1HEADmaster

1 files changed, 3838 insertions, 0 deletions

diff --git a/togl/linuxwin/dx9asmtogl2.cpp b/togl/linuxwin/dx9asmtogl2.cpp
new file mode 100644
index 0000000..22be8fc
--- /dev/null
+++ b/togl/linuxwin/dx9asmtogl2.cpp
@@ -0,0 +1,3838 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//                       TOGL CODE LICENSE
+//
+//  Copyright 2011-2014 Valve Corporation
+//  All Rights Reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//------------------------------------------------------------------------------
+// DX9AsmToGL2.cpp
+//------------------------------------------------------------------------------
+// Immediately include gl.h, etc. here to avoid compilation warnings.
+#include <GL/gl.h>
+#include <GL/glext.h>
+
+#include "togl/rendermechanism.h"
+#include "tier0/dbg.h"
+#include "tier1/strtools.h"
+#include "tier1/utlbuffer.h"
+#include "dx9asmtogl2.h"
+
+#include "materialsystem/IShader.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#ifdef POSIX
+#define strcat_s( a, b, c) V_strcat( a, c, b )
+#endif
+
+#define DST_REGISTER		0
+#define SRC_REGISTER		1
+
+// Flags to PrintUsageAndIndexToString.
+#define SEMANTIC_OUTPUT		0x01
+#define SEMANTIC_INPUT		0x02
+
+#define UNDECLARED_OUTPUT	0xFFFFFFFF
+#define UNDECLARED_INPUT	0xFFFFFFFF
+
+#ifndef POSIX
+#define Debugger() Assert(0)
+#endif
+
+//#define Assert(n) if( !(n) ){ TranslationError(); }
+
+
+static char *g_szVecZeros[] = { NULL, "0.0", "vec2( 0.0, 0.0 )", "vec3( 0.0, 0.0, 0.0 )", "vec4( 0.0, 0.0, 0.0, 0.0 )" };
+static char *g_szVecOnes[] = { NULL, "1.0", "vec2( 1.0, 1.0 )", "vec3( 1.0, 1.0, 1.0 )", "vec4( 1.0, 1.0, 1.0, 1.0 )" };
+static char *g_szDefaultSwizzle = "xyzw";
+static char *g_szDefaultSwizzleStrings[] = { "x", "y", "z", "w" };
+static char *g_szSamplerStrings[] = { "2D", "CUBE", "3D" };
+
+static const char *g_pAtomicTempVarName = "atomic_temp_var";
+static const char *g_pTangentAttributeName = "g_tangent";
+
+int __cdecl SortInts( const int *a, const int *b )
+{
+	if ( *a < *b )
+		return -1;
+	else if ( *a > *b )
+		return 1;
+	else
+		return 0;
+}
+
+void StripExtraTrailingZeros( char *pStr )
+{
+	int len = (int)V_strlen( pStr );
+	while ( len >= 2 && pStr[len-1] == '0' && pStr[len-2] != '.' )
+	{
+		pStr[len-1] = 0;
+		--len;
+	}
+}
+
+void D3DToGL::PrintToBufWithIndents( CUtlBuffer &buf, const char *pFormat, ... )
+{
+	va_list marker;
+	va_start( marker, pFormat );
+
+	char szTemp[1024];
+	V_vsnprintf( szTemp, sizeof( szTemp ), pFormat, marker );
+	va_end( marker );
+
+	PrintIndentation( (char*)buf.Base(), buf.Size() );
+	strcat_s( (char*)buf.Base(), buf.Size(), szTemp );
+}
+
+void PrintToBuf( CUtlBuffer &buf, const char *pFormat, ... )
+{
+	va_list marker;
+	va_start( marker, pFormat );
+	
+	char szTemp[1024];
+	V_vsnprintf( szTemp, sizeof( szTemp ), pFormat, marker );
+	va_end( marker );
+
+	strcat_s( (char*)buf.Base(), buf.Size(), szTemp );
+}
+
+void PrintToBuf( char *pOut, int nOutSize, const char *pFormat, ... )
+{
+	int nStrlen = V_strlen( pOut );
+	pOut += nStrlen;
+	nOutSize -= nStrlen;
+	
+	va_list marker;
+	va_start( marker, pFormat );
+	V_vsnprintf( pOut, nOutSize, pFormat, marker );
+	va_end( marker );
+}
+
+// Return the number of letters following the dot.
+// Returns 4 if there is no dot.
+// (So "r0.xy" returns 2 and "r0" returns 4).
+int GetNumWriteMaskEntries( const char *pParam )
+{
+	const char *pDot = strchr( pParam, '.' );
+	if ( pDot )
+		return V_strlen( pDot + 1 );
+	else
+		return 4;
+}
+
+const char* GetSwizzleDot( const char *pParam )
+{
+	const char *pDot = strrchr( pParam, '.' );
+
+	const char *pSquareClose = strrchr( pParam, ']' );
+
+	if ( pSquareClose )
+	{
+		// The test against ']' catches cases like, so we point to the last dot vc[int(va_r.x) + 29].x
+		if ( pDot && ( pSquareClose < pDot  ) )
+			return pDot;
+		else
+			return NULL;
+	}
+
+	// Make sure the next character is a valid swizzle since we want to treat strings like vec4( gl_Normal, 0.0 ) as a whole param name.
+	if ( pDot && ( ( *(pDot+1) == 'x' ) || ( *(pDot+1) == 'y' ) || ( *(pDot+1) == 'z' ) || ( *(pDot+1) == 'w' ) ||
+				   ( *(pDot+1) == 'r' ) || ( *(pDot+1) == 'g' ) || ( *(pDot+1) == 'b' ) || ( *(pDot+1) == 'z' ) ) )
+	{
+		return pDot;
+	}
+
+	return NULL;
+}
+
+int GetNumSwizzleComponents( const char *pParam )
+{
+	// Special scalar output which won't accept a swizzle
+	if ( !V_stricmp( pParam, "gl_FogFragCoord" ) )
+		return 1;
+
+	// Special scalar output which won't accept a swizzle
+	if ( !V_stricmp( pParam, "gl_FragDepth" ) )
+		return 1;	
+	
+	// Special scalar output which won't accept a swizzle
+	if ( !V_stricmp( pParam, "a0" ) )
+		return 1;
+	
+	const char *pDot = GetSwizzleDot( pParam );
+	if ( pDot )
+	{
+		pDot++; // Step over the dot
+
+		int nNumSwizzleComponents = 0;
+		while ( ( *pDot == 'x' ) || ( *pDot == 'y' ) || ( *pDot == 'z' ) || ( *pDot == 'w' ) ||
+				( *pDot == 'r' ) || ( *pDot == 'g' ) || ( *pDot == 'b' ) || ( *pDot == 'z' ) )
+		{
+			nNumSwizzleComponents++;
+			pDot++;
+		}
+
+		return nNumSwizzleComponents;
+	}
+
+	return 0;
+}
+
+char GetSwizzleComponent( const char *pParam, int n )
+{
+	Assert( n < 4 );
+
+	const char *pDot = GetSwizzleDot( pParam );
+	if ( pDot )
+	{
+		++pDot;
+		int nComponents = (int)V_strlen( pDot );
+		Assert( nComponents > 0 );
+
+		if ( n < nComponents )
+			return pDot[n];
+		else
+			return pDot[nComponents-1];
+	}
+
+	return g_szDefaultSwizzle[n];
+}
+
+// Replace the parameter name and leave the swizzle intact.
+// So "somevar.xyz" becomes "othervar.xyz".
+void ReplaceParamName( const char *pSrc, const char *pNewParamName, char *pOut, int nOutLen )
+{
+	// Start with the new parameter name.
+	V_strncpy( pOut, pNewParamName, nOutLen );
+
+	// Now add the swizzle if necessary.
+	const char *pDot = GetSwizzleDot( pSrc );
+	if ( pDot )
+	{
+		V_strncat( pOut, pDot, nOutLen );
+	}
+}
+
+void GetParamNameWithoutSwizzle( const char *pParam, char *pOut, int nOutLen )
+{
+	char *pParamStart = (char *) pParam;
+	const char *pDot = GetSwizzleDot( pParam );			// dot followed by valid swizzle characters
+	bool bAbsWrapper = false;
+
+	// Check for abs() or -abs() wrapper and strip it off during the fixup
+	if ( !V_strncmp( pParam, "abs(", 4 ) || !V_strncmp( pParam, "-abs(", 5 ) )
+	{
+		const char *pOpenParen = strchr( pParam, '(' );		// FIRST opening paren
+		const char *pClosingParen = strrchr( pParam, ')' ); // LAST closing paren
+
+		Assert ( pOpenParen && pClosingParen );
+		pClosingParen; // hush compiler
+
+		pParamStart = (char *) pOpenParen;
+		pParamStart++;
+		bAbsWrapper = true;
+	}
+
+	if ( pDot  )
+	{
+		int nToCopy = MIN( nOutLen-1, pDot - pParamStart );
+		memcpy( pOut, pParamStart, nToCopy );
+		pOut[nToCopy] = 0;
+	}
+	else
+	{
+		V_strncpy( pOut, pParamStart, bAbsWrapper ? nOutLen - 1 : nOutLen );
+	}
+}
+
+bool DoParamNamesMatch( const char *pParam1, const char *pParam2 )
+{
+	char szTemp[2][256];
+	GetParamNameWithoutSwizzle( pParam1, szTemp[0], sizeof( szTemp[0] ) );
+	GetParamNameWithoutSwizzle( pParam2, szTemp[1], sizeof( szTemp[1] ) );
+	return ( V_stricmp( szTemp[0], szTemp[1] ) == 0 );
+}
+
+
+
+// Extract the n'th component of the swizzle mask.
+// If n would exceed the length of the swizzle mask, then it looks up into "xyzw".
+void WriteParamWithSingleMaskEntry( const char *pParam, int n, char *pOut, int nOutLen )
+{
+	bool bCloseParen = false;
+	if ( !V_strncmp( pParam, "-abs(", 5 ) )
+	{
+		V_strcpy( pOut, "-abs(" );
+		bCloseParen = true;
+		
+		pOut += 5; nOutLen -= 5;
+	}
+	else if ( !V_strncmp( pParam, "abs(", 4 ) )
+	{
+		V_strcpy( pOut, "abs(" );
+		bCloseParen = true;
+		
+		pOut += 4; nOutLen -= 4;
+	}
+	
+	GetParamNameWithoutSwizzle( pParam, pOut, nOutLen );
+	PrintToBuf( pOut, nOutLen, "." );
+	PrintToBuf( pOut, nOutLen, "%c", GetSwizzleComponent( pParam, n ) );
+
+	if ( bCloseParen )
+	{
+		PrintToBuf( pOut, nOutLen, ")" );
+	}
+}
+
+
+float uint32ToFloat( uint32 dw )
+{
+	return *((float*)&dw);
+}
+
+CUtlString EnsureNumSwizzleComponents( const char *pSrcRegisterName, int nComponents )
+{
+	int nExisting = GetNumSwizzleComponents( pSrcRegisterName );
+	if ( nExisting == nComponents )
+		return pSrcRegisterName;
+
+	bool bAbsWrapper = false; // Parameter wrapped in an abs()
+	bool bAbsNegative = false; // -abs()
+	char szSrcRegister[128];
+	V_strncpy( szSrcRegister, pSrcRegisterName, sizeof(szSrcRegister) );
+
+	// Check for abs() or -abs() wrapper and strip it off during the fixup
+	if ( !V_strncmp( pSrcRegisterName, "abs(", 4 ) || !V_strncmp( pSrcRegisterName, "-abs(", 5 ) )
+	{
+		bAbsWrapper = true;
+		bAbsNegative = pSrcRegisterName[0] == '-';
+
+		const char *pOpenParen = strchr( pSrcRegisterName, '(' );		// FIRST opening paren
+		const char *pClosingParen = strrchr( pSrcRegisterName, ')' ); // LAST closing paren
+
+		Assert ( pOpenParen && pClosingParen );	// If we start with abs( and don't get both parens, something is very wrong
+
+		// Copy out just the register name with no abs()
+		int nRegNameLength = pClosingParen - pOpenParen - 1;
+		V_strncpy( szSrcRegister, pOpenParen+1, nRegNameLength + 1 ); // Kind of a weird function...copy more than you need and slam the last char to NULL-terminate
+	}
+
+	char szReg[256];
+	GetParamNameWithoutSwizzle( szSrcRegister, szReg, sizeof( szReg ) );
+	if ( nComponents == 0 )
+		return szReg;
+
+	PrintToBuf( szReg, sizeof( szReg ), "." );
+	if ( nExisting > nComponents )
+	{
+		// DX ASM will sometimes have statements like "NRM r0.xyz, r1.yzww", where it just doesn't use the last part of r1. So we won't either.
+		for ( int i=0; i < nComponents; i++ )
+		{
+			PrintToBuf( szReg, sizeof( szReg ), "%c", GetSwizzleComponent( szSrcRegister, i ) );
+		}
+	}
+	else
+	{
+		if ( nExisting == 0 )
+		{
+			// We've got something like r0 and need N more components, so add as much of "xyzw" is needed.
+			for ( int i=0; i < nComponents; i++ )
+				PrintToBuf( szReg, sizeof( szReg ), "%c", g_szDefaultSwizzle[i] );
+		}
+		else
+		{
+			// We've got something like r0.x and need N more components, so replicate the X so it looks like r0.xxx
+			V_strncpy( szReg, szSrcRegister, sizeof( szReg ) );
+			char cLast = szSrcRegister[ V_strlen( szSrcRegister ) - 1 ];
+			for ( int i=nExisting; i < nComponents; i++ )
+			{
+				PrintToBuf( szReg, sizeof( szReg ), "%c", cLast );
+			}
+		}
+	}
+
+	if ( bAbsWrapper )
+	{
+		char szTemp[128];
+		V_strncpy( szTemp, szReg, sizeof(szTemp) );
+		V_snprintf( szReg, sizeof( szReg ), "%sabs(%s)", bAbsNegative ? "-" : "", szTemp ) ;
+	}
+
+	return szReg;	
+}
+
+static void TranslationError()
+{
+	GLMDebugPrintf( "D3DToGL: GLSL translation error!\n" );
+	DebuggerBreakIfDebugging();
+	
+	Error( "D3DToGL: GLSL translation error!\n" );
+}
+
+D3DToGL::D3DToGL()
+{
+}
+
+uint32 D3DToGL::GetNextToken( void )
+{
+	uint32 dwToken = *m_pdwNextToken;
+	m_pdwNextToken++;
+	return dwToken;
+}
+
+void D3DToGL::SkipTokens( uint32 numToSkip )
+{
+	m_pdwNextToken += numToSkip;
+}
+
+uint32 D3DToGL::Opcode( uint32 dwToken )
+{
+	return ( dwToken & D3DSI_OPCODE_MASK );
+}
+
+uint32 D3DToGL::OpcodeSpecificData (uint32 dwToken)
+{
+	return ( ( dwToken & D3DSP_OPCODESPECIFICCONTROL_MASK ) >> D3DSP_OPCODESPECIFICCONTROL_SHIFT );
+}
+
+uint32 D3DToGL::TextureType ( uint32 dwToken )
+{
+	return ( dwToken & D3DSP_TEXTURETYPE_MASK ); // Note this one doesn't shift due to weird D3DSAMPLER_TEXTURE_TYPE enum
+}
+
+
+
+// Print GLSL intrinsic corresponding to particular instruction
+bool D3DToGL::OpenIntrinsic( uint32 inst, char* buff, int nBufLen, uint32 destDimension, uint32 nArgumentDimension )
+{
+	// Some GLSL intrinsics need type conversion, which we do in this routine
+	// As a result, the caller must sometimes close both parentheses, not just one
+	bool bDoubleClose = false;
+	
+	if ( nArgumentDimension == 0 )
+	{
+		nArgumentDimension = 4;
+	}
+	
+	switch ( inst )
+	{
+		case D3DSIO_RSQ:
+			V_snprintf( buff, nBufLen, "inversesqrt( " );
+			break;
+		case D3DSIO_DP3:
+		case D3DSIO_DP4:
+			if ( destDimension == 1 )
+			{
+				V_snprintf( buff, nBufLen, "dot( " );
+			}
+			else
+			{
+				if ( !destDimension )
+					destDimension = 4;
+				V_snprintf( buff, nBufLen, "vec%d( dot( ", destDimension );
+				bDoubleClose = true;
+			}
+			break;
+		case D3DSIO_MIN:
+			V_snprintf( buff, nBufLen, "min( " );
+			break;
+		case D3DSIO_MAX:
+			V_snprintf( buff, nBufLen, "max( " );
+			break;
+		case D3DSIO_SLT:
+			if ( nArgumentDimension == 1 )
+			{
+				V_snprintf( buff, nBufLen, "float( " ); // lessThan doesn't have a scalar version
+			}
+			else
+			{
+				Assert( nArgumentDimension > 1 );
+				V_snprintf( buff, nBufLen, "vec%d( lessThan( ", nArgumentDimension );
+				bDoubleClose = true;
+			}
+			break;
+		case D3DSIO_SGE:
+			if ( nArgumentDimension == 1 )
+			{
+				V_snprintf( buff, nBufLen, "float( " ); // greaterThanEqual doesn't have a scalar version
+			}
+			else
+			{
+				Assert( nArgumentDimension > 1 );
+				V_snprintf( buff, nBufLen, "vec%d( greaterThanEqual( ", nArgumentDimension );
+				bDoubleClose = true;
+			}					
+			break;
+		case D3DSIO_EXP:
+			V_snprintf( buff, nBufLen, "exp( " );  // exp2 ?
+			break;
+		case D3DSIO_LOG:
+			V_snprintf( buff, nBufLen, "log( " );	// log2 ?
+			break;
+		case D3DSIO_LIT:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "lit( " ); // gonna have to write this one
+			break;
+		case D3DSIO_DST:
+			V_snprintf( buff, nBufLen, "dst( " ); // gonna have to write this one
+			break;
+		case D3DSIO_LRP:
+			Assert( !m_bVertexShader );
+			V_snprintf( buff, nBufLen, "mix( " );
+			break;
+		case D3DSIO_FRC:
+			V_snprintf( buff, nBufLen, "fract( " );
+			break;
+		case D3DSIO_M4x4:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "m4x4" );
+			break;
+		case D3DSIO_M4x3:
+		case D3DSIO_M3x4:
+		case D3DSIO_M3x3:
+		case D3DSIO_M3x2:
+		case D3DSIO_CALL:
+		case D3DSIO_CALLNZ:
+		case D3DSIO_LOOP:
+		case D3DSIO_RET:
+		case D3DSIO_ENDLOOP:
+		case D3DSIO_LABEL:
+		case D3DSIO_DCL:
+			TranslationError();
+			break;
+		case D3DSIO_POW:
+			V_snprintf( buff, nBufLen, "pow( " );
+			break;
+		case D3DSIO_CRS:
+			V_snprintf( buff, nBufLen, "cross( " );
+			break;
+		case D3DSIO_SGN:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "sign( " );
+			break;
+		case D3DSIO_ABS:
+			V_snprintf( buff, nBufLen, "abs( " );
+			break;
+		case D3DSIO_NRM:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "normalize( " );
+			break;
+		case D3DSIO_SINCOS:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "sincos( " ); // gonna have to write this one
+			break;
+		case D3DSIO_REP:
+		case D3DSIO_ENDREP:
+		case D3DSIO_IF:
+		case D3DSIO_IFC:
+		case D3DSIO_ELSE:
+		case D3DSIO_ENDIF:
+		case D3DSIO_BREAK:
+		case D3DSIO_BREAKC:		// TODO: these are the reason we even need GLSL...gotta make these work
+			TranslationError();
+			break;
+		case D3DSIO_DEFB:
+		case D3DSIO_DEFI:
+			TranslationError();
+			break;
+		case D3DSIO_TEXCOORD:
+			V_snprintf( buff, nBufLen, "texcoord" );
+			break;
+		case D3DSIO_TEXKILL:
+			V_snprintf( buff, nBufLen, "kill( " ); // wrap the discard instruction?
