workaround for PeterTh#14

d3d9.cpp

@@ -4,14 +4,23 @@
 #include "main.h"
 #include "Settings.h"
 
+namespace {
+	/* Direct3DCreate9 seems to be called twice when the game first launches, and then again every single time 
+	   a video plays. For some reason, Steam's GameOverlayRenderer.dll (which performs its own hooking of
+	   Direct3DCreate9 among other things) crashes when videos play. We only need the hook when the game first
+	   launches anyway, so only create hkIDirect3D9s twice to work around that crash. */
+	int hkDirect3DCreate9CallCount = 0;
+}
+
 IDirect3D9 *APIENTRY hkDirect3DCreate9(UINT SDKVersion) {
 	IDirect3D9 *d3dint = NULL;
 	//if(Settings::get().getEnableTripleBuffering()) Direct3DCreate9Ex(SDKVersion, (IDirect3D9Ex**)&d3dint);
 	//else d3dint = oDirect3DCreate9(SDKVersion);
 	d3dint = oDirect3DCreate9(SDKVersion);
 
-	if(d3dint != NULL) {
+	if(d3dint != NULL && hkDirect3DCreate9CallCount < 2) {
 		hkIDirect3D9 *ret = new hkIDirect3D9(&d3dint);
+		++hkDirect3DCreate9CallCount;
 	}
 	return d3dint;
 }