Shader loadShaderXml(QIODevice & ioDevice) {
QDomDocument dom;
Shader result;
dom.setContent(&ioDevice);
auto children = dom.documentElement().childNodes();
for (int i = 0; i < children.count(); ++i) {
auto child = children.at(i);
if (child.nodeName() == "url") {
result.url = child.firstChild().nodeValue();
} if (child.nodeName() == XML_FRAGMENT_SOURCE) {
result.fragmentSource = child.firstChild().nodeValue();
} if (child.nodeName() == XML_NAME) {
result.name = child.firstChild().nodeValue();
} else if (child.nodeName() == XML_CHANNEL) {
auto attributes = child.attributes();
int channelIndex = -1;
QString source;
if (attributes.contains(XML_CHANNEL_ATTR_ID)) {
channelIndex = attributes.namedItem(XML_CHANNEL_ATTR_ID).nodeValue().toInt();
}
if (channelIndex < 0 || channelIndex >= shadertoy::MAX_CHANNELS) {
continue;
}
// Compatibility mode
if (attributes.contains(XML_CHANNEL_ATTR_SOURCE)) {
source = attributes.namedItem(XML_CHANNEL_ATTR_SOURCE).nodeValue();
QRegExp re(CHANNEL_REGEX);
if (!re.exactMatch(source)) {
continue;
}
result.channelTypes[channelIndex] = channelTypeFromString(re.cap(1));
result.channelTextures[channelIndex] = ("preset://" + re.cap(1) + "/" + re.cap(2));
continue;
}
if (attributes.contains(XML_CHANNEL_ATTR_TYPE)) {
result.channelTypes[channelIndex] = channelTypeFromString(attributes.namedItem(XML_CHANNEL_ATTR_SOURCE).nodeValue());
result.channelTextures[channelIndex] = child.firstChild().nodeValue();
}
}
}
result.vrEnabled = result.fragmentSource.contains("#pragma vr");
return result;
}
void CameraInfoChannel::setChannelType(const QString &channelTypeName)
{
setChannelType(channelTypeFromString(channelTypeName));
}
CameraInfoChannel::CameraInfoChannel(const QString &channelTypeName, int id)
{
setChannelType(channelTypeFromString(channelTypeName));
_id = id;
}
