Long live the slayer!

Initial commit of OpenGL Runtime to repository.
Based on SHA1 61823aaccc6510699a54b34a2fe3f7523dab3b4e
of qt3dstudio repository.

Task-number: QT3DS-3600
Change-Id: Iaeb80237399f0e5656a19ebec9d1ab3a681d8832
Reviewed-by: Pasi Keränen <pasi.keranen@qt.io>
 

1 files changed, 134 insertions, 0 deletions

diff --git a/src/dm/systems/cores/SimpleSlideGraphCore.h b/src/dm/systems/cores/SimpleSlideGraphCore.h
new file mode 100644
index 0000000..484d675
--- /dev/null
+++ b/src/dm/systems/cores/SimpleSlideGraphCore.h
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** Copyright (C) 1993-2009 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#pragma once
+#ifndef SLIDEGRAPHCOREH
+#define SLIDEGRAPHCOREH
+#include "Qt3DSDMStringTable.h"
+#include "Qt3DSDMSlideGraphCore.h"
+#include "HandleSystemBase.h"
+#include "Qt3DSDMErrors.h"
+
+namespace qt3dsdm {
+using namespace std;
+struct SSlideGraph : public CHandleObject
+{
+    SSlideGraph()
+        : m_Root(0)
+        , m_ActiveSlide(0)
+    {
+    }
+    SSlideGraph(int inHandle, int inSlideRoot)
+        : CHandleObject(inHandle)
+        , m_Root(inSlideRoot)
+        , m_ActiveSlide(0)
+    {
+    }
+    Qt3DSDMSlideHandle m_Root;
+    Qt3DSDMSlideHandle m_ActiveSlide;
+
+    static const EHandleObjectType s_Type = CHandleObject::EHandleObjectTypeSSlideGraph;
+    EHandleObjectType GetType() override { return s_Type; }
+};
+
+class CSimpleSlideGraphCore : public CHandleBase, public ISlideGraphCore
+{
+    TStringTablePtr m_StringTable;
+    typedef std::unordered_map<Qt3DSDMInstanceHandle,
+                                 pair<Qt3DSDMSlideGraphHandle, Qt3DSDMSlideHandle>, std::hash<int>>
+        TInstanceToGraphMap;
+    typedef std::unordered_map<Qt3DSDMSlideGraphHandle, TSlideInstancePairList, std::hash<int>>
+        TGraphToInstanceMap;
+
+    TInstanceToGraphMap m_InstanceToGraph;
+    TGraphToInstanceMap m_GraphToInstances;
+
+public:
+    CSimpleSlideGraphCore(TStringTablePtr strTable = TStringTablePtr())
+        : m_StringTable(strTable)
+    {
+    }
+    TStringTablePtr GetStringTablePtr() { return m_StringTable; }
+    /**
+     *	A slide graph is used to associate a set of instances to a set of slides.
+     *	This allows rapid lookup of properties, as an implementation of these.
+     *	There are a few assumptions here.  First is that a given slide can be a member
+     *	of one and only one graph (i.e. it does not derive from another slide outside of the graph).
+     *	Second is that an instance is a member of one and only one graph.
+     */
+    Qt3DSDMSlideGraphHandle CreateSlideGraph(Qt3DSDMSlideHandle inRoot) override;
+    Qt3DSDMSlideHandle GetGraphRoot(Qt3DSDMSlideGraphHandle inGraph) const override;
+    Qt3DSDMSlideGraphHandle GetSlideGraph(Qt3DSDMSlideHandle inSlide) const override;
+    void GetSlideGraphs(TSlideGraphHandleList &outGraphs) const override;
+    void DeleteSlideGraph(Qt3DSDMSlideGraphHandle inHandle) override;
+
+    /**
+     *	Associate a given instance handle with a given graph.  This will ensure that property
+     *lookups
+     *	will travel through this graph before they hit the main data core.  Instances may be
+     *associated
+     *	with a sub-slide of a given graph, not just the root.  An instance associated with the root
+     *is
+     *	implicitly associated with any root-derived slides.
+     */
+    void AssociateInstance(Qt3DSDMSlideGraphHandle inSlideGraph, Qt3DSDMSlideHandle inSlide,
+                           Qt3DSDMInstanceHandle inInstance) override;
+    void GetAssociatedInstances(Qt3DSDMSlideGraphHandle inSlideGraph,
+                                TSlideInstancePairList &outAssociations) const override;
+    TGraphSlidePair GetAssociatedGraph(Qt3DSDMInstanceHandle inInstance) const override;
+    void DissociateInstance(Qt3DSDMInstanceHandle inInstance) override;
+
+    /**
+     *	All graphs always have an active slide.  This is assumed to be the root right off the bat.
+     */
+    void SetGraphActiveSlide(Qt3DSDMSlideGraphHandle inGraph, Qt3DSDMSlideHandle inSlide) override;
+    Qt3DSDMSlideHandle GetGraphActiveSlide(Qt3DSDMSlideGraphHandle inGraph) const override;
+
+    bool HandleValid(int inHandle) const override;
+
+    Qt3DSDMSlideGraphHandle CreateSlideGraphWithHandle(int inHandle, Qt3DSDMSlideHandle inRoot);
+
+    static SSlideGraph *GetSlideGraphNF(int inHandle, THandleObjectMap &inObjects)
+    {
+        return const_cast<SSlideGraph *>(
+            GetSlideGraphNF(inHandle, static_cast<const THandleObjectMap &>(inObjects)));
+    }
+
+    static const SSlideGraph *GetSlideGraphNF(int inHandle, const THandleObjectMap &inObjects)
+    {
+        const SSlideGraph *theSlide = GetHandleObject<SSlideGraph>(inHandle, inObjects);
+        if (theSlide)
+            return theSlide;
+        throw SlideGraphNotFound(L"");
+    }
+};
+
+typedef std::shared_ptr<CSimpleSlideGraphCore> TSimpleSlideGraphCorePtr;
+}
+
+#endif