[PATCH 1/1] winex11: Avoid recreating the offscreen GL window if not necessary.

[Rémi Bernon]

From: Rémi Bernon

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57215
---
 dlls/winex11.drv/opengl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index 95ad0957d13..d235529bff0 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -1305,6 +1305,7 @@ static void update_gl_drawable_size( struct gl_drawable *gl )
 void sync_gl_drawable( HWND hwnd, BOOL known_child )
 {
     struct gl_drawable *old, *new;
+    BOOL is_offscreen;

if (!(old = get_gl_drawable( hwnd, 0 ))) return;

@@ -1312,9 +1313,9 @@ void sync_gl_drawable( HWND hwnd, BOOL known_child )
     {
     case DC_GL_WINDOW:
     case DC_GL_CHILD_WIN:
-        if (!known_child)
+        is_offscreen = old->type == DC_GL_CHILD_WIN;
+        if (is_offscreen == needs_offscreen_rendering( hwnd, known_child ))
         {
-            /* Still a childless top-level window */
             update_gl_drawable_size( old );
             break;
         }