Testcase for shader effects where one source is used twice

1 files changed, 49 insertions, 0 deletions

diff --git a/tests/ShaderEffectTwiceOnSameSource.qml b/tests/ShaderEffectTwiceOnSameSource.qml
new file mode 100644
index 0000000..2263dce
--- /dev/null
+++ b/tests/ShaderEffectTwiceOnSameSource.qml
@@ -0,0 +1,49 @@
+import QtQuick 2.0
+
+Item {
+    width: 400
+    height: 300
+
+    Text {
+        id: text
+        anchors.centerIn: parent
+        font.pixelSize:  80
+        text: "Shaderz!"
+    }
+
+    ShaderEffectSource {
+        id: source
+        sourceItem: text
+    }
+
+    ShaderEffectItem {
+        width: parent.width
+        height: parent.height / 2
+
+        property variant source: source
+
+        fragmentShader: "
+        uniform lowp sampler2D source;
+        varying highp vec2 qt_TexCoord0;
+        void main() {
+            gl_FragColor = vec4(0, qt_TexCoord0.y, 1, 1) * texture2D(source, qt_TexCoord0).a;
+        }
+        "
+    }
+
+    ShaderEffectItem {
+        width: parent.width
+        y: parent.height / 2
+        height: parent.height / 2
+
+        property variant source: source
+
+        fragmentShader: "
+        uniform lowp sampler2D source;
+        varying highp vec2 qt_TexCoord0;
+        void main() {
+            gl_FragColor = vec4(qt_TexCoord0.x, 1, 0, 1) * texture2D(source, qt_TexCoord0).a;
+        }
+        "
+    }
+}