order_abgr
typedef blender_rgba<rgba8, order_abgr> blender_abgr32; //----blender_abgr32
typedef blender_rgba_pre<rgba8, order_abgr> blender_abgr32_pre; //----blender_abgr32_pre
typedef blender_rgba_plain<rgba8, order_abgr> blender_abgr32_plain; //----blender_abgr32_plain
typedef blender_rgba<rgba16, order_abgr> blender_abgr64; //----blender_abgr64
typedef blender_rgba_pre<rgba16, order_abgr> blender_abgr64_pre; //----blender_abgr64_pre