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Offload more work

This commit is contained in:
ArsenArsen 2017-05-29 23:02:06 +02:00
parent dd8683b9e8
commit ebb99beeff
1 changed files with 8 additions and 2 deletions
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10
worker/worker.cpp
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@ -5,10 +5,16 @@
Worker *Worker::inst = 0;
QMutex Worker::workerLock;
// QPixmaps don't like existing on non GUI threads.
// Because of this we have to:
// 1. Convert to image on the GUI thread
// 2. Queue onto the worker, where:
// 1. Convert the image to the right format
// 2. Consume the image.
void Worker::queue(WorkerContext *context) {
QMutexLocker ml(&lock);
_WorkerContext *c = new _WorkerContext;
c->image = context->pixmap.toImage().convertToFormat(context->targetFormat);
c->image = context->pixmap.toImage();
c->consumer = context->consumer;
qqueue.enqueue(c);
}
@ -48,7 +54,7 @@ void Worker::process() {
lock.lock();
if (!qqueue.isEmpty()) {
_WorkerContext *c = qqueue.dequeue();
c->consumer(c->image);
c->consumer(c->image.convertToFormat(context->targetFormat));
}
lock.unlock();
std::this_thread::sleep_for(std::chrono::milliseconds(100)); // STL likes it's scopes