int I_ScreenShot (const char *fname)
{
#ifdef GL_DOOM
if (V_GetMode() == VID_MODEGL)
{
int result = -1;
unsigned char *pixel_data = gld_ReadScreen();
if (pixel_data)
{
SDL_Surface *surface = SDL_CreateRGBSurfaceFrom(
pixel_data, SCREENWIDTH, SCREENHEIGHT, 24, SCREENWIDTH*3,
0x000000ff, 0x0000ff00, 0x00ff0000, 0);
if (surface)
{
result = SAVE_PNG_OR_BMP(surface, fname);
SDL_FreeSurface(surface);
}
free(pixel_data);
}
return result;
}
else
#endif
return SAVE_PNG_OR_BMP(SDL_GetVideoSurface(), fname);
}
static int screenshot_gl(png_struct *png_ptr, png_info *info_ptr)
{
unsigned char *pixel_data = gld_ReadScreen();
if (pixel_data)
{
int y;
png_write_info(png_ptr, info_ptr);
for (y = 0; y < SCREENHEIGHT; y++)
png_write_row(png_ptr, pixel_data + y*SCREENWIDTH*3);
png_write_end(png_ptr, info_ptr);
free(pixel_data);
return 0;
}
else
return -1;
}
