drivers/tdfx_vid_test.c

   1
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8 #include <unistd.h>
   9 #include <sys/mman.h>
  10 #include <sys/ioctl.h>
  11 #include <inttypes.h>
  12
  13 #include "tdfx_vid.h"
  14
  15
  16 static void print_tdfd_vid_cfg(tdfx_vid_config_t* cfg) {
  17      printf("tdfx_vid version %d\n"
  18             "  Ram: %d\n"
  19             "  Screen: %d x %d\n",
  20             cfg->version,
  21             cfg->ram_size,
  22             cfg->screen_width, cfg->screen_height);
  23 }
  24
  25
  26 int main(void) {
  27   int fd;
  28   unsigned char *mem;
  29   /* int i; */
  30   /* unsigned char *ptr; */
  31   tdfx_vid_agp_move_t move;
  32   tdfx_vid_config_t cfg;
  33   tdfx_vid_blit_t blit;
  34
  35   fd = open("/dev/tdfx_vid", O_RDWR);
  36
  37   if(fd <= 0) {
  38     printf("Can't open /dev/tdfx_vid\n");
  39     return 1;
  40   }
  41
  42   if(ioctl(fd,TDFX_VID_GET_CONFIG,&cfg)) {
  43     printf("Ioctl GET_CONFIG error\n");
  44     close(fd);
  45     return 1;
  46   }
  47
  48   print_tdfd_vid_cfg(&cfg);
  49
  50   mem = mmap( NULL, 640*480*2, PROT_READ | PROT_WRITE, MAP_SHARED,
  51               fd, 0);
  52
  53   if(mem == MAP_FAILED) {
  54     printf("Memmap failed !!!!!\n");
  55     return 1;
  56   }
  57
  58 /*   for(ptr = mem, i = 0 ; i < 640*480 ; i++) { */
  59 /*     ptr[0] = i & 0xFF; */
  60 /*     ptr[1] = (i & 0xFF); */
  61 /*     ptr += 2; */
  62 /*   } */
  63
  64   memset(mem,0xFF,640*480*2);
  65
  66   memset(&move, 0, sizeof(tdfx_vid_agp_move_t));
  67   move.width = 640;
  68   move.height = 240;
  69   move.src_stride = 640;
  70   move.dst_stride = 640*2;
  71
  72   if(ioctl(fd,TDFX_VID_AGP_MOVE,&move)) {
  73     printf("AGP Move failed !!!!\n");
  74     return 0;
  75   }
  76
  77   printf("AGP Move ????\n");
  78   sleep(1);
  79
  80   blit.src = 0;
  81   blit.src_stride = 640*2;
  82   blit.src_x = blit.src_y = 0;
  83   blit.src_w = 320;
  84   blit.src_h = 240;
  85   blit.src_format = cfg.screen_format;
  86
  87   blit.dst = 240*640*2+320;
  88   blit.dst_stride = 640*2;
  89   blit.dst_x = blit.dst_y = 0;
  90   blit.dst_w = 320;
  91   blit.dst_h = 240;
  92   blit.dst_format = cfg.screen_format;
  93
  94   if(ioctl(fd,TDFX_VID_BLIT,&blit)) {
  95     printf("Blit failed !!!!\n");
  96     return 0;
  97   }
  98
  99   close(fd);
 100   return 1;
 101 }