qgl_p.h File Reference

#include "QtOpenGL/qgl.h"
#include "QtOpenGL/qglcolormap.h"
#include "QtCore/qmap.h"
#include "QtCore/qthread.h"
#include "QtCore/qthreadstorage.h"
#include "QtCore/qhash.h"
#include "QtCore/qatomic.h"
#include "private/qwidget_p.h"
#include "qcache.h"
#include "qglpaintdevice_p.h"
#include <QtGui/private/qegl_p.h>
#include <AGL/agl.h>
#include <QtOpenGL/private/qglextensions_p.h>

Go to the source code of this file.

Classes
class	QGLContextGroup
class	QGLContextGroupResource< T >
class	QGLContextGroupResourceBase
class	QGLContextPrivate
class	QGLContextResource< T >
class	QGLContextResourceBase
class	QGLEngineThreadStorage< T >
class	QGLExtensionMatcher
class	QGLExtensions
class	QGLFormatPrivate
class	QGLShareContextScope
class	QGLSharedResourceGuard
class	QGLSignalProxy
class	QGLTemporaryContext
class	QGLTexture
class	QGLTextureCache
struct	QGLTextureCacheKey
class	QGLTextureDestroyer
class	QGLWidgetPrivate

Macros
#define	QT_GL_VERTEX_ARRAY_TRACKED_COUNT   3

Functions
bool	operator== (const QGLTextureCacheKey &a, const QGLTextureCacheKey &b)
uint	qHash (const QGLTextureCacheKey &key)
bool	qt_gl_preferGL2Engine ()
GLenum	qt_gl_preferredTextureFormat ()
GLenum	qt_gl_preferredTextureTarget ()
Q_OPENGL_EXPORT const QGLContext *	qt_gl_transfer_context (const QGLContext *)
Q_OPENGL_EXPORT QPaintEngine *	qt_qgl_paint_engine ()

Macro Definition Documentation

QT_GL_VERTEX_ARRAY_TRACKED_COUNT

#define QT_GL_VERTEX_ARRAY_TRACKED_COUNT   3

Definition at line 343 of file qgl_p.h.

Referenced by QGL2PaintEngineEx::beginNativePainting().

Function Documentation

operator==()

bool operator== ( const QGLTextureCacheKey &  a, const QGLTextureCacheKey &  b  )

inline

Definition at line 645 of file qgl_p.h.

{
    return a.key == b.key && a.group == b.group;
}

qHash()

uint qHash ( const QGLTextureCacheKey &  key )

inline

Definition at line 650 of file qgl_p.h.

{
    return qHash(key.key) ^ qHash(key.group);
}

qt_gl_preferGL2Engine()

bool qt_gl_preferGL2Engine

(

)

Definition at line 218 of file qgl.cpp.

Referenced by QGLTextureCache::getTexture(), QX11GLPixmapData::paintEngine(), QGLPixelBuffer::paintEngine(), QGLFramebufferObject::paintEngine(), qt_gl_preferredTextureTarget(), QGLWindowSurface::updateGeometry(), and QGLPixmapData::useFramebufferObjects().

{
    return qgl_engine_selector()->preferredPaintEngine() == QPaintEngine::OpenGL2;
}

qt_gl_preferredTextureFormat()

GLenum qt_gl_preferredTextureFormat ( )

inline

Definition at line 709 of file qgl_p.h.

Referenced by QGLPixmapData::bind(), and QGLPixmapData::ensureCreated().

{
    return (QGLExtensions::glExtensions() & QGLExtensions::BGRATextureFormat) && QSysInfo::ByteOrder == QSysInfo::LittleEndian
        ? GL_BGRA : GL_RGBA;
}

qt_gl_preferredTextureTarget()

GLenum qt_gl_preferredTextureTarget ( )

inline

Definition at line 715 of file qgl_p.h.

Referenced by QOpenGLPaintEngine::drawImage(), and QOpenGLPaintEngine::drawPixmap().

{
#if defined(QT_OPENGL_ES_2)
    return GL_TEXTURE_2D;
#else
    return (QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle)
           && !qt_gl_preferGL2Engine()
           ? GL_TEXTURE_RECTANGLE_NV
           : GL_TEXTURE_2D;
#endif
}

qt_gl_transfer_context()

Q_OPENGL_EXPORT const QGLContext* qt_gl_transfer_context

(

const QGLContext *

)

Definition at line 1716 of file qgl.cpp.

{
    if (!ctx)
        return 0;
    QList<const QGLContext *> shares
        (QGLContextPrivate::contextGroup(ctx)->shares());
    if (shares.size() >= 2)
        return (ctx == shares.at(0)) ? shares.at(1) : shares.at(0);
    else
        return 0;
}

qt_qgl_paint_engine()

Q_OPENGL_EXPORT QPaintEngine* qt_qgl_paint_engine

(

)

Definition at line 5530 of file qgl.cpp.

Referenced by QGLTextureCache::getTexture(), QBBGLPaintDevice::paintEngine(), QEglFSPaintDevice::paintEngine(), QGLWindowSurfaceGLPaintDevice::paintEngine(), and EAGLPaintDevice::paintEngine().

{
#if defined(QT_OPENGL_ES_1)
    return qt_gl_engine()->engine();
#elif defined(QT_OPENGL_ES_2)
    return qt_gl_2_engine()->engine();
#else
    if (qt_gl_preferGL2Engine())
        return qt_gl_2_engine()->engine();
    else
        return qt_gl_engine()->engine();
#endif
}