43 static GRSurface* gr_draw = NULL;  variable
147         gr_draw = gr_framebuffer+1;  in fbdev_init()
156         gr_draw = (GRSurface*) malloc(sizeof(GRSurface));  in fbdev_init()
157         memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));  in fbdev_init()
158         gr_draw->data = (unsigned char*) malloc(gr_draw->height * gr_draw->row_bytes);  in fbdev_init()
159         if (!gr_draw->data) {  in fbdev_init()
165     memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);  in fbdev_init()
169     printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);  in fbdev_init()
174     return gr_draw;  in fbdev_init()
183         unsigned char* ucfb_vaddr = (unsigned char*)gr_draw->data;  in fbdev_flip()
184         for (idx = 0 ; idx < (gr_draw->height * gr_draw->row_bytes);  in fbdev_flip()
194         gr_draw = gr_framebuffer + displayed_buffer;  in fbdev_flip()
198         memcpy(gr_framebuffer[0].data, gr_draw->data,  in fbdev_flip()
199                gr_draw->height * gr_draw->row_bytes);  in fbdev_flip()
201     return gr_draw;  in fbdev_flip()
208     if (!double_buffered && gr_draw) {  in fbdev_exit()
209         free(gr_draw->data);  in fbdev_exit()
210         free(gr_draw);  in fbdev_exit()
212     gr_draw = NULL;  in fbdev_exit()