[PATCH 0/1] MR3585: winex11.drv: Release old drawables after setting new ones in sync_context().

[Paul Gofman (＠gofman)]

Context might hold the last reference to the drawable and we want to set the new GLX drawable before the currently set one is destroyed.

[PATCH 1/1] winex11.drv: Release old drawables after setting new ones in sync_context().

[Paul Gofman]

From: Paul Gofman

---
 dlls/winex11.drv/opengl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index aadc0b99cd1..c23df82c7b9 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -1201,18 +1201,19 @@ static void mark_drawable_dirty( struct gl_drawable *old, struct gl_drawable *ne
 static inline void sync_context(struct wgl_context *context)
 {
     BOOL refresh = FALSE;
+    struct gl_drawable *old[2] = { NULL };

pthread_mutex_lock( &context_mutex );
     if (context->new_drawables[0])
     {
-        release_gl_drawable( context->drawables[0] );
+        old[0] = context->drawables[0];
         context->drawables[0] = context->new_drawables[0];
         context->new_drawables[0] = NULL;
         refresh = TRUE;
     }
     if (context->new_drawables[1])
     {
-        release_gl_drawable( context->drawables[1] );
+        old[1] = context->drawables[1];
         context->drawables[1] = context->new_drawables[1];
         context->new_drawables[1] = NULL;
         refresh = TRUE;
@@ -1224,6 +1225,8 @@ static inline void sync_context(struct wgl_context *context)
                                    context->drawables[1]->drawable, context->ctx);
         else
             pglXMakeCurrent(gdi_display, context->drawables[0]->drawable, context->ctx);
+        release_gl_drawable( old[0] );
+        release_gl_drawable( old[1] );
     }
     pthread_mutex_unlock( &context_mutex );
 }