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248 lines
9.3 KiB
248 lines
9.3 KiB
/*==========================================================================;
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*
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* Copyright (C) 1998 Microsoft Corporation. All Rights Reserved.
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*
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* File: stateset.hpp
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* Content: State sets handling interfaces
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*
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***************************************************************************/
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#ifndef _STATESET_HPP_
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#define _STATESET_HPP_
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#include "hmgr.hpp"
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extern void InsertStateSetOp(CD3DBase *pDevI, DWORD dwOperation, DWORD dwParam, D3DSTATEBLOCKTYPE sbt);
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//---------------------------------------------------------------------
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// This class provides interface to the growing state set buffer
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//
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class CStateSetBuffer
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{
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public:
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CStateSetBuffer()
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{
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m_pBuffer = NULL;
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m_dwCurrentSize = 0;
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m_dwBufferSize = 0;
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m_pDP2CurrCommand = 0;
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}
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CStateSetBuffer(CStateSetBuffer& src)
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{
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m_dwCurrentSize = src.m_dwCurrentSize;
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m_dwBufferSize = src.m_dwCurrentSize;
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if(m_dwCurrentSize != 0)
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{
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m_pBuffer = new BYTE[m_dwCurrentSize];
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if(m_pBuffer == 0)
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{
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m_dwCurrentSize = 0;
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m_pDP2CurrCommand = 0;
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throw E_OUTOFMEMORY;
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}
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memcpy(m_pBuffer, src.m_pBuffer, m_dwCurrentSize);
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}
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else
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{
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m_pBuffer = 0;
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}
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m_pDP2CurrCommand = 0;
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}
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~CStateSetBuffer()
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{
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delete [] m_pBuffer;
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}
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void operator=(CStateSetBuffer& src)
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{
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m_dwCurrentSize = src.m_dwCurrentSize;
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if(m_dwBufferSize != m_dwCurrentSize)
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{
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m_dwBufferSize = m_dwCurrentSize;
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delete [] m_pBuffer;
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if(m_dwCurrentSize != 0)
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{
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m_pBuffer = new BYTE[m_dwCurrentSize];
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if(m_pBuffer == 0)
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{
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m_dwCurrentSize = 0;
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m_pDP2CurrCommand = 0;
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throw E_OUTOFMEMORY;
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}
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}
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else
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{
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m_pBuffer = 0;
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m_pDP2CurrCommand = 0;
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return;
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}
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}
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memcpy(m_pBuffer, src.m_pBuffer, m_dwCurrentSize);
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m_pDP2CurrCommand = 0;
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}
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// Insert a command to the buffer. Grow buffer if necessary
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void InsertCommand(D3DHAL_DP2OPERATION, LPVOID pData, DWORD dwDataSize);
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// Reset current command
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void ResetCurrentCommand()
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{
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m_pDP2CurrCommand = 0;
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}
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// Set buffer to its initial state. Memory is not freed
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void Reset()
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{
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m_dwCurrentSize = 0;
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m_pDP2CurrCommand = 0;
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}
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DWORD m_dwCurrentSize;
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DWORD m_dwBufferSize;
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BYTE *m_pBuffer;
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//Pointer to the current position the CB1 buffer
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LPD3DHAL_DP2COMMAND m_pDP2CurrCommand;
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};
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//---------------------------------------------------------------------
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// This class provides interface to a state set
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//
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const DWORD __STATESET_INITIALIZED = 1;
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// Set if we have to check if we need to restore texture stage indices
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const DWORD __STATESET_NEEDCHECKREMAPPING = 2;
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// Set if the state set executed had purely pixel state
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const DWORD __STATESET_HASONLYVERTEXSTATE = 4;
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class CStateSet
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{
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public:
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CStateSet()
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{
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m_dwStateSetFlags = 0;
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m_dwDeviceHandle = __INVALIDHANDLE;
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}
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virtual void InsertCommand(D3DHAL_DP2OPERATION, LPVOID pData, DWORD dwDataSize, BOOL bDriverCanHandle);
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// Mark the state set as unused. The object is not destroyed and can be
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// reused
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HRESULT Release();
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// Execute the front-end only or device state subset
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virtual void Execute(CD3DBase *pDevI, BOOL bFrontEndBuffer);
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// Capture the current device state into the state block
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virtual void Capture(CD3DBase *pDevI, BOOL bFrontEndBuffer);
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// Create a predefined state block
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virtual void CreatePredefined(CD3DBase *pDevI, D3DSTATEBLOCKTYPE sbt);
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// Reset the current command in both buffers
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void ResetCurrentCommand()
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{
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m_FEOnlyBuffer.ResetCurrentCommand();
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m_DriverBuffer.ResetCurrentCommand();
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}
