windows-nt/Source/XPSP1/NT/multimedia/directx/dxg/d3d8/fw/vbuffer.hpp

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2020-09-26 03:20:57 -05:00
#ifndef __VBUFFER_HPP__
#define __VBUFFER_HPP__
/*==========================================================================;
*
* Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
*
* File: vbuffer.hpp
* Content: Class header the vertex buffer class
*
***************************************************************************/
// Includes
#include "buffer.hpp"
// The base-class implementation of the vertex buffer assumes
// that it is resides system-memory. It may be managed.
class CVertexBuffer : public IDirect3DVertexBuffer8, public CBuffer
{
public:
// Creation function for Vertex Buffers
static HRESULT Create(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwUsage,
DWORD dwFVF,
D3DPOOL Pool,
REF_TYPE refType,
IDirect3DVertexBuffer8 **ppVertexBuffer);
static HRESULT CreateSysmemVertexBuffer(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD dwUsage,
DWORD dwActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
CVertexBuffer **pVB);
static HRESULT CreateDriverVertexBuffer(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD dwUsage,
DWORD dwActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
CVertexBuffer **pVB);
static HRESULT CreateDriverManagedVertexBuffer(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD dwUsage,
DWORD dwActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
CVertexBuffer **pVB);
// Methods for Resource Management
// Create duplicate of current object in new pool;
// LOD is ignored for our type
virtual HRESULT Clone(D3DPOOL Pool,
CResource **ppResource) const;
virtual const D3DBUFFER_DESC* GetBufferDesc() const;
virtual HRESULT LockI(DWORD dwFlags) {return D3D_OK;}
virtual HRESULT UnlockI() {return D3D_OK;}
virtual void SetCachedDataPointer(BYTE *pData) {}
HRESULT UpdateDirtyPortion(CResource *pResourceTarget);
DWORD GetFVF() const { return m_desc.FVF; }
// IUnknown methods
STDMETHOD(QueryInterface) (REFIID riid,
LPVOID FAR * ppvObj);
STDMETHOD_(ULONG,AddRef) ();
STDMETHOD_(ULONG,Release) ();
// Some Methods for IDirect3DBuffer
STDMETHOD(SetPrivateData)(REFGUID riid,
CONST VOID *pvData,
DWORD cbData,
DWORD dwFlags);
STDMETHOD(GetPrivateData)(REFGUID riid,
LPVOID pvData,
LPDWORD pcbData);
STDMETHOD(FreePrivateData)(REFGUID riid);
STDMETHOD(GetDevice)(IDirect3DDevice8 **ppDevice);
STDMETHOD_(DWORD, GetPriority)();
STDMETHOD_(DWORD, SetPriority)(DWORD dwPriority);
STDMETHOD_(void, PreLoad)();
STDMETHOD_(D3DRESOURCETYPE, GetType)();
// Methods for IDirect3DVertexBuffer8
STDMETHOD(Lock)(UINT cbOffsetToLock,
UINT cbSizeToLock,
BYTE **ppbData,
DWORD dwFlags);
STDMETHOD(Unlock)();
STDMETHOD(GetDesc)(D3DVERTEXBUFFER_DESC *pDesc);
DWORD GetVertexSize() const { return m_vertsize; }
DWORD GetNumVertices() const { return m_numverts; }
WORD* GetClipCodes() const { return m_pClipCodes; }
void AllocateClipCodes();
BYTE* Data() const
{
DXGASSERT(m_desc.Usage & D3DUSAGE_SOFTWAREPROCESSING);
DXGASSERT(m_desc.Pool == D3DPOOL_SYSTEMMEM || m_desc.Pool == D3DPOOL_MANAGED);
DXGASSERT(m_LockCount == 0);
return GetPrivateDataPointer();
}
protected:
CVertexBuffer(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD dwUsage,
DWORD dwActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
HRESULT *phr);
virtual ~CVertexBuffer()
{
delete[] m_pClipCodes;
}
#if DBG
HRESULT ValidateLockParams(UINT cbOffsetToLock,
UINT SizeToLock,
BYTE **ppbData,
DWORD dwFlags) const;
#endif // DBG
D3DVERTEXBUFFER_DESC m_desc;
DWORD m_usageUser;
DWORD m_numverts;
DWORD m_vertsize;
WORD* m_pClipCodes;
}; // class CVertexBuffer
class CVertexBufferMT : public CVertexBuffer
{
public:
STDMETHOD(Lock)(UINT cbOffsetToLock,
UINT cbSizeToLock,
BYTE **ppbData,
DWORD dwFlags)
{
API_ENTER(Device());