+			break;
+		case D3DSIO_TEX:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "TEX" );		// We shouldn't get here
+			break;
+		case D3DSIO_TEXBEM:
+		case D3DSIO_TEXBEML:
+		case D3DSIO_TEXREG2AR:
+		case D3DSIO_TEXREG2GB:
+		case D3DSIO_TEXM3x2PAD:
+		case D3DSIO_TEXM3x2TEX:
+		case D3DSIO_TEXM3x3PAD:
+		case D3DSIO_TEXM3x3TEX:
+		case D3DSIO_TEXM3x3SPEC:
+		case D3DSIO_TEXM3x3VSPEC:
+			TranslationError();
+			break;
+		case D3DSIO_EXPP:
+			V_snprintf( buff, nBufLen, "exp( " );
+			break;
+		case D3DSIO_LOGP:
+			V_snprintf( buff, nBufLen, "log( " );
+			break;
+		case D3DSIO_CND:
+			TranslationError();
+			break;
+		case D3DSIO_DEF:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "DEF" );
+			break;
+		case D3DSIO_TEXREG2RGB:
+		case D3DSIO_TEXDP3TEX:
+		case D3DSIO_TEXM3x2DEPTH:
+		case D3DSIO_TEXDP3:
+		case D3DSIO_TEXM3x3:
+			TranslationError();
+			break;
+		case D3DSIO_TEXDEPTH:
+			V_snprintf( buff, nBufLen, "texdepth" );
+			break;
+		case D3DSIO_CMP:
+			TranslationError();
+			Assert( !m_bVertexShader );
+			V_snprintf( buff, nBufLen, "CMP" );
+			break;
+		case D3DSIO_BEM:
+			TranslationError();
+			break;
+		case D3DSIO_DP2ADD:
+			TranslationError();
+			break;
+		case D3DSIO_DSX:
+		case D3DSIO_DSY:
+			TranslationError();
+			break;
+		case D3DSIO_TEXLDD:
+			V_snprintf( buff, nBufLen, "texldd" );
+			break;
+		case D3DSIO_SETP:
+			TranslationError();
+			break;
+		case D3DSIO_TEXLDL:
+			V_snprintf( buff, nBufLen, "texldl" );
+			break;
+		case D3DSIO_BREAKP:
+		case D3DSIO_PHASE:
+			TranslationError();
+			break;
+	}
+	
+	return bDoubleClose;
+}
+
+
+const char* D3DToGL::GetGLSLOperatorString( uint32 inst )
+{
+	if ( inst == D3DSIO_ADD )
+		return "+";
+	else if ( inst == D3DSIO_SUB )
+		return "-";
+	else if ( inst == D3DSIO_MUL )
+		return "*";
+	
+	Error( "GetGLSLOperatorString: unknown operator" );
+	return "zzzz";
+}
+
+
+// Print ASM opcode
+void D3DToGL::PrintOpcode( uint32 inst, char* buff, int nBufLen )
+{
+	switch ( inst )
+	{
+		case D3DSIO_NOP:
+			V_snprintf( buff, nBufLen, "NOP" );
+			TranslationError();
+			break;
+		case D3DSIO_MOV:
+			V_snprintf( buff, nBufLen, "MOV" );
+			break;
+		case D3DSIO_ADD:
+			V_snprintf( buff, nBufLen, "ADD" );
+			break;
+		case D3DSIO_SUB:
+			V_snprintf( buff, nBufLen, "SUB" );
+			break;
+		case D3DSIO_MAD:
+			V_snprintf( buff, nBufLen, "MAD" );
+			break;
+		case D3DSIO_MUL:
+			V_snprintf( buff, nBufLen, "MUL" );
+			break;
+		case D3DSIO_RCP:
+			V_snprintf( buff, nBufLen, "RCP" );
+			break;
+		case D3DSIO_RSQ:
+			V_snprintf( buff, nBufLen, "RSQ" );
+			break;
+		case D3DSIO_DP3:
+			V_snprintf( buff, nBufLen, "DP3" );
+			break;
+		case D3DSIO_DP4:
+			V_snprintf( buff, nBufLen, "DP4" );
+			break;
+		case D3DSIO_MIN:
+			V_snprintf( buff, nBufLen, "MIN" );
+			break;
+		case D3DSIO_MAX:
+			V_snprintf( buff, nBufLen, "MAX" );
+			break;
+		case D3DSIO_SLT:
+			V_snprintf( buff, nBufLen, "SLT" );
+			break;
+		case D3DSIO_SGE:
+			V_snprintf( buff, nBufLen, "SGE" );
+			break;
+		case D3DSIO_EXP:
+			V_snprintf( buff, nBufLen, "EX2" );
+			break;
+		case D3DSIO_LOG:
+			V_snprintf( buff, nBufLen, "LG2" );
+			break;
+		case D3DSIO_LIT:
+			V_snprintf( buff, nBufLen, "LIT" );
+			break;
+		case D3DSIO_DST:
+			V_snprintf( buff, nBufLen, "DST" );
+			break;
+		case D3DSIO_LRP:
+			Assert( !m_bVertexShader );
+			V_snprintf( buff, nBufLen, "LRP" );
+			break;
+		case D3DSIO_FRC:
+			V_snprintf( buff, nBufLen, "FRC" );
+			break;
+		case D3DSIO_M4x4:
+			V_snprintf( buff, nBufLen, "m4x4" );
+			break;
+		case D3DSIO_M4x3:
+		case D3DSIO_M3x4:
+		case D3DSIO_M3x3:
+		case D3DSIO_M3x2:
+		case D3DSIO_CALL:
+		case D3DSIO_CALLNZ:
+		case D3DSIO_LOOP:
+		case D3DSIO_RET:
+		case D3DSIO_ENDLOOP:
+		case D3DSIO_LABEL:
+			TranslationError();
+			break;
+		case D3DSIO_DCL:
+			V_snprintf( buff, nBufLen, "DCL" );
+			break;
+		case D3DSIO_POW:
+			V_snprintf( buff, nBufLen, "POW" );
+			break;
+		case D3DSIO_CRS:
+			V_snprintf( buff, nBufLen, "XPD" );
+			break;
+		case D3DSIO_SGN:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "SGN" );
+			break;
+		case D3DSIO_ABS:
+			V_snprintf( buff, nBufLen, "ABS" );
+			break;
+		case D3DSIO_NRM:
+			TranslationError();
+			V_snprintf( buff, nBufLen, "NRM" );
+			break;
+		case D3DSIO_SINCOS:
+			Assert( !m_bVertexShader );
+			V_snprintf( buff, nBufLen, "SCS" );
+			break;
+		case D3DSIO_REP:
+		case D3DSIO_ENDREP:
+		case D3DSIO_IF:
+		case D3DSIO_IFC:
+		case D3DSIO_ELSE:
+		case D3DSIO_ENDIF:
+		case D3DSIO_BREAK:
+		case D3DSIO_BREAKC:
+			TranslationError();
+			break;
+		case D3DSIO_MOVA:
+			Assert( m_bVertexShader );
+			V_snprintf( buff, nBufLen, "MOV" ); // We're always moving into a temp instead, so this is MOV instead of ARL
+			break;
+		case D3DSIO_DEFB:
+		case D3DSIO_DEFI:
+			TranslationError();
+			break;
+		case D3DSIO_TEXCOORD:
+			V_snprintf( buff, nBufLen, "texcoord" );
+			break;
+		case D3DSIO_TEXKILL:
+			V_snprintf( buff, nBufLen, "KIL" );
+			break;
+		case D3DSIO_TEX:
+			V_snprintf( buff, nBufLen, "TEX" );
+			break;
+		case D3DSIO_TEXBEM:
+		case D3DSIO_TEXBEML:
+		case D3DSIO_TEXREG2AR:
+		case D3DSIO_TEXREG2GB:
+		case D3DSIO_TEXM3x2PAD:
+		case D3DSIO_TEXM3x2TEX:
+		case D3DSIO_TEXM3x3PAD:
+		case D3DSIO_TEXM3x3TEX:
+		case D3DSIO_TEXM3x3SPEC:
+		case D3DSIO_TEXM3x3VSPEC:
+			TranslationError();
+			break;
+		case D3DSIO_EXPP:
+			V_snprintf( buff, nBufLen, "EXP" );
+			break;
+		case D3DSIO_LOGP:
+			V_snprintf( buff, nBufLen, "LOG" );
+			break;
+		case D3DSIO_CND:
+			TranslationError();
+			break;
+		case D3DSIO_DEF:
+			V_snprintf( buff, nBufLen, "DEF" );
+			break;
+		case D3DSIO_TEXREG2RGB:
+		case D3DSIO_TEXDP3TEX:
+		case D3DSIO_TEXM3x2DEPTH:
+		case D3DSIO_TEXDP3:
+		case D3DSIO_TEXM3x3:
+			TranslationError();
+			break;
+		case D3DSIO_TEXDEPTH:
+			V_snprintf( buff, nBufLen, "texdepth" );
+			break;
+		case D3DSIO_CMP:
+			Assert( !m_bVertexShader );
+			V_snprintf( buff, nBufLen, "CMP" );
+			break;
+		case D3DSIO_BEM:
+			TranslationError();
+			break;
+		case D3DSIO_DP2ADD:
+			TranslationError();
+			break;
+		case D3DSIO_DSX:
+		case D3DSIO_DSY:
+			TranslationError();
+			break;
+		case D3DSIO_TEXLDD:
+			V_snprintf( buff, nBufLen, "texldd" );
+			break;
+		case D3DSIO_SETP:
+			TranslationError();
+			break;
+		case D3DSIO_TEXLDL:
+			V_snprintf( buff, nBufLen, "texldl" );
+			break;
+		case D3DSIO_BREAKP:
+		case D3DSIO_PHASE:
+			TranslationError();
+			break;
+	}
+}
+
+CUtlString D3DToGL::GetUsageAndIndexString( uint32 dwToken, int fSemanticFlags )
+{
+	char szTemp[1024];
+	PrintUsageAndIndexToString( dwToken, szTemp, sizeof( szTemp ), fSemanticFlags );
+	return szTemp;
+}
+
+//------------------------------------------------------------------------------
+// Helper function which prints ASCII representation of usage-usageindex pair to string
+//
+// Strictly used by vertex shaders
+// not used any more now that we have attribmap metadata
+//------------------------------------------------------------------------------
+void D3DToGL::PrintUsageAndIndexToString( uint32 dwToken, char* strUsageUsageIndexName, int nBufLen, int fSemanticFlags )
+{
+	uint32 dwUsage = ( dwToken & D3DSP_DCL_USAGE_MASK );
+	uint32 dwUsageIndex = ( dwToken & D3DSP_DCL_USAGEINDEX_MASK ) >> D3DSP_DCL_USAGEINDEX_SHIFT;
+
+	switch ( dwUsage )
+	{
+		case D3DDECLUSAGE_POSITION:
+			if ( m_bVertexShader )
+			{
+				if ( fSemanticFlags & SEMANTIC_OUTPUT )
+					V_snprintf( strUsageUsageIndexName, nBufLen, "vTempPos" ); // effectively gl_Position
+				else
+					V_snprintf( strUsageUsageIndexName, nBufLen, "gl_Vertex" );
+			}
+			else
+			{
+				// .xy = position in viewport coordinates
+				// .z  = depth
+				V_snprintf( strUsageUsageIndexName, nBufLen, "gl_FragCoord" );
+			}
+			
+			break;
+		case D3DDECLUSAGE_BLENDWEIGHT:
+			V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[1]" );	// "vertex.attrib[12]" );			// or [1]
+			break;
+		case D3DDECLUSAGE_BLENDINDICES:
+			V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[13]" );	// "vertex.attrib[13]" );			// or [ 7 ]
+			break;
+		case D3DDECLUSAGE_NORMAL:
+			V_snprintf( strUsageUsageIndexName, nBufLen, "vec4( gl_Normal, 0.0 )" );
+			break;
+		case D3DDECLUSAGE_PSIZE:
+			TranslationError();
+			V_snprintf( strUsageUsageIndexName, nBufLen, "_psize" );					// no analog
+			break;
+		case D3DDECLUSAGE_TEXCOORD:
+			V_snprintf( strUsageUsageIndexName, nBufLen, "oT%d", dwUsageIndex );
+			break;
+		case D3DDECLUSAGE_TANGENT:
+			
+			NoteTangentInputUsed();
+			V_strncpy( strUsageUsageIndexName, g_pTangentAttributeName, nBufLen );
+			
+			break;
+		case D3DDECLUSAGE_BINORMAL:
+			V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[14]" );			// aka texc[6]
+			break;
+//		case D3DDECLUSAGE_TESSFACTOR:
+//			TranslationError();
+//			V_snprintf( strUsageUsageIndexName, nBufLen, "_position" );					// no analog
+//			break;
+//		case D3DDECLUSAGE_POSITIONT:
+//			TranslationError();
+//			V_snprintf( strUsageUsageIndexName, nBufLen, "_positiont" );				// no analog
+//			break;
+		case D3DDECLUSAGE_COLOR:
+			
+			Assert( dwUsageIndex <= 1 );
+//			if ( fSemanticFlags & SEMANTIC_OUTPUT )
+//				V_snprintf( strUsageUsageIndexName, nBufLen, dwUsageIndex != 0 ? "gl_BackColor" : "gl_FrontColor" );
+//			else
+			V_snprintf( strUsageUsageIndexName, nBufLen, dwUsageIndex != 0 ? "gl_SecondaryColor" : "gl_Color" );
+			
+			break;
+		case D3DDECLUSAGE_FOG:
+			TranslationError();
+			break;
+		case D3DDECLUSAGE_DEPTH:
+			TranslationError();
+			V_snprintf( strUsageUsageIndexName, nBufLen, "_depth" );					// no analog
+			break;
+		case D3DDECLUSAGE_SAMPLE:
+			TranslationError();
+			V_snprintf( strUsageUsageIndexName, nBufLen, "_sample" );					// no analog
+			break;
+		default:
+			Debugger();
+		break;
+	}
+}
+
+uint32 D3DToGL::GetRegType( uint32 dwRegToken )
+{
+	return ( ( dwRegToken & D3DSP_REGTYPE_MASK2 ) >> D3DSP_REGTYPE_SHIFT2 ) | ( ( dwRegToken & D3DSP_REGTYPE_MASK ) >> D3DSP_REGTYPE_SHIFT );
+}
+
+void D3DToGL::PrintIndentation( char *pBuf, int nBufLen )
+{
+	for( int i=0; i<m_NumIndentTabs; i++ )
+	{
+		strcat_s( pBuf, nBufLen, "\t" );
+	}
+}
+
+CUtlString D3DToGL::GetParameterString( uint32 dwToken, uint32 dwSourceOrDest, bool bForceScalarSource, int *pARLDestReg )
+{
+	char szTemp[1024];
+	PrintParameterToString( dwToken, dwSourceOrDest, szTemp, sizeof( szTemp ), bForceScalarSource, pARLDestReg );
+	return szTemp;
+}
+
+
+// If the register happens to end with ".xyzw", then this strips off the mask.
+void SimplifyFourParamRegister( char *pRegister )
+{
+	int nLen = V_strlen( pRegister );
+	if ( nLen > 5 && V_strcmp( &pRegister[nLen-5], ".xyzw" ) == 0 )
+		pRegister[nLen-5] = 0;
+}
+
+
+// This returns 0 for x, 1 for y, 2 for z, and 3 for w.
+int GetSwizzleComponentVectorIndex( char chMask )
+{
+	if ( chMask == 'x' )
+		return 0;
+	else if ( chMask == 'y' )
+		return 1;
+	else if ( chMask == 'z' )
+		return 2;
+	else if ( chMask == 'w' )
+		return 3;
+
+	Error( "GetSwizzleComponentVectorIndex( '%c' ) - invalid parameter.\n", chMask );
+	return 0;
+}
+
+
+// GLSL needs the # of src masks to match the dest write mask.
+//
+// So this:
+//		r0.xy = r1 + r2;
+// becomes:
+//		r0.xy = r1.xy + r2.xy;
+//
+//
+// Also, and this is the trickier one: GLSL reads the source registers from their first component on
+// whereas D3D reads them as referenced in the dest register mask!