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protected:
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CStateSetBuffer m_FEOnlyBuffer; // Contains commands that driver can not
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// understand
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CStateSetBuffer m_DriverBuffer; // Contains commands that driver can
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// understand
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DWORD m_dwDeviceHandle; // Some sets could not have corresponding
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// device buffers, so device handle is not
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// equal to the user visible handle
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DWORD m_dwStateSetFlags;
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friend class CStateSets;
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};
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class CPureStateSet : public CStateSet
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{
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public:
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void InsertCommand(D3DHAL_DP2OPERATION, LPVOID pData, DWORD dwDataSize, BOOL bDriverCanHandle);
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void Execute(CD3DBase *pDevI, BOOL bFrontEndBuffer);
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void Capture(CD3DBase *pDevI, BOOL bFrontEndBuffer);
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void CreatePredefined(CD3DBase *pDevI, D3DSTATEBLOCKTYPE sbt);
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};
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//---------------------------------------------------------------------
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// This class encapsulates handling of array of state sets
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//
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class CStateSets
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{
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public:
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CStateSets();
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~CStateSets();
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HRESULT Init(CD3DBase *pDev);
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HRESULT StartNewSet();
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void EndSet();
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// Returns current handle
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DWORD GetCurrentHandle() {return m_dwCurrentHandle;}
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// Delete state set
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void DeleteStateSet(CD3DBase *pDevI, DWORD dwHandle);
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// Returns information about state set data to be written to the device
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// Allocates a new handle for the device buffer
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void GetDeviceBufferInfo(DWORD* dwStateSetHandle, LPVOID *pBuffer, DWORD* dwBufferSize);
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void CreateNewDeviceHandle(DWORD* dwStateSetHandle);
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// Copy buffer and translate for DX7 DDI
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void TranslateDeviceBufferToDX7DDI( DWORD* p, DWORD dwSize );
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// Insert a render state to the current state set
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// Throws an exception in case of error
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void InsertRenderState(D3DRENDERSTATETYPE state, DWORD dwValue,
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BOOL bDriverCanHandle);
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void InsertLight(DWORD dwLightIndex, CONST D3DLIGHT8*);
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void InsertLightEnable(DWORD dwLightIndex, BOOL bEnable);
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void InsertMaterial(CONST D3DMATERIAL8*);
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void InsertViewport(CONST D3DVIEWPORT8*);
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void InsertTransform(D3DTRANSFORMSTATETYPE state, CONST D3DMATRIX* lpMat);
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void InsertTextureStageState(DWORD, D3DTEXTURESTAGESTATETYPE, DWORD);
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void InsertTexture(DWORD dwStage, IDirect3DBaseTexture8 *pTex);
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void InsertClipPlane(DWORD dwPlaneIndex, CONST D3DVALUE* pPlaneEquation);
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void InsertVertexShader(DWORD dwShaderHandle, BOOL bHardware);
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void InsertPixelShader(DWORD dwShaderHandle);
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void InsertStreamSource(DWORD dwStream, CVertexBuffer *pBuf, DWORD dwStride);
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void InsertIndices(CIndexBuffer *pBuf, DWORD dwBaseVertex);
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void InsertVertexShaderConstant(DWORD Register, CONST VOID* pConstantData, DWORD ConstantCount);
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void InsertPixelShaderConstant(DWORD Register, CONST VOID* pConstantData, DWORD ConstantCount);
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void InsertCurrentTexturePalette(DWORD PaletteNumber);
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// Execute a state set with the specified handle
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void Execute(CD3DBase *pDevI, DWORD dwHandle);
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// Capture a state set to the the specified handle
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void Capture(CD3DBase *pDevI, DWORD dwHandle);
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// Capture predefined state
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void CreatePredefined(CD3DBase *pDevI, D3DSTATEBLOCKTYPE sbt);
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void Cleanup(DWORD dwHandle);
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protected:
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const DWORD m_GrowSize;
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DWORD m_dwMaxSets; // Maximum number of state sets
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DWORD m_dwCurrentHandle;
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CStateSet * m_pStateSets; // Array of state sets
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CStateSet * m_pCurrentStateSet;
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CHandleFactory m_DeviceHandles; // Used to create device handles
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CHandleFactory m_SetHandles; // Used to create state sets
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CStateSet * m_pBufferSet;
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DWORD m_dwFlags;
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BOOL m_bPure, m_bTLHal, m_bEmulate, m_bDX8Dev, m_bHardwareVP;
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};
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// This is RESERVED0 in d3dhal.h
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#define D3DDP2OP_FRONTENDDATA 4 // Used by the front-end only
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#define D3DDP2OP_FESETVB 5
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#define D3DDP2OP_FESETIB 6
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#define D3DDP2OP_FESETPAL 7
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// This structure is used by the front-end only
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typedef struct _D3DHAL_DP2FRONTENDDATA
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{
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WORD wStage; // texture stage
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IDirect3DBaseTexture8 * pTexture; // Texture pointer
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} D3DHAL_DP2FRONTENDDATA;
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typedef D3DHAL_DP2FRONTENDDATA UNALIGNED64 * LPD3DHAL_DP2FRONTENDDATA;
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typedef struct _D3DHAL_DP2FESETVB
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{
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WORD wStream;
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CVertexBuffer * pBuf;
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DWORD dwStride;
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} D3DHAL_DP2FESETVB;
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typedef D3DHAL_DP2FESETVB UNALIGNED64 * LPD3DHAL_DP2FESETVB;
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typedef struct _D3DHAL_DP2FESETIB
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{
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CIndexBuffer * pBuf;
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DWORD dwBase;
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} D3DHAL_DP2FESETIB;
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typedef D3DHAL_DP2FESETIB UNALIGNED64 * LPD3DHAL_DP2FESETIB;
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typedef struct _D3DHAL_DP2FESETPAL
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{
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DWORD dwPaletteNumber;
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} D3DHAL_DP2FESETPAL;
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typedef D3DHAL_DP2FESETPAL UNALIGNED64 * LPD3DHAL_DP2FESETPAL;
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#endif //_STATESTE_HPP_
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