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-rw-r--r--examples/quick/scenegraph/shared/squircle_rhi.frag16
1 files changed, 16 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);
+}