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62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRYENGINE_RENDERDLL_COMMON_OCCLQUERY_H
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#define CRYINCLUDE_CRYENGINE_RENDERDLL_COMMON_OCCLQUERY_H
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#pragma once
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class COcclusionQuery
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{
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public:
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COcclusionQuery()
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: m_nVisSamples(~0)
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, m_nCheckFrame(0)
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, m_nDrawFrame(0)
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, m_nOcclusionID(0)
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{
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}
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~COcclusionQuery()
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{
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Release();
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}
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void Create();
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void Release();
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void BeginQuery();
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void EndQuery();
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uint32 GetVisibleSamples(bool bAsynchronous);
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int GetDrawFrame() const
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{
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return m_nDrawFrame;
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}
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bool IsReady();
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bool IsCreated() const { return m_nOcclusionID != 0; }
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private:
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int m_nVisSamples;
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int m_nCheckFrame;
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int m_nDrawFrame;
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UINT_PTR m_nOcclusionID; // this will carry a pointer D3DQuery, so it needs to be 64-bit on Windows 64
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};
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#endif // CRYINCLUDE_CRYENGINE_RENDERDLL_COMMON_OCCLQUERY_H
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