1group compound_assignment "Compound assignments with interesting lvalues" 2 3 case mul_swizzled_vec_by_matrix 4 values { output vec4 out0 = vec4(1.0, 2.0, 3.0, 4.0); } 5 both "" 6 precision highp float; 7 ${DECLARATIONS} 8 9 void main() 10 { 11 out0 = vec4(1.0, 2.0, 3.0, 4.0); 12 out0.xy *= mat2(1.0, 0.0, 0.0, 1.0); 13 ${OUTPUT} 14 } 15 "" 16 end 17 18end # compound_assignment 19