4sides quad

shaders/rt_quad.frag

@@ -0,0 +1,10 @@
+#version 450
+
+layout(location = 0) flat in uvec2 fragRasterPos;
+layout(location = 1) flat in uint fragVolumeStart;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    outColor = vec4(1, 0, 0, 1);
+}