video.c

   1 #include "video.h"
   2 #include <stdbool.h>
   3
   4 SDL_Surface *surface;
   5 bool fullscreen_active;
   6 struct vo_desc video;
   7
   8 void video_init(void) {
   9         SDL_Init(SDL_INIT_VIDEO);
  10         surface = SDL_SetVideoMode(VMODE_W, VMODE_H, 32, SDL_RESIZABLE | SDL_HWPALETTE);
  11         video.mem = surface->pixels;
  12         video.pitch = surface->pitch;
  13         video.width = VMODE_W;
  14         video.height = VMODE_H;
  15         fullscreen_active = 0;
  16 }
  17
  18 void video_cleanup(void) {
  19         if(fullscreen_active) SDL_WM_ToggleFullScreen(surface);
  20         SDL_QuitSubSystem(SDL_INIT_VIDEO);
  21 }
  22
  23 void video_update_region(int x, int y, int w, int h) {
  24         SDL_UpdateRect(surface, x, y, w, h);
  25 }
  26
  27 void video_update(void) {
  28         SDL_UpdateRect(surface, 0, 0, video.width, video.height);
  29 }
  30
  31 #include "sdl_rgb.h"
  32 void clear_screen(void) {
  33         sdl_rgb_t *ptr = (sdl_rgb_t *) surface->pixels;
  34         unsigned pitch = surface->pitch/4;
  35         unsigned x, y;
  36         for(y = 0; y < VMODE_H; y++) for (x = 0; x < VMODE_W; x++)
  37                 ptr[y*pitch + x] = SRGB_BLACK;
  38 }
  39
  40 void toggle_fullscreen(void) {
  41         fullscreen_active = !fullscreen_active;
  42         SDL_WM_ToggleFullScreen(surface);
  43         SDL_Delay(1);
  44         clear_screen();
  45         SDL_UpdateRect(surface,0,0,VMODE_W,VMODE_H);
  46         SDL_Delay(1);
  47 }