CommandBuffer.SetGlobalConstantBuffer

public void SetGlobalConstantBuffer(ComputeBuffer buffer, int nameID, int offset, int size);

Parameters

buffer	The buffer to bind.
offset	Offset from the start of the ComputeBuffer in bytes.
size	Size in bytes of the area to bind.
nameID	Name of the constant buffer (use Shader.PropertyToID to generate).

Add a command to bind a global constant buffer.