Initial creation of RHI plug-in and refactoring

Change-Id: Ifbb51003e15f798798040597b5f7224641e8147c

1 files changed, 152 insertions, 0 deletions

diff --git a/src/plugins/renderers/rhi/renderer/renderviewbuilder_p.h b/src/plugins/renderers/rhi/renderer/renderviewbuilder_p.h
new file mode 100644
index 000000000..82ef97f34
--- /dev/null
+++ b/src/plugins/renderers/rhi/renderer/renderviewbuilder_p.h
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DRENDER_RENDER_RHI_RENDERVIEWBUILDER_H
+#define QT3DRENDER_RENDER_RHI_RENDERVIEWBUILDER_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 <functional>
+#include <Qt3DCore/qaspectjob.h>
+#include <Qt3DRender/private/filterlayerentityjob_p.h>
+#include <Qt3DRender/private/genericlambdajob_p.h>
+#include <Qt3DRender/private/nodemanagers_p.h>
+#include <Qt3DRender/private/frustumcullingjob_p.h>
+#include <Qt3DRender/private/filterproximitydistancejob_p.h>
+#include <renderviewcommandbuilderjob_p.h>
+#include <renderviewcommandupdaterjob_p.h>
+#include <materialparametergathererjob_p.h>
+#include <renderviewbuilderjob_p.h>
+#include <renderview_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+namespace Render {
+
+namespace Rhi {
+
+class Renderer;
+
+using SynchronizerJobPtr = GenericLambdaJobPtr<std::function<void()>>;
+
+class Q_AUTOTEST_EXPORT RenderViewBuilder
+{
+public:
+    explicit RenderViewBuilder(Render::FrameGraphNode *leafNode, int renderViewIndex, Renderer *renderer);
+
+    RenderViewInitializerJobPtr renderViewJob() const;
+    FilterLayerEntityJobPtr filterEntityByLayerJob() const;
+    FrustumCullingJobPtr frustumCullingJob() const;
+    QVector<RenderViewCommandBuilderJobPtr> renderViewCommandBuilderJobs() const;
+    QVector<RenderViewCommandUpdaterJobPtr> renderViewCommandUpdaterJobs() const;
+    QVector<MaterialParameterGathererJobPtr> materialGathererJobs() const;
+    SynchronizerJobPtr syncRenderViewPostInitializationJob() const;
+    SynchronizerJobPtr syncPreFrustumCullingJob() const;
+    SynchronizerJobPtr syncRenderViewPreCommandBuildingJob() const;
+    SynchronizerJobPtr syncRenderViewPreCommandUpdateJob() const;
+    SynchronizerJobPtr syncRenderViewPostCommandUpdateJob() const;
+    SynchronizerJobPtr setClearDrawBufferIndexJob() const;
+    SynchronizerJobPtr syncFilterEntityByLayerJob() const;
+    FilterProximityDistanceJobPtr filterProximityJob() const;
+    SynchronizerJobPtr syncMaterialGathererJob() const;
+
+    void prepareJobs();
+    QVector<Qt3DCore::QAspectJobPtr> buildJobHierachy() const;
+
+    Renderer *renderer() const;
+    int renderViewIndex() const;
+
+    void setLayerCacheNeedsToBeRebuilt(bool needsToBeRebuilt);
+    bool layerCacheNeedsToBeRebuilt() const;
+    void setMaterialGathererCacheNeedsToBeRebuilt(bool needsToBeRebuilt);
+    bool materialGathererCacheNeedsToBeRebuilt() const;
+    void setRenderCommandCacheNeedsToBeRebuilt(bool needsToBeRebuilt);
+    bool renderCommandCacheNeedsToBeRebuilt() const;
+
+    static int optimalJobCount();
+    static QVector<Entity *> entitiesInSubset(const QVector<Entity *> &entities, const QVector<Entity *> &subset);
+
+private:
+    Render::FrameGraphNode *m_leafNode;
+    const int m_renderViewIndex;
+    Renderer *m_renderer;
+    bool m_layerCacheNeedsToBeRebuilt;
+    bool m_materialGathererCacheNeedsToBeRebuilt;
+    bool m_renderCommandCacheNeedsToBeRebuilt;
+
+    RenderViewInitializerJobPtr m_renderViewJob;
+    FilterLayerEntityJobPtr m_filterEntityByLayerJob;
+    FrustumCullingJobPtr m_frustumCullingJob;
+    QVector<RenderViewCommandBuilderJobPtr> m_renderViewCommandBuilderJobs;
+    QVector<RenderViewCommandUpdaterJobPtr> m_renderViewCommandUpdaterJobs;
+    QVector<MaterialParameterGathererJobPtr> m_materialGathererJobs;
+
+    SynchronizerJobPtr m_syncRenderViewPostInitializationJob;
+    SynchronizerJobPtr m_syncPreFrustumCullingJob;
+    SynchronizerJobPtr m_syncRenderViewPreCommandBuildingJob;
+    SynchronizerJobPtr m_syncRenderViewPreCommandUpdateJob;
+    SynchronizerJobPtr m_syncRenderViewPostCommandUpdateJob;
+    SynchronizerJobPtr m_setClearDrawBufferIndexJob;
+    SynchronizerJobPtr m_syncFilterEntityByLayerJob;
+    SynchronizerJobPtr m_syncMaterialGathererJob;
+    FilterProximityDistanceJobPtr m_filterProximityJob;
+
+    static const int m_optimalParallelJobCount;
+};
+
+} // Rhi
+
+} // Render
+
+} // Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_RENDER_RHI_RENDERVIEWBUILDER_H