/*!
* Sets the pass's \a shaderProgram. This posts a ComponentUpdated
* QScenePropertyChange to the QChangeArbiter. The value is set to
* the \a ShaderProgram and the property name to "shaderProgram".
*/
void QRenderPass::setShaderProgram(QShaderProgram *shaderProgram)
{
Q_D(QRenderPass);
if (d->m_shader != shaderProgram) {
if (d->m_shader != Q_NULLPTR && d->m_changeArbiter != Q_NULLPTR) {
QScenePropertyChangePtr e(new QScenePropertyChange(NodeRemoved, QSceneChange::Node, id()));
e->setPropertyName("shaderProgram");
e->setValue(QVariant::fromValue(d->m_shader->id()));
d->notifyObservers(e);
}
d->m_shader = shaderProgram;
emit shaderProgramChanged();
// We need to add it as a child of the current node if it has been declared inline
// Or not previously added as a child of the current node so that
// 1) The backend gets notified about it's creation
// 2) When the current node is destroyed, it gets destroyed as well
if (!shaderProgram->parent())
shaderProgram->setParent(this);
if (d->m_changeArbiter != Q_NULLPTR) {
QScenePropertyChangePtr e(new QScenePropertyChange(NodeAdded, QSceneChange::Node, id()));
e->setPropertyName("shaderProgram");
e->setValue(QVariant::fromValue(shaderProgram->id()));
d->notifyObservers(e);
}
}
}
/*!
\property QShaderProgramBuilder::shaderProgram
Holds the shader program on which this builder generates code.
*/
void QShaderProgramBuilder::setShaderProgram(QShaderProgram *program)
{
Q_D(QShaderProgramBuilder);
if (program != d->m_shaderProgram) {
if (d->m_shaderProgram)
d->unregisterDestructionHelper(d->m_shaderProgram);
// We need to add it as a child of the current node if it has been declared inline
// Or not previously added as a child of the current node so that
// 1) The backend gets notified about it's creation
// 2) When the current node is destroyed, it gets destroyed as well
if (program && !program->parent())
program->setParent(this);
d->m_shaderProgram = program;
// Ensures proper bookkeeping
if (d->m_shaderProgram)
d->registerDestructionHelper(d->m_shaderProgram, &QShaderProgramBuilder::setShaderProgram, d->m_shaderProgram);
emit shaderProgramChanged(program);
}
}
