Qt Quick 3D - Procedural Texture Example
 QT += quick quick3d
 target.path = $$[QT_INSTALL_EXAMPLES]/quick3d/proceduraltexture
 INSTALLS += target
 SOURCES += \
     gradienttexture.cpp \
     main.cpp
 RESOURCES += \
     qml.qrc
 HEADERS += \
     gradienttexture.h
 CONFIG += qmltypes
 QML_IMPORT_NAME = ProceduralTextureExample
 QML_IMPORT_MAJOR_VERSION = 1