from QPaintDevice
int	colorCount () const
int	depth () const
virtual HDC	getDC () const
int	height () const
int	heightMM () const
int	logicalDpiX () const
int	logicalDpiY () const
QT_DEPRECATED int	numColors () const
bool	paintingActive () const
int	physicalDpiX () const
int	physicalDpiY () const
virtual void	releaseDC (HDC hdc) const
int	width () const
int	widthMM () const
virtual	~QPaintDevice ()

Properties
QGLFramebufferObject *	fbo
QGLFormat	fboFormat
bool	reqAlpha
bool	wasBound

Additional Inherited Members
Public Types inherited from QPaintDevice
enum	PaintDeviceMetric {   PdmWidth = 1, PdmHeight, PdmWidthMM, PdmHeightMM,   PdmNumColors, PdmDepth, PdmDpiX, PdmDpiY,   PdmPhysicalDpiX, PdmPhysicalDpiY }
Static Public Functions inherited from QGLPaintDevice
static QGLPaintDevice *	getDevice (QPaintDevice *)
Static Public Functions inherited from QPaintDevice
static QWSDisplay *	qwsDisplay ()
Protected Functions inherited from QGLPaintDevice
int	metric (QPaintDevice::PaintDeviceMetric metric) const
Protected Functions inherited from QPaintDevice
	QPaintDevice ()
Protected Variables inherited from QGLPaintDevice
GLuint	m_previousFBO
GLuint	m_thisFBO
Protected Variables inherited from QPaintDevice
ushort	painters
Related Functions inherited from QPaintDevice
const Q_GUI_EXPORT QX11Info *	qt_x11Info (const QPaintDevice *pd)
	Returns the QX11Info structure for the pd paint device. More...

Detailed Description

Definition at line 111 of file qglframebufferobject_p.h.

Functions

alphaRequested()

virtual bool QGLFBOGLPaintDevice::alphaRequested ( ) const

inlinevirtual

Reimplemented from QGLPaintDevice.

Definition at line 118 of file qglframebufferobject_p.h.

{ return reqAlpha; }

context()

QGLContext * QGLFBOGLPaintDevice::context ( ) const

virtual

Implements QGLPaintDevice.

Definition at line 383 of file qglframebufferobject.cpp.

{
    QGLContext *fboContext = const_cast<QGLContext *>(fbo->d_ptr->fbo_guard.context());
    QGLContext *currentContext = const_cast<QGLContext *>(QGLContext::currentContext());

    if (QGLContextPrivate::contextGroup(fboContext) == QGLContextPrivate::contextGroup(currentContext))
        return currentContext;
    else
        return fboContext;
}

format()

virtual QGLFormat QGLFBOGLPaintDevice::format ( ) const

inlinevirtual

Reimplemented from QGLPaintDevice.

Definition at line 117 of file qglframebufferobject_p.h.

{return fboFormat;}

paintEngine()

virtual QPaintEngine* QGLFBOGLPaintDevice::paintEngine ( ) const

inlinevirtual

Implements QPaintDevice.

Definition at line 114 of file qglframebufferobject_p.h.

{return fbo->paintEngine();}

setFBO()

void QGLFBOGLPaintDevice::setFBO	(	QGLFramebufferObject *	f,
		QGLFramebufferObject::Attachment	attachment
	)

Definition at line 355 of file qglframebufferobject.cpp.

{
    fbo = f;
    m_thisFBO = fbo->d_func()->fbo(); // This shouldn't be needed

    // The context that the fbo was created in may not have depth
    // and stencil buffers, but the fbo itself might.
    fboFormat = QGLContext::currentContext()->format();
    if (attachment == QGLFramebufferObject::CombinedDepthStencil) {
        fboFormat.setDepth(true);
        fboFormat.setStencil(true);
    } else if (attachment == QGLFramebufferObject::Depth) {
        fboFormat.setDepth(true);
        fboFormat.setStencil(false);
    } else {
        fboFormat.setDepth(false);
        fboFormat.setStencil(false);
    }

    GLenum format = f->format().internalTextureFormat();
    reqAlpha = (format != GL_RGB
#ifndef QT_OPENGL_ES
                && format != GL_RGB5 && format != GL_RGB8
#endif
    );
}

size()

virtual QSize QGLFBOGLPaintDevice::size ( ) const

inlinevirtual

Implements QGLPaintDevice.

Definition at line 115 of file qglframebufferobject_p.h.

{return fbo->size();}

Properties

fbo

QGLFramebufferObject* QGLFBOGLPaintDevice::fbo

private

Definition at line 124 of file qglframebufferobject_p.h.

fboFormat

QGLFormat QGLFBOGLPaintDevice::fboFormat

private

Definition at line 125 of file qglframebufferobject_p.h.

reqAlpha

bool QGLFBOGLPaintDevice::reqAlpha

private

Definition at line 127 of file qglframebufferobject_p.h.

wasBound

bool QGLFBOGLPaintDevice::wasBound

private

Definition at line 126 of file qglframebufferobject_p.h.

---

The documentation for this class was generated from the following files:

• /src/opengl/qglframebufferobject_p.h
• /src/opengl/qglframebufferobject.cpp