//------------------------------------------------------------------------------ // DX9AsmToGL2.cpp //------------------------------------------------------------------------------ #include "dxabstract.h" #include "dx9asmtogl2.h" void Error( const char *fmt, ... ) { } #define DST_REGISTER 0 #define SRC_REGISTER 1 // Tracking and naming sampler dimensions #define SAMPLER_TYPE_2D 0 #define SAMPLER_TYPE_CUBE 1 #define SAMPLER_TYPE_3D 2 #define SAMPLER_TYPE_UNUSED 3 // Flags to PrintUsageAndIndexToString. #define SEMANTIC_OUTPUT 0x01 #define SEMANTIC_INPUT 0x02 #define UNDECLARED_OUTPUT 0xFFFFFFFF #ifndef POSIX #define Debugger() Assert(0) #endif static const 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 const 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 const char *g_szDefaultSwizzle = "xyzw"; static const char *g_szDefaultSwizzleStrings[] = { "x", "y", "z", "w" }; static const 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 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, '.' ); // The test against ')' here is for stuff like vec4( gl_Normal, 0.0 ) - we want to treat that as a whole param name. if ( pDot && strrchr( pParam, ')' ) < pDot && strrchr( pParam, ']' ) < pDot ) return pDot; else 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 ) return V_strlen( pDot + 1 ); else 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 ) { strncat( pOut, pDot, nOutLen - strlen( pOut ) - 1 ); } } void GetParamNameWithoutSwizzle( const char *pParam, char *pOut, int nOutLen ) { const char *pDot = GetSwizzleDot( pParam ); // The test against ')' here is for stuff like vec4( gl_Normal, 0.0 ) - we want to treat that as a whole param name. if ( pDot ) { int nToCopy = std::min( nOutLen-1, pDot - pParam ); memcpy( pOut, pParam, nToCopy ); pOut[nToCopy] = 0; } else { V_strncpy( pOut, pParam, 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 ) { GetParamNameWithoutSwizzle( pParam, pOut, nOutLen ); PrintToBuf( pOut, nOutLen, "." ); PrintToBuf( pOut, nOutLen, "%c", GetSwizzleComponent( pParam, n ) ); } float uint32ToFloat( uint32 dw ) { return *((float*)&dw); } CUtlString EnsureNumSwizzleComponents( const char *pStr, int nComponents ) { int nExisting = GetNumSwizzleComponents( pStr ); if ( nExisting == nComponents ) return pStr; char szReg[256]; GetParamNameWithoutSwizzle( pStr, 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( pStr, 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, pStr, sizeof( szReg ) ); char cLast = pStr[ V_strlen( pStr ) - 1 ]; for ( int i=nExisting; i < nComponents; i++ ) { PrintToBuf( szReg, sizeof( szReg ), "%c", cLast ); } } } return szReg; } 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 { 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 { 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 { 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: Assert(0); V_snprintf( buff, nBufLen, "lit( " ); // gonna have to write this one break; case D3DSIO_DST: Assert(0); 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: Assert(0); 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: Assert(0); break; case D3DSIO_POW: V_snprintf( buff, nBufLen, "pow( " ); break; case D3DSIO_CRS: V_snprintf( buff, nBufLen, "cross( " ); break; case D3DSIO_SGN: Assert(0); V_snprintf( buff, nBufLen, "sign( " ); break; case D3DSIO_ABS: V_snprintf( buff, nBufLen, "abs( " ); break; case D3DSIO_NRM: Assert( 0 ); V_snprintf( buff, nBufLen, "normalize( " ); break; case D3DSIO_SINCOS: Assert( 0 ); 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 Assert(0); break; case D3DSIO_DEFB: case D3DSIO_DEFI: