342 lines
13 KiB
C
342 lines
13 KiB
C
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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// forward declaration
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class CMyRasterizer;
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////////////////////////////////////////////////////////////////////////////////
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//
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// CMyDriver
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//
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////////////////////////////////////////////////////////////////////////////////
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class CMyDriver:
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public CMinimalDriver< CMyDriver, CMyRasterizer>
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{
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private:
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static const CSurfaceCapWrap c_aSurfaces[];
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static const D3DCAPS8 c_D3DCaps;
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protected:
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public:
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CMyDriver();
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~CMyDriver()
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{ }
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static const D3DCAPS8 GetCaps( void)
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{ return c_D3DCaps; }
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};
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////////////////////////////////////////////////////////////////////////////////
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//
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// CMyRasterizer
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//
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////////////////////////////////////////////////////////////////////////////////
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class CMyRasterizer
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{
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public: // Types
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typedef CMyDriver::TContext TContext;
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protected:
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int m_iVal;
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public:
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CMyRasterizer() { }
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~CMyRasterizer() { }
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HRESULT DrawPrimitive( TContext& Context, const D3DHAL_DP2COMMAND& DP2Cmd,
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const D3DHAL_DP2DRAWPRIMITIVE* aDP2Param)
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{
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// Context can be converted to this structure.
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const D3DHAL_DP2VERTEXSHADER VertexShader( Context);
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// We need this data.
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UINT8* pStartVData= NULL;
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DWORD dwVStride( 0);
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// Since Sample is a non TnL device, the vertex shader handle should
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// always be a fixed function FVF.
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const DWORD dwFVF( VertexShader.dwHandle);
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// Since Sample only supports one stream, our data source should be
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// from stream 0.
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TContext::TVStream& VStream0( Context.GetVStream( 0));
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VStream0.SetFVF( dwFVF);
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// Find vertex information.
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if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::User)
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{
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pStartVData= reinterpret_cast< UINT8*>( VStream0.GetUserMemPtr());
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dwVStride= VStream0.GetStride();
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}
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else if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::System||
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VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartVData= reinterpret_cast< UINT8*>(
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VStream0.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwVStride= VStream0.GetStride();
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}
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if( pStartVData!= NULL)
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{
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const D3DHAL_DP2DRAWPRIMITIVE* pParam= aDP2Param;
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WORD wPrimitiveCount( DP2Cmd.wPrimitiveCount);
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if( wPrimitiveCount) do
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{
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const UINT8* pVData= pStartVData+ pParam->VStart* dwVStride;
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DrawOnePrimitive( Context, pParam->primType,
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pParam->PrimitiveCount, pVData, dwVStride, dwFVF);
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pParam++;
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} while( --wPrimitiveCount);
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}
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return DD_OK;
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}
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HRESULT DrawPrimitive2( TContext& Context, const D3DHAL_DP2COMMAND& DP2Cmd,
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const D3DHAL_DP2DRAWPRIMITIVE2* aDP2Param)
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{
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// Context can be converted to this structure.
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const D3DHAL_DP2VERTEXSHADER VertexShader( Context);
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// We need this data.
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UINT8* pStartVData= NULL;
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DWORD dwVStride( 0);
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// Since Sample is a non TnL device, the vertex shader handle should
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// always be a fixed function FVF.
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const DWORD dwFVF( VertexShader.dwHandle);
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// Since Sample only supports one stream, our data source should be
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// from stream 0.
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TContext::TVStream& VStream0( Context.GetVStream( 0));
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VStream0.SetFVF( dwFVF);
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// Find vertex information.
