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oak-editor/app/render/renderinstance.cpp
T

93 lines
2.2 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 "renderinstance.h"
#include <QDebug>
RenderInstance::RenderInstance(const int& width,
const int& height,
const olive::PixelFormat& format,
const olive::RenderMode& mode) :
share_ctx_(nullptr),
width_(width),
height_(height),
format_(format),
mode_(mode)
{
}
void RenderInstance::SetShareContext(QOpenGLContext *share)
{
Q_ASSERT(!IsStarted());
share_ctx_ = share;
}
bool RenderInstance::Start()
{
// If we're sharing resources, set this up now
if (share_ctx_ != nullptr) {
ctx_.setShareContext(share_ctx_);
}
// Create OpenGL context (automatically destroys any existing if there is one)
if (!ctx_.create()) {
qWarning() << tr("Failed to create OpenGL context in thread %1").arg(reinterpret_cast<quintptr>(this));
return false;
}
// Create offscreen surface
surface_.create();
// Make context current on that surface
if (!ctx_.makeCurrent(&surface_)) {
qWarning() << tr("Failed to makeCurrent() on offscreen surface in thread %1").arg(reinterpret_cast<quintptr>(this));
surface_.destroy();
return false;
}
buffer_.Create(&ctx_);
return true;
}
void RenderInstance::Stop()
{
// Destroy buffer
buffer_.Destroy();
// Release OpenGL context
ctx_.doneCurrent();
// Destroy offscreen surface
surface_.destroy();
}
bool RenderInstance::IsStarted()
{
return buffer_.IsCreated();
}
RenderFramebuffer *RenderInstance::buffer()
{
return &buffer_;
}