ALPHA_PER_PIX
SRC_BLEND_M0(ALPHA_PER_PIX) |
VOP_WIN_SET(vop, win, alpha_mode, ALPHA_PER_PIX);
alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX;
} else if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_PER_PIX) {
alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX;