work

shaders/freespot.frag

@@ -0,0 +1,13 @@
+#version 330
+
+#include <common>
+
+void main()
+{
+	float x = (gl_PointCoord.x - 0.5f) * 2.0f;
+	float y = (gl_PointCoord.y - 0.5f) * 2.0f;
+	float dist2 = abs(x * x + y * y);
+	if (dist2 > 0.5f * 0.5f)
+		discard;
+	gl_FragColor = param[0] * emission;
+}