// THIS METHOD IS EXECUTED IN THE RENDERING THREAD
void QmlAsTexture::textureChanged()
{
if (!this->effectItem)
return ;
QSGDynamicTexture *txt = dynamic_cast<QSGDynamicTexture*>(this->provider->texture());
if (txt)
{
qDebug() << "Texture Id " << txt->textureId() << " SIZE " << txt->textureSize();
this->effectItem->setDynamicTexture(txt->textureId(), txt->textureSize());
}
}
void QSGDefaultImageNode::preprocess()
{
bool doDirty = false;
QSGDynamicTexture *t = qobject_cast<QSGDynamicTexture *>(m_material.texture());
if (t) {
doDirty = t->updateTexture();
updateGeometry();
}
bool alpha = m_material.flags() & QSGMaterial::Blending;
if (m_material.texture() && alpha != m_material.texture()->hasAlphaChannel()) {
m_material.setFlag(QSGMaterial::Blending, !alpha);
doDirty = true;
}
if (doDirty)
markDirty(DirtyMaterial);
}
void QSGBasicInternalImageNode::preprocess()
{
bool doDirty = false;
QSGDynamicTexture *t = qobject_cast<QSGDynamicTexture *>(materialTexture());
if (t) {
doDirty = t->updateTexture();
if (doDirty) {
// The geometry may need updating. This is expensive however, so do
// it only when something relevant has changed.
if (t != m_dynamicTexture
|| t->textureSize() != m_dynamicTextureSize
|| t->normalizedTextureSubRect() != m_dynamicTextureSubRect) {
updateGeometry();
m_dynamicTextureSize = t->textureSize();
m_dynamicTextureSubRect = t->normalizedTextureSubRect();
}
}
}
m_dynamicTexture = t;
if (updateMaterialBlending())
doDirty = true;
if (doDirty)
markDirty(DirtyMaterial);
}