gfxD3D9OcclusionQuery.h

Engine/source/gfx/D3D9/gfxD3D9OcclusionQuery.h
Classes:

class
Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#ifndef _GFX_D3D9_OCCLUSIONQUERY_H_
25#define _GFX_D3D9_OCCLUSIONQUERY_H_
26
27#ifndef _GFXOCCLUSIONQUERY_H_
28#include "gfx/gfxOcclusionQuery.h"
29#endif
30
31#ifdef TORQUE_GATHER_METRICS
32   #ifndef _PLATFORM_PLATFORMTIMER_H_
33   #include "platform/platformTimer.h"
34   #endif
35#endif
36
37struct IDirect3DQuery9;
38
39
40class GFXD3D9OcclusionQuery : public GFXOcclusionQuery
41{
42private:
43   mutable IDirect3DQuery9 *mQuery;
44
45#ifdef TORQUE_GATHER_METRICS
46   U32 mBeginFrame;
47   U32 mTimeSinceEnd;
48   PlatformTimer *mTimer;
49#endif
50
51public:
52   GFXD3D9OcclusionQuery( GFXDevice *device );
53   virtual ~GFXD3D9OcclusionQuery();
54
55   virtual bool begin();
56   virtual void end();   
57   virtual OcclusionQueryStatus getStatus( bool block, U32 *data = NULL );
58
59   // GFXResource
60   virtual void zombify();   
61   virtual void resurrect();
62   virtual const String describeSelf() const;
63};
64
65#endif // _GFX_D3D9_OCCLUSIONQUERY_H_
66