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if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::User)
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{
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pStartVData= reinterpret_cast< UINT8*>( VStream0.GetUserMemPtr());
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dwVStride= VStream0.GetStride();
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}
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else if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::System||
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VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartVData= reinterpret_cast< UINT8*>(
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VStream0.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwVStride= VStream0.GetStride();
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}
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if( pStartVData!= NULL)
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{
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const D3DHAL_DP2DRAWPRIMITIVE2* pParam= aDP2Param;
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WORD wPrimitiveCount( DP2Cmd.wPrimitiveCount);
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if( wPrimitiveCount) do
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{
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const UINT8* pVData= pStartVData+ pParam->FirstVertexOffset;
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DrawOnePrimitive( Context, pParam->primType,
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pParam->PrimitiveCount, pVData, dwVStride, dwFVF);
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pParam++;
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} while( --wPrimitiveCount);
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}
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return DD_OK;
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}
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HRESULT DrawIndexedPrimitive( TContext& Context, const D3DHAL_DP2COMMAND& DP2Cmd,
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const D3DHAL_DP2DRAWINDEXEDPRIMITIVE* aDP2Param)
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{
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// Context can be converted to these structures.
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const D3DHAL_DP2VERTEXSHADER VertexShader( Context);
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// We need this data.
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UINT8* pStartVData= NULL;
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UINT16* pStartIData= NULL;
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DWORD dwVStride( 0);
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DWORD dwIStride( 0);
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// Since Sample is a non TnL device, the vertex shader handle should
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// always be a fixed function FVF.
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const DWORD dwFVF( VertexShader.dwHandle);
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// Since Sample only supports one stream, our data source should be
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// from stream 0.
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TContext::TVStream& VStream0= Context.GetVStream( 0);
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VStream0.SetFVF( dwFVF);
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// Find vertex information.
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if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::User)
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{
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pStartVData= reinterpret_cast< UINT8*>( VStream0.GetUserMemPtr());
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dwVStride= VStream0.GetStride();
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}
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else if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::System||
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VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartVData= reinterpret_cast< UINT8*>(
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VStream0.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwVStride= VStream0.GetStride();
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}
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// Find Indices information.
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TContext::TIStream& IStream= Context.GetIStream( 0);
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if( IStream.GetMemLocation()== TContext::TIStream::EMemLocation::System||
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IStream.GetMemLocation()== TContext::TIStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartIData= reinterpret_cast< UINT16*>(
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IStream.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwIStride= IStream.GetStride();
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}
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if( pStartVData!= NULL&& pStartIData!= NULL)
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{
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// Sample should've marked caps as only supporting 16-bit indices.
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assert( sizeof(UINT16)== dwIStride);
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const D3DHAL_DP2DRAWINDEXEDPRIMITIVE* pParam= aDP2Param;
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WORD wPrimitiveCount( DP2Cmd.wPrimitiveCount);
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if( wPrimitiveCount) do
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{
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const UINT8* pVData= pStartVData+ pParam->BaseVertexIndex* dwVStride;
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const UINT16* pIData= pStartIData+ pParam->StartIndex; //* dwIStride;
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DrawOneIPrimitive( Context, pParam->primType,
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pParam->PrimitiveCount, pVData, dwVStride, dwFVF, pIData);
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pParam++;
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} while( --wPrimitiveCount);
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}
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return DD_OK;
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}
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HRESULT DrawIndexedPrimitive2( TContext& Context, const D3DHAL_DP2COMMAND& DP2Cmd,
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const D3DHAL_DP2DRAWINDEXEDPRIMITIVE2* aDP2Param)
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{
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// Context can be converted to these structures.
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const D3DHAL_DP2VERTEXSHADER VertexShader( Context);
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// We need this data.
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UINT8* pStartVData= NULL;
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UINT16* pStartIData= NULL;
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DWORD dwVStride( 0);
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DWORD dwIStride( 0);
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// Since Sample is a non TnL device, the vertex shader handle should
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// always be a fixed function FVF.
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const DWORD dwFVF( VertexShader.dwHandle);
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// Since Sample only supports one stream, our data source should be
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// from stream 0.
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TContext::TVStream& VStream0( Context.GetVStream( 0));
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VStream0.SetFVF( dwFVF);
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// Find vertex information.
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if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::User)
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{
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pStartVData= reinterpret_cast< UINT8*>( VStream0.GetUserMemPtr());
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dwVStride= VStream0.GetStride();
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}
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else if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::System||
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VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartVData= reinterpret_cast< UINT8*>(
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VStream0.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwVStride= VStream0.GetStride();
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}
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// Find Indices information.
