drivers/tdfx_vid_tst.c

   1
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <unistd.h>
   8 #include <sys/mman.h>
   9 #include <sys/ioctl.h>
  10 #include <inttypes.h>
  11
  12 #include "tdfx_vid.h"
  13
  14
  15 static void print_tdfd_vid_cfg(tdfx_vid_config_t* cfg) {
  16      printf("tdfx_vid version %d\n"
  17             "  Ram: %d\n"
  18             "  Screen: %d x %d\n",
  19             cfg->version,
  20             cfg->ram_size,
  21             cfg->screen_width, cfg->screen_height);
  22 }
  23
  24
  25 int main(int argc, char** argv) {
  26   int fd,i;
  27   unsigned char *mem,*ptr;
  28   tdfx_vid_agp_move_t move;
  29   tdfx_vid_config_t cfg;
  30   tdfx_vid_blit_t blit;
  31
  32   fd = open("/dev/tdfx_vid", O_RDWR);
  33
  34   if(fd <= 0) {
  35     printf("Can't open /dev/tdfx_vid\n");
  36     return 1;
  37   }
  38
  39   if(ioctl(fd,TDFX_VID_GET_CONFIG,&cfg)) {
  40     printf("Ioctl GET_CONFIG error\n");
  41     close(fd);
  42     return 1;
  43   }
  44
  45   print_tdfd_vid_cfg(&cfg);
  46
  47   mem = mmap( NULL, 640*480*2, PROT_READ | PROT_WRITE, MAP_SHARED,
  48               fd, 0);
  49
  50   if(mem == MAP_FAILED) {
  51     printf("Memmap failed !!!!!\n");
  52     return 1;
  53   }
  54
  55 /*   for(ptr = mem, i = 0 ; i < 640*480 ; i++) { */
  56 /*     ptr[0] = i & 0xFF; */
  57 /*     ptr[1] = (i & 0xFF); */
  58 /*     ptr += 2; */
  59 /*   } */
  60
  61   memset(mem,0xFF,640*480*2);
  62
  63   memset(&move, 0, sizeof(tdfx_vid_agp_move_t));
  64   move.width = 640;
  65   move.height = 240;
  66   move.src_stride = 640;
  67   move.dst_stride = 640*2;
  68
  69   if(ioctl(fd,TDFX_VID_AGP_MOVE,&move)) {
  70     printf("AGP Move failed !!!!\n");
  71     return 0;
  72   }
  73
  74   printf("AGP Move ????\n");
  75   sleep(1);
  76
  77   blit.src = 0;
  78   blit.src_stride = 640*2;
  79   blit.src_x = blit.src_y = 0;
  80   blit.src_w = 320;
  81   blit.src_h = 240;
  82   blit.src_format = cfg.screen_format;
  83
  84   blit.dst = 240*640*2+320;
  85   blit.dst_stride = 640*2;
  86   blit.dst_x = blit.dst_y = 0;
  87   blit.dst_w = 320;
  88   blit.dst_h = 240;
  89   blit.dst_format = cfg.screen_format;
  90
  91   if(ioctl(fd,TDFX_VID_BLIT,&blit)) {
  92     printf("Blit failed !!!!\n");
  93     return 0;
  94   }
  95
  96   close(fd);
  97   return 1;
  98 }