void CodeGenerator::writeCoreHelperClasses(const QString &fileName, ClassComponent component) const
{
if (!m_parser)
return;
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
return;
QTextStream stream(&file);
// Write the preamble
writePreamble(fileName, stream);
// Iterate over each OpenGL version. For each version output a private class for
// core functions and a private class for deprecated functions.
const QString privateRootClass = QStringLiteral("QOpenGLVersionFunctionsBackend");
Q_FOREACH (const VersionProfile &versionProfile, m_parser->versionProfiles()) {
switch (component) {
case Declaration:
writeBackendClassDeclaration(stream, versionProfile, privateRootClass);
break;
case Definition:
writeBackendClassImplementation(stream, versionProfile, privateRootClass);
break;
}
}
// Write the postamble
writePostamble(fileName, stream);
}
void CodeGenerator::writeCoreFactoryHeader(const QString &fileName) const
{
if (!m_parser)
return;
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
return;
QTextStream stream(&file);
// Write the preamble
writePreamble(fileName, stream);
// Write the postamble
writePostamble(fileName, stream);
}
void CodeGenerator::writeCoreFactoryImplementation(const QString &fileName) const
{
if (!m_parser)
return;
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
return;
QTextStream stream(&file);
// Write the preamble
writePreamble(fileName, stream);
// Get the set of version functions classes we need to create
QList<Version> versions = m_parser->versions();
qSort(versions.begin(), versions.end(), qGreater<Version>());
// Outout the #include statements
stream << QStringLiteral("#if !defined(QT_OPENGL_ES_2)") << endl;
Q_FOREACH (const Version &classVersion, versions) {
if (!versionHasProfiles(classVersion)) {
stream << QString(QStringLiteral("#include \"qopenglfunctions_%1_%2.h\""))
.arg(classVersion.major)
.arg(classVersion.minor) << endl;
} else {
const QList<VersionProfile::OpenGLProfile> profiles = (QList<VersionProfile::OpenGLProfile>()
<< VersionProfile::CoreProfile << VersionProfile::CompatibilityProfile);
Q_FOREACH (const VersionProfile::OpenGLProfile profile, profiles) {
const QString profileSuffix = profile == VersionProfile::CoreProfile
? QStringLiteral("core")
: QStringLiteral("compatibility");
stream << QString(QStringLiteral("#include \"qopenglfunctions_%1_%2_%3.h\""))
.arg(classVersion.major)
.arg(classVersion.minor)
.arg(profileSuffix) << endl;
}
}
}
stream << QStringLiteral("#else") << endl;
stream << QStringLiteral("#include \"qopenglfunctions_es2.h\"") << endl;
stream << QStringLiteral("#endif") << endl;
stream << endl;
stream << QStringLiteral("QT_BEGIN_NAMESPACE") << endl << endl;
stream << QStringLiteral("QAbstractOpenGLFunctions *QOpenGLVersionFunctionsFactory::create(const QOpenGLVersionProfile &versionProfile)") << endl;
stream << QStringLiteral("{") << endl;
stream << QStringLiteral("#if !defined(QT_OPENGL_ES_2)") << endl;
stream << QStringLiteral(" const int major = versionProfile.version().first;") << endl;
stream << QStringLiteral(" const int minor = versionProfile.version().second;") << endl << endl;
// Iterate over classes with profiles
stream << QStringLiteral(" if (versionProfile.hasProfiles()) {") << endl;
stream << QStringLiteral(" switch (versionProfile.profile()) {") << endl;
const QList<VersionProfile::OpenGLProfile> profiles = (QList<VersionProfile::OpenGLProfile>()
<< VersionProfile::CoreProfile << VersionProfile::CompatibilityProfile);
Q_FOREACH (const VersionProfile::OpenGLProfile profile, profiles) {
const QString caseLabel = profile == VersionProfile::CoreProfile
? QStringLiteral("QSurfaceFormat::CoreProfile")
: QStringLiteral("QSurfaceFormat::CompatibilityProfile");
stream << QString(QStringLiteral(" case %1:")).arg(caseLabel) << endl;
int i = 0;
Q_FOREACH (const Version &classVersion, versions) {
if (!versionHasProfiles(classVersion))
continue;
const QString ifString = (i++ == 0) ? QStringLiteral("if") : QStringLiteral("else if");
stream << QString(QStringLiteral(" %1 (major == %2 && minor == %3)"))
.arg(ifString)
.arg(classVersion.major)
.arg(classVersion.minor) << endl;
VersionProfile v;
v.version = classVersion;
v.profile = profile;
stream << QString(QStringLiteral(" return new %1;"))
.arg(generateClassName(v)) << endl;
}
stream << QStringLiteral(" break;") << endl << endl;
}
stream << QStringLiteral(" case QSurfaceFormat::NoProfile:") << endl;
stream << QStringLiteral(" default:") << endl;
stream << QStringLiteral(" break;") << endl;
stream << QStringLiteral(" };") << endl;
stream << QStringLiteral(" } else {") << endl;
// Iterate over the legacy classes (no profiles)
int i = 0;
Q_FOREACH (const Version &classVersion, versions) {
if (versionHasProfiles(classVersion))
continue;
const QString ifString = (i++ == 0) ? QStringLiteral("if") : QStringLiteral("else if");
stream << QString(QStringLiteral(" %1 (major == %2 && minor == %3)"))
.arg(ifString)
.arg(classVersion.major)
.arg(classVersion.minor) << endl;
VersionProfile v;
v.version = classVersion;
stream << QString(QStringLiteral(" return new %1;"))
.arg(generateClassName(v)) << endl;
}
stream << QStringLiteral(" }") << endl;
stream << QStringLiteral(" return 0;") << endl;
stream << QStringLiteral("#else") << endl;
stream << QStringLiteral(" Q_UNUSED(versionProfile);") << endl;
stream << QStringLiteral(" return new QOpenGLFunctions_ES2;") << endl;
stream << QStringLiteral("#endif") << endl;
stream << QStringLiteral("}") << endl;
// Write the postamble
writePostamble(fileName, stream);
}
void EpsWriter::close() {
writePostamble();
fclose ( output );
}
