86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
#include "openglbackend.h"
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#include <QEventLoop>
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#include <QThread>
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#include "openglrenderfunctions.h"
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OpenGLBackend::OpenGLBackend(QObject *parent) :
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VideoRenderBackend(parent),
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proxy_(nullptr)
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{
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}
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OpenGLBackend::~OpenGLBackend()
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{
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Close();
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}
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bool OpenGLBackend::InitInternal()
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{
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if (!VideoRenderBackend::InitInternal()) {
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return false;
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}
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proxy_ = new OpenGLProxy();
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proxy_->SetParameters(params());
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QThread* proxy_thread = new QThread();
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proxy_thread->start(QThread::IdlePriority);
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proxy_->moveToThread(proxy_thread);
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if (!proxy_->Init()) {
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proxy_thread->quit();
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proxy_thread->wait();
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proxy_thread->deleteLater();
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proxy_->deleteLater();
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proxy_ = nullptr;
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return false;
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}
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// Initiate one thread per CPU core
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for (int i=0;i<threads().size();i++) {
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// Create one processor object for each thread
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OpenGLWorker* processor = new OpenGLWorker(frame_cache(), decoder_cache());
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processor->SetParameters(params());
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processors_.append(processor);
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connect(processor, &OpenGLWorker::RequestFrameToValue, proxy_, &OpenGLProxy::FrameToValue, Qt::BlockingQueuedConnection);
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connect(processor, &OpenGLWorker::RequestTextureToBuffer, proxy_, &OpenGLProxy::TextureToBuffer, Qt::BlockingQueuedConnection);
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connect(processor, &OpenGLWorker::RequestRunNodeAccelerated, proxy_, &OpenGLProxy::RunNodeAccelerated, Qt::BlockingQueuedConnection);
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}
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return true;
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}
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void OpenGLBackend::CloseInternal()
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{
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if (proxy_) {
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proxy_->thread()->quit();
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proxy_->thread()->wait();
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proxy_->thread()->deleteLater();
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proxy_->deleteLater();
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proxy_ = nullptr;
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}
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VideoRenderBackend::CloseInternal();
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}
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bool OpenGLBackend::CompileInternal()
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{
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return true;
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}
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void OpenGLBackend::DecompileInternal()
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{
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}
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void OpenGLBackend::ParamsChangedEvent()
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{
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// If we're initiated, we need to recreate the texture. Otherwise this backend isn't active so it doesn't matter.
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if (IsInitiated()) {
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proxy_->SetParameters(params());
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}
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}
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