opengl32: Set last error on invalid hdc to wglCreateContextAttribsARB.

dlls/opengl32/tests/opengl.c

@@ -884,12 +884,13 @@ static void test_opengl3(HDC hdc)
     {
         HGLRC gl3Ctx;
         DWORD error;
+        SetLastError(0xdeadbeef);
         gl3Ctx = pwglCreateContextAttribsARB((HDC)0xdeadbeef, 0, 0);
         ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid HDC passed\n");
         error = GetLastError();
-        todo_wine ok(error == ERROR_DC_NOT_FOUND ||
-                     broken(error == NVIDIA_HRESULT_FROM_WIN32(ERROR_INVALID_DATA)), /* Nvidia Vista + Win7 */
-                     "Expected ERROR_DC_NOT_FOUND, got error=%x\n", error);
+        ok(error == ERROR_DC_NOT_FOUND ||
+           broken(error == NVIDIA_HRESULT_FROM_WIN32(ERROR_INVALID_DATA)), /* Nvidia Vista + Win7 */
+           "Expected ERROR_DC_NOT_FOUND, got error=%x\n", error);
         wglDeleteContext(gl3Ctx);
     }
 

dlls/opengl32/wgl.c

@@ -274,7 +274,12 @@ HGLRC WINAPI wglCreateContextAttribsARB( HDC hdc, HGLRC share, const int *attrib
     struct opengl_context *context;
     struct opengl_funcs *funcs = get_dc_funcs( hdc );
 
-    if (!funcs || !funcs->ext.p_wglCreateContextAttribsARB) return 0;
+    if (!funcs)
+    {
+        SetLastError( ERROR_DC_NOT_FOUND );
+        return 0;
+    }
+    if (!funcs->ext.p_wglCreateContextAttribsARB) return 0;
     if (share && !(share_ptr = get_handle_ptr( share, HANDLE_CONTEXT ))) return 0;
     if ((drv_ctx = funcs->ext.p_wglCreateContextAttribsARB( hdc,
                                               share_ptr ? share_ptr->u.context->drv_ctx : NULL, attribs )))