[grits] Move OpenGL includes to a common place

[Andy Spencer <andys src gnome org>]

commit ce0016070b1fe7db3bd208d6148a776efd3f7d6e
Author: Andy Spencer <andy753421 gmail com>
Date:   Mon Dec 12 05:37:20 2011 +0000

    Move OpenGL includes to a common place
    
    Apple seems to think the should put GL.h in OpenGL instead of GL..
    putting it all gtkgl.h makes it a little easier, but requires gtkgl.h to
    be included in the install and by grits.h.

 src/Makefile.am            |    1 +
 src/grits-opengl.c         |    2 --
 src/grits.h                |    3 +++
 src/gtkgl.h                |   11 +++++++++++
 src/objects/grits-marker.c |    2 +-
 src/objects/grits-object.c |    2 +-
 src/objects/grits-poly.c   |    3 +--
 src/objects/grits-tile.c   |    2 +-
 src/objects/grits-volume.c |    2 +-
 src/plugins/elev.c         |    1 -
 src/plugins/env.c          |    1 -
 src/plugins/map.c          |    1 -
 src/plugins/sat.c          |    1 -
 src/plugins/test.c         |    3 ---
 src/roam.c                 |    3 +--
 15 files changed, 21 insertions(+), 17 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 18659d3..ed3db86 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -17,6 +17,7 @@ grits_include_HEADERS = \
 	grits-opengl.h  \
 	grits-plugin.h  \
 	grits-util.h    \
+	gtkgl.h         \
 	gpqueue.h       \
 	roam.h
 
diff --git a/src/grits-opengl.c b/src/grits-opengl.c
index 59fea09..a39fbda 100644
--- a/src/grits-opengl.c
+++ b/src/grits-opengl.c
@@ -32,8 +32,6 @@
 #include <string.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
 
 #include "grits-opengl.h"
 #include "grits-util.h"
diff --git a/src/grits.h b/src/grits.h
index 84ae7ed..523d87c 100644
--- a/src/grits.h
+++ b/src/grits.h
@@ -40,4 +40,7 @@
 /* Plugins */
 #include <grits-plugin.h>
 
+/* Misc */
+#include <gtkgl.h>
+
 #endif
diff --git a/src/gtkgl.h b/src/gtkgl.h
index 174fc76..71ad67a 100644
--- a/src/gtkgl.h
+++ b/src/gtkgl.h
@@ -18,6 +18,17 @@
 #ifndef __GTK_GL_H__
 #define __GTK_GL_H__
 
+#include <gtk/gtk.h>
+
+/* Platform dependant OpenGL includes */
+#ifdef USE_MAC
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#else
+#include <GL/gl.h>
+#include <GL/glu.h>
+#endif
+
 /* Call before widget is realized */
 void gtk_gl_enable(GtkWidget *widget);
 
diff --git a/src/objects/grits-marker.c b/src/objects/grits-marker.c
index a5cb9c7..3946775 100644
--- a/src/objects/grits-marker.c
+++ b/src/objects/grits-marker.c
@@ -31,7 +31,7 @@
  */
 
 #include <config.h>
-#include <GL/gl.h>
+#include "gtkgl.h"
 #include "grits-marker.h"
 
 /**
diff --git a/src/objects/grits-object.c b/src/objects/grits-object.c
index 30f79f9..fc8cddf 100644
--- a/src/objects/grits-object.c
+++ b/src/objects/grits-object.c
@@ -30,8 +30,8 @@
 
 #include <config.h>
 #include <math.h>
-#include <GL/gl.h>
 
+#include "gtkgl.h"
 #include "grits-object.h"
 
 /* Constants */
diff --git a/src/objects/grits-poly.c b/src/objects/grits-poly.c
index 67dca9a..5d54a70 100644
--- a/src/objects/grits-poly.c
+++ b/src/objects/grits-poly.c
@@ -23,8 +23,7 @@
  */
 
 #include <config.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
+#include "gtkgl.h"
 #include "grits-poly.h"
 
 /* Drawing */
diff --git a/src/objects/grits-tile.c b/src/objects/grits-tile.c
index bceb2a3..c8326da 100644
--- a/src/objects/grits-tile.c
+++ b/src/objects/grits-tile.c
@@ -33,7 +33,7 @@
  */
 
 #include <config.h>
-#include <GL/gl.h>
+#include "gtkgl.h"
 #include "grits-tile.h"
 
 gchar *grits_tile_path_table[2][2] = {
diff --git a/src/objects/grits-volume.c b/src/objects/grits-volume.c
index 2579600..f972fe5 100644
--- a/src/objects/grits-volume.c
+++ b/src/objects/grits-volume.c
@@ -29,7 +29,7 @@
 #include <config.h>
 #include <math.h>
 #include <glib.h>
-#include <GL/gl.h>
+#include "gtkgl.h"
 #include "grits-volume.h"
 
 /* Drawing */
diff --git a/src/plugins/elev.c b/src/plugins/elev.c
index cf3f3fb..d8c6456 100644
--- a/src/plugins/elev.c
+++ b/src/plugins/elev.c
@@ -26,7 +26,6 @@
  */
 
 #include <glib/gstdio.h>
-#include <GL/gl.h>
 
 #include <grits.h>
 
diff --git a/src/plugins/env.c b/src/plugins/env.c
index cdafb5c..75e41d3 100644
--- a/src/plugins/env.c
+++ b/src/plugins/env.c
@@ -25,7 +25,6 @@
  */
 
 #include <math.h>
-#include <GL/gl.h>
 
 #include <grits.h>
 
diff --git a/src/plugins/map.c b/src/plugins/map.c
index 31412d2..0e8a656 100644
--- a/src/plugins/map.c
+++ b/src/plugins/map.c
@@ -25,7 +25,6 @@
 
 #include <time.h>
 #include <glib/gstdio.h>
-#include <GL/gl.h>
 
 #include <grits.h>
 
diff --git a/src/plugins/sat.c b/src/plugins/sat.c
index 0640c52..1c738d9 100644
--- a/src/plugins/sat.c
+++ b/src/plugins/sat.c
@@ -25,7 +25,6 @@
 
 #include <time.h>
 #include <glib/gstdio.h>
-#include <GL/gl.h>
 
 #include <grits.h>
 
diff --git a/src/plugins/test.c b/src/plugins/test.c
index 2c11ea9..d0315bd 100644
--- a/src/plugins/test.c
+++ b/src/plugins/test.c
@@ -25,9 +25,6 @@
 
 #include <string.h>
 
-#include <GL/gl.h>
-#include <GL/glu.h>
-
 #include <gdk/gdkkeysyms.h>
 #include <grits.h>
 
diff --git a/src/roam.c b/src/roam.c
index 69c75f2..cfcdd54 100644
--- a/src/roam.c
+++ b/src/roam.c
@@ -31,9 +31,8 @@
 #include <glib.h>
 #include <math.h>
 #include <string.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
 
+#include "gtkgl.h"
 #include "gpqueue.h"
 #include "grits-util.h"
 #include "roam.h"