AUX_RGBImageRec *LoadBMP(char *Filename)
{
   FILE *File = NULL;      //filehandle

   if(!Filename) {         //make sure a filename was given
      return(NULL);
   }

   File = fopen(Filename, "r");     //check to see if file exists

   if(File) {
      fclose(File);
      return(auxDIBImageLoad(Filename));     //loads the bitmap and returns a pointer
   }

   return(NULL);
}

int LoadGLTextures(void)
{
   int Status = FALSE;

   AUX_RGBImageRec *TextureImage[1];      //create storage space for texture

   memset(TextureImage, 0, sizeof(void *)*1);      //set the pointer to NULL (make sure its empty)

   //load bitmap, if bitmaps not found quit
   if(TextureImage[0]=LoadBMP("data/tri.bmp")) {
      Status = TRUE;

      glGenTextures(1, &texture[0]);      //create the texture

      //typical texture generation using data from the bitmap
      glBindTexture(GL_TEXTURE_2D, texture[0]);

      //texture filters
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

      //generate the texture
      glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);

      if(TextureImage[0]) {                     //if texture exists
         if(TextureImage[0]->data) {            //if texture image exists
            free(TextureImage[0]->data);        //free the texture image memory
         }

         free(TextureImage[0]);                 //free the image structure
      }
   }

   return(Status);
}

   //set up SDL/GL window properties
   SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
   SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
   SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
   SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
   SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);