375 lines
12 KiB
C++
375 lines
12 KiB
C++
#ifndef __VBUFFER_HPP__
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#define __VBUFFER_HPP__
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/*==========================================================================;
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*
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* Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
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*
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* File: vbuffer.hpp
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* Content: Class header the vertex buffer class
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*
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***************************************************************************/
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// Includes
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#include "buffer.hpp"
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// The base-class implementation of the vertex buffer assumes
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// that it is resides system-memory. It may be managed.
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class CVertexBuffer : public IDirect3DVertexBuffer8, public CBuffer
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{
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public:
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// Creation function for Vertex Buffers
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static HRESULT Create(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwUsage,
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DWORD dwFVF,
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D3DPOOL Pool,
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REF_TYPE refType,
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IDirect3DVertexBuffer8 **ppVertexBuffer);
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static HRESULT CreateSysmemVertexBuffer(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD dwUsage,
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DWORD dwActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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CVertexBuffer **pVB);
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static HRESULT CreateDriverVertexBuffer(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD dwUsage,
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DWORD dwActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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CVertexBuffer **pVB);
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static HRESULT CreateDriverManagedVertexBuffer(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD dwUsage,
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DWORD dwActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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CVertexBuffer **pVB);
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// Methods for Resource Management
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// Create duplicate of current object in new pool;
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// LOD is ignored for our type
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virtual HRESULT Clone(D3DPOOL Pool,
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CResource **ppResource) const;
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virtual const D3DBUFFER_DESC* GetBufferDesc() const;
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virtual HRESULT LockI(DWORD dwFlags) {return D3D_OK;}
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virtual HRESULT UnlockI() {return D3D_OK;}
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virtual void SetCachedDataPointer(BYTE *pData) {}
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HRESULT UpdateDirtyPortion(CResource *pResourceTarget);
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DWORD GetFVF() const { return m_desc.FVF; }
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// IUnknown methods
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STDMETHOD(QueryInterface) (REFIID riid,
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LPVOID FAR * ppvObj);
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STDMETHOD_(ULONG,AddRef) ();
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STDMETHOD_(ULONG,Release) ();
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// Some Methods for IDirect3DBuffer
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STDMETHOD(SetPrivateData)(REFGUID riid,
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CONST VOID *pvData,
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DWORD cbData,
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DWORD dwFlags);
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STDMETHOD(GetPrivateData)(REFGUID riid,
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LPVOID pvData,
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LPDWORD pcbData);
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STDMETHOD(FreePrivateData)(REFGUID riid);
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STDMETHOD(GetDevice)(IDirect3DDevice8 **ppDevice);
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STDMETHOD_(DWORD, GetPriority)();
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STDMETHOD_(DWORD, SetPriority)(DWORD dwPriority);
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STDMETHOD_(void, PreLoad)();
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STDMETHOD_(D3DRESOURCETYPE, GetType)();
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// Methods for IDirect3DVertexBuffer8
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STDMETHOD(Lock)(UINT cbOffsetToLock,
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UINT cbSizeToLock,
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BYTE **ppbData,
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DWORD dwFlags);
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STDMETHOD(Unlock)();
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STDMETHOD(GetDesc)(D3DVERTEXBUFFER_DESC *pDesc);
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DWORD GetVertexSize() const { return m_vertsize; }
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DWORD GetNumVertices() const { return m_numverts; }
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WORD* GetClipCodes() const { return m_pClipCodes; }
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void AllocateClipCodes();
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BYTE* Data() const
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{
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DXGASSERT(m_desc.Usage & D3DUSAGE_SOFTWAREPROCESSING);
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DXGASSERT(m_desc.Pool == D3DPOOL_SYSTEMMEM || m_desc.Pool == D3DPOOL_MANAGED);
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DXGASSERT(m_LockCount == 0);
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return GetPrivateDataPointer();
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}
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protected:
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CVertexBuffer(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD dwUsage,
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DWORD dwActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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HRESULT *phr);
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virtual ~CVertexBuffer()
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{
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delete[] m_pClipCodes;
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}
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#if DBG
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HRESULT ValidateLockParams(UINT cbOffsetToLock,
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UINT SizeToLock,
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BYTE **ppbData,
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DWORD dwFlags) const;
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#endif // DBG
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D3DVERTEXBUFFER_DESC m_desc;
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DWORD m_usageUser;
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DWORD m_numverts;
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DWORD m_vertsize;
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WORD* m_pClipCodes;
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}; // class CVertexBuffer
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class CVertexBufferMT : public CVertexBuffer
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{
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public:
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STDMETHOD(Lock)(UINT cbOffsetToLock,
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UINT cbSizeToLock,
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BYTE **ppbData,
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DWORD dwFlags)
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{
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API_ENTER(Device());
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return CVertexBuffer::Lock(cbOffsetToLock, cbSizeToLock, ppbData, dwFlags);
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}
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STDMETHOD(Unlock)()
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{
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API_ENTER(Device());
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return CVertexBuffer::Unlock();
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}
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friend CVertexBuffer;
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protected:
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CVertexBufferMT(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD Usage,
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DWORD ActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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HRESULT *phr) :
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CVertexBuffer(pDevice,
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cbLength,
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dwFVF,
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Usage,
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ActualUsage,
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Pool,
