QGLShaderPrivate Class Reference

Inheritance diagram for QGLShaderPrivate:

Public Functions
bool	compile (QGLShader *q)
bool	create ()
void	deleteShader ()
	QGLShaderPrivate (const QGLContext *context, QGLShader::ShaderType type)
	~QGLShaderPrivate ()
Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)
void	addConnection (int signal, Connection *c)
void	cleanConnectionLists ()
void	connectNotify (const char *signal)
void	deleteChildren ()
void	disconnectNotify (const char *signal)
bool	isSender (const QObject *receiver, const char *signal) const
bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...
void	moveToThread_helper ()
	QObjectPrivate (int version=QObjectPrivateVersion)
QObjectList	receiverList (const char *signal) const
QObjectList	senderList () const
void	setParent_helper (QObject *)
void	setThreadData_helper (QThreadData *currentData, QThreadData *targetData)
int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...
virtual	~QObjectPrivate ()
Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Public Variables
bool	compiled
QString	log
QGLSharedResourceGuard	shaderGuard
QGLShader::ShaderType	shaderType
Public Variables inherited from QObjectPrivate
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
quint32	connectedSignals [2]
QObjectConnectionListVector *	connectionLists
Sender *	currentSender
QList< QPointer< QObject > >	eventFilters
ExtraData *	extraData
QString	objectName
Connection *	senders
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
QThreadData *	threadData
void *	unused
Public Variables inherited from QObjectData
uint	blockSig: 1
QObjectList	children
uint	hasGuards: 1
uint	inEventHandler: 1
uint	inThreadChangeEvent: 1
uint	isWidget: 1
QMetaObject *	metaObject
uint	ownObjectName: 1
QObject *	parent
uint	pendTimer: 1
int	postedEvents
QObject *	q_ptr
uint	receiveChildEvents: 1
uint	sendChildEvents: 1
uint	unused: 22
uint	wasDeleted: 1

Additional Inherited Members
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)
static QObjectPrivate *	get (QObject *o)
static void	resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
static Sender *	setCurrentSender (QObject *receiver, Sender *sender)
static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Detailed Description

Definition at line 199 of file qglshaderprogram.cpp.

Constructors and Destructors

QGLShaderPrivate()

QGLShaderPrivate::QGLShaderPrivate ( const QGLContext *  context, QGLShader::ShaderType  type  )

inline

Definition at line 203 of file qglshaderprogram.cpp.

        : shaderGuard(context)
        , shaderType(type)
        , compiled(false)
    {
    }

~QGLShaderPrivate()

QGLShaderPrivate::~QGLShaderPrivate

(

)

Definition at line 223 of file qglshaderprogram.cpp.

Referenced by QGLShaderPrivate().

{
    if (shaderGuard.id()) {
        QGLShareContextScope scope(shaderGuard.context());
        glDeleteShader(shaderGuard.id());
    }
}

Functions

compile()

bool QGLShaderPrivate::compile

(

QGLShader *

q

)

Definition at line 255 of file qglshaderprogram.cpp.

{
    GLuint shader = shaderGuard.id();
    if (!shader)
        return false;
    glCompileShader(shader);
    GLint value = 0;
    glGetShaderiv(shader, GL_COMPILE_STATUS, &value);
    compiled = (value != 0);
    value = 0;
    glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &value);
    if (!compiled && value > 1) {
        char *logbuf = new char [value];
        GLint len;
        glGetShaderInfoLog(shader, value, &len, logbuf);
        log = QString::fromLatin1(logbuf);
        QString name = q->objectName();

        const char *types[] = {
            "Fragment",
            "Vertex",
            "Geometry",
            ""
        };

        const char *type = types[3];
        if (shaderType == QGLShader::Fragment)
            type = types[0];
        else if (shaderType == QGLShader::Vertex)
            type = types[1];
        else if (shaderType == QGLShader::Geometry)
            type = types[2];

        if (name.isEmpty())
            qWarning("QGLShader::compile(%s): %s", type, qPrintable(log));
        else
            qWarning("QGLShader::compile(%s)[%s]: %s", type, qPrintable(name), qPrintable(log));

        delete [] logbuf;
    }
    return compiled;
}

create()

bool QGLShaderPrivate::create

(

)

Definition at line 231 of file qglshaderprogram.cpp.

{
    const QGLContext *context = shaderGuard.context();
    if (!context)
        return false;
    if (qt_resolve_glsl_extensions(const_cast<QGLContext *>(context))) {
        GLuint shader;
        if (shaderType == QGLShader::Vertex)
            shader = glCreateShader(GL_VERTEX_SHADER);
        else if (shaderType == QGLShader::Geometry)
            shader = glCreateShader(GL_GEOMETRY_SHADER_EXT);
        else
            shader = glCreateShader(GL_FRAGMENT_SHADER);
        if (!shader) {
            qWarning() << "QGLShader: could not create shader";
            return false;
        }
        shaderGuard.setId(shader);
        return true;
    } else {
        return false;
    }
}

deleteShader()

void QGLShaderPrivate::deleteShader

(

)

Definition at line 298 of file qglshaderprogram.cpp.

{
    if (shaderGuard.id()) {
        glDeleteShader(shaderGuard.id());
        shaderGuard.setId(0);
    }
}

Properties

compiled

bool QGLShaderPrivate::compiled

Definition at line 213 of file qglshaderprogram.cpp.

Referenced by compile().

log

QString QGLShaderPrivate::log

Definition at line 214 of file qglshaderprogram.cpp.

Referenced by compile().

shaderGuard

QGLSharedResourceGuard QGLShaderPrivate::shaderGuard

Definition at line 211 of file qglshaderprogram.cpp.

Referenced by compile(), create(), deleteShader(), and ~QGLShaderPrivate().

shaderType

QGLShader::ShaderType QGLShaderPrivate::shaderType

Definition at line 212 of file qglshaderprogram.cpp.

Referenced by compile(), and create().

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

• /src/opengl/qglshaderprogram.cpp