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+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3D_RENDER_RENDERCOMMAND_H
+#define QT3D_RENDER_RENDERCOMMAND_H
+
+#include <qglobal.h>
+#include <Qt3DRenderer/private/quniformvalue_p.h>
+#include <Qt3DRenderer/private/meshdata_p.h>
+#include <Qt3DCore/qhandle.h>
+#include <QOpenGLShaderProgram>
+#include <QOpenGLTexture>
+#include <QMatrix4x4>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenGLVertexArrayObject;
+
+namespace Qt3D {
+
+namespace Render {
+
+class RenderTarget;
+class RenderMaterial;
+class RenderMesh;
+class RenderShader;
+class RenderTechnique;
+class RenderStateSet;
+
+typedef QHandle<QOpenGLVertexArrayObject*, 16> HVao;
+typedef QHandle<RenderMaterial, 16> HMaterial;
+typedef QHandle<RenderMesh, 16> HMesh;
+typedef QHandle<RenderShader, 16> HShader;
+typedef QHandle<MeshData, 16> HMeshData;
+typedef QHandle<RenderTechnique, 16> HTechnique;
+
+class RenderCommand
+{
+public:
+ RenderCommand();
+
+// void setMaterial(HMaterial material);
+// void setModelMatrix(HMatrix matrix);
+// void setIntanceCount(uint instanceCount);
+// void setTechnique(); // Do we really need the technique ?, isn't a shader enough
+
+
+//private:
+ HVao m_vao; // VAO used during the submission step to store all states and VBOs
+ QMatrix4x4 m_worldMatrix; // modelMatrix for the mesh -> could maybe be stored directly with other uniform
+ HMeshData m_meshData;
+ HShader m_shader; // Shader for given pass and mesh
+ QUniformPack m_uniforms; // Might need to be reworked so as to be able to destroy the
+ // RenderTexture while submission is happening.
+ GLint m_instancesCount; // Number of instances of the mesh, if 0 regular draw otherwise glDrawArraysInstanced or glDrawElementsInstanced
+ RenderStateSet *m_stateSet;
+
+ // A QAttribute pack might be interesting
+ // This is a temporary fix in the meantime, to remove the hacked methods in RenderTechnique
+ QHash<QString, QString> m_parameterAttributeToShaderNames;
+};
+
+bool operator < (const RenderCommand &r1, const RenderCommand &r2);
+
+} // Render
+
+} // Qt3D
+
+QT_END_NAMESPACE
+
+#endif // QT3D_RENDER_RENDERCOMMAND_H