Moved bigscene-instanced-qml example to manual test

Part of an examples cleanup

Change-Id: If90e4d1aa004f62b9ef62937b8c8ac0b871a6cd1
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

6 files changed, 319 insertions, 0 deletions

diff --git a/tests/manual/bigscene-instanced-qml/bigscene-instanced-qml.pro b/tests/manual/bigscene-instanced-qml/bigscene-instanced-qml.pro
new file mode 100644
index 000000000..0c5b1763e
--- /dev/null
+++ b/tests/manual/bigscene-instanced-qml/bigscene-instanced-qml.pro
@@ -0,0 +1,12 @@
+!include( ../manual.pri ) {
+    error( "Couldn't find the manual.pri file!" )
+}
+
+QT += qml quick 3dcore 3drender 3dinput 3dquick 3dextras 3dquickextras
+
+SOURCES += \
+    main.cpp
+
+
+RESOURCES += \
+    bigscene-instanced-qml.qrc
diff --git a/tests/manual/bigscene-instanced-qml/bigscene-instanced-qml.qrc b/tests/manual/bigscene-instanced-qml/bigscene-instanced-qml.qrc
new file mode 100644
index 000000000..3e4910f7a
--- /dev/null
+++ b/tests/manual/bigscene-instanced-qml/bigscene-instanced-qml.qrc
@@ -0,0 +1,7 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+        <file>instanced.frag</file>
+        <file>instanced.vert</file>
+    </qresource>
+</RCC>
diff --git a/tests/manual/bigscene-instanced-qml/instanced.frag b/tests/manual/bigscene-instanced-qml/instanced.frag
new file mode 100644
index 000000000..0efd52b32
--- /dev/null
+++ b/tests/manual/bigscene-instanced-qml/instanced.frag
@@ -0,0 +1,43 @@
+#version 150 core
+
+uniform vec4 lightPosition = vec4(1.0, 1.0, 0.0, 1.0);
+uniform vec3 lightIntensity = vec3(1.0, 1.0, 1.0);
+
+uniform vec3 ka;            // Ambient reflectivity
+uniform vec3 ks = vec3(1.0, 1.0, 1.0);            // Specular reflectivity
+uniform float shininess = 150.0;    // Specular shininess factor
+
+in vec3 kd;            // Diffuse reflectivity
+in vec3 position;
+in vec3 normal;
+
+out vec4 fragColor;
+
+vec3 adsModel( const in vec3 pos, const in vec3 n )
+{
+    // Calculate the vector from the light to the fragment
+    vec3 s = normalize( vec3( lightPosition ) - pos );
+
+    // Calculate the vector from the fragment to the eye position
+    // (origin since this is in "eye" or "camera" space)
+    vec3 v = normalize( -pos );
+
+    // Reflect the light beam using the normal at this fragment
+    vec3 r = reflect( -s, n );
+
+    // Calculate the diffuse component
+    float diffuse = max( dot( s, n ), 0.0 );
+
+    // Calculate the specular component
+    float specular = 0.0;
+    if ( dot( s, n ) > 0.0 )
+        specular = pow( max( dot( r, v ), 0.0 ), shininess );
+
+    // Combine the ambient, diffuse and specular contributions
+    return lightIntensity * ( ka + kd * diffuse + ks * specular );
+}
+
+void main()
+{
+    fragColor = vec4( adsModel( position, normalize( normal ) ), 1.0 );
+}
diff --git a/tests/manual/bigscene-instanced-qml/instanced.vert b/tests/manual/bigscene-instanced-qml/instanced.vert
new file mode 100644
index 000000000..f713957e3
--- /dev/null
+++ b/tests/manual/bigscene-instanced-qml/instanced.vert
@@ -0,0 +1,66 @@
+#version 150 core
+
+#define M_PI 3.14159
+
+in vec3 vertexPosition;
+in vec3 vertexNormal;
+
+out vec3 position;
+out vec3 normal;
+out vec3 kd;
+
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+uniform mat3 modelViewNormal;
+uniform int instanceCount;
+
+uniform float time;
+
+const vec3 ZAXIS = vec3(0.0, 0.0, 1.0);
+const vec3 XAXIS = vec3(1.0, 0.0, 0.0);
+const float radius = 30.0;
+float det = 1.0 / float(instanceCount);
+
+mat4 rotationMatrix(vec3 axis, float angle)
+{
+    axis = normalize(axis);
+    float s = sin(angle);
+    float c = cos(angle);
+    float oc = 1.0 - c;
+
+    return mat4(oc * axis.x * axis.x + c,           oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s,  0.0,
+                oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c,           oc * axis.y * axis.z - axis.x * s,  0.0,
+                oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c,           0.0,
+                0.0,                                0.0,                                0.0,                                1.0);
+}
+
+
+mat4 translationMatrix(vec3 translation)
+{
+    return mat4(1.0, 0.0, 0.0, 0.0,
+                0.0, 1.0, 0.0, 0.0,
+                0.0, 0.0, 1.0, 0.0,
+                translation.x, translation.y, translation.z, 0);
