void gr_palette_step_up( int r, int g, int b )
{
if (gr_palette_faded_out) return;
old_b_r=ogl_brightness_r;
old_b_g=ogl_brightness_g;
old_b_b=ogl_brightness_b;
ogl_brightness_r = max(r + gr_palette_gamma, 0);
ogl_brightness_g = max(g + gr_palette_gamma, 0);
ogl_brightness_b = max(b + gr_palette_gamma, 0);
if (ogl_setgammaramp_ok && (old_b_r!=ogl_brightness_r || old_b_g!=ogl_brightness_g || old_b_b!=ogl_brightness_b))
ogl_brightness_ok=!ogl_setbrightness_internal();
if (!ogl_setgammaramp_ok || !ogl_brightness_ok) {
last_r = ogl_brightness_r/63.0;
last_g = ogl_brightness_g/63.0;
last_b = ogl_brightness_b/63.0;
do_pal_step=(r || g || b || gr_palette_gamma);
} else {
do_pal_step=0;
}
}
void vid_close(void)
{
// mprintf((0,"ogl init: %s %s %s - %s\n",glGetString(GL_VENDOR),glGetString(GL_RENDERER),glGetString(GL_VERSION),glGetString,(GL_EXTENSIONS)));
ogl_brightness_r = ogl_brightness_g = ogl_brightness_b = 0;
ogl_setbrightness_internal();
ogl_close();//platform specific code
#ifdef _WIN32
if (ogl_rt_loaded)
OpenGL_LoadLibrary(false);
#endif
}
