http://packetstormsecurity.org/UNIX/admin/xscreensaver-4.01.tar.gz

[xscreensaver] / hacks / glx / extrusion.c

diff --git a/hacks/glx/extrusion.c b/hacks/glx/extrusion.c
index c79d45c17b12363610594eb46bf6f8e03d8d6764..81cdeb918a8d22a0869b9f901159cf8d4bbb40d0 100644 (file)
--- a/hacks/glx/extrusion.c
+++ b/hacks/glx/extrusion.c
@@ -15,6 +15,7 @@
 
  * Revision History:
  * Tue Oct 19 22:24:47 PDT 1999    Initial creation by David Konerding
+ *                                 <dek@cgl.ucsf.edu>
  *                                                                 
  * Notes:
  * This screensaver requires the GLE ("OpenGL Tubing and Extrusion Library")
@@ -28,14 +29,19 @@
 
 #include <X11/Intrinsic.h>
 
-
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 
 #ifdef STANDALONE
 # define PROGCLASS                                             "Screensaver"
 # define HACK_INIT                                             init_screensaver
 # define HACK_DRAW                                             draw_screensaver
+# define HACK_RESHAPE                                  reshape_screensaver
 # define screensaver_opts                              xlockmore_opts
-#define        DEFAULTS                        "*light:                        True    \n" \
+#define        DEFAULTS                        "*delay:                        10000   \n" \
+                                                                               "*showFPS:              False   \n" \
+                                                                               "*light:                        True    \n" \
                                         "*wire:                                False   \n" \
                                         "*texture:                     False   \n" \
                                                                                "*image:                        BUILTIN \n" \
@@ -49,13 +55,6 @@
 
 #ifdef USE_GL /* whole file */
 
-#ifdef HAVE_XPM
-# include <X11/xpm.h>
-# ifndef PIXEL_ALREADY_TYPEDEFED
-# define PIXEL_ALREADY_TYPEDEFED /* Sigh, Xmu/Drawing.h needs this... */
-# endif
-#endif
-
 #ifdef HAVE_XMU
 # ifndef VMS
 #  include <X11/Xmu/Drawing.h>
@@ -64,14 +63,18 @@
 # endif /* VMS */
 #endif
 
-#include <malloc.h>
+#include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <malloc.h>
 #include <GL/gl.h>
 #include <GL/glu.h>
+#ifdef HAVE_GLE3
+#include <GL/gle.h>
+#else
 #include <GL/tube.h>
+#endif
 
 #undef countof
 #define countof(x) (sizeof((x))/sizeof((*x)))
@@ -455,8 +458,10 @@ void Create_Texture(char *filename, int do_mipmap, int do_texture_quality)
                      format, GL_UNSIGNED_BYTE, image);
   }
   else {
+    clear_gl_error();
     glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0,
                 format, GL_UNSIGNED_BYTE, image);
+    check_gl_error("texture");
   }
   free(image);
 }
@@ -657,6 +662,7 @@ void draw_screensaver(ModeInfo * mi)
       dd_lasty *= scale;
     }
 
+  if (mi->fps_p) do_fps (mi);
   glXSwapBuffers(display, window);
 }
 
@@ -674,6 +680,7 @@ void SetupLight(void)
   glEnable (GL_LIGHTING);
 
   glColorMaterial (GL_FRONT, GL_DIFFUSE);
+  glColorMaterial (GL_BACK, GL_DIFFUSE);
   glEnable (GL_COLOR_MATERIAL);
 }
 
@@ -687,9 +694,11 @@ void resetProjection(void) {
 }
 
 /* Standard reshape function */
-static void
-reshape(int width, int height)
+void
+reshape_screensaver(ModeInfo *mi, int width, int height)
 {
+  global_width=width;
+  global_height=height;
   glViewport( 0, 0, global_width, global_height );
   resetProjection();
 }
@@ -724,26 +733,27 @@ void chooseScreensaverExample(void) {
 }
 
 /* main OpenGL initialization routine */
-void initializeGL(GLsizei width, GLsizei height) 
+void
+initializeGL(ModeInfo *mi, GLsizei width, GLsizei height) 
 {
   int style;
   int mode;
 
-  global_width=width;
-  global_height=height;
-
+  reshape_screensaver(mi, width, height);
   glViewport( 0, 0, width, height ); 
 
   glEnable(GL_DEPTH_TEST);
   glClearColor(0,0,0,0);
-  glCullFace(GL_BACK);
-  glEnable(GL_CULL_FACE);
+/*    glCullFace(GL_BACK); */
+/*    glEnable(GL_CULL_FACE); */
   glShadeModel(GL_SMOOTH);
 
   if (do_light)
        SetupLight();
-  if (do_wire)
+  if (do_wire) {
        glPolygonMode(GL_FRONT,GL_LINE);
+       glPolygonMode(GL_BACK,GL_LINE);
+  }
   if (do_texture) {
        Create_Texture(which_image, do_mipmap, do_texture_quality);
        glEnable(GL_TEXTURE_2D);
@@ -779,8 +789,8 @@ void init_screensaver(ModeInfo * mi)
 
   gp->window = MI_WINDOW(mi);
   if ((gp->glx_context = init_GL(mi)) != NULL) {
-       reshape(MI_WIDTH(mi), MI_HEIGHT(mi));
-       initializeGL(MI_WIDTH(mi), MI_HEIGHT(mi));
+       reshape_screensaver(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+       initializeGL(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
        chooseScreensaverExample();
   } else {
        MI_CLEARWINDOW(mi);