Assert(0); 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: Assert(0); 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: Assert(0); break; case D3DSIO_EXPP: V_snprintf( buff, nBufLen, "exp( " ); break; case D3DSIO_LOGP: V_snprintf( buff, nBufLen, "log( " ); break; case D3DSIO_CND: Assert(0); break; case D3DSIO_DEF: Assert(0); V_snprintf( buff, nBufLen, "DEF" ); break; case D3DSIO_TEXREG2RGB: case D3DSIO_TEXDP3TEX: case D3DSIO_TEXM3x2DEPTH: case D3DSIO_TEXDP3: case D3DSIO_TEXM3x3: Assert(0); break; case D3DSIO_TEXDEPTH: V_snprintf( buff, nBufLen, "texdepth" ); break; case D3DSIO_CMP: Assert(0); Assert( !m_bVertexShader ); V_snprintf( buff, nBufLen, "CMP" ); break; case D3DSIO_BEM: Assert(0); break; case D3DSIO_DP2ADD: Assert(0); break; case D3DSIO_DSX: case D3DSIO_DSY: Assert(0); break; case D3DSIO_TEXLDD: V_snprintf( buff, nBufLen, "texldd" ); break; case D3DSIO_SETP: Assert(0); break; case D3DSIO_TEXLDL: V_snprintf( buff, nBufLen, "texldl" ); break; case D3DSIO_BREAKP: case D3DSIO_PHASE: Assert(0); 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" ); Assert(0); 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: Assert(0); 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: Assert(0); V_snprintf( buff, nBufLen, "SGN" ); break; case D3DSIO_ABS: V_snprintf( buff, nBufLen, "ABS" ); break; case D3DSIO_NRM: Assert( 0 ); 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: Assert(0); 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: Assert(0); 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: Assert(0); break; case D3DSIO_EXPP: V_snprintf( buff, nBufLen, "EXP" ); break; case D3DSIO_LOGP: V_snprintf( buff, nBufLen, "LOG" ); break; case D3DSIO_CND: Assert(0); 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: Assert(0); 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: Assert(0); break; case D3DSIO_DP2ADD: Assert(0); break; case D3DSIO_DSX: case D3DSIO_DSY: Assert(0); break; case D3DSIO_TEXLDD: V_snprintf( buff, nBufLen, "texldd" ); break; case D3DSIO_SETP: Assert(0); break; case D3DSIO_TEXLDL: V_snprintf( buff, nBufLen, "texldl" ); break; case D3DSIO_BREAKP: case D3DSIO_PHASE: Assert(0); 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_bGLSL ) { 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" ); } } else { V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[0]" ); //"vertex.position" ); // aka generic [0] } 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, m_bGLSL ? "vec4( gl_Normal, 0.0 )" : "vertex.attrib[2]" ); break; case D3DDECLUSAGE_PSIZE: Assert(0); V_snprintf( strUsageUsageIndexName, nBufLen, "_psize" ); // no analog break; case D3DDECLUSAGE_TEXCOORD: if ( m_bGLSL ) { // GLSL vs output and ps inputs reference gl_TexCoord[n], not gl_MultiTexCoord. if ( !m_bVertexShader || (fSemanticFlags & SEMANTIC_OUTPUT) ) V_snprintf( strUsageUsageIndexName, nBufLen, "gl_TexCoord[%d]", dwUsageIndex ); else V_snprintf( strUsageUsageIndexName, nBufLen, "gl_MultiTexCoord%d", dwUsageIndex ); } else { V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[%d]", 8+dwUsageIndex ); // "vertex.texcoord[%d]", dwUsageIndex ); // aka [8] - [15] ? } break; case D3DDECLUSAGE_TANGENT: if ( m_bGLSL ) { NoteTangentInputUsed(); V_strncpy( strUsageUsageIndexName, g_pTangentAttributeName, nBufLen ); } else { V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[15]" ); // aka texc[7] } break; case D3DDECLUSAGE_BINORMAL: V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[14]" ); // aka texc[6] break; // case D3DDECLUSAGE_TESSFACTOR: // Assert(0); // V_snprintf( strUsageUsageIndexName, nBufLen, "_position" ); // no