+//
+//		So this code in D3D:
+//			r0.yz = c0.x + c1.wxyz
+//		Really means:
+//			r0.y = c0.x + c1.x
+//			r0.z = c0.x + c1.y
+//		So we translate it to this in GLSL:
+//			r0.yz = c0.xx + c1.wx
+//			r0.yz = c0.xx + c1.xy
+//
+CUtlString D3DToGL::FixGLSLSwizzle( const char *pDestRegisterName, const char *pSrcRegisterName )
+{
+	bool bAbsWrapper = false; // Parameter wrapped in an abs()
+	bool bAbsNegative = false; // -abs()
+	char szSrcRegister[128];
+	V_strncpy( szSrcRegister, pSrcRegisterName, sizeof(szSrcRegister) );
+
+	// Check for abs() or -abs() wrapper and strip it off during the fixup
+	if ( !V_strncmp( pSrcRegisterName, "abs(", 4 ) || !V_strncmp( pSrcRegisterName, "-abs(", 5 ) )
+	{
+		bAbsWrapper = true;
+		bAbsNegative = pSrcRegisterName[0] == '-';
+
+		const char *pOpenParen = strchr( pSrcRegisterName, '(' );		// FIRST opening paren
+		const char *pClosingParen = strrchr( pSrcRegisterName, ')' ); // LAST closing paren
+
+		Assert ( pOpenParen && pClosingParen );	// If we start with abs( and don't get both parens, something is very wrong
+
+		// Copy out just the register name with no abs()
+		int nRegNameLength = pClosingParen - pOpenParen - 1;
+		V_strncpy( szSrcRegister, pOpenParen+1, nRegNameLength + 1 ); // Kind of a weird function...copy more than you need and slam the last char to NULL-terminate
+
+	}
+	
+	int nSwizzlesInDest = GetNumSwizzleComponents( pDestRegisterName );
+	if ( nSwizzlesInDest == 0 )
+		nSwizzlesInDest = 4;
+
+	char szFixedSrcRegister[128];
+	GetParamNameWithoutSwizzle( szSrcRegister, szFixedSrcRegister, sizeof( szFixedSrcRegister ) );
+	V_strncat( szFixedSrcRegister, ".", sizeof( szFixedSrcRegister ) );
+	for ( int i=0; i < nSwizzlesInDest; i++ )
+	{
+		char chDestWriteMask = GetSwizzleComponent( pDestRegisterName, i );
+		int nVectorIndex = GetSwizzleComponentVectorIndex( chDestWriteMask );
+
+		char ch[2];
+		ch[0] = GetSwizzleComponent( szSrcRegister, nVectorIndex );
+		ch[1] = 0;
+		V_strncat( szFixedSrcRegister, ch, sizeof( szFixedSrcRegister ) );
+	}
+
+	SimplifyFourParamRegister( szFixedSrcRegister );
+
+	if ( bAbsWrapper )
+	{
+		char szTempSrcRegister[128];
+		V_strncpy( szTempSrcRegister, szFixedSrcRegister, sizeof(szTempSrcRegister) );
+		V_snprintf( szFixedSrcRegister, sizeof( szFixedSrcRegister ), "%sabs(%s)", bAbsNegative ? "-" : "", szTempSrcRegister ) ;
+	}
+
+	return szFixedSrcRegister;
+}
+
+// Weird encoding...bits are split apart in the dwToken
+inline uint32 GetRegTypeFromToken( uint32 dwToken )
+{
+	return ( ( dwToken & D3DSP_REGTYPE_MASK2 ) >> D3DSP_REGTYPE_SHIFT2 ) | ( ( dwToken & D3DSP_REGTYPE_MASK ) >> D3DSP_REGTYPE_SHIFT );
+}
+
+void D3DToGL::FlagIndirectRegister( uint32 dwToken, int *pARLDestReg )
+{
+	if ( !pARLDestReg )
+		return;
+
+	switch ( dwToken & D3DVS_SWIZZLE_MASK & D3DVS_X_W )
+	{
+		case D3DVS_X_X:
+			*pARLDestReg = ARL_DEST_X;
+			break;
+		case D3DVS_X_Y:
+			*pARLDestReg = ARL_DEST_Y;
+			break;
+		case D3DVS_X_Z:
+			*pARLDestReg = ARL_DEST_Z;
+			break;
+		case D3DVS_X_W:
+			*pARLDestReg = ARL_DEST_W;
+			break;
+	}
+}
+
+
+//------------------------------------------------------------------------------
+// PrintParameterToString()
+//
+// Helper function which prints ASCII representation of passed Parameter dwToken
+// to string. Token defines parameter details. The dwSourceOrDest parameter says 
+// whether or not this is a source or destination register
+//------------------------------------------------------------------------------
+void D3DToGL::PrintParameterToString ( uint32 dwToken, uint32 dwSourceOrDest, char *pRegisterName, int nBufLen, bool bForceScalarSource, int *pARLDestReg )
+{
+	char buff[32];
+	bool bAllowWriteMask = true;
+	bool bAllowSwizzle = true;
+
+	uint32 dwRegNum = dwToken & D3DSP_REGNUM_MASK;
+
+	uint32 dwRegType, dwSwizzle;
+	uint32 dwSrcModifier = D3DSPSM_NONE;
+
+	// Clear string to zero length
+	pRegisterName[ 0 ] = 0;
+
+	dwRegType = GetRegTypeFromToken( dwToken );
+
+	// If this is a dest register
+	if ( dwSourceOrDest == DST_REGISTER )
+	{
+		// Instruction modifiers
+		if ( dwToken & D3DSPDM_PARTIALPRECISION )
+		{
+//			strcat_s( pRegisterName, nBufLen, "_pp" );
+		}
+				
+		if ( dwToken & D3DSPDM_MSAMPCENTROID)
+		{
+//			strcat_s( pRegisterName, nBufLen, "_centroid" );
+		}
+	}
+
+	// If this is a source register
+	if ( dwSourceOrDest == SRC_REGISTER )
+	{
+		dwSrcModifier = dwToken & D3DSP_SRCMOD_MASK;
+
+		// If there are any source modifiers, check to see if they're at
+		// least partially "prefix" and prepend appropriately
+		if ( dwSrcModifier != D3DSPSM_NONE )
+		{
+			switch ( dwSrcModifier )
+			{
+				// These four start with just minus... (some may result in "postfix" notation as well later on)
+				case D3DSPSM_NEG:							 // negate
+					strcat_s( pRegisterName, nBufLen, "-" );
+					break;
+				case D3DSPSM_BIASNEG:						// bias and negate
+				case D3DSPSM_SIGNNEG:						// sign and negate
+				case D3DSPSM_X2NEG:						  // *2 and negate
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "-" );
+					break;
+				case D3DSPSM_COMP:							// complement
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "1-" );
+					break;
+				case D3DSPSM_ABS:							 // abs()
+					strcat_s( pRegisterName, nBufLen, "abs(" );
+					
+					break;
+				case D3DSPSM_ABSNEG:						 // -abs()
+					strcat_s( pRegisterName, nBufLen, "-abs(" );
+					
+					break;
+				case D3DSPSM_NOT:							 // for predicate register: "!p0"
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "!" );
+					break;
+			}
+		}
+	}
+
+	// Register name (from type and number)
+	switch ( dwRegType )
+	{
+		case D3DSPR_TEMP:
+			V_snprintf( buff, sizeof( buff ), "r%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			m_dwTempUsageMask |= 0x00000001 << dwRegNum;			// Keep track of the use of this temp
+			break;
+		case D3DSPR_INPUT:
+			if ( !m_bVertexShader && ( dwSourceOrDest == SRC_REGISTER ) )
+			{
+				if ( m_dwMajorVersion == 3 )
+				{
+					V_snprintf( buff, sizeof( buff ), "oTempT%d", dwRegNum );
+				}
+				else
+				{
+					V_snprintf( buff, sizeof( buff ), dwRegNum == 0 ? "gl_Color" : "gl_SecondaryColor" );
+				}
+				strcat_s( pRegisterName, nBufLen, buff );				
+			}
+			else 
+			{
+				V_snprintf( buff, sizeof( buff ), "v%d", dwRegNum );
+				strcat_s( pRegisterName, nBufLen, buff );
+			}
+			break;
+		case D3DSPR_CONST:
+			if ( m_bConstantRegisterDefined[dwRegNum] )
+			{
+				char szConstantRegName[3];
+				if ( m_bVertexShader )
+				{
+					V_snprintf( szConstantRegName, 3, "vd" );
+				}
+				else
+				{
+					V_snprintf( szConstantRegName, 3, "pd" );
+				}
+
+				// Put defined constants into their own namespace "d"
+				V_snprintf( buff, sizeof( buff ), "%s%d", szConstantRegName, dwRegNum );
+				strcat_s( pRegisterName, nBufLen, buff );
+			}
+			else if ( dwToken & D3DSHADER_ADDRESSMODE_MASK )  // Indirect addressing (e.g. skinning in a vertex shader)
+			{
+				char szConstantRegName[16];
+				if ( m_bVertexShader )
+				{
+					V_snprintf( szConstantRegName, 3, "vc" );
+				}
+				else  // No indirect addressing in PS, this shouldn't happen
+				{
+					TranslationError();
+					V_snprintf( szConstantRegName, 3, "pc" );
+				}
+								
+				if ( ( m_bGenerateBoneUniformBuffer ) && ( dwRegNum >= DXABSTRACT_VS_FIRST_BONE_SLOT ) )
+				{
+					if( dwRegNum < DXABSTRACT_VS_LAST_BONE_SLOT )
+					{
+						dwRegNum -= DXABSTRACT_VS_FIRST_BONE_SLOT;
+						V_strcpy( szConstantRegName, "vcbones" );
+
+						m_nHighestBoneRegister = ( DXABSTRACT_VS_PARAM_SLOTS - 1 ) - DXABSTRACT_VS_FIRST_BONE_SLOT;
+					}
+					else
+					{
+						dwRegNum -= ( DXABSTRACT_VS_LAST_BONE_SLOT + 1 ) - DXABSTRACT_VS_FIRST_BONE_SLOT;
+						m_nHighestRegister = m_bGenerateBoneUniformBuffer ? ( ( DXABSTRACT_VS_PARAM_SLOTS - 1 ) - ( ( DXABSTRACT_VS_LAST_BONE_SLOT + 1 ) -  DXABSTRACT_VS_FIRST_BONE_SLOT )  ): ( DXABSTRACT_VS_PARAM_SLOTS - 1 );
+					}
+				}
+				else
+				{
+					m_nHighestRegister = m_bGenerateBoneUniformBuffer ? ( ( DXABSTRACT_VS_PARAM_SLOTS - 1 ) - ( ( DXABSTRACT_VS_LAST_BONE_SLOT + 1 ) -  DXABSTRACT_VS_FIRST_BONE_SLOT )  ): ( DXABSTRACT_VS_PARAM_SLOTS - 1 );
+				}
+
+				// Index into single pc/vc[] register array with relative addressing
+				int nDstReg = -1;
+				FlagIndirectRegister( GetNextToken(), &nDstReg );
+				if ( pARLDestReg ) 
+					*pARLDestReg = nDstReg;
+
+				Assert( nDstReg != ARL_DEST_NONE );
+				int nSrcSwizzle = 'x';
+				if ( nDstReg == ARL_DEST_Y )
+					nSrcSwizzle = 'y';
+				else if ( nDstReg == ARL_DEST_Z )
+					nSrcSwizzle = 'z';
+				else if ( nDstReg == ARL_DEST_W )
+					nSrcSwizzle = 'w';
+				V_snprintf( buff, sizeof( buff ), "%s[int(va_r.%c) + %d]", szConstantRegName, nSrcSwizzle, dwRegNum );
+								
+				strcat_s( pRegisterName, nBufLen, buff );
+				
+				// Must allow swizzling, otherwise this example doesn't compile right: mad r3.xyz, c27[a0.w].w, r3, r7
+				//bAllowSwizzle = false;
+			}
+			else // Direct addressing of constant array
+			{
+				char szConstantRegName[16];
+				V_snprintf( szConstantRegName, 3, m_bVertexShader ? "vc" : "pc" );
+
+				if ( ( m_bGenerateBoneUniformBuffer ) && ( dwRegNum >= DXABSTRACT_VS_FIRST_BONE_SLOT ) )
+				{
+					if( dwRegNum < DXABSTRACT_VS_LAST_BONE_SLOT )
+					{
+						dwRegNum -= DXABSTRACT_VS_FIRST_BONE_SLOT;
+						V_strcpy( szConstantRegName, "vcbones" );
+
+						m_nHighestBoneRegister = MAX( m_nHighestBoneRegister, (int)dwRegNum );
+					}
+					else
+					{
+						// handles case where constants after the bones are used (c217 onwards), these are to be concatenated with those before the bones (c0-c57) 
+						// keep track of regnum for concatenated array
+						dwRegNum -= ( DXABSTRACT_VS_LAST_BONE_SLOT + 1 ) - DXABSTRACT_VS_FIRST_BONE_SLOT;
+						m_nHighestRegister = MAX( m_nHighestRegister, dwRegNum );	
+					}
+				}
+				else
+				{
+					//// NOGO if (dwRegNum != 255)	// have seen cases where dwRegNum is 0xFF... need to figure out where those opcodes are coming from
+					{
+						m_nHighestRegister = MAX( m_nHighestRegister, dwRegNum );	
+					}
+
+					Assert( m_nHighestRegister < DXABSTRACT_VS_PARAM_SLOTS );
+				}
+
+				// Index into single pc/vc[] register array with absolute addressing, same for GLSL and ASM
+				V_snprintf( buff, sizeof( buff ), "%s[%d]", szConstantRegName, dwRegNum );
+				strcat_s( pRegisterName, nBufLen, buff );
+			}
+			break;
+		case D3DSPR_ADDR: // aliases to D3DSPR_TEXTURE
+			if ( m_bVertexShader )
+			{
+				Assert( dwRegNum == 0 );
+
+				V_snprintf( buff, sizeof( buff ), "va_r" );
+			}
+			else // D3DSPR_TEXTURE in the pixel shader
+			{
+				// If dest reg, this is an iterator/varying declaration
+				if ( dwSourceOrDest == DST_REGISTER )
+				{
+					// Is this iterator centroid?
+					if ( m_nCentroidMask & ( 0x00000001 << dwRegNum ) )
+					{
+						V_snprintf( buff, sizeof( buff ), "centroid varying vec4 oT%d", dwRegNum ); // centroid varying
+					}
+					else
+					{
+						V_snprintf( buff, sizeof( buff ), "varying vec4 oT%d", dwRegNum );
+					}
+					
+					bAllowWriteMask = false;
+				}
+				else // source register
+				{
+					V_snprintf( buff, sizeof( buff ), "oT%d", dwRegNum );
+				}
+			}
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_RASTOUT: // vertex shader oPos
+			Assert( m_bVertexShader );
+			Assert( m_dwMajorVersion == 2 );
+			switch( dwRegNum )
+			{
+				case D3DSRO_POSITION:
+					strcat_s( pRegisterName, nBufLen, "vTempPos" ); // In GLSL, this ends up in gl_Position later on
+					m_bDeclareVSOPos = true;
+				break;
+				
+				case D3DSRO_FOG:
+					strcat_s( pRegisterName, nBufLen, "gl_FogFragCoord" );
+					m_bDeclareVSOFog = true;
+				break;
+
+				default:
+					printf( "\nD3DSPR_RASTOUT: dwRegNum is %08x and token is %08x", dwRegNum, dwToken );  
+					TranslationError();
+				break;
+			}
+			break;
+		case D3DSPR_ATTROUT:
+			Assert( m_bVertexShader );
+			Assert( m_dwMajorVersion == 2 );
+
+			if ( dwRegNum == 0 )
+			{
+				V_snprintf( buff, sizeof( buff ), "gl_FrontColor" );
+			}
+			else if ( dwRegNum == 1 )
+			{
+				V_snprintf( buff, sizeof( buff ), "gl_FrontSecondaryColor" );
+			}
+			else
+			{
+				Error( "Invalid D3DSPR_ATTROUT index" );
+			}
+			
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_TEXCRDOUT: // aliases to D3DSPR_OUTPUT
+			if ( m_bVertexShader )
+			{
+				if ( m_nVSPositionOutput == (int32) dwRegNum )
+				{
+					V_snprintf( buff, sizeof( buff ), "vTempPos" ); // This output varying is the position
+				}
+				else if ( m_dwMajorVersion == 3 )
+				{
+					V_snprintf( buff, sizeof( buff ), "oTempT%d", dwRegNum );
+				}
+				else
+				{
+					V_snprintf( buff, sizeof( buff ), "oT%d", dwRegNum );
+				}
+				
+				m_dwTexCoordOutMask |= ( 0x00000001 << dwRegNum );
+			}
+			else
+			{
+				V_snprintf( buff, sizeof( buff ), "oC%d", dwRegNum );
+			}
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_CONSTINT:
+			V_snprintf( buff, sizeof( buff ), "i%d", dwRegNum );	// Loops use these
+			strcat_s( pRegisterName, nBufLen, buff );
+			m_dwConstIntUsageMask |= 0x00000001 << dwRegNum;		// Keep track of the use of this integer constant
+			break;
+		case D3DSPR_COLOROUT:
+			V_snprintf( buff, sizeof( buff ), "gl_FragData[%d]", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			m_bOutputColorRegister[dwRegNum] = true;
+			break;
+		case D3DSPR_DEPTHOUT:
+			V_snprintf( buff, sizeof( buff ), "gl_FragDepth" );
+			strcat_s( pRegisterName, nBufLen, buff );
+			m_bOutputDepthRegister = true;
+			break;
+		case D3DSPR_SAMPLER:
+			V_snprintf( buff, sizeof( buff ), "sampler%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_CONST2:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "c%d", dwRegNum+2048);
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_CONST3:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "c%d", dwRegNum+4096);
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_CONST4:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "c%d", dwRegNum+6144);
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_CONSTBOOL:
+			V_snprintf( buff, sizeof( buff ), m_bVertexShader ? "b%d" : "fb%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			m_dwConstBoolUsageMask |= 0x00000001 << dwRegNum;		// Keep track of the use of this bool constant
+			break;
+		case D3DSPR_LOOP:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "aL%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_TEMPFLOAT16:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "temp_float16_xxx%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_MISCTYPE:
+			Assert( dwRegNum == 0 ); // So far, we know that MISC[0] is gl_FragCoord (aka vPos in DX ASM parlance), but we don't know about any other MISC registers
+			V_snprintf( buff, sizeof( buff ), "gl_FragCoord" );
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_LABEL:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "label%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+		case D3DSPR_PREDICATE:
+			TranslationError();
+			V_snprintf( buff, sizeof( buff ), "p%d", dwRegNum );
+			strcat_s( pRegisterName, nBufLen, buff );
+			break;
+	}
+
+	// If this is a dest register
+	if ( dwSourceOrDest == DST_REGISTER )
+	{
+		//
+		// Write masks
+		//
+		// If some (not all, not none) of the write masks are set, we should include them
+		//
+		if ( bAllowWriteMask && ( !((dwToken & D3DSP_WRITEMASK_ALL) == D3DSP_WRITEMASK_ALL) || ((dwToken & D3DSP_WRITEMASK_ALL) == 0x00000000) ) )
+		{
+			// Put the dot on there
+			strcat_s( pRegisterName, nBufLen, "." );
+
+			// Optionally put on the x, y, z or w
+			int nMasksWritten = 0;
+			if ( dwToken & D3DSP_WRITEMASK_0 )
+			{
+				strcat_s( pRegisterName, nBufLen, "x" );
+				++nMasksWritten;
+			}
+			if ( dwToken & D3DSP_WRITEMASK_1 )
+			{
+				strcat_s( pRegisterName, nBufLen, "y" );
+				++nMasksWritten;
+			}
+			if ( dwToken & D3DSP_WRITEMASK_2 )
+			{
+				strcat_s( pRegisterName, nBufLen, "z" );
+				++nMasksWritten;
+			}
+			if ( dwToken & D3DSP_WRITEMASK_3 )
+			{
+				strcat_s( pRegisterName, nBufLen, "w" );
+				++nMasksWritten;
+			}
+		}
+	}
+	else // must be a source register
+	{
+		if ( bAllowSwizzle ) // relative addressing hard-codes the swizzle on a0.x
+		{
+			uint32 dwXSwizzle, dwYSwizzle, dwZSwizzle, dwWSwizzle;
+
+			// Mask out the swizzle modifier
+			dwSwizzle = dwToken & D3DVS_SWIZZLE_MASK;
+
+			// If there are any swizzles at all, tack on the appropriate notation
+			if ( dwSwizzle != D3DVS_NOSWIZZLE )
+			{
+				// Separate out the two-bit codes for each component swizzle
+				dwXSwizzle = dwSwizzle & D3DVS_X_W;
+				dwYSwizzle = dwSwizzle & D3DVS_Y_W;
+				dwZSwizzle = dwSwizzle & D3DVS_Z_W;
+				dwWSwizzle = dwSwizzle & D3DVS_W_W;
+
+				// Put on the dot
+				strcat_s( pRegisterName, nBufLen, "." );
+
+				// See where X comes from
+				switch ( dwXSwizzle )
+				{
+					case D3DVS_X_X:
+						strcat_s( pRegisterName, nBufLen, "x" );
+						break;
+					case D3DVS_X_Y:
+						strcat_s( pRegisterName, nBufLen, "y" );
+						break;
+					case D3DVS_X_Z:
+						strcat_s( pRegisterName, nBufLen, "z" );
+						break;
+					case D3DVS_X_W:
+						strcat_s( pRegisterName, nBufLen, "w" );
+						break;
+				}
+
+				if ( !bForceScalarSource )
+				{
+					// If the source of the remaining components are aren't
+					// identical to the source of x, continue with swizzle
+					if ( ((dwXSwizzle >> D3DVS_SWIZZLE_SHIFT) != (dwYSwizzle >> (D3DVS_SWIZZLE_SHIFT + 2))) ||	// X and Y sources match?
