void cs_output(uvec2 coord, vec4 val);
void cs_output(ivec2 coord, vec4 val);
+// Used if there are any steps used to postprocess compute shader output.
+// Initialized due to https://bugs.freedesktop.org/show_bug.cgi?id=103895.
+vec4 CS_OUTPUT_VAL = vec4(0.0);
+
#define OUTPUT(tc, val) cs_output(tc, val)