__kernel void test_copy_image(__read_only image2d_t src, __write_only image2d_t dst, sampler_t sampler) { int2 coord; int4 color; coord.x = (int)get_global_id(0); coord.y = (int)get_global_id(1); color = read_imagei(src, sampler, coord); write_imagei(dst, coord, color); }