CalcGeometryTriangleVolumes: retrieve triangles from a GeometryRenderer

Change-Id: I074aa540e88a5772542a08263266429fc6be9ae4
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>

3 files changed, 153 insertions, 2 deletions

diff --git a/src/render/jobs/calcgeometrytrianglevolumes.cpp b/src/render/jobs/calcgeometrytrianglevolumes.cpp
new file mode 100644
index 000000000..77b3c362a
--- /dev/null
+++ b/src/render/jobs/calcgeometrytrianglevolumes.cpp
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "calcgeometrytrianglevolumes_p.h"
+#include <Qt3DRender/private/trianglesextractor_p.h>
+#include <Qt3DRender/private/nodemanagers_p.h>
+#include <Qt3DRender/private/geometryrenderermanager_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+namespace Render {
+
+CalcGeometryTriangleVolumes::CalcGeometryTriangleVolumes(const Qt3DCore::QNodeId geometryRendererId, NodeManagers *manager)
+    : Qt3DCore::QAspectJob()
+    , m_geometryRendererId(geometryRendererId)
+    , m_manager(manager)
+{
+}
+
+void CalcGeometryTriangleVolumes::run()
+{
+    GeometryRenderer *renderer = m_manager->geometryRendererManager()->lookupResource(m_geometryRendererId);
+    if (renderer != Q_NULLPTR) {
+        TrianglesExtractor extractor(renderer, m_manager);
+        renderer->setTriangleVolumes(extractor.extract(m_geometryRendererId));
+    }
+}
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
diff --git a/src/render/jobs/calcgeometrytrianglevolumes_p.h b/src/render/jobs/calcgeometrytrianglevolumes_p.h
new file mode 100644
index 000000000..552f79c05
--- /dev/null
+++ b/src/render/jobs/calcgeometrytrianglevolumes_p.h
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 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 QT3DRENDER_RENDER_ALCGEOMETRYTRIANGLEVOLUMES_P_H
+#define QT3DRENDER_RENDER_CALCGEOMETRYTRIANGLEVOLUMES_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 <Qt3DCore/qnodeid.h>
+#include <QSharedPointer>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+namespace Render {
+
+class Geometry;
+class NodeManagers;
+
+class Q_AUTOTEST_EXPORT CalcGeometryTriangleVolumes : public Qt3DCore::QAspectJob
+{
+public:
+    explicit CalcGeometryTriangleVolumes(const Qt3DCore::QNodeId geometryRendererId, NodeManagers *manager);
+
+protected:
+    void run() Q_DECL_OVERRIDE;
+
+private:
+    Qt3DCore::QNodeId m_geometryRendererId;
+    NodeManagers *m_manager;
+};
+
+typedef QSharedPointer<CalcGeometryTriangleVolumes> CalcGeometryTriangleVolumesPtr;
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_RENDER_CALCGEOMETRYTRIANGLEVOLUMES_P_H
diff --git a/src/render/jobs/jobs.pri b/src/render/jobs/jobs.pri
index 424de25f5..f79cd64e3 100644
--- a/src/render/jobs/jobs.pri
+++ b/src/render/jobs/jobs.pri
@@ -12,7 +12,8 @@ HEADERS += \
     $$PWD/loadbufferjob_p.h \
     $$PWD/loadgeometryjob_p.h \
     $$PWD/calcboundingvolumejob_p.h \
-    $$PWD/pickboundingvolumejob_p.h
+    $$PWD/pickboundingvolumejob_p.h \
+    $$PWD/calcgeometrytrianglevolumes_p.h
 
 SOURCES += \
     $$PWD/updateworldtransformjob.cpp \
@@ -26,4 +27,5 @@ SOURCES += \
     $$PWD/loadbufferjob.cpp \
     $$PWD/loadgeometryjob.cpp \
     $$PWD/calcboundingvolumejob.cpp \
-    $$PWD/pickboundingvolumejob.cpp
+    $$PWD/pickboundingvolumejob.cpp \
+    $$PWD/calcgeometrytrianglevolumes.cpp