42 static GRSurface* gr_draw = NULL;  variable
152         gr_draw = gr_framebuffer + 1;  in fbdev_init()
161         gr_draw = (GRSurface*) malloc(sizeof(GRSurface));  in fbdev_init()
162         memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));  in fbdev_init()
163         gr_draw->data = (unsigned char*) malloc(gr_draw->height * gr_draw->row_bytes);  in fbdev_init()
164         if (!gr_draw->data) {  in fbdev_init()
170     memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);  in fbdev_init()
174     printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);  in fbdev_init()
179     return gr_draw;  in fbdev_init()
188         gr_draw = gr_framebuffer + displayed_buffer;  in fbdev_flip()
196         unsigned char* ucbuffer_vaddr = (unsigned char*)gr_draw->data;  in fbdev_flip()
197         for (idx = 0 ; idx < (gr_draw->height * gr_draw->row_bytes); idx += 4) {  in fbdev_flip()
204         memcpy(gr_framebuffer[0].data, gr_draw->data,  in fbdev_flip()
205                gr_draw->height * gr_draw->row_bytes);  in fbdev_flip()
208     return gr_draw;  in fbdev_flip()
216     if (!double_buffered && gr_draw) {  in fbdev_exit()
217         free(gr_draw->data);  in fbdev_exit()
218         free(gr_draw);  in fbdev_exit()
220     gr_draw = NULL;  in fbdev_exit()