+					   ((dwXSwizzle >> D3DVS_SWIZZLE_SHIFT) != (dwZSwizzle >> (D3DVS_SWIZZLE_SHIFT + 4))) ||	// X and Z sources match?
+					   ((dwXSwizzle >> D3DVS_SWIZZLE_SHIFT) != (dwWSwizzle >> (D3DVS_SWIZZLE_SHIFT + 6))))	  // X and W sources match?
+					{
+
+						// OpenGL seems to want us to have either 1 or 4 components in a swizzle, so just plow on through the rest
+						switch ( dwYSwizzle )
+						{
+							case D3DVS_Y_X:
+								strcat_s( pRegisterName, nBufLen, "x" );
+								break;
+							case D3DVS_Y_Y:
+								strcat_s( pRegisterName, nBufLen, "y" );
+								break;
+							case D3DVS_Y_Z:
+								strcat_s( pRegisterName, nBufLen, "z" );
+								break;
+							case D3DVS_Y_W:
+								strcat_s( pRegisterName, nBufLen, "w" );
+								break;
+						}
+
+						switch ( dwZSwizzle )
+						{
+							case D3DVS_Z_X:
+								strcat_s( pRegisterName, nBufLen, "x" );
+								break;
+							case D3DVS_Z_Y:
+								strcat_s( pRegisterName, nBufLen, "y" );
+								break;
+							case D3DVS_Z_Z:
+								strcat_s( pRegisterName, nBufLen, "z" );
+								break;
+							case D3DVS_Z_W:
+								strcat_s( pRegisterName, nBufLen, "w" );
+								break;
+						}
+
+						switch ( dwWSwizzle )
+						{
+							case D3DVS_W_X:
+								strcat_s( pRegisterName, nBufLen, "x" );
+								break;
+							case D3DVS_W_Y:
+								strcat_s( pRegisterName, nBufLen, "y" );
+								break;
+							case D3DVS_W_Z:
+								strcat_s( pRegisterName, nBufLen, "z" );
+								break;
+							case D3DVS_W_W:
+								strcat_s( pRegisterName, nBufLen, "w" );
+								break;
+						}
+
+					}
+
+				} // end !bForceScalarSource 
+			}
+			else // dwSwizzle == D3DVS_NOSWIZZLE
+			{
+				// If this is a MOVA / ARL, GL on the Mac requires us to tack the .x onto the source register
+				if ( bForceScalarSource )
+				{
+					strcat_s( pRegisterName, nBufLen, ".x" );
+				}
+			}
+		} // bAllowSwizzle
+
+		// If there are any source modifiers, check to see if they're at
+		// least partially "postfix" and tack them on as appropriate
+		if ( dwSrcModifier != D3DSPSM_NONE )
+		{
+			switch ( dwSrcModifier )
+			{
+				case D3DSPSM_BIAS:							// bias
+				case D3DSPSM_BIASNEG:						// bias and negate
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "_bx2" );
+					break;
+				case D3DSPSM_SIGN:							// sign
+				case D3DSPSM_SIGNNEG:						// sign and negate
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "_sgn" );
+					break;
+				case D3DSPSM_X2:							  // *2
+				case D3DSPSM_X2NEG:						  // *2 and negate
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "_x2" );
+					break;
+				case D3DSPSM_ABS:							 // abs()
+				case D3DSPSM_ABSNEG:						 // -abs()
+					strcat_s( pRegisterName, nBufLen, ")" );
+					break;
+				case D3DSPSM_DZ:							  // divide through by z component
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "_dz" );
+					break;
+				case D3DSPSM_DW:							  // divide through by w component
+					TranslationError();
+					strcat_s( pRegisterName, nBufLen, "_dw" );
+					break;
+			}
+		} // end postfix modifiers (really only ps.1.x)
+	}
+}
+
+void D3DToGL::RecordInputAndOutputPositions()
+{
+	// Remember where we are in the token stream.
+	m_pRecordedInputTokenStart = m_pdwNextToken;
+
+	// Remember where our outputs are.
+	m_nRecordedParamCodeStrlen = V_strlen( (char*)m_pBufParamCode->Base() );
+	m_nRecordedALUCodeStrlen = V_strlen( (char*)m_pBufALUCode->Base() );
+	m_nRecordedAttribCodeStrlen = V_strlen( (char*)m_pBufAttribCode->Base() );
+}
+void D3DToGL::AddTokenHexCodeToBuffer( char *pBuffer, int nSize, int nLastStrlen )
+{
+	int nCurStrlen = V_strlen( pBuffer );
+	if ( nCurStrlen == nLastStrlen )
+		return;
+
+	// Build a string with all the hex codes of the tokens since last time.
+	char szHex[512];
+	szHex[0] = '\n';
+	V_snprintf( &szHex[1], sizeof( szHex )-1, HEXCODE_HEADER );
+	int nTokens = MIN( 10, m_pdwNextToken - m_pRecordedInputTokenStart );
+	for ( int i=0; i < nTokens; i++ )
+	{
+		char szTemp[32];
+		V_snprintf( szTemp, sizeof( szTemp ), "0x%x ", m_pRecordedInputTokenStart[i] );
+		V_strncat( szHex, szTemp, sizeof( szHex ) );
+	}
+	V_strncat( szHex, "\n", sizeof( szHex ) );
+
+	// Insert the hex codes into the string.
+	int nBytesToInsert = V_strlen( szHex );
+	if ( nCurStrlen + nBytesToInsert + 1 >= nSize )
+		Error( "Buffer overflow writing token hex codes" );
+
+	if ( m_bPutHexCodesAfterLines )
+	{
+		// Put it at the end of the last line.
+		if ( pBuffer[nCurStrlen-1] == '\n' )
+			pBuffer[nCurStrlen-1] = 0;
+
+		V_strncat( pBuffer, &szHex[1], nSize );
+	}
+	else
+	{
+		memmove( pBuffer + nLastStrlen + nBytesToInsert, pBuffer + nLastStrlen, nCurStrlen - nLastStrlen + 1 );
+		memcpy( pBuffer + nLastStrlen, szHex, nBytesToInsert );
+	}
+}
+
+void D3DToGL::AddTokenHexCode()
+{
+	if ( m_pdwNextToken > m_pRecordedInputTokenStart )
+	{
+		AddTokenHexCodeToBuffer( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size(), m_nRecordedParamCodeStrlen );
+		AddTokenHexCodeToBuffer( (char*)m_pBufALUCode->Base(), m_pBufALUCode->Size(), m_nRecordedALUCodeStrlen );
+		AddTokenHexCodeToBuffer( (char*)m_pBufAttribCode->Base(), m_pBufAttribCode->Size(), m_nRecordedAttribCodeStrlen );
+	}
+}
+
+uint32 D3DToGL::MaintainAttributeMap( uint32 dwToken, uint32 dwRegToken )
+{
+	// Check that this reg index has not been used before - if it has, let Houston know
+	uint dwRegIndex = dwRegToken & D3DSP_REGNUM_MASK;
+	if ( m_dwAttribMap[ dwRegIndex ] == 0xFFFFFFFF )
+	{
+		// log it
+		// semantic/usage in the higher nibble
+		// usage index in the low nibble
+
+		uint usage		= dwToken & D3DSP_DCL_USAGE_MASK;
+		uint usageindex	= ( dwToken & D3DSP_DCL_USAGEINDEX_MASK ) >> D3DSP_DCL_USAGEINDEX_SHIFT;
+
+		m_dwAttribMap[ dwRegIndex ] = ( usage << 4 ) | usageindex;
+
+		// avoid writing 0xBB since runtime code uses that for an 'unused' marker
+		if ( m_dwAttribMap[ dwRegIndex ] == 0xBB )
+		{
+			Debugger();
+		}
+	}
+	else
+	{
+		//not OK
+		Debugger();
+	}
+
+	return dwRegIndex;
+}
+
+void D3DToGL::Handle_DCL()
+{
+	uint32 dwToken = GetNextToken();		// What kind of dcl is this...
+	uint32 dwRegToken = GetNextToken();		// Look ahead to register token
+
+	uint32 dwUsage = ( dwToken & D3DSP_DCL_USAGE_MASK );
+	uint32 dwUsageIndex = ( dwToken & D3DSP_DCL_USAGEINDEX_MASK ) >> D3DSP_DCL_USAGEINDEX_SHIFT;
+		
+	uint32 dwRegNum = dwRegToken & D3DSP_REGNUM_MASK;
+	uint32 nRegType = GetRegTypeFromToken( dwRegToken );
+
+	if ( m_bVertexShader )
+	{
+		// If this is an output, remember the index (what the ASM code calls o0, o1, o2..) and the semantic.
+		// When GetParameterString( DST_REGISTER ) hits this one, we'll return "oN".
+		// At the end of the main() function, we'll insert a bunch of statements like "gl_Color = o2" based on what we remembered here.
+		if ( ( m_dwMajorVersion >= 3 ) && ( nRegType == D3DSPR_OUTPUT ) )
+		{
+//				uint32 dwRegComponents = ( dwRegToken & D3DSP_WRITEMASK_ALL ) >> 16; // Components used by the output register (1 means float, 3 means vec2, 7 means vec3, f means vec4)
+				
+			if ( dwRegNum >= MAX_DECLARED_OUTPUTS )
+				Error( "Output register number (%d) too high (only %d supported).", dwRegNum, MAX_DECLARED_OUTPUTS );
+
+			if ( m_DeclaredOutputs[dwRegNum] != UNDECLARED_OUTPUT )
+				Error( "Output dcl_ hit for register #%d more than once!", dwRegNum );
+
+			Assert( dwToken != UNDECLARED_OUTPUT );
+			m_DeclaredOutputs[dwRegNum] = dwToken;
+
+			//uint32 dwUsage = ( dwToken & D3DSP_DCL_USAGE_MASK );
+			//uint32 dwUsageIndex = ( dwToken & D3DSP_DCL_USAGEINDEX_MASK ) >> D3DSP_DCL_USAGEINDEX_SHIFT;
+
+			// Flag which o# output register maps to gl_Position
+			if ( dwUsage == D3DDECLUSAGE_POSITION )
+			{
+				m_nVSPositionOutput = dwUsageIndex;
+				m_bDeclareVSOPos = true;
+			}
+
+			if ( m_bAddHexCodeComments )
+			{
+				CUtlString sParam2 = GetUsageAndIndexString( dwToken, SEMANTIC_OUTPUT );
+				PrintToBuf( *m_pBufHeaderCode, "// [GL remembering that oT%d maps to %s]\n", dwRegNum, sParam2.String() );
+			}
+
+		}
+		else if ( GetRegType( dwRegToken ) == D3DSPR_SAMPLER )
+		{
+			// We can support vertex texturing if necessary, but I can't find a use case in any branch. (HW morphing in L4D2 isn't enabled, and the comments indicate that r_hwmorph isn't compatible with mat_queue_mode anyway, and CS:GO/DoTA don't use vertex shader texturing.)
+			TranslationError();
+
+			int nRegNum = dwRegToken & D3DSP_REGNUM_MASK;
+			switch ( TextureType( dwToken ) )
+			{
+			default:
+			case D3DSTT_UNKNOWN:
+			case D3DSTT_2D:
+				m_dwSamplerTypes[nRegNum] = SAMPLER_TYPE_2D;
+				break;
+			case D3DSTT_CUBE:
+				m_dwSamplerTypes[nRegNum] = SAMPLER_TYPE_CUBE;
+				break;
+			case D3DSTT_VOLUME:
+				m_dwSamplerTypes[nRegNum] = SAMPLER_TYPE_3D;
+				break;
+			}
+
+			// Track sampler declarations
+			m_dwSamplerUsageMask |= 1 << nRegNum;
+		}
+		else
+		{
+			Assert( GetRegType( dwRegToken ) == D3DSPR_INPUT);
+
+			CUtlString sParam1 = GetParameterString( dwRegToken, DST_REGISTER, false, NULL );
+			CUtlString sParam2 = GetUsageAndIndexString( dwToken, SEMANTIC_INPUT );
+
+			sParam2 = FixGLSLSwizzle( sParam1, sParam2 );
+			PrintToBuf( *m_pBufHeaderCode, "attribute vec4 %s; // ", sParam1.String() );
+
+			MaintainAttributeMap( dwToken, dwRegToken );
+
+			char temp[128];
+			// regnum goes straight into the vertex.attrib[n] index
+			sprintf( temp, "%08x %08x\n", dwToken, dwRegToken );
+			StrcatToHeaderCode( temp );
+		}
+	}
+	else // Pixel shader
+	{
+		// If the register is a sampler, the dcl has a dimension decorator that we have to save for subsequent TEX instructions
+		uint32 nRegType = GetRegType( dwRegToken );
+		if ( nRegType == D3DSPR_SAMPLER )
+		{
+			int nRegNum = dwRegToken & D3DSP_REGNUM_MASK;
+			switch ( TextureType( dwToken ) )
+			{
+				default:
+				case D3DSTT_UNKNOWN:
+				case D3DSTT_2D:
+					m_dwSamplerTypes[nRegNum] = SAMPLER_TYPE_2D;
+					break;
+				case D3DSTT_CUBE:
+					m_dwSamplerTypes[nRegNum] = SAMPLER_TYPE_CUBE;
+					break;
+				case D3DSTT_VOLUME:
+					m_dwSamplerTypes[nRegNum] = SAMPLER_TYPE_3D;
+					break;
+			}
+			
+			// Track sampler declarations
+			m_dwSamplerUsageMask |= 1 << nRegNum;
+		}
+		else // Not a sampler, we're going to generate varying declaration code
+		{
+			// In pixel shaders we only declare texture coordinate varyings since they may be using centroid
+			if ( ( m_dwMajorVersion == 3 ) && ( nRegType == D3DSPR_INPUT ) )
+			{
+				Assert( m_DeclaredInputs[dwRegNum] == UNDECLARED_INPUT );
+				m_DeclaredInputs[dwRegNum] = dwToken;
+								
+				if ( ( dwUsage != D3DDECLUSAGE_COLOR ) && ( dwUsage != D3DDECLUSAGE_TEXCOORD ) )
+				{
+					TranslationError(); // Not supported yet, but can be if we need it.
+				}
+
+				if ( dwUsage == D3DDECLUSAGE_TEXCOORD )
+				{
+					char buf[256];
+					if ( m_nCentroidMask & ( 0x00000001 << dwUsageIndex ) )
+					{
+						V_snprintf( buf, sizeof( buf ), "centroid varying vec4 oT%d;\n", dwUsageIndex ); // centroid varying
+					}
+					else
+					{
+						V_snprintf( buf, sizeof( buf ), "varying vec4 oT%d;\n", dwUsageIndex );
+					}
+					StrcatToHeaderCode( buf );
+				}
+			}
+			else if ( nRegType == D3DSPR_TEXTURE )
+			{
+				char buff[256];
+				PrintParameterToString( dwRegToken, DST_REGISTER, buff, sizeof( buff ), false, NULL );
+				PrintToBuf( *m_pBufHeaderCode, "%s;\n",buff );
+			}
+			else
+			{
+				// No need to declare anything (probably D3DSPR_MISCTYPE either VPOS or VFACE)
+			}
+		}
+	}
+}
+
+static bool IsFloatNaN( float f )
+{
+	const uint nBits = *reinterpret_cast<uint*>(&f);
+	const uint nExponent = ( nBits >> 23 ) & 0xFF;
+
+	return ( nExponent == 255 );
+}
+
+static inline bool EqualTol( double a, double b, double t )
+{
+	return fabs( a - b ) <= ( ( MAX( fabs( a ), fabs( b ) ) + 1.0 ) * t );
+}
+
+// Originally written by Bruce Dawson, see:
+// See http://randomascii.wordpress.com/2012/03/08/float-precisionfrom-zero-to-100-digits-2/
+// This class represents a very limited high-precision number with 'count' 32-bit
+// unsigned elements.
+template <int count>
+struct HighPrec
+{
+	typedef unsigned T;
+	typedef unsigned long long Product_t;
+	static const int kWordShift = 32;
+	HighPrec()
+	{
+		memset(m_data, 0, sizeof(m_data));
+		m_nLowestNonZeroIndex = ARRAYSIZE(m_data);
+	}
+
+	// Insert the bits from value into m_data, shifted in from the bottom (least
+	// significant end) by the specified number of bits. A shift of zero or less
+	// means that none of the bits will be shifted in. A shift of one means that
+	// the high bit of value will be in the bottom of the last element of m_data -
+	// the least significant bit. A shift of kWordShift means that value will be
+	// in the least significant element of m_data, and so on.
+	void InsertLowBits(T value, int shiftAmount)
+	{
+		if (shiftAmount <= 0)
+			return;
+
+		int subShift = shiftAmount & (kWordShift - 1);
+		int bigShift = shiftAmount / kWordShift;
+		Product_t result = (Product_t)value << subShift;
+		T resultLow = (T)result;
+		T resultHigh = result >> kWordShift;
+
+		// Use an unsigned type so that negative numbers will become large,
+		// which makes the range checking below simpler.
+		unsigned highIndex = ARRAYSIZE(m_data) - 1 - bigShift;
+		// Write the results to the data array. If the index is too large
+		// then that means that the data was shifted off the edge.
+		if ( (highIndex < ARRAYSIZE(m_data)) && ( resultHigh ) )
+		{
+			m_data[highIndex] |= resultHigh;
+			m_nLowestNonZeroIndex = MIN( m_nLowestNonZeroIndex, highIndex );
+		}
+
+		if ( ( highIndex + 1 < ARRAYSIZE(m_data)) && ( resultLow ) )
+		{
+			m_data[highIndex + 1] |= resultLow;
+			m_nLowestNonZeroIndex = MIN( m_nLowestNonZeroIndex, highIndex + 1 );
+		}
+	}
+
+	// Insert the bits from value into m_data, shifted in from the top (most
+	// significant end) by the specified number of bits. A shift of zero or less
+	// means that none of the bits will be shifted in. A shift of one means that
+	// the low bit of value will be in the top of the first element of m_data -
+	// the most significant bit. A shift of kWordShift means that value will be
+	// in the most significant element of m_data, and so on.
+	void InsertTopBits(T value, int shiftAmount)
+	{
+		InsertLowBits(value, (ARRAYSIZE(m_data) + 1) * kWordShift - shiftAmount);
+	}
+
+	// Return true if all elements of m_data are zero.
