[PATCH 1/2] winemac.drv: Never set a zero backing size for a GL context.

[Tim Clem]

From: Tim Clem

Doing so results in a Metal assertion on newer OSes.
---
 dlls/winemac.drv/cocoa_opengl.m | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/dlls/winemac.drv/cocoa_opengl.m b/dlls/winemac.drv/cocoa_opengl.m
index ea00f95ff68..8be73b18afb 100644
--- a/dlls/winemac.drv/cocoa_opengl.m
+++ b/dlls/winemac.drv/cocoa_opengl.m
@@ -94,6 +94,7 @@ - (void) resetSurfaceIfBackingSizeChanged
         }
     }

+    /* The size must not have a zero dimension. */
     - (void) wine_updateBackingSize:(const CGSize*)size
     {
         GLint enabled;
@@ -234,7 +235,8 @@ void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v, CGRect
     {
         if (view == [context view] || view == [context latentView])
         {
-            [context wine_updateBackingSize:&r.size];
+            if (!CGRectIsEmpty(r))
+                [context wine_updateBackingSize:&r.size];
             macdrv_update_opengl_context(c);
         }
         else
@@ -248,7 +250,8 @@ void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v, CGRect
                 context.needsReattach = FALSE;
                 if (context.view)
                     [context setView:[[context class] dummyView]];
-                [context wine_updateBackingSize:&r.size];
+                if (!CGRectIsEmpty(r))
+                    [context wine_updateBackingSize:&r.size];
                 [context setView:view];
                 [context setLatentView:nil];
                 [context resetSurfaceIfBackingSizeChanged];
@@ -257,7 +260,8 @@ void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v, CGRect
             {
                 if ([context view])
                     [context clearDrawableLeavingSurfaceOnScreen];
-                [context wine_updateBackingSize:&r.size];
+                if (!CGRectIsEmpty(r))
+                    [context wine_updateBackingSize:&r.size];
                 [context setLatentView:view];
             }
         }