Files
oak-editor/app/render/backend/opengl/openglbackend.cpp
T
itsmattkc 1aa87cbda6 various: encapsulate all code in the olive namespace to avoid name collisions
Large-scale code cleanup. Also adds a license to the top of all files that were
missing it.
2020-04-06 15:29:53 +10:00

110 lines
2.7 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "openglbackend.h"
#include <QEventLoop>
#include <QThread>
#include "openglrenderfunctions.h"
OLIVE_NAMESPACE_ENTER
OpenGLBackend::OpenGLBackend(QObject *parent) :
VideoRenderBackend(parent),
proxy_(nullptr)
{
}
OpenGLBackend::~OpenGLBackend()
{
Close();
}
bool OpenGLBackend::InitInternal()
{
if (!VideoRenderBackend::InitInternal()) {
return false;
}
proxy_ = new OpenGLProxy();
proxy_->SetParameters(params());
QThread* proxy_thread = new QThread();
proxy_thread->start(QThread::IdlePriority);
proxy_->moveToThread(proxy_thread);
if (!proxy_->Init()) {
proxy_thread->quit();
proxy_thread->wait();
proxy_thread->deleteLater();
proxy_->deleteLater();
proxy_ = nullptr;
return false;
}
// Initiate one thread per CPU core
for (int i=0;i<threads().size();i++) {
// Create one processor object for each thread
OpenGLWorker* processor = new OpenGLWorker(frame_cache(), decoder_cache());
processor->SetParameters(params());
processors_.append(processor);
connect(processor, &OpenGLWorker::RequestFrameToValue, proxy_, &OpenGLProxy::FrameToValue, Qt::BlockingQueuedConnection);
connect(processor, &OpenGLWorker::RequestTextureToBuffer, proxy_, &OpenGLProxy::TextureToBuffer, Qt::BlockingQueuedConnection);
connect(processor, &OpenGLWorker::RequestRunNodeAccelerated, proxy_, &OpenGLProxy::RunNodeAccelerated, Qt::BlockingQueuedConnection);
}
return true;
}
void OpenGLBackend::CloseInternal()
{
if (proxy_) {
proxy_->thread()->quit();
proxy_->thread()->wait();
proxy_->thread()->deleteLater();
proxy_->deleteLater();
proxy_ = nullptr;
}
VideoRenderBackend::CloseInternal();
}
bool OpenGLBackend::CompileInternal()
{
return true;
}
void OpenGLBackend::DecompileInternal()
{
}
void OpenGLBackend::ParamsChangedEvent()
{
// If we're initiated, we need to recreate the texture. Otherwise this backend isn't active so it doesn't matter.
if (IsInitiated()) {
proxy_->SetParameters(params());
}
}
OLIVE_NAMESPACE_EXIT