QGLCustomShaderStage Class Reference

#include <qglcustomshaderstage_p.h>

Inheritance diagram for QGLCustomShaderStage:

Public Functions
	QGLCustomShaderStage ()
void	removeFromPainter (QPainter *)
void	setInactive ()
bool	setOnPainter (QPainter *)
virtual void	setUniforms (QGLShaderProgram *)
void	setUniformsDirty ()
QByteArray	source () const
virtual	~QGLCustomShaderStage ()

Protected Functions
void	setSource (const QByteArray &)

Properties
QGLCustomShaderStagePrivate *	d_ptr

Detailed Description

Definition at line 65 of file qglcustomshaderstage_p.h.

Constructors and Destructors

QGLCustomShaderStage()

QGLCustomShaderStage::QGLCustomShaderStage

(

)

Definition at line 62 of file qglcustomshaderstage.cpp.

    : d_ptr(new QGLCustomShaderStagePrivate)
{
}

~QGLCustomShaderStage()

QGLCustomShaderStage::~QGLCustomShaderStage ( )

virtual

Definition at line 67 of file qglcustomshaderstage.cpp.

{
    Q_D(QGLCustomShaderStage);
    if (d->m_manager) {
        d->m_manager->removeCustomStage();
        d->m_manager->sharedShaders->cleanupCustomStage(this);
    }
}

Functions

removeFromPainter()

void QGLCustomShaderStage::removeFromPainter

(

QPainter *

p

)

Definition at line 101 of file qglcustomshaderstage.cpp.

Referenced by QGLPixmapColorizeFilter::processGL(), QGLPixmapConvolutionFilter::processGL(), and QGLPixmapDropShadowFilter::processGL().

{
    Q_D(QGLCustomShaderStage);
    if (p->paintEngine()->type() != QPaintEngine::OpenGL2)
        return;

    QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx*>(p->paintEngine());
    d->m_manager = QGL2PaintEngineExPrivate::shaderManagerForEngine(engine);
    Q_ASSERT(d->m_manager);

    // Just set the stage to null, don't call removeCustomStage().
    // This should leave the program in a compiled/linked state
    // if the next custom shader stage is this one again.
    d->m_manager->setCustomStage(0);
    d->m_manager = 0;
}

setInactive()

void QGLCustomShaderStage::setInactive

(

)

Definition at line 126 of file qglcustomshaderstage.cpp.

Referenced by QGLEngineShaderManager::removeCustomStage().

{
    Q_D(QGLCustomShaderStage);
    d->m_manager = 0;
}

setOnPainter()

bool QGLCustomShaderStage::setOnPainter

(

QPainter *

p

)

Definition at line 83 of file qglcustomshaderstage.cpp.

Referenced by QGLPixmapColorizeFilter::processGL(), QGLPixmapConvolutionFilter::processGL(), and QGLPixmapDropShadowFilter::processGL().

{
    Q_D(QGLCustomShaderStage);
    if (p->paintEngine()->type() != QPaintEngine::OpenGL2) {
        qWarning("QGLCustomShaderStage::setOnPainter() - paint engine not OpenGL2");
        return false;
    }
    if (d->m_manager)
        qWarning("Custom shader is already set on a painter");

    QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx*>(p->paintEngine());
    d->m_manager = QGL2PaintEngineExPrivate::shaderManagerForEngine(engine);
    Q_ASSERT(d->m_manager);

    d->m_manager->setCustomStage(this);
    return true;
}

setSource()

void QGLCustomShaderStage::setSource ( const QByteArray &  s )

protected

Definition at line 132 of file qglcustomshaderstage.cpp.

Referenced by QGLPixmapConvolutionFilter::processGL(), QGLCustomShaderEffectStage::QGLCustomShaderEffectStage(), and QGLPixmapDropShadowFilter::QGLPixmapDropShadowFilter().

{
    Q_D(QGLCustomShaderStage);
    d->m_source = s;
}

setUniforms()

virtual void QGLCustomShaderStage::setUniforms ( QGLShaderProgram *  )

inlinevirtual

Reimplemented in QGLCustomShaderEffectStage, QGLPixmapDropShadowFilter, QGLPixmapConvolutionFilter, and QGLPixmapColorizeFilter.

Definition at line 71 of file qglcustomshaderstage_p.h.

Referenced by QGLEngineShaderManager::useCorrectShaderProg().

{}

setUniformsDirty()

void QGLCustomShaderStage::setUniformsDirty

(

)

Definition at line 76 of file qglcustomshaderstage.cpp.

{
    Q_D(QGLCustomShaderStage);
    if (d->m_manager)
        d->m_manager->setDirty(); // ### Probably a bit overkill!
}

source()

QByteArray QGLCustomShaderStage::source

(

)

const

Definition at line 118 of file qglcustomshaderstage.cpp.

Referenced by QGLEngineSharedShaders::cleanupCustomStage(), and QGLEngineShaderManager::useCorrectShaderProg().

{
    Q_D(const QGLCustomShaderStage);
    return d->m_source;
}

Properties

d_ptr

QGLCustomShaderStagePrivate* QGLCustomShaderStage::d_ptr

private

Definition at line 84 of file qglcustomshaderstage_p.h.

---

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

• /src/opengl/gl2paintengineex/qglcustomshaderstage_p.h
• /src/opengl/gl2paintengineex/qglcustomshaderstage.cpp