psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x * 2; \
psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y * 2; \
psx_gpu->render_mode |= RENDER_DOUBLE_MODE; \
psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x * 2; \
psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y * 2; \
psx_gpu->render_mode |= RENDER_DOUBLE_MODE; \