void makeShader() {
QStringList files;
files << "i420_to_rgb_simple.cpp" << "i420_to_rgb_filter.cpp" << "i420_to_rgb_kernel.cpp";
for (int i=0; i<files.size(); ++i) {
qDebug() << "Interpret" << files[i];
QProcess proc;
proc.setReadChannel(QProcess::StandardOutput);
QStringList args;
args << "-E" << files[i];
proc.start("g++", args, QProcess::ReadOnly);
const bool ready = proc.waitForReadyRead();
Q_ASSERT(ready);
QList<QByteArray> lines = proc.readAllStandardOutput().split('\n');
QByteArray output;
for (int j=0; j<lines.size(); ++j) {
if (!lines[j].startsWith('#')) {
output += lines[j];
output += '\n';
}
}
if (!proc.waitForFinished())
proc.kill();
Interpreter interpreter;
if (!interpreter.interpret(output))
qFatal("Interpreter Error: %s", qPrintable(interpreter.errorMessage()));
const QFileInfo info(files[i]);
const QString base = info.completeBaseName();
QFile fp(base + ".fp");
fp.open(QFile::WriteOnly | QFile::Truncate);
Q_ASSERT(fp.isOpen());
fp.write(interpreter.code());
fp.close();
args.clear();
args << "-i" << (base + ".fp") << ("../" + base + ".hpp");
proc.start("xxd", args, QProcess::ReadOnly);
if (!proc.waitForFinished())
proc.kill();
}
}