return CVertexBuffer::Lock(cbOffsetToLock, cbSizeToLock, ppbData, dwFlags);
}
STDMETHOD(Unlock)()
{
API_ENTER(Device());
return CVertexBuffer::Unlock();
}
friend CVertexBuffer;
protected:
CVertexBufferMT(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD Usage,
DWORD ActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
HRESULT *phr) :
CVertexBuffer(pDevice,
cbLength,
dwFVF,
Usage,
ActualUsage,
Pool,
ActualPool,
refType,
phr)
{
}
}; // class CVertexBufferMT
// This derived version of the vertex buffer class
// overrides lock/unlock to call the driver instead
class CDriverVertexBuffer : public CVertexBuffer
{
public:
STDMETHOD(Lock)(UINT cbOffsetToLock,
UINT cbSizeToLock,
BYTE **ppbData,
DWORD dwFlags);
STDMETHOD(Unlock)();
// Alloc CVertexBuffer to construct this object
friend CVertexBuffer;
HRESULT LockI(DWORD dwFlags);
HRESULT UnlockI();
BYTE* GetCachedDataPointer() const { return m_pbData; }
void SetCachedDataPointer(BYTE *pData) { m_pbData = pData; }
BYTE* Data() const
{
DXGASSERT(FALSE); // Direct pointer access not supported
return 0;
}
protected:
CDriverVertexBuffer(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD Usage,
DWORD ActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
HRESULT *phr);
~CDriverVertexBuffer();
BYTE* m_pbData; // stores cached pointer
}; // class CDriverVertexBuffer
class CDriverVertexBufferMT : public CDriverVertexBuffer
{
public:
STDMETHOD(Lock)(UINT cbOffsetToLock,
UINT cbSizeToLock,
BYTE **ppbData,
DWORD dwFlags)
{
API_ENTER(Device());
return CDriverVertexBuffer::Lock(cbOffsetToLock, cbSizeToLock, ppbData, dwFlags);
}
STDMETHOD(Unlock)()
{
API_ENTER(Device());
return CDriverVertexBuffer::Unlock();
}
friend CVertexBuffer;
protected:
CDriverVertexBufferMT(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD Usage,
DWORD ActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
HRESULT *phr) :
CDriverVertexBuffer(pDevice,
cbLength,
dwFVF,
Usage,
ActualUsage,
Pool,
ActualPool,
refType,
phr)
{
}
}; // class CVertexBufferMT
// This derived version of the vertex buffer class
// overrides lock/unlock to call the driver instead
class CDriverManagedVertexBuffer : public CVertexBuffer
{
public:
STDMETHOD(Lock)(UINT cbOffsetToLock,
UINT cbSizeToLock,
BYTE **ppbData,
DWORD dwFlags);
STDMETHOD(Unlock)();
HRESULT LockI(DWORD dwFlags) {return D3D_OK;}
HRESULT UnlockI() {return D3D_OK;}
BYTE* Data() const
{
DXGASSERT(m_desc.Usage & D3DUSAGE_SOFTWAREPROCESSING);
DXGASSERT((m_desc.Usage & D3DUSAGE_WRITEONLY) == 0);
DXGASSERT(m_LockCount == 0);
DXGASSERT(m_pbData != 0);
return m_pbData;
}
// Alloc CVertexBuffer to construct this object
friend CVertexBuffer;
protected:
CDriverManagedVertexBuffer(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD Usage,
DWORD ActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
HRESULT *phr);
HRESULT UpdateCachedPointer(CBaseDevice*);
friend HRESULT CResource::RestoreDriverManagementState(CBaseDevice*);
BYTE* m_pbData; // stores cached pointer
BOOL m_bDriverCalled;
}; // class CDriverVertexBuffer
class CDriverManagedVertexBufferMT : public CDriverManagedVertexBuffer
{
public:
STDMETHOD(Lock)(UINT cbOffsetToLock,
UINT cbSizeToLock,
BYTE **ppbData,
DWORD dwFlags)
{
API_ENTER(Device());
return CDriverManagedVertexBuffer::Lock(cbOffsetToLock, cbSizeToLock, ppbData, dwFlags);
}
STDMETHOD(Unlock)()
{
API_ENTER(Device());
return CDriverManagedVertexBuffer::Unlock();
}
// Alloc CVertexBuffer to construct this object
friend CVertexBuffer;
protected:
CDriverManagedVertexBufferMT(CBaseDevice *pDevice,
DWORD cbLength,
DWORD dwFVF,
DWORD Usage,
DWORD ActualUsage,
D3DPOOL Pool,
D3DPOOL ActualPool,
REF_TYPE refType,
HRESULT *phr) :
CDriverManagedVertexBuffer(pDevice,
cbLength,
dwFVF,
Usage,
ActualUsage,
Pool,
ActualPool,
refType,
phr)
{
}
}; // class CDriverVertexBufferMT
#endif // __VBUFFER_HPP__