analog // break; // case D3DDECLUSAGE_POSITIONT: // Assert(0); // V_snprintf( strUsageUsageIndexName, nBufLen, "_positiont" ); // no analog // break; case D3DDECLUSAGE_COLOR: if ( m_bGLSL ) { // 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" ); } else { V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[%d]", 3+dwUsageIndex ); //dwUsageIndex ); // != 0 ? "vertex.color.secondary" : "vertex.color" ); // aka [3] / [4] (second) } break; case D3DDECLUSAGE_FOG: Assert( !m_bGLSL ); V_snprintf( strUsageUsageIndexName, nBufLen, "vertex.attrib[5]" ); //"vertex.position" /* "_fog" */ ); //FIXME, evil // aka [5] / vertex.fogcoord break; case D3DDECLUSAGE_DEPTH: Assert(0); V_snprintf( strUsageUsageIndexName, nBufLen, "_depth" ); // no analog break; case D3DDECLUSAGE_SAMPLE: Assert(0); 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 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 ) { if ( !m_bGLSL ) return pSrcRegisterName; int nSwizzlesInDest = GetNumSwizzleComponents( pDestRegisterName ); if ( nSwizzlesInDest == 0 ) nSwizzlesInDest = 4; char szFixedSrcRegister[128]; GetParamNameWithoutSwizzle( pSrcRegisterName, szFixedSrcRegister, sizeof( szFixedSrcRegister ) ); strncat( szFixedSrcRegister, ".", sizeof(szFixedSrcRegister) - strlen(szFixedSrcRegister) - 1 ); for ( int i=0; i < nSwizzlesInDest; i++ ) { char chDestWriteMask = GetSwizzleComponent( pDestRegisterName, i ); int nVectorIndex = GetSwizzleComponentVectorIndex( chDestWriteMask ); char ch[2]; ch[0] = GetSwizzleComponent( pSrcRegisterName, nVectorIndex ); ch[1] = 0; strncat( szFixedSrcRegister, ch, sizeof(szFixedSrcRegister) - strlen(szFixedSrcRegister) - 1 ); } SimplifyFourParamRegister( szFixedSrcRegister ); 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 V_snprintf( pRegisterName, nBufLen, "" ); 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_SATURATE && !m_bGLSL ) { strcat_s( pRegisterName, nBufLen, "_SAT" ); } if ( dwToken & D3DSPDM_MSAMPCENTROID) { // strcat_s( pRegisterName, nBufLen, "_centroid" ); } if ( !m_bGLSL ) { strcat_s( pRegisterName, nBufLen, " " ); } } // 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 Assert(0); strcat_s( pRegisterName, nBufLen, "-" ); break; case D3DSPSM_COMP: // complement Assert(0); strcat_s( pRegisterName, nBufLen, "1-" ); break; case D3DSPSM_ABS: // abs() if ( m_bGLSL ) { strcat_s( pRegisterName, nBufLen, "abs(" ); } else if ( !m_bGeneratingDebugText ) { Assert( false ); } break; case D3DSPSM_ABSNEG: // -abs() if ( m_bGLSL ) { strcat_s( pRegisterName, nBufLen, "-abs(" ); } else if ( !m_bGeneratingDebugText ) { Assert( false ); } break; case D3DSPSM_NOT: // for predicate register: "!p0" Assert(0); 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 ) && m_bGLSL ) { V_snprintf( buff, sizeof( buff ), dwRegNum == 0 ? "gl_Color" : "gl_SecondaryColor" ); strcat_s( pRegisterName, nBufLen, buff ); } else if ( m_bVertexShader || ( dwSourceOrDest == SRC_REGISTER ) || m_bGLSL ) { V_snprintf( buff, sizeof( buff ), "v%d", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); } else // asm pixel shader declaration syntax: { V_snprintf( buff, sizeof( buff ), dwRegNum == 0 ? "v0 = fragment.color" : "v1 = fragment.color.secondary" ); strcat_s( pRegisterName, nBufLen, buff ); bAllowWriteMask = false; } 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[3]; if ( m_bVertexShader ) { V_snprintf( szConstantRegName, 3, "vc" ); } else // No indirect addressing in PS, this shouldn't happen { Assert(0); V_snprintf( szConstantRegName, 3, "pc" ); } // Index into single pc/vc[] register array with relative addressing