+
+}
+
+void main()
+{
+    float angle = M_PI * 2.0f * gl_InstanceID * det * 10.0 * time * 0.05;
+    vec3 translation = vec3(radius * cos(angle), 200.0 * gl_InstanceID * det, radius * sin(angle));
+
+    mat4 modelMatrix = translationMatrix(translation) *
+                       rotationMatrix(ZAXIS, radians(angle * 45.0)) *
+                       rotationMatrix(XAXIS, radians(angle * 30.0));
+
+    vec4 eyePosition = viewMatrix *
+                       modelMatrix *
+                       vec4(vertexPosition, 1.0);
+
+    position = eyePosition.xyz;
+    kd = vec3(abs(cos(angle)), 0.75, 25);
+    normal = normalize(mat3(modelMatrix) * modelViewNormal *
+                       vertexNormal);
+
+    gl_Position = projectionMatrix * vec4(position, 1.0);
+}
diff --git a/tests/manual/bigscene-instanced-qml/main.cpp b/tests/manual/bigscene-instanced-qml/main.cpp
new file mode 100644
index 000000000..70a8ec467
--- /dev/null
+++ b/tests/manual/bigscene-instanced-qml/main.cpp
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, 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 The Qt Company Ltd 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <Qt3DQuickExtras/qt3dquickwindow.h>
+#include <QGuiApplication>
+
+int main(int argc, char* argv[])
+{
+    QGuiApplication app(argc, argv);
+    Qt3DExtras::Quick::Qt3DQuickWindow view;
+
+    view.setSource(QUrl("qrc:/main.qml"));
+    view.show();
+
+    return app.exec();
+}
diff --git a/tests/manual/bigscene-instanced-qml/main.qml b/tests/manual/bigscene-instanced-qml/main.qml
new file mode 100644
index 000000000..ea804963a
--- /dev/null
+++ b/tests/manual/bigscene-instanced-qml/main.qml
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, 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 The Qt Company Ltd 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 Qt3D.Core 2.0
+import Qt3D.Render 2.0
+import QtQuick 2.2 as QQ2
+import Qt3D.Input 2.0
+import Qt3D.Extras 2.0
+
+Entity {
+    id: sceneRoot
+
+    Camera {
+        id: camera
+        projectionType: CameraLens.PerspectiveProjection
+        fieldOfView: 45
+        aspectRatio: 16/9
+        nearPlane : 0.1
+        farPlane : 1000.0
+        position: Qt.vector3d(0.0, -300.0, 50.0)
+        upVector: Qt.vector3d(0.0, 1.0, 0.0)
+        viewCenter: Qt.vector3d(0.0, 0.0, 0.0)
+    }
+
+    FirstPersonCameraController { camera: camera }
+
+    components: [
+        RenderSettings {
+            activeFrameGraph: ForwardRenderer {
+                clearColor: Qt.rgba(0, 0.5, 1, 1)
+                camera: camera
+            }
+            // we need to explicitly set the RenderPolicy to AlwaysRender here,
+            // because a vertex shader will use time-based rendering, so the
+            // scene will change every frame without the scene-graph changing.
+            // RenderOnDemand would therefore not render every frame, as it won't
+            // detect scene-graph changes
+            renderPolicy: RenderSettings.Always
+        },
+        // Event Source will be set by the Qt3DQuickWindow
+        InputSettings { }
+    ]
+
+    property real timeValue: 5
+
+    Material {
+        id: instancedPhongMaterial
+        effect: Effect {
+            techniques: Technique {
+                graphicsApiFilter {
+                    api: GraphicsApiFilter.OpenGL
+                    profile: GraphicsApiFilter.CoreProfile
+                    minorVersion: 2
+                    majorVersion: 3
+                }
+                filterKeys: [ FilterKey { name: "renderingStyle"; value: "forward" } ]
+                renderPasses: RenderPass {
+                    shaderProgram: ShaderProgram {
+                        vertexShaderCode: loadSource("qrc:/instanced.vert")
+                        fragmentShaderCode: loadSource("qrc:/instanced.frag")
+                    }
+                }
+            }
+        }
+        parameters: Parameter { name: "instanceCount"; value: cylinderMeshInstanced.instanceCount }
+    }
+
+    CylinderMesh {
+        id: cylinderMeshInstanced
+        instanceCount: 2000
+        rings: 50
+        slices: 30
+        radius: 2.5
+        length: 5.0
+    }
+
+    Entity {
+        id: torusEntity
+        components: [ cylinderMeshInstanced, instancedPhongMaterial ]
+    }
+}