1 files changed, 92 insertions, 0 deletions
diff --git a/experimental/qt5-intro-android/NormalMapGenerator.qml b/experimental/qt5-intro-android/NormalMapGenerator.qml
new file mode 100644
index 0000000..c6f55c7
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+++ b/experimental/qt5-intro-android/NormalMapGenerator.qml
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt 5 launch demo.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtGraphicalEffects 1.0
+
+ShaderEffect {
+    id: effectRoot;
+
+    property alias source: blurShader.source;
+
+    GaussianBlur
+    {
+        id: blurShader;
+        width: source != undefined ? source.width : 0
+        height: source != undefined ? source.height : 0
+        samples: 8
+        radius: 8
+
+        layer.enabled: true;
+        layer.smooth: true;
+
+        visible: false;
+    }
+
+    width: 256
+    height: 128
+
+    property variant tex: blurShader;
+    property size pixelSize: Qt.size(1 / blurShader.width, 1 / blurShader.height);
+
+    fragmentShader: "
+        #ifdef GL_ES
+        precision lowp float;
+        #endif
+
+        uniform lowp float qt_Opacity;
+        uniform lowp sampler2D tex;
+        uniform highp vec2 pixelSize;
+        varying highp vec2 qt_TexCoord0;
+        void main() {
+
+            lowp vec2 xps = vec2(pixelSize.x, 0.0);
+            vec3 vx = vec3(1, 0, texture2D(tex, qt_TexCoord0 + xps).x - texture2D(tex, qt_TexCoord0 - xps).x);
+
+            lowp vec2 yps = vec2(0.0, pixelSize.y);
+            vec3 vy = vec3(0, 1, texture2D(tex, qt_TexCoord0 + yps).x - texture2D(tex, qt_TexCoord0 - yps).x);
+
+            vec3 n = normalize(cross(vx, vy)) * 0.5 + 0.5;
+
+            gl_FragColor = vec4(n, 1);
+        }
+    "
+
+}