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CryCommon/CREOcclusionQuery.h

@@ -0,0 +1,47 @@
+ 
+#ifndef __CREOCCLUSIONQUERY_H__
+#define __CREOCCLUSIONQUERY_H__
+
+//=============================================================
+
+class CREOcclusionQuery : public CRendElement
+{
+  friend class CRender3D;
+public:
+
+  int m_nVisSamples;
+  int m_nCheckFrame;
+  int m_nDrawFrame;
+	Vec3 m_vBoxMin;
+	Vec3 m_vBoxMax;
+#ifdef OPENGL
+	uint m_nOcclusionID;
+#if defined(WIN64) || defined(LINUX64)
+	uint m_nOcclusionID2; // this is the safety dummy value to make the occlusion id extendable to 64-bit
+#endif
+#else
+  UINT_PTR m_nOcclusionID; // this will carry a pointer LPDIRECT3DQUERY9, so it needs to be 64-bit on WIN64 
+#endif
+		
+
+  CREOcclusionQuery()
+  {
+    m_nOcclusionID = 0;
+    m_nVisSamples = 800*600;
+    m_nCheckFrame = 0;
+    m_nDrawFrame = 0;
+		m_vBoxMin=Vec3(0,0,0);
+		m_vBoxMax=Vec3(0,0,0);
+
+		mfSetType(eDATA_OcclusionQuery);
+    mfUpdateFlags(FCEF_TRANSFORM);
+  }
+
+  virtual ~CREOcclusionQuery();
+
+  virtual void mfPrepare();
+  virtual bool mfDraw(SShader *ef, SShaderPass *sfm);
+  virtual void mfReset();
+};
+
+#endif  // __CREOCCLUSIONQUERY_H__