Alexandre Julliard : wgl: Don't call ExtEscape if we don' t have a GL context.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: be7b8be8b8f6d3304c8d71047c2467945f5e2635
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=be7b8be8b8f6d3304c8d71047c...

Author: Alexandre Julliard 
Date:   Wed May 14 12:46:25 2008 +0200

wgl: Don't call ExtEscape if we don't have a GL context.

---

dlls/winex11.drv/opengl.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index 04c2f2a..836a56a 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -2136,7 +2136,7 @@ static void WINAPI X11DRV_wglFinish(void)
     sync_context(ctx);
     pglFinish();
     wine_tsx11_unlock();
-    ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
+    if (ctx) ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
 }

static void WINAPI X11DRV_wglFlush(void)
@@ -2148,7 +2148,7 @@ static void WINAPI X11DRV_wglFlush(void)
     sync_context(ctx);
     pglFlush();
     wine_tsx11_unlock();
-    ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
+    if (ctx) ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
 }

/**