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TContext::TIStream& IStream= Context.GetIStream( 0);
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if( IStream.GetMemLocation()== TContext::TIStream::EMemLocation::System||
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IStream.GetMemLocation()== TContext::TIStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartIData= reinterpret_cast< UINT16*>(
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IStream.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwIStride= IStream.GetStride();
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}
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if( pStartVData!= NULL&& pStartIData!= NULL)
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{
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// Sample should've marked caps as only supporting 16-bit indices.
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assert( sizeof(UINT16)== dwIStride);
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const D3DHAL_DP2DRAWINDEXEDPRIMITIVE2* pParam= aDP2Param;
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WORD wPrimitiveCount( DP2Cmd.wPrimitiveCount);
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if( wPrimitiveCount) do
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{
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const UINT8* pVData= pStartVData+ pParam->BaseVertexOffset;
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const UINT16* pIData= reinterpret_cast< const UINT16*>(
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pStartIData+ pParam->StartIndexOffset);
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DrawOneIPrimitive( Context, pParam->primType,
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pParam->PrimitiveCount, pVData, dwVStride, dwFVF, pIData);
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pParam++;
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} while( --wPrimitiveCount);
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}
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return DD_OK;
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}
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HRESULT ClippedTriangleFan( TContext& Context, const D3DHAL_DP2COMMAND& DP2Cmd,
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const D3DHAL_CLIPPEDTRIANGLEFAN* aDP2Param)
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{
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// Context can be converted to this structure.
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const D3DHAL_DP2VERTEXSHADER VertexShader( Context);
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// We need this data.
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UINT8* pStartVData= NULL;
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DWORD dwVStride( 0);
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// Since Sample is a non TnL device, the vertex shader handle should
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// always be a fixed function FVF.
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const DWORD dwFVF( VertexShader.dwHandle);
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// Since Sample only supports one stream, our data source should be
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// from stream 0.
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TContext::TVStream& VStream0( Context.GetVStream( 0));
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VStream0.SetFVF( dwFVF);
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// Find vertex information.
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if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::User)
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{
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pStartVData= reinterpret_cast< UINT8*>( VStream0.GetUserMemPtr());
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dwVStride= VStream0.GetStride();
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}
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else if( VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::System||
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VStream0.GetMemLocation()== TContext::TVStream::EMemLocation::Video)
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{
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// Sample can pretend system mem and video mem surfaces are the same.
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pStartVData= reinterpret_cast< UINT8*>(
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VStream0.GetSurfDBRepresentation()->GetGBLfpVidMem());
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dwVStride= VStream0.GetStride();
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}
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if( pStartVData!= NULL)
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{
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const D3DHAL_CLIPPEDTRIANGLEFAN* pParam= aDP2Param;
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WORD wPrimitiveCount( DP2Cmd.wPrimitiveCount);
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if( wPrimitiveCount) do
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{
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const UINT8* pVData= pStartVData+ pParam->FirstVertexOffset;
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// Must use pParam->dwEdgeFlags for correct drawing of wireframe.
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if( Context.GetRenderStateDW( D3DRS_FILLMODE)!= D3DFILL_WIREFRAME)
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DrawOnePrimitive( Context, D3DPT_TRIANGLEFAN,
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pParam->PrimitiveCount, pVData, dwVStride, dwFVF);
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else
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assert( false); // NYI
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pParam++;
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} while( --wPrimitiveCount);
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}
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return DD_OK;
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}
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void DrawOnePrimitive( TContext& Context, D3DPRIMITIVETYPE primType,
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WORD wPrims, const UINT8* pVData, DWORD dwVStride, DWORD dwFVF)
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{ }
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void DrawOneIPrimitive( TContext& Context, D3DPRIMITIVETYPE primType,
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WORD wPrims, const UINT8* pVData, DWORD dwVStride, DWORD dwFVF,
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const UINT16* pIData)
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{ }
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};
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