Renderer refactored to only process jobs for the current frame

- get rid of the RenderQueues
- properly synchronize the RenderQueue/Allocators
- unit tests updated

Change-Id: I71c0321c888765c674cbe5fda5ececfa11b06995
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/render/backend/renderqueue_p.h b/src/render/backend/renderqueue_p.h
new file mode 100644
index 000000000..8368977f4
--- /dev/null
+++ b/src/render/backend/renderqueue_p.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3D_RENDER_RENDERQUEUE_H
+#define QT3D_RENDER_RENDERQUEUE_H
+
+#include <QVector>
+#include <QtGlobal>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+namespace Render {
+
+class RenderView;
+
+class Q_AUTOTEST_EXPORT RenderQueue
+{
+public:
+    RenderQueue();
+
+    void setTargetRenderViewCount(int targetRenderViewCount);
+    int targetRenderViewCount() const { return m_targetRenderViewCount; }
+    int currentRenderViewCount() const;
+    bool isFrameQueueComplete() const;
+
+    bool queueRenderView(RenderView *renderView, uint submissionOrderIndex);
+    QVector<RenderView *> nextFrameQueue();
+    void reset();
+
+private:
+    int m_targetRenderViewCount;
+    int m_currentRenderViewCount;
+    QVector<RenderView *> m_currentWorkQueue;
+};
+
+} // Render
+
+} // Qt3D
+
+QT_END_NAMESPACE
+
+#endif // QT3D_RENDER_RENDERQUEUE_H