1### Compilation failed: 2 3error: 1: only one backend qualifier can be used 4layout(metal, spirv, wgsl, gl, binding = 0) uniform ubo { float f; }; // multiple backends 5^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 6error: 2: layout qualifier 'texture' is not permitted here 7layout(texture=0, sampler=0) uniform sampler2D s; // invalid (requires backend) 8^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 9error: 2: layout qualifier 'sampler' is not permitted here 10layout(texture=0, sampler=0) uniform sampler2D s; // invalid (requires backend) 11^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 123 errors 13