Ken Thomases : winemac: Don' t defer attaching OpenGL context to view if it is backed by a window device .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 89a4e5a6d1c77646fd397e3419a91a08533bbfb4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=89a4e5a6d1c77646fd397e3419...

Author: Ken Thomases 
Date:   Sun Mar 10 17:38:25 2013 -0500

winemac: Don't defer attaching OpenGL context to view if it is backed by a window device.

This fixes a problem with certain OpenGL programs which create a context very
briefly before destroying it, like while handling WM_PAINT.

---

dlls/winemac.drv/cocoa_opengl.m |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/dlls/winemac.drv/cocoa_opengl.m b/dlls/winemac.drv/cocoa_opengl.m
index 66eec63..5879b4d 100644
--- a/dlls/winemac.drv/cocoa_opengl.m
+++ b/dlls/winemac.drv/cocoa_opengl.m
@@ -21,6 +21,7 @@
 #import "cocoa_opengl.h"

#include "macdrv_cocoa.h"
+#include "cocoa_app.h"

@interface WineOpenGLContext ()
@@ -97,8 +98,21 @@ void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v)
         context.needsUpdate = FALSE;
         if (view)
         {
+            __block BOOL windowHasDevice;
+
             macdrv_add_view_opengl_context(v, c);
-            [context setLatentView:view];
+
+            OnMainThread(^{
+                windowHasDevice = [[view window] windowNumber] > 0;
+            });
+            if (windowHasDevice)
+            {
+                [context setView:view];
+                [context setLatentView:nil];
+            }
+            else
+                [context setLatentView:view];
+
             [context makeCurrentContext];
         }
         else