patch to import Jon Smirl's work from Bitkeeper

1 files changed, 273 insertions, 0 deletions

diff --git a/src/glut/mini/window.c b/src/glut/mini/window.c
new file mode 100644
index 00000000000..73266769c53
--- /dev/null
+++ b/src/glut/mini/window.c
@@ -0,0 +1,273 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  4.1
+ * Copyright (C) 1995-1998  Brian Paul
+ *
+ * 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.
+ */
+
+/*
+ * DOS/DJGPP glut driver v1.2 for Mesa 4.1
+ *
+ *  Copyright (C) 2002 - Borca Daniel
+ *  Email : [email protected]
+ *  Web   : http://www.geocities.com/dborca
+ */
+
+
+#include <stdio.h>
+#include <GL/gl.h>
+#include "GL/glut.h"
+#include "internal.h"
+
+#define USE_MINI_GLX 1
+#if USE_MINI_GLX
+#include "GL/miniglx.h"
+#else
+#include <GL/glx.h>
+#endif
+
+
+
+static GLXContext context = 0;
+static Window win;
+static XVisualInfo *visinfo = 0;
+static Display *dpy = 0;
+
+
+int APIENTRY glutCreateWindow (const char *title)
+{
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   GLXContext ctx;
+   int scrnum = 0;
+   Window root = RootWindow( dpy, scrnum );
+
+   if (win)
+      return 0;
+
+   if (!dpy) {
+      dpy = XOpenDisplay(NULL);
+      if (!dpy) {
+	 printf("Error: XOpenDisplay failed\n");
+	 exit(1);
+      }
+   }
+
+   if (!visinfo) {
+      int attrib[] = {GLX_RGBA,
+		      GLX_RED_SIZE, 1,
+		      GLX_GREEN_SIZE, 1,
+		      GLX_BLUE_SIZE, 1,
+		      GLX_DEPTH_SIZE, 1,
+		      GLX_DOUBLEBUFFER, 
+		      None };
+
+    
+      visinfo = glXChooseVisual( dpy, scrnum, attrib );
+      if (!visinfo) {
+	 printf("Error: couldn't get an RGB, Double-buffered visual\n");
+	 exit(1);
+      }
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, g_width, g_height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+   if (!win) {
+      printf("Error: XCreateWindow failed\n");
+      exit(1);
+   }
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   if (!glXMakeCurrent( dpy, win, ctx )) {
+      printf("Error: glXMakeCurrent failed\n");
+      exit(1);
+   }
+
+   if (!(g_display_mode & GLUT_DOUBLE))
+      glDrawBuffer( GL_FRONT );
+      
+
+   XMapWindow( dpy, win );
+
+#if !USE_MINI_GLX
+   {
+      XEvent e;
+      while (1) {
+	 XNextEvent( dpy, &e );
+	 if (e.type == MapNotify && e.xmap.window == win) {
+	    break;
+	 }
+      }
+   }
+#endif
+
+   return 1;
+}
+
+
+int APIENTRY glutCreateSubWindow (int win, int x, int y, int width, int height)
+{
+   return GL_FALSE;
+}
+
+
+void APIENTRY glutDestroyWindow (int idx)
+{
+   if (dpy && win)
+      XDestroyWindow( dpy, win );
+
+   if (dpy) 
+      XCloseDisplay( dpy );
+
+   win = 0;
+   dpy = 0;
+}
+
+
+void APIENTRY glutPostRedisplay (void)
+{
+ g_redisplay = GL_TRUE;
+}
+
+
+void APIENTRY glutSwapBuffers (void)
+{
+/*  if (g_mouse) pc_scare_mouse(); */
+   if (dpy && win) glXSwapBuffers( dpy, win );
+/*  if (g_mouse) pc_unscare_mouse(); */
+}
+
+
+int APIENTRY glutGetWindow (void)
+{
+   return 0;
+}
+
+
+void APIENTRY glutSetWindow (int win)
+{
+}
+
+
+void APIENTRY glutSetWindowTitle (const char *title)
+{
+}
+
+
+void APIENTRY glutSetIconTitle (const char *title)
+{
+}
+
+
+void APIENTRY glutPositionWindow (int x, int y)
+{
+}
+
+
+void APIENTRY glutReshapeWindow (int width, int height)
+{
+}
+
+
+void APIENTRY glutPopWindow (void)
+{
+}
+
+
+void APIENTRY glutPushWindow (void)
+{
+}
+
+
+void APIENTRY glutIconifyWindow (void)
+{
+}
+
+
+void APIENTRY glutShowWindow (void)
+{
+}
+
+
+void APIENTRY glutHideWindow (void)
+{
+}
+
+void APIENTRY glutMainLoop (void)
+{
+   GLboolean idle;
+   GLboolean have_event;
+   XEvent evt;
+   int visible = 0;
+
+   glutPostRedisplay();
+   if (reshape_func) reshape_func(g_width, g_height);
+
+   while (GL_TRUE) {
+      idle = GL_TRUE;
+
+
+      if (visible && idle_func) 
+	 have_event = XCheckMaskEvent( dpy, ~0, &evt );
+      else 
+	 have_event = XNextEvent( dpy, &evt );
+
+      if (have_event) {
+	 idle = GL_FALSE;
+	 switch(evt.type) {
+	 case MapNotify:
+	    if (visibility_func) {
+	       visibility_func(GLUT_VISIBLE);
+	    }
+	    visible = 1;
+	    break;
+	 case UnmapNotify:
+	    if (visibility_func) {
+	       visibility_func(GLUT_NOT_VISIBLE);
+	    }
+	    visible = 0;
+	    break;
+	 case Expose:
+	    g_redisplay = 1;
+	    break;
+	 }
+      }
+
+      if (visible && g_redisplay && display_func) {
+	 idle        = GL_FALSE;
+	 g_redisplay = GL_FALSE;
+
+	 display_func();
+      }
+
+      if (visible && idle && idle_func) {
+	 idle_func();
+      }
+   }
+}