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// Copyright (C) 2016 Paul Lemire
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QT3DRENDER_RENDER_RENDERVIEWCOMMANDUPDATEJOB_P_H
#define QT3DRENDER_RENDER_RENDERVIEWCOMMANDUPDATEJOB_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DCore/qaspectjob.h>
#include <Qt3DRender/private/handle_types_p.h>
#include <Qt3DRender/private/renderercache_p.h>
#include <Qt3DRender/private/job_common_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
template<class RenderView, class RenderCommand>
class RenderViewCommandUpdaterJob : public Qt3DCore::QAspectJob
{
public:
RenderViewCommandUpdaterJob()
: Qt3DCore::QAspectJob()
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::RenderCommandUpdater, renderViewInstanceCounter++)
}
~RenderViewCommandUpdaterJob()
{
}
inline void setRenderView(RenderView *rv) noexcept { m_renderView = rv; }
inline void setRenderablesSubView(const EntityRenderCommandDataSubView<RenderCommand> &renderablesSubView) noexcept
{
m_renderablesSubView = renderablesSubView;
}
EntityRenderCommandDataSubView<RenderCommand> renderablesSubView() const { return m_renderablesSubView; }
void run() final
{
// Build RenderCommand should perform the culling as we have no way to determine
// if a child has a mesh in the view frustum while its parent isn't contained in it.
if (!m_renderView->noDraw()) {
if (m_renderablesSubView.count == 0)
return;
// Update Render Commands (Uniform Change, Depth Change)
m_renderView->updateRenderCommand(m_renderablesSubView);
}
}
void postFrame(Qt3DCore::QAspectEngine *aspectEngine) override
{
Q_UNUSED(aspectEngine);
// reset to 0 after every frame, stops the number growing indefinitely
renderViewInstanceCounter = 0;
}
bool isRequired() override
{
return m_renderView && !m_renderView->noDraw() && m_renderablesSubView.count > 0;
}
private:
RenderView *m_renderView = nullptr;
EntityRenderCommandDataSubView<RenderCommand> m_renderablesSubView;
static int renderViewInstanceCounter;
};
template<class RenderView, class RenderCommand>
int RenderViewCommandUpdaterJob<RenderView, RenderCommand>::renderViewInstanceCounter = 0;
template<class RenderView, class RenderCommand>
using RenderViewCommandUpdaterJobPtr = QSharedPointer<RenderViewCommandUpdaterJob<RenderView, RenderCommand>>;
} // Render
} // Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RENDERVIEWCOMMANDUPDATEJOB_P_H