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ActualPool,
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refType,
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phr)
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{
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}
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}; // class CVertexBufferMT
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// This derived version of the vertex buffer class
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// overrides lock/unlock to call the driver instead
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class CDriverVertexBuffer : public CVertexBuffer
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{
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public:
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STDMETHOD(Lock)(UINT cbOffsetToLock,
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UINT cbSizeToLock,
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BYTE **ppbData,
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DWORD dwFlags);
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STDMETHOD(Unlock)();
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// Alloc CVertexBuffer to construct this object
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friend CVertexBuffer;
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HRESULT LockI(DWORD dwFlags);
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HRESULT UnlockI();
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BYTE* GetCachedDataPointer() const { return m_pbData; }
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void SetCachedDataPointer(BYTE *pData) { m_pbData = pData; }
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BYTE* Data() const
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{
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DXGASSERT(FALSE); // Direct pointer access not supported
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return 0;
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}
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protected:
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CDriverVertexBuffer(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD Usage,
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DWORD ActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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HRESULT *phr);
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~CDriverVertexBuffer();
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BYTE* m_pbData; // stores cached pointer
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}; // class CDriverVertexBuffer
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class CDriverVertexBufferMT : public CDriverVertexBuffer
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{
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public:
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STDMETHOD(Lock)(UINT cbOffsetToLock,
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UINT cbSizeToLock,
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BYTE **ppbData,
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DWORD dwFlags)
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{
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API_ENTER(Device());
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return CDriverVertexBuffer::Lock(cbOffsetToLock, cbSizeToLock, ppbData, dwFlags);
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}
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STDMETHOD(Unlock)()
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{
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API_ENTER(Device());
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return CDriverVertexBuffer::Unlock();
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}
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friend CVertexBuffer;
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protected:
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CDriverVertexBufferMT(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD Usage,
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DWORD ActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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HRESULT *phr) :
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CDriverVertexBuffer(pDevice,
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cbLength,
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dwFVF,
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Usage,
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ActualUsage,
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Pool,
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ActualPool,
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refType,
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phr)
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{
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}
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}; // class CVertexBufferMT
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// This derived version of the vertex buffer class
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// overrides lock/unlock to call the driver instead
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class CDriverManagedVertexBuffer : public CVertexBuffer
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{
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public:
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STDMETHOD(Lock)(UINT cbOffsetToLock,
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UINT cbSizeToLock,
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BYTE **ppbData,
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DWORD dwFlags);
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STDMETHOD(Unlock)();
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HRESULT LockI(DWORD dwFlags) {return D3D_OK;}
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HRESULT UnlockI() {return D3D_OK;}
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BYTE* Data() const
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{
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DXGASSERT(m_desc.Usage & D3DUSAGE_SOFTWAREPROCESSING);
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DXGASSERT((m_desc.Usage & D3DUSAGE_WRITEONLY) == 0);
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DXGASSERT(m_LockCount == 0);
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DXGASSERT(m_pbData != 0);
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return m_pbData;
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}
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// Alloc CVertexBuffer to construct this object
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friend CVertexBuffer;
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protected:
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CDriverManagedVertexBuffer(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD Usage,
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DWORD ActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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HRESULT *phr);
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HRESULT UpdateCachedPointer(CBaseDevice*);
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friend HRESULT CResource::RestoreDriverManagementState(CBaseDevice*);
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BYTE* m_pbData; // stores cached pointer
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BOOL m_bDriverCalled;
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}; // class CDriverVertexBuffer
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class CDriverManagedVertexBufferMT : public CDriverManagedVertexBuffer
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{
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public:
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STDMETHOD(Lock)(UINT cbOffsetToLock,
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UINT cbSizeToLock,
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BYTE **ppbData,
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DWORD dwFlags)
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{
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API_ENTER(Device());
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return CDriverManagedVertexBuffer::Lock(cbOffsetToLock, cbSizeToLock, ppbData, dwFlags);
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}
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STDMETHOD(Unlock)()
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{
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API_ENTER(Device());
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return CDriverManagedVertexBuffer::Unlock();
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}
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// Alloc CVertexBuffer to construct this object
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friend CVertexBuffer;
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protected:
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CDriverManagedVertexBufferMT(CBaseDevice *pDevice,
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DWORD cbLength,
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DWORD dwFVF,
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DWORD Usage,
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DWORD ActualUsage,
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D3DPOOL Pool,
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D3DPOOL ActualPool,
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REF_TYPE refType,
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HRESULT *phr) :
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CDriverManagedVertexBuffer(pDevice,
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cbLength,
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dwFVF,
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Usage,
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ActualUsage,
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Pool,
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ActualPool,
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refType,
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phr)
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{
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}
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}; // class CDriverVertexBufferMT
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#endif // __VBUFFER_HPP__
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