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import QtQuick 2.6
Item
{
width: 250
height: 50
property int mirroring: 0
// Layered box without effect. Mirroring should not affect how it looks.
Rectangle {
x: 0
y: 0
width: 50
height: 50
layer.enabled: true
layer.textureMirroring: mirroring
Rectangle {
x: 0
y: 0
width: 25
height: 25
color: "#000000"
}
Rectangle {
x: 25
y: 0
width: 25
height: 25
color: "#ff0000"
}
Rectangle {
x: 0
y: 25
width: 25
height: 25
color: "#00ff00"
}
Rectangle {
x: 25
y: 25
width: 25
height: 25
color: "#0000ff"
}
}
// Layered box with effect. Mirroring should affect how it looks.
Rectangle {
id: layeredEffectBox
x: 50
y: 0
width: 50
height: 50
layer.enabled: true
layer.textureMirroring: mirroring
layer.samplerName: "source"
layer.effect: ShaderEffect {
property variant source: layeredEffectBox
fragmentShader: "
uniform lowp sampler2D source;
varying highp vec2 qt_TexCoord0;
void main() {
gl_FragColor = texture2D(source, qt_TexCoord0);
}"
}
Rectangle {
x: 0
y: 0
width: 25
height: 25
color: "#000000"
}
Rectangle {
x: 25
y: 0
width: 25
height: 25
color: "#ff0000"
}
Rectangle {
x: 0
y: 25
width: 25
height: 25
color: "#00ff00"
}
Rectangle {
x: 25
y: 25
width: 25
height: 25
color: "#0000ff"
}
}
// Non-layered source item for ShaderEffectSource. Mirroring should not affect how it looks.
Rectangle {
id: box2
x: 100
y: 0
width: 50
height: 50
Rectangle {
x: 0
y: 0
width: 25
height: 25
color: "#000000"
}
Rectangle {
x: 25
y: 0
width: 25
height: 25
color: "#ff0000"
}
Rectangle {
x: 0
y: 25
width: 25
height: 25
color: "#00ff00"
}
Rectangle {
x: 25
y: 25
width: 25
height: 25
color: "#0000ff"
}
}
// ShaderEffectSource item. Mirroring should not affect how it looks.
ShaderEffectSource {
id: theSource
x: 150
y: 0
width: 50
height: 50
sourceItem: box2
textureMirroring: mirroring
}
// ShaderEffect item. Mirroring should affect how it looks.
ShaderEffect {
x: 200
y: 0
width: 50
height: 50
property variant source: theSource
fragmentShader: "
uniform lowp sampler2D source;
varying highp vec2 qt_TexCoord0;
void main() {
gl_FragColor = texture2D(source, qt_TexCoord0);
}"
}
}
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