tests/auto/quick/qquickitemlayer/data/SamplerNameChange.qml

   1 import QtQuick 2.0
   2
   3 Rectangle {
   4     width: 200
   5     height: 200
   6     color: "blue"
   7     layer.enabled: true
   8     layer.effect: ShaderEffect {
   9         fragmentShader: "
  10             uniform sampler2D foo;
  11             uniform lowp float qt_Opacity;
  12             varying highp vec2 qt_TexCoord0;
  13             void main() {
  14                 gl_FragColor = texture2D(foo, qt_TexCoord0) * qt_Opacity;
  15             }"
  16     }
  17     Component.onCompleted: layer.samplerName = "foo"
  18 }