Giovanni Mascellani (@giomasce) commented about tests/cbuffer.shader_test:
uniform 0 float4 1.0 2.0 3.0 4.0 draw quad probe all rgba (1.0, 2.0, 3.0, 4.0)
+% SM1 buffer offset allocation follows different rules than SM4. +% Those would have to be tested separatelly.
Small typo: "separatelly"