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- /*
- * Amiga GLUT graphics library toolkit
- * Version: 1.1
- * Copyright (C) 1998 Jarno van der Linden
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- /*
- * glutLayers.c
- *
- * Version 1.0 27 Jun 1998
- * by Jarno van der Linden
- * jarno@kcbbs.gen.nz
- *
- */
-
- #include <inline/dos.h>
-
- #include <stdlib.h>
-
- #include "glutstuff.h"
-
- BOOL overlayed = FALSE;
-
- int glutLayerGet(GLenum param) {
-
- switch (param) {
- case GLUT_OVERLAY_POSSIBLE:
- return 0;
- case GLUT_LAYER_IN_USE:
- return -1;
- case GLUT_HAS_OVERLAY:
- return overlayed;
- case GLUT_TRANSPARENT_INDEX:
- if (overlayed)
- return -1;
- else
- return -1;
- case GLUT_NORMAL_DAMAGED:
- return -1;
- case GLUT_OVERLAY_DAMAGED:
- if (overlayed)
- return -1;
- else
- return -1;
- default:
- Printf("invalid glutLayerGet param: %ld\n", param);
- break;
- }
- return -1;
- }
-
- void glutUseLayer(GLenum layer) {
-
- switch (layer) {
- case GLUT_NORMAL:
- break;
- case GLUT_OVERLAY:
- default:
- Printf("glutUseLayer: unknown layer, %ld\n", layer);
- break;
- }
- }
-
- void glutRemoveOverlay(void) {
- }
-
- void glutEstablishOverlay(void) {
- }
-
- void glutShowOverlay(void) {
- if(!overlayed)
- Printf("glutOverlayDisplayFunc: window has no overlay established\n");
- }
-
- void glutHideOverlay(void) {
- if(!overlayed)
- Printf("glutOverlayDisplayFunc: window has no overlay established\n");
- }
-
- void glutPostOverlayRedisplay(void) {
- glutPostRedisplay();
- }
-
- void glutPostWindowOverlayRedisplay(int win) {
- glutPostWindowRedisplay(win);
- }
-
- void glutOverlayDisplayFunc(void (*func)(void)) {
- if(!overlayed)
- Printf("glutOverlayDisplayFunc: window has no overlay established\n");
- else if (glutstuff.curwin);
- glutstuff.curwin->overlaydisplayfunc = func;
- }
-
-