working 6-stage fragments

shaders/frag6.glsl

@@ -0,0 +1,19 @@
+#version 460
+
+uniform float iTime;
+uniform vec2 iResolution;
+
+uniform sampler2D frame7;
+uniform sampler2D frame0;
+
+in vec2 vUV;
+layout(location = 0) out vec3 fragColor;
+
+// MFX
+// ---------
+// IN: 7 / 0
+// OUT: 0
+
+void main() {
+    fragColor = texture(frame7, vUV).xyz;
+}