[2236] | 1 | ///////////////////////////////////////////////////////////////////////////////
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| 2 | //
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| 3 | // ## ######
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| 4 | // ###### ###
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| 5 | // ## ############### Shark 3D Engine (www.shark3d.com)
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| 6 | // ########## # # #
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| 7 | // ######## Copyright (c) 1996-2006 Spinor GmbH.
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| 8 | // ######### # # # All rights reserved.
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| 9 | // ## ##########
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| 10 | // ##
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| 11 | //
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| 12 | ///////////////////////////////////////////////////////////////////////////////
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| 13 |
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| 14 | #include "drv_d3d9_visib.h"
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| 15 |
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| 16 | #define S3D_DRV_D3D9_VISIB_PIXCNT 4
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| 17 |
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| 18 | ///////////////////////////////////////////////////////////////////////////////
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| 19 |
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| 20 | S3D_UTIL_RECOG_DEFINEINFO(s3d_CDrvD3d9Visib);
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| 21 |
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| 22 | s3d_CDrvD3d9Visib::s3d_CDrvD3d9Visib(
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| 23 | s3d_CDrvD3d9VisibMgr *VisibMgr,
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| 24 | s3d_CDrvD3d9QueryOcclusion &QueryOcclusion)
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| 25 | {
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| 26 | S3D_UTIL_RECOG_INITOBJ(s3d_CDrvD3d9Visib);
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| 27 |
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| 28 | m_VisibMgr = VisibMgr;
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| 29 | m_QueryOcclusion = QueryOcclusion;
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| 30 | }
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| 31 |
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| 32 | bool s3d_CDrvD3d9Visib::IsAvail()
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| 33 | {
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| 34 | return m_QueryOcclusion.IsAvail(false);
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| 35 | }
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| 36 |
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| 37 | bool s3d_CDrvD3d9Visib::GetResult(bool Wait)
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| 38 | {
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| 39 | DWORD Result = m_QueryOcclusion.GetResult(Wait);
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| 40 | bool IsVisib = Result > S3D_DRV_D3D9_VISIB_PIXCNT;
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| 41 | return IsVisib;
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| 42 | }
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| 43 |
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| 44 | void s3d_CDrvD3d9Visib::RefCntGotDownToZero()
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| 45 | {
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| 46 | m_VisibMgr->AddToPool(this);
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| 47 | }
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| 48 |
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| 49 | ///////////////////////////////////////////////////////////////////////////////
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| 50 |
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| 51 | s3d_CDrvD3d9VisibMgr::s3d_CDrvD3d9VisibMgr(
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| 52 | s3d_CUtilMsgHandler *MsgHandler,
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| 53 | s3d_CDrvD3d9Env &Env, s3d_CDrvD3d9Param *D3dParam,
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| 54 | s3d_CDrvD3d9Device &D3dDev)
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| 55 | {
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| 56 | m_MsgHandler = MsgHandler;
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| 57 | m_Env = &Env;
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| 58 | m_D3dDev = D3dDev;
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| 59 |
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| 60 | m_QueryOcclusion.Init(m_Env, D3dDev);
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| 61 | }
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| 62 |
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| 63 | void s3d_CDrvD3d9VisibMgr::BeginVisib()
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| 64 | {
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| 65 | s3d_CDrvD3d9VisibPtr Visib = m_VisibFreePool.ExtractBack();
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| 66 | if(!Visib)
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| 67 | Visib = S3D_SYS_NEW s3d_CDrvD3d9Visib(this, m_QueryOcclusion);
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| 68 |
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| 69 | m_QueryOcclusion.Begin();
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| 70 | m_VisibArray.InsertBack(Visib);
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| 71 | }
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| 72 |
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| 73 | s3d_CDrvGfxVisibPtr s3d_CDrvD3d9VisibMgr::EndVisib()
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| 74 | {
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| 75 | s3d_CDrvD3d9VisibPtr Visib = m_VisibArray.ExtractBack();
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| 76 | m_QueryOcclusion.End();
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| 77 | return Visib.Get();
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| 78 | }
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| 79 |
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| 80 | void s3d_CDrvD3d9VisibMgr::Park()
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| 81 | {
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| 82 | m_VisibArray.Reset();
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| 83 | m_QueryOcclusion.Reset();
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| 84 | }
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| 85 |
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| 86 | void s3d_CDrvD3d9VisibMgr::Unpark()
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| 87 | {
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| 88 | m_QueryOcclusion.Init(m_Env, m_D3dDev);
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| 89 | }
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| 90 |
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| 91 | void s3d_CDrvD3d9VisibMgr::AddToPool(
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| 92 | s3d_CDrvD3d9Visib *Visib)
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| 93 | {
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| 94 | m_VisibFreePool.InsertBack(Visib);
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| 95 | }
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| 96 |
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| 97 | ///////////////////////////////////////////////////////////////////////////////
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