2 files changed, 29 insertions, 0 deletions
diff --git a/examples/quick/scenegraph/shared/squircle_rhi.frag b/examples/quick/scenegraph/shared/squircle_rhi.frag
new file mode 100644
index 0000000000..8da62b93e6
--- /dev/null
+++ b/examples/quick/scenegraph/shared/squircle_rhi.frag
@@ -0,0 +1,16 @@
+#version 440
+
+layout(location = 0) in vec2 coords;
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform buf {
+    float t;
+} ubuf;
+
+void main()
+{
+    float i = 1. - (pow(abs(coords.x), 4.) + pow(abs(coords.y), 4.));
+    i = smoothstep(ubuf.t - 0.8, ubuf.t + 0.8, i);
+    i = floor(i * 20.) / 20.;
+    fragColor = vec4(coords * .5 + .5, i, i);
+}
diff --git a/examples/quick/scenegraph/shared/squircle_rhi.vert b/examples/quick/scenegraph/shared/squircle_rhi.vert
new file mode 100644
index 0000000000..b57dfdfe10
--- /dev/null
+++ b/examples/quick/scenegraph/shared/squircle_rhi.vert
@@ -0,0 +1,13 @@
+#version 440
+
+layout(location = 0) in vec4 vertices;
+
+layout(location = 0) out vec2 coords;
+
+out gl_PerVertex { vec4 gl_Position; };
+
+void main()
+{
+    gl_Position = vertices;
+    coords = vertices.xy;
+}