402 lines
12 KiB
C++
402 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) Microsoft Corporation, 1998.
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//
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// rdutil.cpp
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//
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// Direct3D Reference Device - Utilities
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//
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//
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//
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "pch.cpp"
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#pragma hdrstop
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//////////////////////////////////////////////////////////////////////////////////
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// //
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// DPF support //
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// //
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//////////////////////////////////////////////////////////////////////////////////
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// control globals
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int g_iDPFLevel = 0;
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unsigned long g_uDPFMask = 0x0;
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//-----------------------------------------------------------------------------
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//
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// RDDebugPrintf(L) - Utilities to print varargs-formatted strings of debugging
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// info. The 'L' version takes a level into account in deciding to print or
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// not.
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//
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//-----------------------------------------------------------------------------
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void
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RDErrorPrintf( const char* pszFormat, ... )
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{
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char tmp[1024];
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_snprintf( (LPSTR) tmp, 1024, "D3DRefDev:ERROR: ");
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va_list marker;
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va_start(marker, pszFormat);
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_vsnprintf(tmp+lstrlen(tmp), 1024-lstrlen(tmp), pszFormat, marker);
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_snprintf( (LPSTR) tmp, 1024, "%s\n", tmp );
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OutputDebugString(tmp);
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printf(tmp);
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}
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void
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RDDebugPrintf( const char* pszFormat, ... )
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{
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char tmp[1024];
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_snprintf( (LPSTR) tmp, 1024, "D3DRefDev: ");
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va_list marker;
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va_start(marker, pszFormat);
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_vsnprintf(tmp+lstrlen(tmp), 1024-lstrlen(tmp), pszFormat, marker);
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_snprintf( (LPSTR) tmp, 1024, "%s\n", tmp );
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OutputDebugString(tmp);
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printf(tmp);
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}
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void
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RDDebugPrintfL( int iLevel, const char* pszFormat, ... )
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{
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if ( (iLevel <= g_iDPFLevel) )
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{
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char tmp[1024];
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_snprintf( (LPSTR) tmp, 1024, "D3DRefDev: ");
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va_list marker;
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va_start(marker, pszFormat);
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_vsnprintf(tmp+lstrlen(tmp), 1024-lstrlen(tmp), pszFormat, marker);
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_snprintf( (LPSTR) tmp, 1024, "%s\n", tmp );
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OutputDebugString(tmp);
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printf(tmp);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// Assert Reporting
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//
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///////////////////////////////////////////////////////////////////////////////
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// little-bit-o-state to track file and line number reporting - this is makes
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// this code non-reentrant and non-threadsafe... oh well...
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static const char* _pszLastReportFile = NULL;
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static int _iLastReportLine = -1;
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//-----------------------------------------------------------------------------
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void
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RDAssertReport( const char* pszString, const char* pszFile, int iLine )
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{
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char szTmp[1024];
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_snprintf( szTmp, 1024, "D3DRR ASSERT: <%d,%s> %s\n",
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iLine, pszFile, pszString );
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OutputDebugString( szTmp );
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#if DBG
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DebugBreak();
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#endif
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}
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//-----------------------------------------------------------------------------
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void
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RDAssertReportPrefix( const char* pszFile, int iLine )
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{
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_pszLastReportFile = pszFile;
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_iLastReportLine = iLine;
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}
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//-----------------------------------------------------------------------------
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void
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RDAssertReportMessage( const char* pszFormat, ... )
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{
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char szTmp[1024];
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va_list marker;
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va_start( marker, pszFormat );
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_vsnprintf( szTmp, 1024, pszFormat, marker );
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RDAssertReport( szTmp, _pszLastReportFile, _iLastReportLine );
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Generic bit twiddling utilities //
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// //
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///////////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------------
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//
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// CountSetBits - Returns number of set bits in a multibit value (up to
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// 32 bits).
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//
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//-----------------------------------------------------------------------------
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INT32
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CountSetBits( UINT32 uVal, INT32 nBits )
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{
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INT32 iRet = 0;
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for (INT32 i=0; i<nBits; i++) {
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if (uVal & (0x1<<i)) { iRet++; }
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}
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return iRet;
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}
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//-----------------------------------------------------------------------------
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//
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// FindFirstSetBit - Returns index of first set bit in a multibit value
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// (up to 32 bits) or -1 if no bits are set.
