From 32d18a35914c8b09165a43ec0eb8bfaa83d2712e Mon Sep 17 00:00:00 2001
From: Michael R Sweet <michael.r.sweet@gmail.com>
Date: Sun, 8 Nov 1998 15:55:23 +0000
Subject: Added 8-bit palette for OpenGL (3:3:2 RGB).  This should fix all of
 the OpenGL colormap problems...

git-svn-id: file:///fltk/svn/fltk/trunk@73 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Gl_Window.cxx | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'src/Fl_Gl_Window.cxx')

diff --git a/src/Fl_Gl_Window.cxx b/src/Fl_Gl_Window.cxx
index c5b0ab16b..1f596ebee 100644
--- a/src/Fl_Gl_Window.cxx
+++ b/src/Fl_Gl_Window.cxx
@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Gl_Window.cxx,v 1.7 1998/10/21 14:20:06 mike Exp $"
+// "$Id: Fl_Gl_Window.cxx,v 1.8 1998/11/08 15:55:22 mike Exp $"
 //
 // OpenGL window code for the Fast Light Tool Kit (FLTK).
 //
@@ -59,6 +59,14 @@
 #define SWAP_TYPE SWAP
 #endif
 
+//
+// Windows may need a different color palette...
+//
+
+#if defined(WIN32) && HAVE_GL
+extern HPALETTE fl_gl_palette;
+#endif
+
 ////////////////////////////////////////////////////////////////
 
 int Fl_Gl_Window::can_do(int a, const int *b) {
@@ -123,6 +131,7 @@ int Fl_Gl_Window::mode(int m, const int *a) {
 void Fl_Gl_Window::make_current() {
 #ifdef WIN32
   HDC hdc = fl_private_dc(this, mode_,&g);
+
   if (!context) {
     context = wglCreateContext(hdc);
     if (fl_first_context) wglShareLists(fl_first_context, (GLXContext)context);
@@ -138,6 +147,14 @@ void Fl_Gl_Window::make_current() {
   }
   glXMakeCurrent(fl_display, fl_xid(this), (GLXContext)context);
 #endif
+
+#  if USE_COLORMAP
+  if (fl_gl_palette) {
+    SelectPalette(fl_gc, fl_gl_palette, FALSE);
+    RealizePalette(fl_gc);
+  }
+#  endif // USE_COLORMAP
+
   glDrawBuffer(GL_BACK);
 }
 
@@ -310,5 +327,5 @@ void Fl_Gl_Window::draw_overlay() {}
 #endif
 
 //
-// End of "$Id: Fl_Gl_Window.cxx,v 1.7 1998/10/21 14:20:06 mike Exp $".
+// End of "$Id: Fl_Gl_Window.cxx,v 1.8 1998/11/08 15:55:22 mike Exp $".
 //
-- 
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