Added QRenderAttachment

Will be used by QRenderTarget to specify a list of attachments to use with the
FBO.

Change-Id: I9b2c5383884e5d21df2646edc2a00337a45dcf69
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 118 insertions, 0 deletions

diff --git a/src/render/frontend/qrenderattachment.h b/src/render/frontend/qrenderattachment.h
new file mode 100644
index 000000000..2a446c160
--- /dev/null
+++ b/src/render/frontend/qrenderattachment.h
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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_QRENDERATTACHMENT_H
+#define QT3D_QRENDERATTACHMENT_H
+
+#include <Qt3DCore/qnode.h>
+#include <Qt3DRenderer/qt3drenderer_global.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+class QTexture;
+class QRenderAttachmentPrivate;
+
+class QT3DRENDERERSHARED_EXPORT QRenderAttachment : public QNode
+{
+    Q_OBJECT
+    Q_ENUMS(RenderAttachmentType)
+    Q_ENUMS(CubeMapFace)
+    Q_PROPERTY(RenderAttachmentType type READ type WRITE setType NOTIFY typeChanged)
+    Q_PROPERTY(Qt3D::QTexture *texture READ texture WRITE setTexture NOTIFY textureChanged)
+    Q_PROPERTY(int mipLevel READ mipLevel WRITE setMipLevel NOTIFY mipLevelChanged)
+    Q_PROPERTY(int layer READ layer WRITE setLayer NOTIFY layerChanged)
+    Q_PROPERTY(CubeMapFace face READ face WRITE setFace NOTIFY faceChanged)
+
+public:
+    enum RenderAttachmentType {
+        ColorAttachment,
+        DepthAttachment,
+        StencilAttachment,
+        DepthStencilAttachment
+    };
+
+    enum CubeMapFace {
+        CubeMapPositiveX = 0x8515,  // GL_TEXTURE_CUBE_MAP_POSITIVE_X
+        CubeMapNegativeX = 0x8516,  // GL_TEXTURE_CUBE_MAP_NEGATIVE_X
+        CubeMapPositiveY = 0x8517,  // GL_TEXTURE_CUBE_MAP_POSITIVE_Y
+        CubeMapNegativeY = 0x8518,  // GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
+        CubeMapPositiveZ = 0x8519,  // GL_TEXTURE_CUBE_MAP_POSITIVE_Z
+        CubeMapNegativeZ = 0x851A   // GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
+    };
+
+    explicit QRenderAttachment(QNode *parent = 0);
+    void copy(const QNode *ref) Q_DECL_OVERRIDE;
+
+    void setType(RenderAttachmentType type);
+    RenderAttachmentType type() const;
+
+    void setTexture(QTexture *texture);
+    QTexture *texture() const;
+
+    void setMipLevel(int level);
+    int mipLevel() const;
+
+    void setLayer(int layer);
+    int layer() const;
+
+    void setFace(CubeMapFace face);
+    CubeMapFace face() const;
+
+Q_SIGNALS:
+    void typeChanged();
+    void textureChanged();
+    void mipLevelChanged();
+    void layerChanged();
+    void faceChanged();
+
+protected:
+    Q_DECLARE_PRIVATE(QRenderAttachment)
+    QRenderAttachment(QRenderAttachmentPrivate &dd, QNode *parent = 0);
+    QNode *doClone(QNode *clonedParent) const Q_DECL_OVERRIDE;
+};
+
+} // Qt3D
+
+QT_END_NAMESPACE
+
+#endif // QT3D_QRENDERATTACHMENT_H