+	bool IsZero() const
+	{
+		bool bIsZero = ( m_nLowestNonZeroIndex == ARRAYSIZE(m_data) );
+
+#ifdef DEBUG
+		for (int i = 0; i < ARRAYSIZE(m_data); ++i)
+		{
+			if (m_data[i])
+			{
+				Assert( !bIsZero );
+				return false;
+			}
+		}
+		Assert( bIsZero );
+#endif
+
+		return bIsZero;
+	}
+
+	// Divide by div and return the remainder, from 0 to div-1.
+	// Standard long-division algorithm.
+	T DivReturnRemainder(T divisor)
+	{
+		T remainder = 0;
+
+#ifdef DEBUG
+		for (uint j = 0; j < m_nLowestNonZeroIndex; ++j)
+		{
+			Assert( m_data[j] == 0 );
+		}
+#endif
+		
+		int nNewLowestNonZeroIndex = ARRAYSIZE(m_data);
+		for (int i = m_nLowestNonZeroIndex; i < ARRAYSIZE(m_data); ++i)
+		{
+			Product_t dividend = ((Product_t)remainder << kWordShift) + m_data[i];
+			Product_t result = dividend / divisor;
+			remainder = T(dividend % divisor);
+
+			m_data[i] = T(result);
+
+			if ( ( result ) && ( nNewLowestNonZeroIndex == ARRAYSIZE(m_data) ) )
+				nNewLowestNonZeroIndex = i;
+		}
+		m_nLowestNonZeroIndex = nNewLowestNonZeroIndex;
+
+		return remainder;
+	}
+
+	// The individual 'digits' (32-bit unsigned integers actually) that
+	// make up the number. The most-significant digit is in m_data[0].
+	T m_data[count];
+	
+	uint m_nLowestNonZeroIndex;
+};
+
+union Double_t
+{
+	Double_t(double num = 0.0f) : f(num) {}
+	// Portable extraction of components.
+	bool Negative() const { return (i >> 63) != 0; }
+	int64_t RawMantissa() const { return i & ((1LL << 52) - 1); }
+	int64_t RawExponent() const { return (i >> 52) & 0x7FF; }
+
+	int64_t i;
+	double f;
+};
+
+static uint PrintDoubleInt( char *pBuf, uint nBufSize, double f, uint nMinChars )
+{
+	static const char *pDigits = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899";
+
+	Assert( !nMinChars || ( ( nMinChars % 6 ) == 0 ) );
+
+	char *pLastChar = pBuf + nBufSize - 1;
+	char *pDst = pLastChar;
+	*pDst-- = '\0';
+
+	// Put the double in our magic union so we can grab the components.
+	union Double_t num(f);
+
+	// Get the character that represents the sign.
+	// Check for NaNs or infinity.
+	if (num.RawExponent() == 2047)
+	{
+		TranslationError();
+	}
+
+	// Adjust for the exponent bias.
+	int exponentValue = int(num.RawExponent() - 1023);
+	// Add the implied one to the mantissa.
+	uint64_t mantissaValue = (1ll << 52) + num.RawMantissa();
+	// Special-case for denormals - no special exponent value and
+	// no implied one.
+	if (num.RawExponent() == 0)
+	{
+		exponentValue = -1022;
+		mantissaValue = num.RawMantissa();
+	}
+	uint32_t mantissaHigh = mantissaValue >> 32;
+	uint32_t mantissaLow = mantissaValue & 0xFFFFFFFF;
+
+	// The first bit of the mantissa has an implied value of one and this can
+	// be shifted 1023 positions to the left, so that's 1024 bits to the left
+	// of the binary point, or 32 32-bit words for the integer part.
+	HighPrec<32> intPart;
+	// When our exponentValue is zero (a number in the 1.0 to 2.0 range)
+	// we have a 53-bit mantissa and the implied value of the highest bit
+	// is 1. We need to shift 12 bits in from the bottom to get that 53rd bit
+	// into the ones spot in the integral portion.
+	// To complicate it a bit more we have to insert the mantissa as two parts.
+	intPart.InsertLowBits(mantissaHigh, 12 + exponentValue);
+	intPart.InsertLowBits(mantissaLow, 12 + exponentValue - 32);
+
+	bool bAnyDigitsLeft;
+	do
+	{
+		uint remainder = intPart.DivReturnRemainder( 1000000 ); // 10^6
+		uint origRemainer = remainder; (void)origRemainer;
+
+		bAnyDigitsLeft = !intPart.IsZero();
+
+		if ( bAnyDigitsLeft )
+		{
+			uint n = remainder % 100U; remainder /= 100U; *reinterpret_cast<uint16*>(pDst - 1) = reinterpret_cast<const uint16*>(pDigits)[n]; 
+			n = remainder % 100U; remainder /= 100U; *reinterpret_cast<uint16*>(pDst - 1 - 2) = reinterpret_cast<const uint16*>(pDigits)[n]; 
+			Assert( remainder < 100U );
+			*reinterpret_cast<uint16*>(pDst - 1 - 4) = reinterpret_cast<const uint16*>(pDigits)[remainder]; 
+			pDst -= 6;
+		}
+		else
+		{
+			uint n = remainder % 100U; remainder /= 100U; *reinterpret_cast<uint16*>(pDst - 1) = reinterpret_cast<const uint16*>(pDigits)[n]; --pDst; if ( ( n >= 10 ) || ( remainder ) ) --pDst;
+			if ( remainder )
+			{
+				n = remainder % 100U; remainder /= 100U; *reinterpret_cast<uint16*>(pDst - 1) = reinterpret_cast<const uint16*>(pDigits)[n]; --pDst; if ( ( n >= 10 ) || ( remainder ) ) --pDst;
+
+				if ( remainder )
+				{
+					Assert( remainder < 100U );
+					*reinterpret_cast<uint16*>(pDst - 1) = reinterpret_cast<const uint16*>(pDigits)[remainder]; --pDst; if ( remainder >= 10 ) --pDst;
+				}
+			}
+		}
+
+	} while ( bAnyDigitsLeft );
+
+	uint l = pLastChar - pDst;
+	
+	while ( ( l - 1 ) < nMinChars )
+	{
+		*pDst-- = '0';
+		l++;
+	}
+	
+	Assert( (int)l == ( pLastChar - pDst ) );
+
+	Assert( l <= nBufSize );
+			
+	memmove( pBuf, pDst + 1, l );
+	return l - 1;
+}
+
+// FloatToString is equivalent to sprintf( "%.12f" ), but doesn't have any dependencies on the current locale setting.
+// Unfortunately, high accuracy radix conversion is actually pretty tricky to do right. 
+// Most importantly, this function has the same max roundtrip (IEEE->ASCII->IEEE) error as the MS CRT functions and can reliably handle extremely large inputs.
+static void FloatToString( char *pBuf, uint nBufSize, double fConst )
+{
+	char *pEnd = pBuf + nBufSize;
+	char *pDst = pBuf;
+
+	double flVal = fConst;
+	if ( IsFloatNaN( flVal ) )
+	{
+		flVal = 0;
+	}
+
+	if ( flVal < 0.0f )
+	{
+		*pDst++ = '-';
+		flVal = -flVal;
+	}
+
+	double flInt;
+	double flFract = modf( flVal, &flInt );
+
+	flFract = floor( flFract * 1000000000000.0 + .5 );
+
+	if ( !flInt )
+	{
+		*pDst++ = '0';
+	}
+	else
+	{
+		uint l = PrintDoubleInt( pDst, pEnd - pDst, flInt, 0 );
+		pDst += l;
+	}
+
+	*pDst++ = '.';
+	if ( !flFract )
+	{
+		*pDst++ = '0';
+		*pDst++ = '\0';
+	}
+	else
+	{
+		uint l = PrintDoubleInt( pDst, pEnd - pDst, flFract, 12 );
+		pDst += l;
+					
+		StripExtraTrailingZeros( pBuf );	// Turn 1.00000 into 1.0
+	}
+}
+
+#if 0
+#include "vstdlib/random.h"
+static void TestFloatConversion()
+{
+	for ( ; ; )
+	{
+		double fConst;
+		switch ( rand() % 4 )
+		{
+		case 0:
+			fConst = RandomFloat( -1e-30, 1e+30 ); break;
+		case 1:
+			fConst = RandomFloat( -1e-10, 1e+10 ); break;
+		case 2: 
+			fConst = RandomFloat( -1e-5, 1e+5 ); break;
+		default:
+			fConst = RandomFloat( -1, 1 ); break;
+		}
+
+		char szTemp[1024];
+
+		// FloatToString does not rely on V_snprintf(), so it can't be affected by the current locale setting.
+		FloatToString( szTemp, sizeof( szTemp ), fConst );
+
+		static double flMaxErr1;
+		static double flMaxErr2;
+
+		// Compare FloatToString()'s results vs. V_snprintf()'s, also track maximum error of each.
+		double flCheck = atof( szTemp );
+		double flErr = fabs( flCheck - fConst );
+		flMaxErr1 = MAX( flMaxErr1, flErr );
+		Assert( EqualTol( flCheck, fConst, .000000125 ) );
+
+		char szTemp2[256];
+		V_snprintf( szTemp2, sizeof( szTemp2 ), "%.12f", fConst );
+		StripExtraTrailingZeros( szTemp2 );
+
+		if ( !strchr( szTemp2, '.' ) )
+		{
+			V_strncat( szTemp2, ".0", sizeof( szTemp2 ) );
+		}
+		double flCheck2 = atof( szTemp2 );
+		double flErr2 = fabs( flCheck2 - fConst );
+		flMaxErr2 = MAX( flMaxErr2, flErr2 );
+		Assert( EqualTol( flCheck2, fConst, .000000125 ) );
+
+		if ( flMaxErr1 > flMaxErr2 )
+		{
+			GLMDebugPrintf( "!\n" );
+		}
+	}
+}
+#endif
+
+void D3DToGL::Handle_DEFIB( uint32 instruction )
+{
+	Assert( ( instruction == D3DSIO_DEFI ) || ( instruction == D3DSIO_DEFB ) );
+
+	// which register is being defined
+	uint32 dwToken = GetNextToken();
+
+	uint32 nRegNum = dwToken & D3DSP_REGNUM_MASK;
+
+	uint32 regType = GetRegTypeFromToken( dwToken );
+
+
+	if ( regType == D3DSPR_CONSTINT )
+	{
+		m_dwDefConstIntUsageMask |= ( 1 << nRegNum );
+
+		uint x = GetNextToken();
+		uint y = GetNextToken();
+		uint z = GetNextToken();
+		uint w = GetNextToken();
+		NOTE_UNUSED(y); NOTE_UNUSED(z);	NOTE_UNUSED(w);
+
+		Assert( nRegNum < 32 );
+		if ( nRegNum < 32 )
+		{
+			m_dwDefConstIntIterCount[nRegNum] = x;
+		}
+	}
+	else
+	{
+		TranslationError();
+	}
+
+}
+
+void D3DToGL::Handle_DEF()
+{
+	//TestFloatConversion();
+
+	//
+	// JasonM TODO: catch D3D's sincos-specific D3DSINCOSCONST1 and D3DSINCOSCONST2 constants and filter them out here
+	//
+
+	// Which register is being defined
+	uint32 dwToken = GetNextToken();
+
+	// Note that this constant was explicitly defined
+	m_bConstantRegisterDefined[dwToken & D3DSP_REGNUM_MASK] = true;
+	CUtlString sParamName = GetParameterString( dwToken, DST_REGISTER, false, NULL );
+
+	PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+	PrintToBuf( *m_pBufParamCode, "vec4 %s = vec4( ", sParamName.String() );
+
+	// Run through the 4 floats
+	for ( int i=0; i < 4; i++ )
+	{
+		float fConst = uint32ToFloat( GetNextToken() );
+
+		char szTemp[1024];
+
+		FloatToString( szTemp, sizeof( szTemp ), fConst );
+
+#if 0
+		static double flMaxErr1;
+		static double flMaxErr2;
+
+		// Compare FloatToString()'s results vs. V_snprintf()'s, also track maximum error of each.
+		double flCheck = atof( szTemp );
+		double flErr = fabs( flCheck - fConst );
+		flMaxErr1 = MAX( flMaxErr1, flErr );
+		Assert( EqualTol( flCheck, fConst, .000000125 ) );
+
+		char szTemp2[256];
+		V_snprintf( szTemp2, sizeof( szTemp2 ), "%.12f", fConst );
+		StripExtraTrailingZeros( szTemp2 );
+
+		if ( !strchr( szTemp2, '.' ) )
+		{
+			V_strncat( szTemp2, ".0", sizeof( szTemp2 ) );
+		}
+		double flCheck2 = atof( szTemp2 );
+		double flErr2 = fabs( flCheck2 - fConst );
+		flMaxErr2 = MAX( flMaxErr2, flErr2 );
+		Assert( EqualTol( flCheck2, fConst, .000000125 ) );
+
+		if ( flMaxErr1 > flMaxErr2 )
+		{
+			GLMDebugPrintf( "!\n" );
+		}
+#endif
+
+		PrintToBuf( *m_pBufParamCode, i != 3 ? "%s, " : "%s", szTemp ); // end with comma-space
+	}
+
+	PrintToBuf( *m_pBufParamCode, " );\n" );
+}
+
+void D3DToGL::Handle_MAD( uint32 nInstruction )
+{
+	uint32 nDestToken = GetNextToken();
+	CUtlString sParam1 = GetParameterString( nDestToken, DST_REGISTER, false, NULL );
+	int nARLComp0 = ARL_DEST_NONE;
+	CUtlString sParam2 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp0 );
+	int nARLComp1 = ARL_DEST_NONE;
+	CUtlString sParam3 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp1 );
+	int nARLComp2 = ARL_DEST_NONE;
+	CUtlString sParam4 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp2 );
+
+	// This optionally inserts a move from our dummy address register to the .x component of the real one
+	InsertMoveFromAddressRegister( m_pBufALUCode, nARLComp0, nARLComp1, nARLComp2 );
+
+	sParam2 = FixGLSLSwizzle( sParam1, sParam2 );
+	sParam3 = FixGLSLSwizzle( sParam1, sParam3 );
+	sParam4 = FixGLSLSwizzle( sParam1, sParam4 );
+	PrintToBufWithIndents( *m_pBufALUCode, "%s = %s * %s + %s;\n", sParam1.String(), sParam2.String(), sParam3.String(), sParam4.String() );
+		
+	// If the _SAT instruction modifier is used, then do a saturate here.
+	if ( nDestToken & D3DSPDM_SATURATE )
+	{
+		int nComponents = GetNumSwizzleComponents( sParam1.String() );
+		if ( nComponents == 0 )
+			nComponents = 4;
+			
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sParam1.String(), sParam1.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] );
+	}
+}
+
+
+void D3DToGL::Handle_DP2ADD()
+{
+	char pDestReg[64], pSrc0Reg[64], pSrc1Reg[64], pSrc2Reg[64];
+	uint32 nDestToken = GetNextToken();
+	PrintParameterToString( nDestToken, DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc1Reg, sizeof( pSrc1Reg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc2Reg, sizeof( pSrc2Reg ), false, NULL );
+
+	// We should only be assigning to a single component of the dest.
+	Assert( GetNumSwizzleComponents( pDestReg ) == 1 );
+	Assert( GetNumSwizzleComponents( pSrc2Reg ) == 1 );
+
+	// This is a 2D dot product, so we only want two entries from the middle components.
+	CUtlString sArg0 = EnsureNumSwizzleComponents( pSrc0Reg, 2 );
+	CUtlString sArg1 = EnsureNumSwizzleComponents( pSrc1Reg, 2 );
+
+	PrintToBufWithIndents( *m_pBufALUCode, "%s = dot( %s, %s ) + %s;\n", pDestReg, sArg0.String(), sArg1.String(), pSrc2Reg );
+		
+	// If the _SAT instruction modifier is used, then do a saturate here.
+	if ( nDestToken & D3DSPDM_SATURATE )
+	{
+		int nComponents = GetNumSwizzleComponents( pDestReg );
+		if ( nComponents == 0 )
+			nComponents = 4;
+			
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", pDestReg, pDestReg, g_szVecZeros[nComponents], g_szVecOnes[nComponents] );
+	}
+}
+
+
+void D3DToGL::Handle_SINCOS()
+{
+	char pDestReg[64], pSrc0Reg[64];
+	PrintParameterToString( GetNextToken(), DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), true, NULL );
+	m_bNeedsSinCosDeclarations = true;
+
+	
+	CUtlString sDest( pDestReg );
+	CUtlString sArg0 = EnsureNumSwizzleComponents( pSrc0Reg, 1 );// Ensure input is scalar
+	CUtlString sResult( "vSinCosTmp.xy" );			// Always going to populate this
+	sResult = FixGLSLSwizzle( sDest, sResult );		// Make sure we match the desired output reg
+			
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.z = %s * %s;\n", sArg0.String(), sArg0.String() );
+		
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.zz * scA.xy + scA.wz;\n" );
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy * vSinCosTmp.zz + scB.xy;\n" );
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy * vSinCosTmp.zz + scB.wz;\n" );
+
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.x = vSinCosTmp.x * %s;\n", sArg0.String() );
+		
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy * vSinCosTmp.xx;\n" );
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy + vSinCosTmp.xy;\n" );
+	PrintToBufWithIndents( *m_pBufALUCode, "vSinCosTmp.x = -vSinCosTmp.x + scB.z;\n" );
+		
+	PrintToBufWithIndents( *m_pBufALUCode, "%s = %s;\n", sDest.String(), sResult.String() );
+	
+	if ( m_dwMajorVersion < 3 )
+	{
+		// Eat two more tokens since D3D defines Taylor series constants that we won't need
+		// Only valid for pixel and vertex shader version earlier than 3_0
+		// (http://msdn.microsoft.com/en-us/library/windows/hardware/ff569710(v=vs.85).aspx)
+		SkipTokens( 2 );
+	}
+}
+
+
+void D3DToGL::Handle_LRP( uint32 nInstruction )
+{
+	uint32 nDestToken = GetNextToken();
+	CUtlString sDest = GetParameterString( nDestToken, DST_REGISTER, false, NULL );
+	int nARLComp0 = ARL_DEST_NONE;
+	CUtlString sParam0 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp0 );
+	int nARLComp1 = ARL_DEST_NONE;
+	CUtlString sParam1 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp1 );
+	int nARLComp2 = ARL_DEST_NONE;
+	CUtlString sParam2 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp2 );
+		
+	// This optionally inserts a move from our dummy address register to the .x component of the real one
+	InsertMoveFromAddressRegister( m_pBufALUCode, nARLComp0, nARLComp1, nARLComp2 );
+		
+	sParam0 = FixGLSLSwizzle( sDest, sParam0 );
+	sParam1 = FixGLSLSwizzle( sDest, sParam1 );
+	sParam2 = FixGLSLSwizzle( sDest, sParam2 );
+
+	// dest = src0 * (src1 - src2) + src2;
+	PrintToBufWithIndents( *m_pBufALUCode, "%s = %s * ( %s - %s ) + %s;\n", sDest.String(), sParam0.String(), sParam1.String(), sParam2.String(), sParam2.String() );
+
+	// If the _SAT instruction modifier is used, then do a saturate here.
