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oak-editor/app/widget/scope/scopebase/scopebase.cpp
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 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 "scopebase.h"
#include "config/config.h"
namespace olive {
#define super ManagedDisplayWidget
ScopeBase::ScopeBase(QWidget* parent) :
super(parent),
texture_(nullptr),
managed_tex_up_to_date_(false)
{
EnableDefaultContextMenu();
}
void ScopeBase::SetBuffer(TexturePtr frame)
{
texture_ = frame;
managed_tex_up_to_date_ = false;
update();
}
void ScopeBase::showEvent(QShowEvent* e)
{
super::showEvent(e);
}
void ScopeBase::DrawScope(TexturePtr managed_tex, QVariant pipeline)
{
ShaderJob job;
job.Insert(QStringLiteral("ove_maintex"), NodeValue(NodeValue::kTexture, QVariant::fromValue(managed_tex)));
renderer()->Blit(pipeline, job, VideoParams(width(), height(),
static_cast<VideoParams::Format>(OLIVE_CONFIG("OfflinePixelFormat").toInt()),
VideoParams::kInternalChannelCount));
}
void ScopeBase::OnInit()
{
super::OnInit();
pipeline_ = renderer()->CreateNativeShader(GenerateShaderCode());
}
void ScopeBase::OnPaint()
{
// Clear display surface
renderer()->ClearDestination();
if (texture_) {
// Convert reference frame to display space
if (!managed_tex_ || !managed_tex_up_to_date_
|| managed_tex_->params() != texture_->params()) {
managed_tex_ = renderer()->CreateTexture(texture_->params());
ColorTransformJob job;
job.SetColorProcessor(color_service());
job.SetInputTexture(texture_);
job.SetInputAlphaAssociation(kAlphaNone);
renderer()->BlitColorManaged(job, managed_tex_.get());
}
DrawScope(managed_tex_, pipeline_);
}
}
void ScopeBase::OnDestroy()
{
super::OnDestroy();
managed_tex_ = nullptr;
texture_ = nullptr;
pipeline_.clear();
}
}