diff options
| -rw-r--r-- | src/glut/dos/init.c | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/src/glut/dos/init.c b/src/glut/dos/init.c index d30f270c64..b9fc0e5337 100644 --- a/src/glut/dos/init.c +++ b/src/glut/dos/init.c @@ -130,9 +130,41 @@ void APIENTRY glutInitWindowSize (int width, int height) +#define DO_REDISPLAY(w, ccin, ccout) \ + do { \ + if (w->redisplay && w->display) { \ + int rv = GL_TRUE; \ + \ + idle = GL_FALSE; \ + w->redisplay = GL_FALSE; \ + \ + /* test IN condition (whether we need to `MakeCurrent') */\ + if (ccin) { \ + rv = DMesaMakeCurrent(w->context, w->buffer); \ + } \ + \ + /* do the display only if `MakeCurrent' didn't failed */ \ + if (rv) { \ + if (w->show_mouse && !(g_display_mode & GLUT_DOUBLE)) {\ + /* XXX scare mouse */ \ + w->display(); \ + /* XXX unscare mouse */ \ + } else { \ + w->display(); \ + } \ + \ + /* update OUT condition */ \ + ccout; \ + } \ + } \ + } while (0) + + + void APIENTRY glutMainLoop (void) { - int i; + int i, n; + GLUTwindow *w; GLboolean idle; static int old_mouse_x = 0; static int old_mouse_y = 0; @@ -150,8 +182,8 @@ void APIENTRY glutMainLoop (void) __glutInitMouse(); for (i = 0; i < MAX_WINDOWS; i++) { - if (g_windows[i] != NULL) { - GLUTwindow *w = g_windows[i]; + w = g_windows[i]; + if (w != NULL) { glutSetWindow(w->num); glutPostRedisplay(); if (w->reshape) { @@ -166,26 +198,22 @@ void APIENTRY glutMainLoop (void) while (GL_TRUE) { idle = GL_TRUE; + n = 0; for (i = 0; i < MAX_WINDOWS; i++) { - if (g_windows[i] != NULL) { - GLUTwindow *w = g_windows[i]; - if (w->redisplay && w->display) { - idle = GL_FALSE; - w->redisplay = GL_FALSE; - - if (DMesaMakeCurrent(w->context, w->buffer)) { - if (w->show_mouse && !(g_display_mode & GLUT_DOUBLE)) { - /* XXX scare mouse */ - w->display(); - /* XXX unscare mouse */ - } else { - w->display(); - } - } - } + w = g_windows[i]; + if ((w != NULL) && (w != g_curwin)) { + /* 1) redisplay `w' + * 2) `MakeCurrent' always + * 3) update number of non-default windows + */ + DO_REDISPLAY(w, GL_TRUE, n++); } } - DMesaMakeCurrent(g_curwin->context, g_curwin->buffer); + /* 1) redisplay `g_curwin' + * 2) `MakeCurrent' only if we previously did non-default windows + * 3) don't update anything + */ + DO_REDISPLAY(g_curwin, n, n); if (g_mouse) { int mouse_x; |