PIPE_CONTROL_3D_ENGINE_FLAGS
bit_group_1 &= ~PIPE_CONTROL_3D_ENGINE_FLAGS;
flags &= ~PIPE_CONTROL_3D_ENGINE_FLAGS;
flags &= ~PIPE_CONTROL_3D_ENGINE_FLAGS;
PIPE_CONTROL_3D_ENGINE_FLAGS | \
flags1 &= ~PIPE_CONTROL_3D_ENGINE_FLAGS;
mask_flags = PIPE_CONTROL_3D_ENGINE_FLAGS;
PIPE_CONTROL_3D_ENGINE_FLAGS | \