+	if ( nDestToken & D3DSPDM_SATURATE )
+	{
+		int nComponents = GetNumSwizzleComponents( sDest.String() );
+		if ( nComponents == 0 )
+			nComponents = 4;
+			
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sDest.String(), sDest.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] );
+	}
+}
+
+
+void D3DToGL::Handle_TEX( uint32 dwToken, bool bIsTexLDL )
+{
+	char pDestReg[64], pSrc0Reg[64], pSrc1Reg[64];
+	PrintParameterToString( GetNextToken(), DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), false, NULL );
+	
+	DWORD dwSrc1Token = GetNextToken();
+	PrintParameterToString( dwSrc1Token, SRC_REGISTER, pSrc1Reg, sizeof( pSrc1Reg ), false, NULL );
+	
+	Assert( (dwSrc1Token & D3DSP_REGNUM_MASK) < ARRAYSIZE( m_dwSamplerTypes ) );
+	uint32 nSamplerType = m_dwSamplerTypes[dwSrc1Token & D3DSP_REGNUM_MASK];
+	if ( nSamplerType == SAMPLER_TYPE_2D )
+	{
+		const bool bIsShadowSampler = ( ( 1 << ( (int) ( dwSrc1Token & D3DSP_REGNUM_MASK ) ) ) & m_nShadowDepthSamplerMask ) != 0;
+			
+		if ( bIsTexLDL )
+		{
+			CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, bIsShadowSampler ? 3 : 2 );
+
+			// Strip out the W component of the pSrc0Reg and pass that as the LOD to texture2DLod.
+			char szLOD[128], szExtra[8];
+			GetParamNameWithoutSwizzle( pSrc0Reg, szLOD, sizeof( szLOD ) );
+			V_snprintf( szExtra, sizeof( szExtra ), ".%c", GetSwizzleComponent( pSrc0Reg, 3 ) );
+			V_strncat( szLOD, szExtra, sizeof( szLOD ) );
+
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = %s( %s, %s, %s );\n", pDestReg, bIsShadowSampler ? "shadow2DLod" : "texture2DLod", pSrc1Reg, sCoordVar.String(), szLOD );
+		}
+		else if ( bIsShadowSampler )
+		{
+			// .z is meant to contain the object depth, while .xy contains the 2D tex coords
+			CUtlString sCoordVar3D = EnsureNumSwizzleComponents( pSrc0Reg, 3 );
+
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = shadow2D( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar3D.String() );
+			Assert( m_dwSamplerTypes[dwSrc1Token & D3DSP_REGNUM_MASK] == SAMPLER_TYPE_2D );
+		}
+		else if( ( OpcodeSpecificData( dwToken ) << D3DSP_OPCODESPECIFICCONTROL_SHIFT ) == D3DSI_TEXLD_PROJECT )
+		{
+			// This projective case is after the shadow case intentionally, due to the way that "projective"
+			// loads are overloaded in our D3D shaders for shadow lookups.
+			//
+			// We use the vec4 variant of texture2DProj() intentionally here, since it lines up well with Direct3D.
+
+			CUtlString s4DProjCoords = EnsureNumSwizzleComponents( pSrc0Reg, 4 ); // Ensure vec4 variant
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = texture2DProj( %s, %s );\n", pDestReg, pSrc1Reg, s4DProjCoords.String() );
+		}
+		else				
+		{
+			CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, bIsShadowSampler ? 3 : 2 );
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = texture2D( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String() );
+		}
+	}
+	else if ( nSamplerType == SAMPLER_TYPE_3D )
+	{
+		if ( bIsTexLDL )
+		{
+			TranslationError();
+		}
+
+		CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, 3 );
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = texture3D( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String() );
+	}
+	else if ( nSamplerType == SAMPLER_TYPE_CUBE )
+	{
+		if ( bIsTexLDL )
+		{
+			TranslationError();
+		}
+
+		CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, 3 );
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = textureCube( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String() );
+	}
+	else
+	{
+		Error( "TEX instruction: unsupported sampler type used" );
+	}
+}
+
+void D3DToGL::StrcatToHeaderCode( const char *pBuf )
+{
+	strcat_s( (char*)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), pBuf );
+}
+
+void D3DToGL::StrcatToALUCode( const char *pBuf )
+{
+	PrintIndentation( (char*)m_pBufALUCode->Base(), m_pBufALUCode->Size() );
+
+	strcat_s( (char*)m_pBufALUCode->Base(), m_pBufALUCode->Size(), pBuf );
+}
+
+void D3DToGL::StrcatToParamCode( const char *pBuf )
+{
+	strcat_s( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size(), pBuf );
+}
+
+void D3DToGL::StrcatToAttribCode( const char *pBuf )
+{
+	strcat_s( (char*)m_pBufAttribCode->Base(), m_pBufAttribCode->Size(), pBuf );
+}
+
+void D3DToGL::Handle_TexLDD( uint32 nInstruction )
+{
+	TranslationError(); // Not supported yet, but can be if we need it.
+}
+
+
+void D3DToGL::Handle_TexCoord()
+{
+	TranslationError();
+
+	// If ps_1_4, this is texcrd
+	if ( (m_dwMajorVersion == 1) && (m_dwMinorVersion == 4) && (!m_bVertexShader) )
+	{
+		StrcatToALUCode( "texcrd" );
+	}
+	else // else it's texcoord
+	{
+		TranslationError();
+		StrcatToALUCode( "texcoord" );
+	}
+
+	char buff[256];
+	PrintParameterToString( GetNextToken(), DST_REGISTER, buff, sizeof( buff ), false, NULL );
+	StrcatToALUCode( buff );
+
+	// If ps_1_4, texcrd also has a source parameter
+	if ((m_dwMajorVersion == 1) && (m_dwMinorVersion == 4) && (!m_bVertexShader))
+	{
+		StrcatToALUCode( ", " );
+		PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL );
+		StrcatToALUCode( buff );
+	}
+
+	StrcatToALUCode( ";\n" );
+}
+
+void D3DToGL::Handle_BREAKC( uint32 dwToken )
+{
+	uint nComparison = ( dwToken & D3DSHADER_COMPARISON_MASK ) >> D3DSHADER_COMPARISON_SHIFT;
+
+	const char *pComparison = "?";
+	switch ( nComparison )
+	{
+	case D3DSPC_GT: pComparison = ">"; break;
+	case D3DSPC_EQ: pComparison = "=="; break;
+	case D3DSPC_GE: pComparison = ">="; break;
+	case D3DSPC_LT: pComparison = "<"; break;
+	case D3DSPC_NE: pComparison = "!="; break;
+	case D3DSPC_LE: pComparison = "<="; break;
+	default:
+		TranslationError();
+	}
+
+	char src0[256];
+	uint32 src0Token = GetNextToken(); 
+	PrintParameterToString( src0Token, SRC_REGISTER, src0, sizeof( src0 ), false, NULL );
+
+	char src1[256];
+	uint32 src1Token = GetNextToken(); 
+	PrintParameterToString( src1Token, SRC_REGISTER, src1, sizeof( src1 ), false, NULL );
+
+	PrintToBufWithIndents( *m_pBufALUCode, "if (%s %s %s) break;\n", src0, pComparison, src1 );
+}
+
+void D3DToGL::HandleBinaryOp_GLSL( uint32 nInstruction )
+{
+	uint32 nDestToken = GetNextToken();
+	CUtlString sParam1 = GetParameterString( nDestToken, DST_REGISTER, false, NULL );
+	int nARLComp0 = ARL_DEST_NONE;
+	CUtlString sParam2 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp0 );
+	int nARLComp1 = ARL_DEST_NONE;
+	CUtlString sParam3 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp1 );
+
+	// This optionally inserts a move from our dummy address register to the .x component of the real one
+	InsertMoveFromAddressRegister( m_pBufALUCode, nARLComp0, nARLComp1 );
+
+	// Since DP3 and DP4 have a scalar as the dest and vectors as the src, don't screw with the swizzle specifications.
+	if ( nInstruction == D3DSIO_DP3 )
+	{
+		sParam2 = EnsureNumSwizzleComponents( sParam2, 3 );
+		sParam3 = EnsureNumSwizzleComponents( sParam3, 3 );
+	}
+	else if ( nInstruction == D3DSIO_DP4 )
+	{
+		sParam2 = EnsureNumSwizzleComponents( sParam2, 4 );
+		sParam3 = EnsureNumSwizzleComponents( sParam3, 4 );
+	}
+	else if ( nInstruction == D3DSIO_DST )
+	{
+		m_bUsesDSTInstruction = true;
+		sParam2 = EnsureNumSwizzleComponents( sParam2, 4 );
+		sParam3 = EnsureNumSwizzleComponents( sParam3, 4 );
+	}
+	else
+	{
+		sParam2 = FixGLSLSwizzle( sParam1, sParam2 );
+		sParam3 = FixGLSLSwizzle( sParam1, sParam3 );
+	}
+
+	char buff[256];
+	if ( nInstruction == D3DSIO_ADD || nInstruction == D3DSIO_SUB || nInstruction == D3DSIO_MUL )
+	{
+		// These all look like x = y op z
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = %s %s %s;\n", sParam1.String(), sParam2.String(), GetGLSLOperatorString( nInstruction ), sParam3.String() );
+	}
+	else
+	{
+		int nDestComponents = GetNumSwizzleComponents( sParam1.String() );
+		int nSrcComponents = GetNumSwizzleComponents( sParam2.String() );
+		
+		// All remaining instructions can use GLSL intrinsics like dot() and cross().
+		bool bDoubleClose = OpenIntrinsic( nInstruction, buff, sizeof( buff ), nDestComponents, nSrcComponents );
+
+		if ( ( nSrcComponents == 1 ) && ( nInstruction == D3DSIO_SGE ) )
+		{
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = %s%s >= %s );\n", sParam1.String(), buff, sParam2.String(), sParam3.String() );
+		}
+		else if ( ( nSrcComponents == 1 ) && ( nInstruction == D3DSIO_SLT ) )
+		{
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = %s%s < %s );\n", sParam1.String(), buff, sParam2.String(), sParam3.String() );
+		}
+		else
+		{
+			PrintToBufWithIndents( *m_pBufALUCode, "%s = %s%s, %s %s;\n", sParam1.String(), buff, sParam2.String(), sParam3.String(), bDoubleClose ? ") )" : ")" );
+		}
+	}
+
+	// If the _SAT instruction modifier is used, then do a saturate here.
+	if ( nDestToken & D3DSPDM_SATURATE )
+	{
+		int nComponents = GetNumSwizzleComponents( sParam1.String() );
+		if ( nComponents == 0 )
+			nComponents = 4;
+
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sParam1.String(), sParam1.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] );
+	}
+}
+
+void D3DToGL::HandleBinaryOp_ASM( uint32 nInstruction )
+{
+	CUtlString sParam1 = GetParameterString( GetNextToken(), DST_REGISTER, false, NULL );
+	int nARLComp0 = ARL_DEST_NONE;
+	CUtlString sParam2 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp0 );
+	int nARLComp1 = ARL_DEST_NONE;
+	CUtlString sParam3 = GetParameterString( GetNextToken(), SRC_REGISTER, false, &nARLComp1 );
+
+	// This optionally inserts a move from our dummy address register to the .x component of the real one
+	InsertMoveFromAddressRegister( m_pBufALUCode, nARLComp0, nARLComp1 );
+
+	char buff[256];
+	PrintOpcode( nInstruction, buff, sizeof( buff ) );
+	PrintToBufWithIndents( *m_pBufALUCode, "%s%s, %s, %s;\n", buff, sParam1.String(), sParam2.String(), sParam3.String() );
+}
+
+void D3DToGL::WriteGLSLCmp( const char *pDestReg, const char *pSrc0Reg, const char *pSrc1Reg, const char *pSrc2Reg )
+{
+	int nWriteMaskEntries = GetNumWriteMaskEntries( pDestReg );
+	for ( int i=0; i < nWriteMaskEntries; i++ )
+	{
+		char params[4][256];
+		WriteParamWithSingleMaskEntry( pDestReg, i, params[0], sizeof( params[0] ) );
+		WriteParamWithSingleMaskEntry( pSrc0Reg, i, params[1], sizeof( params[1] ) );
+		WriteParamWithSingleMaskEntry( pSrc1Reg, i, params[2], sizeof( params[2] ) );
+		WriteParamWithSingleMaskEntry( pSrc2Reg, i, params[3], sizeof( params[3] ) );
+
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = ( %s >= 0.0 ) ? %s : %s;\n", params[0], params[1], params[2], params[3] );
+	}
+}
+
+void D3DToGL::Handle_CMP()
+{
+	// In Direct3D, result = (src0 >= 0.0) ? src1 : src2
+	// In OpenGL,	result = (src0 <  0.0) ? src1 : src2
+	//
+	// As a result, arguments are effectively in a different order than Direct3D!  !#$&*!%#$&
+	char pDestReg[64], pSrc0Reg[64], pSrc1Reg[64], pSrc2Reg[64];
+	uint32 nDestToken = GetNextToken();
+	PrintParameterToString( nDestToken, DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc1Reg, sizeof( pSrc1Reg ), false, NULL );
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc2Reg, sizeof( pSrc2Reg ), false, NULL );
+	
+	// These are a tricky case.. we have to expand it out into multiple statements.
+	char szDestBase[256];
+	GetParamNameWithoutSwizzle( pDestReg, szDestBase, sizeof( szDestBase ) );
+
+	V_strncpy( pSrc0Reg, FixGLSLSwizzle( pDestReg, pSrc0Reg ), sizeof( pSrc0Reg ) );
+	V_strncpy( pSrc1Reg, FixGLSLSwizzle( pDestReg, pSrc1Reg ), sizeof( pSrc1Reg ) );
+	V_strncpy( pSrc2Reg, FixGLSLSwizzle( pDestReg, pSrc2Reg ), sizeof( pSrc2Reg ) );
+
+	// This isn't reliable!
+	//if ( DoParamNamesMatch( pDestReg, pSrc0Reg ) && GetNumSwizzleComponents( pDestReg ) > 1  )
+	if ( 1 ) 
+	{
+		// So the dest register is the same as the comparand. We're in danger of screwing up our results.
+		//
+		// For example, this code:
+		//		CMP r0.xy, r0.xx, r1, r2
+		// would generate this:
+		//		r0.x = (r0.x >= 0) ? r1.x : r2.x;
+		//		r0.y = (r0.x >= 0) ? r1.x : r2.x;
+		//
+		// But the first lines changes r0.x and thus screws the atomicity of the CMP instruction for the second line.
+		// So we assign r0 to a temporary first and then write to the temporary.
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = %s;\n", g_pAtomicTempVarName, szDestBase );
+
+		char szTempVar[256];
+		ReplaceParamName( pDestReg, g_pAtomicTempVarName, szTempVar, sizeof( szTempVar ) );
+		WriteGLSLCmp( szTempVar, pSrc0Reg, pSrc1Reg, pSrc2Reg );
+
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = %s;\n", szDestBase, g_pAtomicTempVarName );
+		m_bUsedAtomicTempVar = true;
+	}
+	else
+	{
+		// Just write out the simple expanded version of the CMP. No need to use atomic_temp_var.
+		WriteGLSLCmp( pDestReg, pSrc0Reg, pSrc1Reg, pSrc2Reg );
+	}
+		
+	// If the _SAT instruction modifier is used, then do a saturate here.
+	if ( nDestToken & D3DSPDM_SATURATE )
+	{
+		int nComponents = GetNumSwizzleComponents( pDestReg );
+		if ( nComponents == 0 )
+			nComponents = 4;
+			
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", pDestReg, pDestReg, g_szVecZeros[nComponents], g_szVecOnes[nComponents] );
+	}
+}
+
+void D3DToGL::Handle_NRM()
+{
+	char pDestReg[64];
+	char pSrc0Reg[64];
+	PrintParameterToString( GetNextToken(), DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL );
+	int nARLSrcComp = ARL_DEST_NONE;
+	PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), false, &nARLSrcComp );
+	
+	if ( nARLSrcComp != -1 )
+	{
+		InsertMoveFromAddressRegister( m_pBufALUCode, nARLSrcComp, -1, -1 );
+	}
+
+	CUtlString sSrc = EnsureNumSwizzleComponents( pSrc0Reg, 3 );
+	PrintToBufWithIndents( *m_pBufALUCode, "%s = normalize( %s );\n", pDestReg, sSrc.String() );
+}
+
+void D3DToGL::Handle_UnaryOp( uint32 nInstruction )
+{
+	uint32 nDestToken = GetNextToken();
+	CUtlString sParam1 = GetParameterString( nDestToken, DST_REGISTER, false, NULL );
+	CUtlString sParam2 = GetParameterString( GetNextToken(), SRC_REGISTER, false, NULL );
+	sParam2 = FixGLSLSwizzle( sParam1, sParam2 );
+
+	
+	if ( nInstruction == D3DSIO_MOV )
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = %s;\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_RSQ )
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = inversesqrt( %s );\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_RCP )
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = 1.0 / %s;\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_EXP )
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = exp2( %s );\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_FRC )
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = fract( %s );\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_LOG )	// d3d 'log' is log base 2
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = log2( %s );\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_ABS )	// rbarris did this one, Jason please check
+	{
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = abs( %s );\n", sParam1.String(), sParam2.String() );
+	}
+	else if ( nInstruction == D3DSIO_MOVA )
+	{
+		m_bDeclareAddressReg = true;
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = %s;\n", sParam1.String(), sParam2.String() );
+			
+		if ( !m_bGenerateBoneUniformBuffer )
+		{
+			m_nHighestRegister = DXABSTRACT_VS_PARAM_SLOTS - 1;
+		}
+	}
+	else
+	{
+		Error( "Unsupported instruction" );
+	}
+
+	// If the _SAT instruction modifier is used, then do a saturate here.
+	if ( nDestToken & D3DSPDM_SATURATE )
+	{
+		int nComponents = GetNumSwizzleComponents( sParam1.String() );
+		if ( nComponents == 0 )
+		{
+			nComponents = 4;
+		}
+
+		PrintToBufWithIndents( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sParam1.String(), sParam1.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] );
+	}
+}
+
+void D3DToGL::WriteGLSLSamplerDefinitions()
+{
+	int nSamplersWritten = 0;
+	for ( int i=0; i < ARRAYSIZE( m_dwSamplerTypes ); i++ )
+	{
+		if ( m_dwSamplerTypes[i] == SAMPLER_TYPE_2D )
+		{
+			if ( ( ( 1 << i ) & m_nShadowDepthSamplerMask ) != 0 )
+			{
+				PrintToBuf( *m_pBufHeaderCode, "uniform sampler2DShadow sampler%d;\n", i );
+			}
+			else
+			{
+				PrintToBuf( *m_pBufHeaderCode, "uniform sampler2D sampler%d;\n", i );
+			}
+			++nSamplersWritten;
+		}
+		else if ( m_dwSamplerTypes[i] == SAMPLER_TYPE_3D )
+		{
+			PrintToBuf( *m_pBufHeaderCode, "uniform sampler3D sampler%d;\n", i );
+			++nSamplersWritten;
+		}
+		else if ( m_dwSamplerTypes[i] == SAMPLER_TYPE_CUBE )
+		{
+			PrintToBuf( *m_pBufHeaderCode, "uniform samplerCube sampler%d;\n", i );
+			++nSamplersWritten;
+		}
+		else if ( m_dwSamplerTypes[i] != SAMPLER_TYPE_UNUSED )
+		{
+			Error( "Unknown sampler type." );
+		}
+	}
+
+	if ( nSamplersWritten > 0 )
+		PrintToBuf( *m_pBufHeaderCode, "\n\n" );
+}
+
+void D3DToGL::WriteGLSLOutputVariableAssignments()
+{
+	if ( m_bVertexShader )
+	{
+		// Map output "oN" registers back to GLSL output variables.
