1 files changed, 23 insertions, 0 deletions
diff --git a/src/effects/data/shaders/bluritems.vert b/src/effects/data/shaders/bluritems.vert
new file mode 100644
index 0000000000..83ca332690
--- /dev/null
+++ b/src/effects/data/shaders/bluritems.vert
@@ -0,0 +1,23 @@
+#version 440
+
+layout(location = 0) in vec4 qt_Vertex;
+layout(location = 1) in vec2 qt_MultiTexCoord0;
+layout(location = 0) out vec2 texCoord0;
+layout(location = 1) out vec2 texCoord1;
+layout(location = 2) out vec2 texCoord2;
+layout(location = 3) out vec2 texCoord3;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    vec2 offset;
+};
+
+void main() {
+    float dither = 0.33;
+    texCoord0 = vec2(qt_MultiTexCoord0.x + offset.x, qt_MultiTexCoord0.y + offset.y * dither);
+    texCoord1 = vec2(qt_MultiTexCoord0.x + offset.x * dither, qt_MultiTexCoord0.y - offset.y);
+    texCoord2 = vec2(qt_MultiTexCoord0.x - offset.x * dither, qt_MultiTexCoord0.y + offset.y);
+    texCoord3 = vec2(qt_MultiTexCoord0.x - offset.x, qt_MultiTexCoord0.y - offset.y * dither);
+    gl_Position = qt_Matrix * qt_Vertex;
+}