1 files changed, 25 insertions, 0 deletions
diff --git a/src/quickshapes/shaders_ng/wireframe.frag b/src/quickshapes/shaders_ng/wireframe.frag
new file mode 100644
index 0000000000..b37ffde6ff
--- /dev/null
+++ b/src/quickshapes/shaders_ng/wireframe.frag
@@ -0,0 +1,25 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#version 440
+
+layout(location = 0) out vec4 fragColor;
+layout(location = 0) in vec3 barycentric;
+
+layout(std140, binding = 0) uniform buf {
+#if QSHADER_VIEW_COUNT >= 2
+    mat4 qt_Matrix[QSHADER_VIEW_COUNT];
+#else
+    mat4 qt_Matrix;
+#endif
+} ubuf;
+
+void main()
+{
+    float f = min(barycentric.x, min(barycentric.y, barycentric.z));
+    float d = fwidth(f * 1.5);
+    float alpha = smoothstep(0.0, d, f);
+
+    //alpha = 1.0 - step(0.5, barycentric.x);
+    fragColor = vec4(1.0, 0.2, 1.0, 1.0) * (1.0 - alpha);
+}