X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_window.c;h=5a570b7f6a1b17bc7d47341e83eedee058a65a3e;hb=fc3fee8fa830aaba7aaa585cb021d5867c89385d;hp=50e900f7dfa4ddc621a10d70cbca3231123de3c9;hpb=a630da4d7b24b4147120facf3f7a6a6839d31fb5;p=freeglut

diff --git a/src/freeglut_window.c b/src/freeglut_window.c
index 50e900f..5a570b7 100644
--- a/src/freeglut_window.c
+++ b/src/freeglut_window.c
@@ -91,8 +91,8 @@ XVisualInfo* fgChooseVisual( void )
      * First we have to process the display mode settings...
      */
 /*
- * Why is there a semi-colon in this #define?  The code
- * that uses the macro seems to always add more semicolons...
+ * XXX Why is there a semi-colon in this #define?  The code
+ * XXX that uses the macro seems to always add more semicolons...
  */
 #define ATTRIB(a) attributes[where++]=a;
 #define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
@@ -389,14 +389,14 @@ void fgOpenWindow( SFG_Window* window, const char* title,
             fgStructure.MenuContext->VisualInfo = window->Window.VisualInfo;
             fgStructure.MenuContext->Context = glXCreateContext(
                 fgDisplay.Display, fgStructure.MenuContext->VisualInfo,
-                NULL, fgState.ForceDirectContext | fgState.TryDirectContext
+                NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
             );
         }
 
         /* window->Window.Context = fgStructure.MenuContext->Context; */
         window->Window.Context = glXCreateContext(
             fgDisplay.Display, window->Window.VisualInfo,
-            NULL, fgState.ForceDirectContext | fgState.TryDirectContext
+            NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
         );
     }
     else if( fgState.UseCurrentContext )
@@ -406,19 +406,26 @@ void fgOpenWindow( SFG_Window* window, const char* title,
         if( ! window->Window.Context )
             window->Window.Context = glXCreateContext(
                 fgDisplay.Display, window->Window.VisualInfo,
-                NULL, fgState.ForceDirectContext | fgState.TryDirectContext
+                NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
             );
     }
     else
         window->Window.Context = glXCreateContext(
             fgDisplay.Display, window->Window.VisualInfo,
-            NULL, fgState.ForceDirectContext | fgState.TryDirectContext
+            NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
         );
 
-    if( fgState.ForceDirectContext &&
-        !glXIsDirect( fgDisplay.Display, window->Window.Context ) )
-        fgError( "unable to force direct context rendering for window '%s'",
+#if !defined( __FreeBSD__ ) && !defined( __NetBSD__ )
+    if(  !glXIsDirect( fgDisplay.Display, window->Window.Context ) )
+    {
+      if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT )
+        fgError( "Unable to force direct context rendering for window '%s'",
+                 title );
+      else if( fgState.DirectContext == GLUT_TRY_DIRECT_CONTEXT )
+        fgWarning( "Unable to create direct context rendering for window '%s'\nThis may hurt performance.",
                  title );
+    }
+#endif
 
     glXMakeCurrent(
         fgDisplay.Display,
@@ -440,13 +447,13 @@ void fgOpenWindow( SFG_Window* window, const char* title,
 
     /*
      * Fill in the size hints values now (the x, y, width and height
-     * settings are obsolote, are there any more WMs that support them?)
+     * settings are obsolete, are there any more WMs that support them?)
      * Unless the X servers actually stop supporting these, we should
      * continue to fill them in.  It is *not* our place to tell the user
      * that they should replace a window manager that they like, and which
      * works, just because *we* think that it's not "modern" enough.
      */
-#if TARGET_HOST_WINCE
+#if TARGET_HOST_WINCE /* Since this is in the X11 branch, it's pretty dumb */
     sizeHints.x      = 0;
     sizeHints.y      = 0;
     sizeHints.width  = 320;
@@ -460,9 +467,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
 
     wmHints.flags = StateHint;
     wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState;
-    /*
-     * Prepare the window and iconified window names...
-     */
+    /* Prepare the window and iconified window names... */
     XStringListToTextProperty( (char **) &title, 1, &textProperty );
 
     XSetWMProperties(
@@ -491,9 +496,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
 
     freeglut_assert_ready;
 
-    /*
-     * Grab the window class we have registered on glutInit():
-     */
+    /* Grab the window class we have registered on glutInit(): */
     atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
     assert( atom != 0 );
 
@@ -633,9 +636,7 @@ void fgCloseWindow( SFG_Window* window )
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
-    /*
-     * Make sure we don't close a window with current context active
-     */
+    /* Make sure we don't close a window with current context active */
     if( fgStructure.Window == window )
         wglMakeCurrent( NULL, NULL );
 
@@ -683,7 +684,6 @@ int FGAPIENTRY glutCreateWindow( const char* title )
 int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
 {
     int ret = 0;
-
     SFG_Window* window = NULL;
     SFG_Window* parent = NULL;
 
@@ -934,6 +934,7 @@ void FGAPIENTRY glutPositionWindow( int x, int y )
     {
         RECT winRect;
 
+        /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
         GetWindowRect( fgStructure.Window->Window.Handle, &winRect );
         MoveWindow(
             fgStructure.Window->Window.Handle,