Set render space for CoreLib again upon setting new display mode.

Author: DreamyCecil

SeriousSam.cpp

@@ -1495,6 +1495,9 @@ BOOL TryToSetDisplayMode(enum GfxAPIType eGfxAPI, INDEX iAdapter, PIX pixSizeI,
     // [Cecil] Force wide adjustment based on current aspect ratio
     pdp->dp_fWideAdjustment = ((FLOAT)pdp->GetHeight() / (FLOAT)pdp->GetWidth()) * (4.0f / 3.0f);
 
+    // [Cecil] Set core render space
+    IRender::SetDrawPort(pdp);
+
     // initial screen fill and swap, just to get context running
     BOOL bSuccess = FALSE;