Stereo OpenGL patch from Stuart Levy...

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2012 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

4 files changed, 19 insertions, 8 deletions

diff --git a/CHANGES b/CHANGES
index 0987a4262..76b2979d8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,6 @@
 CHANGES IN FLTK 1.1.0b12
 
+	- Stereo OpenGL support (patch from Stuart Levy)
 	- All of the convenience functions defined in fl_ask.H
 	  now resize the widgets and dialog window as needed for
 	  the labels and prompt.
diff --git a/FL/Enumerations.H b/FL/Enumerations.H
index 16d527695..2692c2c63 100644
--- a/FL/Enumerations.H
+++ b/FL/Enumerations.H
@@ -1,5 +1,5 @@
 //
-// "$Id: Enumerations.H,v 1.18.2.14.2.19 2002/01/09 21:50:02 easysw Exp $"
+// "$Id: Enumerations.H,v 1.18.2.14.2.20 2002/03/25 16:41:01 easysw Exp $"
 //
 // Enumerations for the Fast Light Tool Kit (FLTK).
 //
@@ -361,7 +361,8 @@ enum Fl_Mode { // visual types and Fl_Gl_Window::mode() (values match Glut)
   FL_DEPTH	= 16,
   FL_STENCIL	= 32,
   FL_RGB8	= 64,
-  FL_MULTISAMPLE= 128
+  FL_MULTISAMPLE= 128,
+  FL_STEREO     = 256
 };
 
 // damage masks
@@ -377,5 +378,5 @@ enum Fl_Damage {
 #endif
 
 //
-// End of "$Id: Enumerations.H,v 1.18.2.14.2.19 2002/01/09 21:50:02 easysw Exp $".
+// End of "$Id: Enumerations.H,v 1.18.2.14.2.20 2002/03/25 16:41:01 easysw Exp $".
 //
diff --git a/FL/glut.H b/FL/glut.H
index 6b3b64a5f..686a9b0a7 100644
--- a/FL/glut.H
+++ b/FL/glut.H
@@ -1,5 +1,5 @@
 //
-// "$Id: glut.H,v 1.6.2.10.2.1 2002/01/01 15:11:28 easysw Exp $"
+// "$Id: glut.H,v 1.6.2.10.2.2 2002/03/25 16:41:01 easysw Exp $"
 //
 // GLUT emulation header file for the Fast Light Tool Kit (FLTK).
 //
@@ -106,7 +106,7 @@ FL_EXPORT void glutInitDisplayMode(unsigned int mode);
 #define GLUT_DEPTH	FL_DEPTH
 #define GLUT_STENCIL	FL_STENCIL
 #define GLUT_MULTISAMPLE FL_MULTISAMPLE
-// #define GLUT_STEREO			256
+#define GLUT_STEREO	FL_STEREO
 // #define GLUT_LUMINANCE		512
 
 FL_EXPORT void glutInitWindowPosition(int x, int y);
@@ -470,5 +470,5 @@ extern void APIENTRY glutSolidIcosahedron();
 #endif                  /* __glut_h__ */
 
 //
-// End of "$Id: glut.H,v 1.6.2.10.2.1 2002/01/01 15:11:28 easysw Exp $".
+// End of "$Id: glut.H,v 1.6.2.10.2.2 2002/03/25 16:41:01 easysw Exp $".
 //
diff --git a/src/Fl_Gl_Choice.cxx b/src/Fl_Gl_Choice.cxx
index 1e0728e66..14dd365c6 100644
--- a/src/Fl_Gl_Choice.cxx
+++ b/src/Fl_Gl_Choice.cxx
@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Gl_Choice.cxx,v 1.5.2.7.2.8 2002/01/03 08:08:21 matthiaswm Exp $"
+// "$Id: Fl_Gl_Choice.cxx,v 1.5.2.7.2.9 2002/03/25 16:41:01 easysw Exp $"
 //
 // OpenGL visual selection code for the Fast Light Tool Kit (FLTK).
 //
@@ -84,6 +84,11 @@ Fl_Gl_Choice *Fl_Gl_Choice::find(int mode, const int *alist) {
     if (mode & FL_STENCIL) {
       list[n++] = AGL_STENCIL_SIZE; list[n++] = 1;
     }
+#ifdef AGL_STEREO  /* is there such a thing as AGL_STEREO? */
+    if (mode & FL_STEREO) {
+      list[n++] = AGL_STEREO;
+    }
+#endif
     list[n] = AGL_NONE;
     blist = list;
   }
@@ -129,6 +134,9 @@ Fl_Gl_Choice *Fl_Gl_Choice::find(int mode, const int *alist) {
     if (mode & FL_STENCIL) {
       list[n++] = GLX_STENCIL_SIZE; list[n++] = 1;
     }
+    if (mode & FL_STEREO) {
+      list[n++] = GLX_STEREO;
+    }
 #if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample)
     if (mode & FL_MULTISAMPLE) {
       list[n++] = GLX_SAMPLES_SGIS;
@@ -164,6 +172,7 @@ Fl_Gl_Choice *Fl_Gl_Choice::find(int mode, const int *alist) {
     if ((mode & FL_ALPHA) && !pfd.cAlphaBits) continue;
     if ((mode & FL_ACCUM) && !pfd.cAccumBits) continue;
     if ((!(mode & FL_DOUBLE)) != (!(pfd.dwFlags & PFD_DOUBLEBUFFER))) continue;
+    if ((!(mode & FL_STEREO)) != (!(pfd.dwFlags & PFD_STEREO))) continue;
     if ((mode & FL_DEPTH) && !pfd.cDepthBits) continue;
     if ((mode & FL_STENCIL) && !pfd.cStencilBits) continue;
     // see if better than the one we have already:
@@ -309,5 +318,5 @@ void fl_delete_gl_context(GLContext context) {
 #endif
 
 //
-// End of "$Id: Fl_Gl_Choice.cxx,v 1.5.2.7.2.8 2002/01/03 08:08:21 matthiaswm Exp $".
+// End of "$Id: Fl_Gl_Choice.cxx,v 1.5.2.7.2.9 2002/03/25 16:41:01 easysw Exp $".
 //