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//
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//-----------------------------------------------------------------------------
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INT32
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FindFirstSetBit( UINT32 uVal, INT32 nBits )
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{
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for (INT32 i=0; i<nBits; i++) {
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if (uVal & (0x1<<i)) { return i; }
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}
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return -1;
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}
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//-----------------------------------------------------------------------------
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//
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// FindMostSignificantSetBit - Returns index of first set bit in a
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// multibit value (up to 32 bits) or 0 if no bits are set.
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//
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//-----------------------------------------------------------------------------
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INT32
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FindMostSignificantSetBit( UINT32 uVal, INT32 nBits )
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{
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for (INT32 i=nBits; i>=0; i--) {
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if (uVal & (0x1<<i)) { return i+1; }
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}
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return 0;
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}
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//-----------------------------------------------------------------------------
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//
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// FindLastSetBit - Returns index of last set bit in a multibit value
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// (up to 32 bits) or -1 if no bits are set.
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//
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//-----------------------------------------------------------------------------
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INT32
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FindLastSetBit( UINT32 uVal, INT32 nBits )
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{
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for (INT32 i=0; i<nBits; i++) {
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if (uVal & (0x1<<(nBits-i-1))) { return (nBits-i-1); }
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}
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return -1;
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Arithmetic utilities //
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// //
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///////////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------------
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//
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// LerpColor - Performs a linear interpolation between two RDColors
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//
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// uT is in 1.5 format (1<<5 represents a unit value)
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//
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//-----------------------------------------------------------------------------
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void
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LerpColor(
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RDColor& Color,
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const RDColor& Color0, const RDColor& Color1, UINT8 uT )
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{
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FLOAT fT = (1./(FLOAT)(1<<5))*(FLOAT)uT;
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Color.A = Color0.A + (Color1.A - Color0.A)*fT;
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Color.R = Color0.R + (Color1.R - Color0.R)*fT;
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Color.G = Color0.G + (Color1.G - Color0.G)*fT;
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Color.B = Color0.B + (Color1.B - Color0.B)*fT;
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}
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//-----------------------------------------------------------------------------
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//
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// Bilerp - Performs bilinear interpolation of 4 RDColors returning one RDColor.
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//
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//-----------------------------------------------------------------------------
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void
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BiLerpColor(
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RDColor& OutColor,
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const RDColor& Color00, const RDColor& Color01,
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const RDColor& Color10, const RDColor& Color11,
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UINT8 uA, UINT8 uB )
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{
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RDColor Color0, Color1;
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LerpColor( Color0, Color00, Color01, uA);
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LerpColor( Color1, Color10, Color11, uA);
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LerpColor( OutColor, Color0, Color1, uB);
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}
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void
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BiLerpColor3D(
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RDColor& OutColor,
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const RDColor& Color000, const RDColor& Color010,
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const RDColor& Color100, const RDColor& Color110,
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const RDColor& Color001, const RDColor& Color011,
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const RDColor& Color101, const RDColor& Color111,
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UINT8 uA, UINT8 uB, UINT8 uC)
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{
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RDColor Color0, Color1, OutColor0, OutColor1;
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LerpColor( Color0, Color000, Color010, uA);
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LerpColor( Color1, Color100, Color110, uA);
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LerpColor( OutColor0, Color0, Color1, uB);
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LerpColor( Color0, Color001, Color011, uA);
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LerpColor( Color1, Color101, Color111, uA);
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LerpColor( OutColor1, Color0, Color1, uB);
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LerpColor( OutColor, OutColor0, OutColor1, uC);
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// DDGetAttachedSurfaceLcl implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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DDGetAttachedSurfaceLcl(
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LPDDRAWI_DDRAWSURFACE_LCL this_lcl,
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LPDDSCAPS2 lpDDSCaps,
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LPDDRAWI_DDRAWSURFACE_LCL *lplpDDAttachedSurfaceLcl)
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{
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LPDDRAWI_DIRECTDRAW_GBL pdrv;
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LPDDRAWI_DDRAWSURFACE_GBL pgbl;
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LPATTACHLIST pal;
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DWORD caps;
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DWORD testcaps;
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DWORD ucaps;
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DWORD caps2;
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DWORD testcaps2;
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DWORD ucaps2;
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DWORD caps3;
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DWORD testcaps3;
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DWORD ucaps3;
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DWORD caps4;
