#version 310 es layout(local_size_x = 2, local_size_y = 1, local_size_z = 1) in; struct Data { float a; float b; }; layout(binding = 0, std430) buffer SSBO { Data outdata[]; } _53; void main() { Data data[2] = Data[](Data(1.0, 2.0), Data(3.0, 4.0)); Data data2[2] = Data[](Data(4.0, 2.0), Data(3.0, 5.0)); _53.outdata[gl_WorkGroupID.x].a = data[gl_LocalInvocationID.x].a + data2[gl_LocalInvocationID.x].a; _53.outdata[gl_WorkGroupID.x].b = data[gl_LocalInvocationID.x].b + data2[gl_LocalInvocationID.x].b; }