+		if ( m_bAddHexCodeComments )
+		{
+			PrintToBuf( *m_pBufAttribCode, "\n// Now we're storing the oN variables from the output dcl_ statements back into their GLSL equivalents.\n" );
+		}
+				
+		for ( int i=0; i < ARRAYSIZE( m_DeclaredOutputs ); i++ )
+		{
+			if ( m_DeclaredOutputs[i] == UNDECLARED_OUTPUT )
+				continue;
+
+			if ( ( m_dwTexCoordOutMask & ( 1 << i ) ) == 0 )
+				continue;
+
+			uint32 dwToken = m_DeclaredOutputs[i];
+
+			uint32 dwUsage = ( dwToken & D3DSP_DCL_USAGE_MASK );
+			uint32 dwUsageIndex = ( dwToken & D3DSP_DCL_USAGEINDEX_MASK ) >> D3DSP_DCL_USAGEINDEX_SHIFT;
+
+			if ( ( dwUsage == D3DDECLUSAGE_FOG ) || ( dwUsage == D3DDECLUSAGE_PSIZE ) )
+			{
+				TranslationError(); // Not supported yet, but can be if we need it.
+			}
+
+			if ( dwUsage == D3DDECLUSAGE_COLOR )
+			{
+				PrintToBufWithIndents( *m_pBufALUCode, "%s = oTempT%d;\n", dwUsageIndex ? "gl_FrontSecondaryColor" : "gl_FrontColor", i );
+			}
+			else if ( dwUsage == D3DDECLUSAGE_TEXCOORD )
+			{
+				char buf[256];
+				if ( m_nCentroidMask & ( 0x00000001 << dwUsageIndex ) )
+				{
+					V_snprintf( buf, sizeof( buf ), "centroid varying vec4 oT%d;\n", dwUsageIndex ); // centroid varying
+				}
+				else
+				{
+					V_snprintf( buf, sizeof( buf ), "varying vec4 oT%d;\n", dwUsageIndex );
+				}
+				StrcatToHeaderCode( buf );
+									
+				PrintToBufWithIndents( *m_pBufALUCode, "oT%d = oTempT%d;\n", dwUsageIndex, i );
+			}
+		}
+	}
+}
+
+void D3DToGL::WriteGLSLInputVariableAssignments()
+{
+	if ( m_bVertexShader )
+		return;
+		
+	for ( int i=0; i < ARRAYSIZE( m_DeclaredInputs ); i++ )
+	{
+		if ( m_DeclaredInputs[i] == UNDECLARED_INPUT )
+			continue;
+				
+		uint32 dwToken = m_DeclaredInputs[i];
+
+		uint32 dwUsage = ( dwToken & D3DSP_DCL_USAGE_MASK );
+		uint32 dwUsageIndex = ( dwToken & D3DSP_DCL_USAGEINDEX_MASK ) >> D3DSP_DCL_USAGEINDEX_SHIFT;
+
+		if ( dwUsage == D3DDECLUSAGE_COLOR )
+		{
+			PrintToBufWithIndents( *m_pBufAttribCode, "vec4 oTempT%d = %s;\n", i, dwUsageIndex ? "gl_SecondaryColor" : "gl_Color" );
+		}
+		else if ( dwUsage == D3DDECLUSAGE_TEXCOORD )
+		{
+			PrintToBufWithIndents( *m_pBufAttribCode, "vec4 oTempT%d = oT%d;\n", i, dwUsageIndex );
+		}
+	}
+}
+
+void D3DToGL::Handle_DeclarativeNonDclOp( uint32 nInstruction )
+{
+	char buff[128];
+	uint32 dwToken = GetNextToken();
+	PrintParameterToString( dwToken, DST_REGISTER, buff, sizeof( buff ), false, NULL );
+
+	if ( nInstruction == D3DSIO_TEXKILL )
+	{
+		// TEXKILL is supposed to discard the pixel if any of the src register's X, Y, or Z components are less than zero.
+		// We have to translate it to something like:
+		//   if ( r0.x < 0.0 || r0.y < 0.0 )
+		//        discard;
+		char c[3];
+		c[0] = GetSwizzleComponent( buff, 0 );
+		c[1] = GetSwizzleComponent( buff, 1 );
+		c[2] = GetSwizzleComponent( buff, 2 );
+
+		// Get the unique components.
+		char cUnique[3];
+		cUnique[0] = c[0];
+
+		int nUnique = 1;
+		if ( c[1] != c[0] )
+			cUnique[nUnique++] = c[1];
+
+		if ( c[2] != c[1] && c[2] != c[0] )
+			cUnique[nUnique++] = c[2];
+
+		// Get the src register base name.
+		char szBase[256];
+		GetParamNameWithoutSwizzle( buff, szBase, sizeof( szBase ) );
+
+		PrintToBufWithIndents( *m_pBufALUCode, "if ( %s.%c < 0.0 ", szBase, cUnique[0] );
+		for ( int i=1; i < nUnique; i++ )
+		{
+			PrintToBuf( *m_pBufALUCode, "|| %s.%c < 0.0 ", szBase, cUnique[i] );
+		}
+		PrintToBuf( *m_pBufALUCode, ")\n{\n\tdiscard;\n}\n" );
+	}
+	else
+	{
+		char szOpcode[128];
+		PrintOpcode( nInstruction, szOpcode, sizeof( szOpcode ) );
+		StrcatToALUCode( szOpcode );
+
+		StrcatToALUCode( buff );
+		StrcatToALUCode( ";\n" );
+	}
+}
+
+
+void D3DToGL::NoteTangentInputUsed()
+{
+	if ( !m_bTangentInputUsed )
+	{
+		m_bTangentInputUsed = true;
+//		PrintToBuf( *m_pBufParamCode, "attribute vec4 %s;\n", g_pTangentAttributeName );
+	}
+}
+
+
+// These are the only ARL instructions that should appear in the instruction stream
+void D3DToGL::InsertMoveInstruction( CUtlBuffer *pCode, int nARLComponent )
+{
+	PrintIndentation( ( char * )pCode->Base(), pCode->Size() );
+
+	switch ( nARLComponent )
+	{
+		case ARL_DEST_X:
+			strcat_s( ( char * )pCode->Base(), pCode->Size(), "a0 = int( va_r.x );\n" );
+			break;
+		case ARL_DEST_Y:
+			strcat_s( ( char * )pCode->Base(), pCode->Size(), "a0 = int( va_r.y );\n" );
+			break;
+		case ARL_DEST_Z:
+			strcat_s( ( char * )pCode->Base(), pCode->Size(), "a0 = int( va_r.z );\n" );
+			break;
+		case ARL_DEST_W:
+			strcat_s( ( char * )pCode->Base(), pCode->Size(), "a0 = int( va_r.w );\n" );
+			break;
+	}
+}
+
+// This optionally inserts a move from our dummy address register to the .x component of the real one
+void D3DToGL::InsertMoveFromAddressRegister( CUtlBuffer *pCode, int nARLComp0, int nARLComp1, int nARLComp2 /* = ARL_DEST_NONE */ )
+{
+	// We no longer need to do this in GLSL - we put the cast to int from the dummy address register va_r.x, va_r.y, etc. directly into the instruction
+	return;
+}
+
+
+//------------------------------------------------------------------------------
+// TranslateShader()
+//
+// This is the main function that the outside world sees.  A pointer to the
+// uint32 stream returned from the D3DX compile routine is parsed and used
+// to write human-readable asm code into the character array pointed to by
+// pDisassembledCode.  An error code is returned.
+//------------------------------------------------------------------------------
+
+
+int D3DToGL::TranslateShader( uint32* code, CUtlBuffer *pBufDisassembledCode, bool *bVertexShader, uint32 options, int32 nShadowDepthSamplerMask, uint32 nCentroidMask, char *debugLabel )
+{
+	CUtlString sLine, sParamName;
+	uint32 i, dwToken, nInstruction, nNumTokensToSkip;
+	char buff[256];
+
+	// obey options
+	m_bUseEnvParams = (options & D3DToGL_OptionUseEnvParams) != 0;
+	m_bDoFixupZ = (options & D3DToGL_OptionDoFixupZ) != 0;
+	m_bDoFixupY = (options & D3DToGL_OptionDoFixupY) != 0;
+	m_bDoUserClipPlanes = (options & D3DToGL_OptionDoUserClipPlanes) != 0;
+	
+	m_bAddHexCodeComments = (options & D3DToGL_AddHexComments) != 0;
+	m_bPutHexCodesAfterLines = (options & D3DToGL_PutHexCommentsAfterLines) != 0;
+	m_bGeneratingDebugText = (options & D3DToGL_GeneratingDebugText) != 0;
+	m_bGenerateSRGBWriteSuffix = (options & D3DToGL_OptionSRGBWriteSuffix) != 0;
+
+	m_NumIndentTabs = 1; // start code indented one tab
+	m_nLoopDepth = 0;
+
+	// debugging
+	m_bSpew = (options & D3DToGL_OptionSpew) != 0;
+	
+	// These are not accessed below in a way that will cause them to glow, so
+	// we could overflow these and/or the buffer pointed to by pDisassembledCode
+	m_pBufAttribCode = new CUtlBuffer( 100, 10000, CUtlBuffer::TEXT_BUFFER );
+	m_pBufParamCode = new CUtlBuffer( 100, 10000, CUtlBuffer::TEXT_BUFFER );
+	m_pBufALUCode = new CUtlBuffer( 100, 60000, CUtlBuffer::TEXT_BUFFER );
+
+	// Pointers to text buffers for assembling sections of the program
+	m_pBufHeaderCode = pBufDisassembledCode;
+	char *pAttribMapStart = NULL;
+	((char*)m_pBufHeaderCode->Base())[0] = 0;
+	((char*)m_pBufAttribCode->Base())[0] = 0;
+	((char*)m_pBufParamCode->Base())[0] = 0;
+	((char*)m_pBufALUCode->Base())[0] = 0;
+
+
+	for ( i=0; i<MAX_SHADER_CONSTANTS; i++ )
+	{
+		m_bConstantRegisterDefined[i] = false;
+	}
+
+	// Track shadow sampler usage for proper declaration
+	m_nShadowDepthSamplerMask = nShadowDepthSamplerMask;
+	m_bDeclareShadowOption = false;
+
+	// Various flags set while parsing code to drive various declaration instructions
+	m_bNeedsD2AddTemp = false;
+	m_bNeedsLerpTemp = false;
+	m_bNeedsNRMTemp = false;
+	m_bNeedsSinCosDeclarations = false;
+	m_bDeclareAddressReg = false;
+	m_bDeclareVSOPos = false;
+	m_bDeclareVSOFog = false;
+	m_dwTexCoordOutMask = 0x00000000;
+	m_nVSPositionOutput = -1;
+	m_bOutputColorRegister[0] = false;
+	m_bOutputColorRegister[1] = false;
+	m_bOutputColorRegister[2] = false;
+	m_bOutputColorRegister[3] = false;
+	m_bOutputDepthRegister = false;
+	m_bTangentInputUsed = false;
+	m_bUsesDSTInstruction = false;
+	m_dwTempUsageMask = 0x00000000;
+	m_dwSamplerUsageMask = 0x00000000;
+	m_dwConstIntUsageMask = 0x00000000;
+	m_dwDefConstIntUsageMask = 0x00000000;
+	memset( m_dwDefConstIntIterCount, 0, sizeof( m_dwDefConstIntIterCount ) );
+	m_dwConstBoolUsageMask = 0x00000000;
+	m_nCentroidMask = nCentroidMask;
+	m_nHighestRegister = 0;
+	m_nHighestBoneRegister = -1;
+	m_bGenerateBoneUniformBuffer = false;
+	m_bUseBindlessTexturing = ((options & D3DToGL_OptionUseBindlessTexturing) != 0);
+		
+	m_bUsedAtomicTempVar = false;
+	for ( int i=0; i < ARRAYSIZE( m_dwSamplerTypes ); i++ )
+	{
+		m_dwSamplerTypes[i] = SAMPLER_TYPE_UNUSED;
+	}
+
+	for ( int i=0; i < ARRAYSIZE( m_DeclaredOutputs ); i++ )
+	{
+		m_DeclaredOutputs[i] = UNDECLARED_OUTPUT;
+	}
+
+	for ( int i=0; i < ARRAYSIZE( m_DeclaredInputs ); i++ )
+	{
+		m_DeclaredInputs[i] = UNDECLARED_INPUT;
+	}
+
+	memset( m_dwAttribMap, 0xFF, sizeof(m_dwAttribMap) );
+	
+	m_pdwBaseToken = m_pdwNextToken = code;	 // Initialize dwToken pointers
+
+	dwToken = GetNextToken();
+	m_dwMajorVersion = D3DSHADER_VERSION_MAJOR( dwToken );
+	m_dwMinorVersion = D3DSHADER_VERSION_MINOR( dwToken );
+
+	// If pixel shader
+	const char *glslExtText = "#extension GL_ARB_shader_texture_lod : require\n";//m_bUseBindlessTexturing ? "#extension GL_NV_bindless_texture : require\n" : "";
+	// 7ls
+	const char *glslVersionText = m_bUseBindlessTexturing ? "330 compatibility" : "120";
+
+	if ( ( dwToken & 0xFFFF0000 ) == 0xFFFF0000 )
+	{
+		// must explicitly enable extensions if emitting GLSL
+		V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version %s\n%s", glslVersionText, glslExtText );
+		m_bVertexShader = false;
+	}
+	else // vertex shader
+	{
+		m_bGenerateSRGBWriteSuffix = false;
+
+		V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version %s\n%s//ATTRIBMAP-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx\n", glslVersionText, glslExtText );
+		
+		// find that first '-xx' which is where the attrib map will be written later.
+		pAttribMapStart = strstr( (char *)m_pBufHeaderCode->Base(), "-xx" ) + 1;
+		
+		m_bVertexShader = true;
+	}
+	
+	*bVertexShader = m_bVertexShader;
+	
+	m_bGenerateBoneUniformBuffer = m_bVertexShader && ((options & D3DToGL_OptionGenerateBoneUniformBuffer) != 0);
+			
+	if ( m_bAddHexCodeComments )
+	{
+		RecordInputAndOutputPositions();
+	}
+	
+	if ( m_bSpew )
+	{
+		printf("\n************* translating shader " );
+	}
+	
+	int opcounter = 0;
+	
+	// Loop until we hit the end dwToken...note that D3DPS_END() == D3DVS_END() so this works for either
+	while ( dwToken != D3DPS_END() )
+	{
+		if ( m_bAddHexCodeComments )
+		{
+			AddTokenHexCode();
+			RecordInputAndOutputPositions();
+		}
+		
+#ifdef POSIX
+		int tokenIndex = m_pdwNextToken - code;
+#endif
+		int aluCodeLength0 = V_strlen( (char *) m_pBufALUCode->Base() );
+		
+		dwToken = GetNextToken();	// Get next dwToken in the stream
+		nInstruction = Opcode( dwToken ); // Mask out the instruction opcode
+
+		if ( m_bSpew )
+		{
+#ifdef POSIX
+			printf("\n** token# %04x inst# %04d  opcode %s (%08x)", tokenIndex, opcounter, GLMDecode(eD3D_SIO, nInstruction), dwToken );
+#endif
+			opcounter++;
+		}
+		
+		switch ( nInstruction )
+		{
+			// -- No arguments at all -----------------------------------------------
+			case D3DSIO_NOP:
+				// D3D compiler outputs NOPs when shader debugging/optimizations are disabled.
