Add more documentation for layer effects

Added brush strokes, corona, dof bokeh, frame flipper, screenspace ao,
sepia, stylize scatter, smaa1x and vignette.

Task-number: QT3DS-3938
Change-Id: I8ef640e3f6cf81852ab14d2bde2d0589dfd58337
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>

1 files changed, 51 insertions, 0 deletions

diff --git a/doc/src/10-best-practices/sepia.qdoc b/doc/src/10-best-practices/sepia.qdoc
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+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** 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 Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+
+\title Sepia
+\page sepia.html
+\ingroup qt3dstudio-best-practices
+
+Sepia effect will give your layer a warm color tint.
+
+\image effects-sepia.png
+
+\section1 Properties
+
+\table
+  \header
+    \li Property
+    \li Description
+  \row
+    \li
+      Amount
+    \li
+      Controls how strong the tint is.
+\endtable
+
+*/