ddraw: Do not use unset viewport in viewport_activate().

Signed-off-by: Józef Kucia <jkucia@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ddraw: Do not use unset viewport in viewport_activate().
ecad1995 · Józef Kucia · Alexandre Julliard · f4865564 · ecad1995
Commit ecad1995 authored Nov 12, 2018 by Józef Kucia Committed by Alexandre Julliard Nov 12, 2018
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viewport.c dlls/ddraw/viewport.c +6 -0

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--- a/dlls/ddraw/viewport.c
+++ b/dlls/ddraw/viewport.c
@@ -68,6 +68,12 @@ void viewport_activate(struct d3d_viewport *This, BOOL ignore_lights)
        }
    }

+    if (This->version == DDRAW_VIEWPORT_VERSION_NONE)
+    {
+        TRACE("Viewport data was not set.\n");
+        return;
+    }
+
    /* And copy the values in the structure used by the device */
    if (This->version == DDRAW_VIEWPORT_VERSION_2)
    {