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DWORD testcaps4;
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DWORD ucaps4;
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BOOL ok;
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pgbl = this_lcl->lpGbl;
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*lplpDDAttachedSurfaceLcl = NULL;
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pdrv = pgbl->lpDD;
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/*
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* look for the surface
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*/
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pal = this_lcl->lpAttachList;
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testcaps = lpDDSCaps->dwCaps;
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testcaps2 = lpDDSCaps->dwCaps2;
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testcaps3 = lpDDSCaps->dwCaps3;
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testcaps4 = lpDDSCaps->dwCaps4;
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while( pal != NULL )
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{
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ok = TRUE;
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caps = pal->lpAttached->ddsCaps.dwCaps;
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caps2 = pal->lpAttached->lpSurfMore->ddsCapsEx.dwCaps2;
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caps3 = pal->lpAttached->lpSurfMore->ddsCapsEx.dwCaps3;
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caps4 = pal->lpAttached->lpSurfMore->ddsCapsEx.dwCaps4;
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ucaps = caps & testcaps;
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ucaps2 = caps2 & testcaps2;
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ucaps3 = caps3 & testcaps3;
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ucaps4 = caps4 & testcaps4;
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if( ucaps | ucaps2 | ucaps3 | ucaps4 )
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{
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/*
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* there are caps in common, make sure that the caps to test
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* were all there
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*/
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if( (ucaps & testcaps) == testcaps &&
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(ucaps2 & testcaps2) == testcaps2 &&
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(ucaps3 & testcaps3) == testcaps3 &&
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(ucaps4 & testcaps4) == testcaps4 )
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{
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}
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else
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{
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ok = FALSE;
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}
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}
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else
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{
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ok = FALSE;
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}
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if( ok )
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{
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*lplpDDAttachedSurfaceLcl = pal->lpAttached;
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return DD_OK;
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}
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pal = pal->lpLink;
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}
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return DDERR_NOTFOUND;
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}
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//---------------------------------------------------------------------
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// Gets the value from DIRECT3D registry key
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// Returns TRUE if success
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// If fails value is not changed
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//---------------------------------------------------------------------
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BOOL
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GetD3DRegValue(DWORD type, char *valueName, LPVOID value, DWORD dwSize)
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{
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HKEY hKey = (HKEY) NULL;
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if (ERROR_SUCCESS == RegOpenKey(HKEY_LOCAL_MACHINE, RESPATH_D3D, &hKey))
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{
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DWORD dwType;
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LONG result;
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result = RegQueryValueEx(hKey, valueName, NULL, &dwType,
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(LPBYTE)value, &dwSize);
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RegCloseKey(hKey);
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return result == ERROR_SUCCESS && dwType == type;
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}
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else
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return FALSE;
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}
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//---------------------------------------------------------------------
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// Gets the value from DIRECT3D Reference device registry key
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// Returns TRUE if success
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// If fails value is not changed
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//---------------------------------------------------------------------
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BOOL
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GetD3DRefRegValue(DWORD type, char *valueName, LPVOID value, DWORD dwSize)
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{
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HKEY hKey = (HKEY) NULL;
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if (ERROR_SUCCESS == RegOpenKey(HKEY_LOCAL_MACHINE, RESPATH_D3DREF, &hKey))
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{
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DWORD dwType;
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LONG result;
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result = RegQueryValueEx(hKey, valueName, NULL, &dwType,
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(LPBYTE)value, &dwSize);
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RegCloseKey(hKey);
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return result == ERROR_SUCCESS && dwType == type;
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}
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else
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return FALSE;
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}
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///////////////////////////////////////////////////////////////////////////////
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// RefAlignedBuffer32
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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RefAlignedBuffer32::Grow(DWORD growSize)
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{
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if (m_allocatedBuf)
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free(m_allocatedBuf);
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m_size = growSize;
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if ((m_allocatedBuf = malloc(m_size + 31)) == NULL)
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{
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m_allocatedBuf = 0;
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m_alignedBuf = 0;
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m_size = 0;
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return DDERR_OUTOFMEMORY;
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}
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m_alignedBuf = (LPVOID)(((ULONG_PTR)m_allocatedBuf + 31 ) & ~31);
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return S_OK;
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}
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//////////////////////////////////////////////////////////////////////////////////
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// end
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