+				break;
+
+			case D3DSIO_PHASE:
+			case D3DSIO_RET:
+			case D3DSIO_ENDLOOP:
+			case D3DSIO_BREAK:
+				TranslationError();
+				PrintOpcode( nInstruction, buff, sizeof( buff ) );
+				StrcatToALUCode( buff );
+				StrcatToALUCode( ";\n" );
+				break;
+
+			// -- "Declarative" non dcl ops ----------------------------------------
+			case D3DSIO_TEXDEPTH:
+			case D3DSIO_TEXKILL:
+				Handle_DeclarativeNonDclOp( nInstruction );
+				break;
+
+			// -- Unary ops -------------------------------------------------
+			case D3DSIO_BEM:
+			case D3DSIO_TEXBEM:
+			case D3DSIO_TEXBEML:
+			case D3DSIO_TEXDP3:
+			case D3DSIO_TEXDP3TEX:
+			case D3DSIO_TEXM3x2DEPTH:
+			case D3DSIO_TEXM3x2TEX:
+			case D3DSIO_TEXM3x3:
+			case D3DSIO_TEXM3x3PAD:
+			case D3DSIO_TEXM3x3TEX:
+			case D3DSIO_TEXM3x3VSPEC:
+			case D3DSIO_TEXREG2AR:
+			case D3DSIO_TEXREG2GB:
+			case D3DSIO_TEXREG2RGB:
+			case D3DSIO_LABEL:
+			case D3DSIO_CALL:
+			case D3DSIO_LOOP:
+			case D3DSIO_BREAKP:
+			case D3DSIO_DSX:
+			case D3DSIO_DSY:
+				TranslationError();
+				break;
+
+			case D3DSIO_IFC:
+			{
+				static const char *s_szCompareStrings[ 7 ] =
+				{
+					"__INVALID__",
+					">",
+					"==",
+					">=",
+					"<",
+					"!=",
+					"<="
+				};
+
+				// Compare mode is encoded in instruction token
+				uint32 dwCompareMode = OpcodeSpecificData( dwToken );
+
+				Assert( ( dwCompareMode >= 1 ) && ( dwCompareMode <= 6 ) );
+
+				// Get left side of compare
+				dwToken = GetNextToken();
+				char szLeftSide[32];
+				PrintParameterToString( dwToken, SRC_REGISTER, szLeftSide, sizeof( szLeftSide ), false, NULL );
+
+				// Get right side of compare
+				dwToken = GetNextToken();
+				char szRightSide[32];
+				PrintParameterToString( dwToken, SRC_REGISTER, szRightSide, sizeof( szRightSide ), false, NULL );
+
+				PrintToBufWithIndents( *m_pBufALUCode, "if ( %s %s %s )\n", szLeftSide, s_szCompareStrings[dwCompareMode], szRightSide );
+				StrcatToALUCode( "{\n" );
+				m_NumIndentTabs++;
+				
+				break;
+			}
+			case D3DSIO_IF:
+				dwToken = GetNextToken();
+				PrintParameterToString( dwToken, SRC_REGISTER, buff, sizeof( buff ), false, NULL );
+
+				PrintToBufWithIndents( *m_pBufALUCode, "if ( %s )\n", buff );
+				StrcatToALUCode( "{\n" );
+				m_NumIndentTabs++;
+				
+				break;
+
+			case D3DSIO_ELSE:
+				m_NumIndentTabs--;
+				StrcatToALUCode( "}\n" );
+				StrcatToALUCode( "else\n" );
+				StrcatToALUCode( "{\n" );
+				m_NumIndentTabs++;
+				
+				break;
+
+			case D3DSIO_ENDIF:
+				m_NumIndentTabs--;
+				StrcatToALUCode( "}\n" );
+				
+				break;
+
+			case D3DSIO_REP:
+				dwToken = GetNextToken();
+				PrintParameterToString( dwToken, SRC_REGISTER, buff, sizeof( buff ), false, NULL );
+
+				// In practice, this is the only form of for loop that will appear in DX asm
+				PrintToBufWithIndents( *m_pBufALUCode, "for( int i=0; i < %s; i++ )\n", buff );
+				StrcatToALUCode( "{\n" );
+
+				m_nLoopDepth++;
+
+				// For now, we don't deal with loop nesting
+				// Easy enough to fix later with an array of loop names i, j, k etc
+				Assert( m_nLoopDepth <= 1 );
+
+				m_NumIndentTabs++;
+				
+				break;
+
+			case D3DSIO_ENDREP:
+				m_nLoopDepth--;
+				m_NumIndentTabs--;
+				StrcatToALUCode( "}\n" );
+				
+				break;
+
+			case D3DSIO_NRM:
+				Handle_NRM();
+				break;
+
+			case D3DSIO_MOVA:
+
+				Handle_UnaryOp( nInstruction );
+				
+				break;
+				
+			// Unary operations
+			case D3DSIO_MOV:
+			case D3DSIO_RCP:
+			case D3DSIO_RSQ:
+			case D3DSIO_EXP:
+			case D3DSIO_EXPP:
+			case D3DSIO_LOG:
+			case D3DSIO_LOGP:
+			case D3DSIO_FRC:
+			case D3DSIO_LIT:
+			case D3DSIO_ABS:
+				Handle_UnaryOp( nInstruction );
+				break;
+
+			// -- Binary ops -------------------------------------------------
+			case D3DSIO_TEXM3x3SPEC:
+			case D3DSIO_M4x4:
+			case D3DSIO_M4x3:
+			case D3DSIO_M3x4:
+			case D3DSIO_M3x3:
+			case D3DSIO_M3x2:
+			case D3DSIO_CALLNZ:
+			case D3DSIO_SETP:
+				TranslationError();
+				break;
+
+			case D3DSIO_BREAKC:
+				Handle_BREAKC( dwToken );
+				break;
+
+			// Binary Operations
+			case D3DSIO_ADD:
+			case D3DSIO_SUB:
+			case D3DSIO_MUL:
+			case D3DSIO_DP3:
+			case D3DSIO_DP4:
+			case D3DSIO_MIN:
+			case D3DSIO_MAX:
+			case D3DSIO_DST:
+			case D3DSIO_SLT:
+			case D3DSIO_SGE:
+			case D3DSIO_CRS:
+			case D3DSIO_POW:
+				HandleBinaryOp_GLSL( nInstruction );
+				
+				break;
+
+			// -- Ternary ops -------------------------------------------------
+			case D3DSIO_DP2ADD:
+				Handle_DP2ADD();
+				break;
+			case D3DSIO_LRP:
+				Handle_LRP( nInstruction );
+				break;
+			case D3DSIO_SGN:
+				Assert( m_bVertexShader );
+				TranslationError();		// TODO emulate with SLT etc
+				break;
+			case D3DSIO_CND:
+				TranslationError();
+				break;
+			case D3DSIO_CMP:
+				Handle_CMP();
+				break;
+			case D3DSIO_SINCOS:
+				Handle_SINCOS();
+				break;
+			case D3DSIO_MAD:
+				Handle_MAD( nInstruction );
+				break;
+
+			// -- Quaternary op ------------------------------------------------
+			case D3DSIO_TEXLDD:
+				Handle_TexLDD( nInstruction );
+				break;
+				
+			// -- Special cases: texcoord vs texcrd	and	tex vs texld -----------
+			case D3DSIO_TEXCOORD:
+				Handle_TexCoord();
+				break;
+
+			case D3DSIO_TEX:
+				Handle_TEX( dwToken, false );
+				break;
+
+			case D3DSIO_TEXLDL:
+				Handle_TEX( nInstruction, true );
+				break;
+				
+			case D3DSIO_DCL:
+				Handle_DCL();
+				break;
+
+			case D3DSIO_DEFB:
+			case D3DSIO_DEFI:
+				Handle_DEFIB( nInstruction );
+				break;
+
+			case D3DSIO_DEF:
+				Handle_DEF();
+				break;
+
+			case D3DSIO_COMMENT:
+				// Using OpcodeSpecificData() can fail here since the comments can be longer than 0xff dwords
+				nNumTokensToSkip = ( dwToken & 0x0fff0000 ) >> 16;
+				SkipTokens( nNumTokensToSkip );
+				break;
+
+			case D3DSIO_END:
+				break;
+		}
+		
+		if ( m_bSpew )
+		{
+			int aluCodeLength1 = V_strlen( (char *) m_pBufALUCode->Base() );
+			if ( aluCodeLength1 != aluCodeLength0 )
+			{
+				// code was emitted
+				printf( "\n    > %s", ((char *)m_pBufALUCode->Base()) + aluCodeLength0 );
+				
+				aluCodeLength0 = aluCodeLength1;
+			}
+		}
+	}
+
+	// Note that this constant packing expects .wzyx swizzles in case we ever use the SINCOS code in a ps_2_x shader
+	//
+	// The Microsoft documentation on this is all kinds of broken and, strangely, these numbers don't even
+	// match the D3DSINCOSCONST1 and D3DSINCOSCONST2 constants used by the D3D assembly sincos instruction...
+	if ( m_bNeedsSinCosDeclarations )
+	{
+		PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+		StrcatToParamCode( "vec4 scA = vec4( -1.55009923e-6, -2.17013894e-5, 0.00260416674, 0.00026041668 );\n" );
+		PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+		StrcatToParamCode( "vec4 scB = vec4( -0.020833334, -0.125, 1.0, 0.5 );\n" );			
+	}
+
+	// Stick in the sampler mask in hex
+	PrintToBuf( *m_pBufHeaderCode, "%sSAMPLERMASK-%x\n", "//", m_dwSamplerUsageMask );
+
+	uint nSamplerTypes = 0;
+	for ( int i = 0; i < 16; i++ )
+	{
+		Assert( m_dwSamplerTypes[i] < 4);
+		nSamplerTypes |= ( m_dwSamplerTypes[i] << ( i * 2 ) );
+	}
+	
+	PrintToBuf( *m_pBufHeaderCode, "%sSAMPLERTYPES-%x\n", "//", nSamplerTypes );
+
+	// fragData outputs referenced
+	uint nFragDataMask = 0;
+	for ( int i = 0; i < 4; i++ )
+	{
+		nFragDataMask |= m_bOutputColorRegister[ i ] ? ( 1 << i ) : 0;
+	}
+
+	PrintToBuf( *m_pBufHeaderCode, "%sFRAGDATAMASK-%x\n", "//", nFragDataMask );
+
+	// Uniforms
+
+	PrintToBuf( *m_pBufHeaderCode, "//HIGHWATER-%d\n", m_nHighestRegister + 1 );
+	if ( ( m_bVertexShader ) && ( m_bGenerateBoneUniformBuffer ) )
+	{
+		PrintToBuf( *m_pBufHeaderCode, "//HIGHWATERBONE-%i\n", m_nHighestBoneRegister + 1 );
+	}
+
+	PrintToBuf( *m_pBufHeaderCode, "\nuniform vec4 %s[%d];\n", m_bVertexShader ? "vc" : "pc", m_nHighestRegister + 1 );
+
+	if ( ( m_nHighestBoneRegister >= 0 ) && ( m_bVertexShader ) && ( m_bGenerateBoneUniformBuffer ) )
+	{
+		PrintToBuf( *m_pBufHeaderCode, "\nuniform vec4 %s[%d];\n", "vcbones", m_nHighestBoneRegister + 1 );
+	}
+
+	if ( m_bVertexShader )
+	{
+		PrintToBuf( *m_pBufHeaderCode, "\nuniform vec4 vcscreen;\n" );
+	}
+				
+	for( int i=0; i<32; i++ )
+	{
+		if ( ( m_dwConstIntUsageMask & ( 0x00000001 << i ) ) &&
+			( !( m_dwDefConstIntUsageMask & ( 0x00000001 << i ) ) )
+			)
+		{
+			PrintToBuf( *m_pBufHeaderCode, "uniform int i%d ;\n", i );
+		}
+	}
+
+	for( int i=0; i<32; i++ )
+	{
+		if ( m_dwDefConstIntUsageMask & ( 0x00000001 << i ) )
+		{
+			PrintToBuf( *m_pBufHeaderCode, "const int i%d = %i;\n", i, m_dwDefConstIntIterCount[i] );
+		}
+	}
+
+	for( int i=0; i<32; i++ )
+	{
+		if ( m_dwConstBoolUsageMask & ( 0x00000001 << i ) )
+		{
+			PrintToBuf( *m_pBufHeaderCode, m_bVertexShader ? "uniform bool b%d;\n" : "uniform bool fb%d;\n", i );
+		}
+	}
+
+	// Control bit for sRGB Write suffix
+	if ( m_bGenerateSRGBWriteSuffix )
+	{
+		// R500 Hookup
+		// Set this guy to 1 when the sRGBWrite state is true, otherwise 0
+		StrcatToHeaderCode( "uniform float flSRGBWrite;\n" );
+	}
+
+	PrintToBuf( *m_pBufHeaderCode, "\n" );
+
+	// Write samplers
+	WriteGLSLSamplerDefinitions();
+
+	if ( m_bUsesDSTInstruction )
+	{
+		PrintToBuf( *m_pBufHeaderCode, "vec4 dst(vec4 src0,vec4 src1) { return vec4(1.0f,src0.y*src1.y,src0.z,src1.w); }\n" );
+	}
+	
+	if ( m_bDeclareAddressReg )
+	{
+		if ( !m_bGenerateBoneUniformBuffer )
+		{
+			m_nHighestRegister = DXABSTRACT_VS_PARAM_SLOTS - 1;
+		}
+
+		PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+		StrcatToParamCode( "vec4 va_r;\n" );
+	}
+
+	char *pTempVarStr = "TEMP";
+	pTempVarStr = "vec4";
+	
+	// Declare temps in Param code buffer
+	for( int i=0; i<32; i++ )
+	{
+		if ( m_dwTempUsageMask & ( 0x00000001 << i ) )
+		{
+			PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+			PrintToBuf( *m_pBufParamCode, "%s r%d;\n", pTempVarStr, i );
+		}
+	}
+
+	if ( m_bVertexShader && (m_bDoUserClipPlanes || m_bDoFixupZ  || m_bDoFixupY ) )
+	{
+		PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+		StrcatToParamCode( "vec4 vTempPos;\n" );
+	}
+
+	if ( ( m_bVertexShader ) && ( m_dwMajorVersion == 3 ) )
+	{
+		for ( int i = 0; i < 32; i++ )
+		{
+			if ( m_dwTexCoordOutMask & ( 1 << i ) )
+			{
+				PrintIndentation( (char*)m_pBufParamCode->Base(), m_pBufParamCode->Size() );
+
+				char buf[256];
+				V_snprintf( buf, sizeof( buf ), "vec4 oTempT%i = vec4( 0, 0, 0, 0 );\n", i );
+				StrcatToParamCode( buf );
+			}
+		}
+	}
+
+	if ( m_bNeedsSinCosDeclarations )
+	{
+		StrcatToParamCode( "vec3 vSinCosTmp;\n" ); // declare temp used by GLSL sin and cos intrinsics
+	}
+
+	// Optional temps needed to emulate d2add instruction in DX pixel shaders
+	if ( m_bNeedsD2AddTemp )
+	{
+		PrintToBuf( *m_pBufParamCode, "%s DP2A0;\n%s DP2A1;\n", pTempVarStr, pTempVarStr );
+	}
+
+	// Optional temp needed to emulate lerp instruction in DX vertex shaders
+	if ( m_bNeedsLerpTemp )
+	{
+		PrintToBuf( *m_pBufParamCode, "%s LRP_TEMP;\n", pTempVarStr );
+	}
+
+	// Optional temp needed to emulate NRM instruction in DX shaders
+	if ( m_bNeedsNRMTemp )
+	{
+		PrintToBuf( *m_pBufParamCode, "%s NRM_TEMP;\n", pTempVarStr );
+	}
+		
+	if ( m_bDeclareVSOPos && m_bVertexShader )
+	{
+		if ( m_bDoUserClipPlanes )
+		{
+			StrcatToALUCode( "gl_ClipVertex = vTempPos;\n" ); // if user clip is enabled, jam clip space position into gl_ClipVertex
+		}
+		
+		if ( m_bDoFixupZ  || m_bDoFixupY )
+		{
+			// TODO: insert clip distance computation something like this:
+			//
+			// StrcatToALUCode( "DP4 oCLP[0].x, oPos, vc[215]; \n" );
+			//
+
+			if ( m_bDoFixupZ )
+			{
+				StrcatToALUCode( "vTempPos.z = vTempPos.z * vc[0].z - vTempPos.w; // z' = (2*z)-w\n" );
+			}
+
+			if ( m_bDoFixupY )
+			{
+				// append instructions to flip Y over
+				// new Y = -(old Y)
+				StrcatToALUCode( "vTempPos.y = -vTempPos.y; // y' = -y \n" );
+			}
+
+			// Apply half pixel offset (0.5f pixel offset D3D) to output vertices to account for the pixel center difference between D3D9 and OpenGL.
+			// This is the actual work in the shader. This works out to be 0.5 pixels wide because clip space is 2 units wide (-1, 1).
+			StrcatToALUCode( "vTempPos.xy += vcscreen.xy * vTempPos.w;\n" );
+
+			StrcatToALUCode( "gl_Position = vTempPos;\n" );
+		}
+		else
+		{
+			StrcatToParamCode( "OUTPUT oPos = result.position;\n" );
+
+			// TODO: insert clip distance computation something like this:
+			//
+			// StrcatToALUCode( "DP4 oCLP[0].x, oPos, c[215]; \n" );
+			//
+		}
+	}
+		
+	if ( m_bVertexShader )
+	{
+		if ( m_dwMajorVersion == 3 )
+		{
+			WriteGLSLOutputVariableAssignments();
+		}
+		else
+		{
+			for ( int i=0; i<32; i++ )
+			{
+				char outTexCoordBuff[64];
+
+				// Don't declare a varying for the output that is mapped to the position output
+				if ( i != m_nVSPositionOutput )
+				{
+					if ( m_dwTexCoordOutMask & ( 0x00000001 << i ) )
+					{
+						if ( m_nCentroidMask & ( 0x00000001 << i ) )
+						{
+							V_snprintf( outTexCoordBuff, sizeof( outTexCoordBuff ), "centroid varying vec4 oT%d;\n", i ); // centroid varying
+							StrcatToHeaderCode( outTexCoordBuff );
+						}
+						else
+						{
+							V_snprintf( outTexCoordBuff, sizeof( outTexCoordBuff ), "varying vec4 oT%d;\n", i );
+							StrcatToHeaderCode( outTexCoordBuff );
+						}
+					}
+				}
+			}			
+		}
+	}
+	else 
+	{
+		if ( m_dwMajorVersion == 3 )
+		{
+			WriteGLSLInputVariableAssignments();
+		}
+	}
+		
+	// do some annotation at the end of the attrib block
+	{
+		char temp[1000];
+
+		if ( m_bVertexShader )
+		{
+			// write attrib map into the text starting at pAttribMapStart - two hex digits per attrib
+			for( int i=0; i<16; i++ )
+			{
+				if ( m_dwAttribMap[i] != 0xFFFFFFFF )
+				{
+					V_snprintf( temp, sizeof(temp), "%02X", m_dwAttribMap[i] );
+					memcpy( pAttribMapStart + (i*3), temp, 2 );
+				}
+			}
+		}
+
+		PrintIndentation( (char*)m_pBufAttribCode->Base(), m_pBufAttribCode->Size() );
+				
+		// This used to write out a translation counter into the shader as a comment. However, the order that shaders get in here 
+		// is non-deterministic between runs, and the change in this comment would cause shaders to appear different to the GL disk cache,
+		// significantly increasing app load time.
+		// Other code looks for trans#%d, so we can't just remove it. Instead, output it as 0.
+		V_snprintf( temp, sizeof(temp), "%s trans#%d label:%s\n", "//", 0, debugLabel ? debugLabel : "none" );
+		StrcatToAttribCode( temp );
+	}
+
+	// If we actually sample from a shadow depth sampler, we need to declare the shadow option at the top
+	if ( m_bDeclareShadowOption )
+	{
+		StrcatToHeaderCode( "OPTION ARB_fragment_program_shadow;\n" );
+	}
+
+	StrcatToHeaderCode( "\nvoid main()\n{\n" );
+	if ( m_bUsedAtomicTempVar )
+	{
+		PrintToBufWithIndents( *m_pBufHeaderCode, "vec4 %s;\n\n", g_pAtomicTempVarName );
+	}
+	
+	// sRGB Write suffix
+	if ( m_bGenerateSRGBWriteSuffix )
+	{
+		StrcatToALUCode( "vec3 sRGBFragData;\n" );
+		StrcatToALUCode( "sRGBFragData.xyz = log( gl_FragData[0].xyz );\n" );
+		StrcatToALUCode( "sRGBFragData.xyz = sRGBFragData.xyz * vec3( 0.454545f, 0.454545f, 0.454545f );\n" );
+		StrcatToALUCode( "sRGBFragData.xyz = exp( sRGBFragData.xyz );\n" );
+		StrcatToALUCode( "gl_FragData[0].xyz = mix( gl_FragData[0].xyz, sRGBFragData, flSRGBWrite );\n" );
+	}
+
+	strcat_s( (char*)m_pBufALUCode->Base(), m_pBufALUCode->Size(), "}\n" );
+	
+	// Put all of the strings together for final program ( pHeaderCode + pAttribCode + pParamCode + pALUCode )
+	StrcatToHeaderCode( (char*)m_pBufAttribCode->Base() );
+	StrcatToHeaderCode( (char*)m_pBufParamCode->Base() );
+	StrcatToHeaderCode( (char*)m_pBufALUCode->Base() );
+
+	// Cleanup - don't touch m_pBufHeaderCode, as it is managed by the caller
+	delete m_pBufAttribCode;
+	delete m_pBufParamCode;
+	delete m_pBufALUCode;
+	m_pBufAttribCode = m_pBufParamCode = m_pBufALUCode = NULL;
+
+	if ( m_bSpew )
+	{
+		printf("\n************* translation complete\n\n " );
+	}
+
+	return DISASM_OK;
+}