#version 450
#extension GL_EXT_buffer_reference : require
layout(local_size_x = 1) in;

layout(buffer_reference) buffer Block
{
	float v;
};

layout(std140, set = 0, binding = 0) uniform UBO
{
	Block blocks[4];
} ubo;

void main()
{
	Block blocks[4];
	blocks[0] = ubo.blocks[0];
	blocks[1] = ubo.blocks[1];
	blocks[2] = ubo.blocks[2];
	blocks[3] = ubo.blocks[3];
	blocks[gl_WorkGroupID.x].v = 20.0;
}