1### Compilation failed: 2 3error: 1: only one backend qualifier can be used 4layout(metal, vulkan, webgpu, direct3d, binding = 0) uniform ubo { float f; }; // multiple backends 5^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 6error: 2: layout qualifier 'texture' is not permitted here 7layout(texture=0, sampler=0) sampler2D s; // missing backend 8^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 9error: 2: layout qualifier 'sampler' is not permitted here 10layout(texture=0, sampler=0) sampler2D s; // missing backend 11^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 123 errors 13