FlagIndirectRegister( GetNextToken(), pARLDestReg ); V_snprintf( buff, sizeof( buff ), m_bGLSL ? "%s[a0 + %d]" : "%s[a0.x + %d]", szConstantRegName, dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); bAllowSwizzle = false; m_nHighestRegister = DXABSTRACT_VS_PARAM_SLOTS - 1; } else // Direct addressing of constant array { char szConstantRegName[3]; V_snprintf( szConstantRegName, 3, m_bVertexShader ? "vc" : "pc" ); // 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 ); //// NOGO if (dwRegNum != 255) // have seen cases where dwRegNum is 0xFF... need to figure out where those opcodes are coming from { m_nHighestRegister = std::max( m_nHighestRegister, dwRegNum ); } Assert( m_nHighestRegister < DXABSTRACT_VS_PARAM_SLOTS ); } break; case D3DSPR_ADDR: // aliases to D3DSPR_TEXTURE if ( m_bVertexShader ) { if ( m_bGLSL ) { Assert( dwRegNum == 0 ); V_snprintf( buff, sizeof( buff ), "va_r" ); } else { V_snprintf( buff, sizeof( buff ), "VA_REG" ); // Move into our temp, rather than a0 } } else // D3DSPR_TEXTURE in the pixel shader { // If dest reg, this is an iterator/varying declaration if ( dwSourceOrDest == DST_REGISTER ) { if ( m_bGLSL ) { // 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 ); } } else { V_snprintf( buff, sizeof( buff ), "t%d = fragment.texcoord[%d]", dwRegNum, dwRegNum ); } bAllowWriteMask = false; } else // source register { if ( m_bGLSL ) { V_snprintf( buff, sizeof( buff ), "oT%d", dwRegNum ); } else { V_snprintf( buff, sizeof( buff ), "t%d", dwRegNum ); } } } strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_RASTOUT: // vertex shader oPos Assert( m_bVertexShader ); switch( dwRegNum ) { case D3DSRO_POSITION: strcat_s( pRegisterName, nBufLen, m_bGLSL ? "vTempPos" : "oPos" ); // In GLSL, this ends up in gl_Position later on m_bDeclareVSOPos = true; break; case D3DSRO_FOG: strcat_s( pRegisterName, nBufLen, m_bGLSL ? "gl_FogFragCoord" : "oFog" ); m_bDeclareVSOFog = true; break; default: printf( "\nD3DSPR_RASTOUT: dwRegNum is %08x and token is %08x", dwRegNum, dwToken ); Assert(0); break; } break; case D3DSPR_ATTROUT: Assert( m_bVertexShader ); if ( m_bGLSL ) { 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" ); } } else { V_snprintf( buff, sizeof( buff ), "oD%d", dwRegNum ); } strcat_s( pRegisterName, nBufLen, buff ); m_bOutputColorRegister[dwRegNum] = true; break; case D3DSPR_TEXCRDOUT: // aliases to D3DSPR_OUTPUT if ( m_bVertexShader ) { if ( m_bGLSL ) { V_snprintf( buff, sizeof( buff ), "oT%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: Assert( m_bGLSL && m_bAllowStaticControlFlow ); 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: if ( m_bGLSL ) { V_snprintf( buff, sizeof( buff ), "gl_FragData[%d]", dwRegNum ); } else { V_snprintf( buff, sizeof( buff ), "oC%d", dwRegNum ); } strcat_s( pRegisterName, nBufLen, buff ); m_bOutputColorRegister[dwRegNum] = true; break; case D3DSPR_DEPTHOUT: V_snprintf( buff, sizeof( buff ), m_bGLSL ? "gl_FragDepth" : "oDepth" ); strcat_s( pRegisterName, nBufLen, buff ); m_bOutputDepthRegister = true; break; case D3DSPR_SAMPLER: V_snprintf( buff, sizeof( buff ), m_bGLSL ? "sampler%d" : "texture[%d]", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_CONST2: Assert(0); V_snprintf( buff, sizeof( buff ), "c%d", dwRegNum+2048); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_CONST3: Assert(0); V_snprintf( buff, sizeof( buff ), "c%d", dwRegNum+4096); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_CONST4: Assert(0); V_snprintf( buff, sizeof( buff ), "c%d", dwRegNum+6144); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_CONSTBOOL: Assert( m_bGLSL && m_bAllowStaticControlFlow ); V_snprintf( buff, sizeof( buff ), "b%d", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); m_dwConstBoolUsageMask |= 0x00000001 << dwRegNum; // Keep track of the use of this bool constant break; case D3DSPR_LOOP: Assert(0); V_snprintf( buff, sizeof( buff ), "aL%d", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_TEMPFLOAT16: Assert(0); V_snprintf( buff, sizeof( buff ), "temp_float16_xxx%d", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_MISCTYPE: if ( !m_bGLSL && !m_bGeneratingDebugText ) { Assert(0); } V_snprintf( buff, sizeof( buff ), "misc%d", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_LABEL: Assert(0); V_snprintf( buff, sizeof( buff ), "label%d", dwRegNum ); strcat_s( pRegisterName, nBufLen, buff ); break; case D3DSPR_PREDICATE: Assert(0); 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 Assert(0); strcat_s( pRegisterName, nBufLen, "_bx2" ); break; case D3DSPSM_SIGN: // sign case D3DSPSM_SIGNNEG: // sign and negate Assert(0); strcat_s( pRegisterName, nBufLen, "_sgn" ); break; case D3DSPSM_X2: // *2 case D3DSPSM_X2NEG: // *2 and negate Assert(0); strcat_s( pRegisterName, nBufLen, "_x2" ); break; case D3DSPSM_ABS: // abs() case D3DSPSM_ABSNEG: // -abs() if ( m_bGLSL ) { strcat_s( pRegisterName, nBufLen, ")" ); } break; case D3DSPSM_DZ: // divide through by z component Assert(0); strcat_s( pRegisterName, nBufLen, "_dz" ); break; case D3DSPSM_DW: // divide through by w component Assert(0); 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 = std::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] ); strncat( szHex, szTemp, sizeof(szHex) - strlen(szHex) - 1 ); } strncat( szHex, "\n", sizeof(szHex) - strlen(szHex) - 1 ); // 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; strncat( pBuffer, &szHex[1], nSize - strlen( pBuffer ) - 1 ); } 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 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_bGLSL ) { if ( m_dwMajorVersion >= 3 && GetRegTypeFromToken( dwRegToken ) == D3DSPR_OUTPUT ) { uint32 dwRegNum = dwRegToken & D3DSP_REGNUM_MASK; 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; if ( m_bAddHexCodeComments ) { CUtlString sParam2 = GetUsageAndIndexString( dwToken, SEMANTIC_OUTPUT ); PrintToBuf( *m_pBufHeaderCode, "// [GL remembering that o%d maps to %s]\n", dwRegNum, sParam2.String() ); } PrintToBuf( *m_pBufHeaderCode, "varying vec4 o%d = vec4( 0.0, 0.0, 0.0, 0.0 );\n", dwRegNum ); } else { 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 // ARB_vertex_program ASM { StrcatToAttribCode( "ATTRIB" ); char buff[64]; PrintParameterToString( dwRegToken, DST_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToAttribCode( buff ); StrcatToAttribCode( " = " ); uint regIndex = MaintainAttributeMap( dwToken, dwRegToken ); char temp[128]; // regnum goes straight into the vertex.attrib[n] index sprintf( temp, "vertex.attrib[%d]; # %08x %08x\n", regIndex, dwToken, dwRegToken ); StrcatToAttribCode( temp ); // ASM // CUtlString sParam1 = GetParameterString( dwRegToken, DST_REGISTER ); // CUtlString sParam2 = GetUsageAndIndexString( dwToken, SEMANTIC_INPUT ); // PrintToBuf( m_pAttribCode, m_nAttribCodeBufSize, "ATTRIB%s = %s;\n", sParam1.String(), sParam2.String() ); } } 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 vaying declaration code { if ( m_bGLSL ) { // In pixel shaders we only declare texture coordinate varyings since they may be using centroid if ( (!m_bVertexShader) && ( GetRegType( dwRegToken ) == D3DSPR_TEXTURE ) ) { char buff[256]; PrintParameterToString( dwRegToken, DST_REGISTER, buff, sizeof( buff ), false, NULL ); PrintToBuf( *m_pBufHeaderCode, "%s;\n",buff ); } } else // asm { char buff[256]; PrintParameterToString( dwRegToken, DST_REGISTER, buff, sizeof( buff ), false, NULL ); PrintToBuf( *m_pBufAttribCode, "ATTRIB%s;\n", buff ); } } } } void D3DToGL::Handle_DEF() { // // 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 ); const char float_fmt[] = "%.12f"; const char float_fmt_commaspace[] = "%.12f, "; // %g causes GLSL compile problems around consts like "1e+2.0" - try %f if ( m_bGLSL ) { PrintToBuf( *m_pBufParamCode, "vec4 %s = vec4( ", sParamName.String() ); // Run through the 4 floats for ( int i=0; i < 4; i++ ) { float fConst = uint32ToFloat( GetNextToken() ); // It must have a decimal point. char szTemp[256]; V_snprintf( szTemp, sizeof( szTemp ), float_fmt, fConst ); StripExtraTrailingZeros( szTemp ); // Turn 1.00000 into 1.0 if ( !strchr( szTemp, '.' ) ) { strncat( szTemp, ".0", sizeof(szTemp) - strlen(szTemp) - 1 ); } PrintToBuf( *m_pBufParamCode, i != 3 ? "%s, " : "%s", szTemp ); // end with comma-space } PrintToBuf( *m_pBufParamCode, " );\n" ); } else { PrintToBuf( *m_pBufParamCode, "PARAM%s = { ", sParamName.String() ); // Run through the 4 floats for ( int i=0; i < 4; i++ ) { float fConst = uint32ToFloat( GetNextToken() ); PrintToBuf( *m_pBufParamCode, i != 3 ? float_fmt_commaspace : float_fmt, fConst ); // 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 ); if ( m_bGLSL ) { sParam2 = FixGLSLSwizzle( sParam1, sParam2 ); sParam3 = FixGLSLSwizzle( sParam1, sParam3 ); sParam4 = FixGLSLSwizzle( sParam1, sParam4 ); PrintToBuf( *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; PrintToBuf( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sParam1.String(), sParam1.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] ); } } else { char buff[256]; PrintOpcode( nInstruction, buff, sizeof( buff ) ); PrintToBuf( *m_pBufALUCode, "%s%s, %s, %s, %s;\n", buff, sParam1.String(), sParam2.String(), sParam3.String(), sParam4.String() ); if ( nDestToken & D3DSPDM_SATURATE ) { // Need to saturate asm! Assert(0); } } } void D3DToGL::Handle_DP2ADD() { char pDestReg[16], pSrc0Reg[16], pSrc1Reg[16], pSrc2Reg[16]; 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 ); if ( m_bGLSL ) { // 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 ); PrintToBuf( *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; PrintToBuf( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", pDestReg, pDestReg, g_szVecZeros[nComponents], g_szVecOnes[nComponents] ); } } else { m_bNeedsD2AddTemp = true; PrintToBuf( *m_pBufALUCode, "MOV DP2A0, %s;\n", pSrc0Reg ); // MOV DP2A0, src0; PrintToBuf( *m_pBufALUCode, "MOV DP2A0.z, 1;\n" ); // MOV DP2A0.z, 1; PrintToBuf( *m_pBufALUCode, "MOV DP2A1, %s;\n", pSrc1Reg ); // MOV DP2A1, src1; PrintToBuf( *m_pBufALUCode, "MOV DP2A1.z, %s;\n", pSrc2Reg ); // MOV DP2A1.z, src2; PrintToBuf( *m_pBufALUCode, "DP3%s, DP2A0, DP2A1;\n", pDestReg ); // DP3 dest, DP2A0, DP2A1; if ( nDestToken & D3DSPDM_SATURATE ) { // Need to saturate asm! Assert(0); } } } void D3DToGL::Handle_SINCOS() { char pDestReg[16], pSrc0Reg[16]; PrintParameterToString( GetNextToken(), DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL ); PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), true, NULL ); m_bNeedsSinCosDeclarations = true; if ( m_bGLSL ) { 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 PrintToBuf( *m_pBufALUCode, "vSinCosTmp.z = %s * %s;\n", sArg0.String(), sArg0.String() ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.zz * scA.xy + scA.wz;\n" ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy * vSinCosTmp.zz + scB.xy;\n" ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy * vSinCosTmp.zz + scB.wz;\n" ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.x = vSinCosTmp.x * %s;\n", sArg0.String() ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy * vSinCosTmp.xx;\n" ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.xy = vSinCosTmp.xy + vSinCosTmp.xy;\n" ); PrintToBuf( *m_pBufALUCode, "vSinCosTmp.x = -vSinCosTmp.x + scB.z;\n" ); PrintToBuf( *m_pBufALUCode, "%s = %s;\n", sDest.String(), sResult.String() ); } else { // This is the code sequence recommended to IHVs by Microsoft in the DirectX 9 DDK: // // http://msdn.microsoft.com/en-us/library/ms800337.aspx // // MUL SC_TEMP.z, src, src; // MAD SC_TEMP.xy, SC_TEMP.z, scA, scA.wzyx; // MAD SC_TEMP.xy, SC_TEMP, SC_TEMP.z, scB; // MAD SC_TEMP.xy, SC_TEMP, SC_TEMP.z, scB.wzyx; // MUL SC_TEMP.x, SC_TEMP.x, src; // MUL SC_TEMP.xy, SC_TEMP, SC_TEMP.x; // ADD SC_TEMP.xy, SC_TEMP, SC_TEMP; // ADD SC_TEMP.x, -SC_TEMP.x, scB.z; StrcatToALUCode( "MUL SC_TEMP.z, " ); // MUL SC_TEMP.z, src, src; StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ", " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ";\n" ); StrcatToALUCode( "MAD SC_TEMP.xy, SC_TEMP.z, scA, scA.wzyx;\n" ); StrcatToALUCode( "MAD SC_TEMP.xy, SC_TEMP, SC_TEMP.z, scB;\n" ); StrcatToALUCode( "MAD SC_TEMP.xy, SC_TEMP, SC_TEMP.z, scB.wzyx;\n" ); StrcatToALUCode( "MUL SC_TEMP.x, SC_TEMP.x, " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ";\n" ); StrcatToALUCode( "MUL SC_TEMP.xy, SC_TEMP, SC_TEMP.x;\n" ); StrcatToALUCode( "ADD SC_TEMP.xy, SC_TEMP, SC_TEMP;\n" ); StrcatToALUCode( "ADD SC_TEMP.x, -SC_TEMP.x, scB.z;\n" ); StrcatToALUCode( "MOV" ); StrcatToALUCode( pDestReg ); StrcatToALUCode( ", SC_TEMP;\n" ); } // Eat two more tokens since D3D defines Taylor series constants that we won't need SkipTokens( 2 ); } void D3DToGL::Handle_LRP( uint32 nInstruction ) { if ( m_bGLSL ) { 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; PrintToBuf( *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; PrintToBuf( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sDest.String(), sDest.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] ); } } else { if ( !m_bVertexShader ) { char buff[256]; PrintOpcode( nInstruction, buff, sizeof( buff ) ); StrcatToALUCode( buff ); PrintParameterToString( GetNextToken(), DST_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ";\n" ); } else // VS doesn't actually have a LRP instruction. Emulate with a SUB and a MAD { char pDestReg[16], pSrc0Reg[16], pSrc1Reg[16], pSrc2Reg[16]; m_bNeedsLerpTemp = true; // dest = src0 * (src1 - src2) + src2; PrintParameterToString( GetNextToken(), 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 ); StrcatToALUCode( "SUB LRP_TEMP, " ); // SUB LRP_TEMP, src1, src2; StrcatToALUCode( pSrc1Reg ); StrcatToALUCode( ", " ); StrcatToALUCode( pSrc2Reg ); StrcatToALUCode( ";\n" ); StrcatToALUCode( "MAD" ); // MAD dst, src0, LRP_TEMP, src2; StrcatToALUCode( pDestReg ); StrcatToALUCode( ", " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ", LRP_TEMP, " ); StrcatToALUCode( pSrc2Reg ); StrcatToALUCode( ";\n" ); } } } 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 ); if ( m_bGLSL ) { Assert( (dwSrc1Token & D3DSP_REGNUM_MASK) < ARRAYSIZE( m_dwSamplerTypes ) ); uint32 nSamplerType = m_dwSamplerTypes[dwSrc1Token & D3DSP_REGNUM_MASK]; if ( nSamplerType == SAMPLER_TYPE_2D ) { CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, 2 ); if ( bIsTexLDL ) { // 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 ) ); strncat( szLOD, szExtra, sizeof(szLOD) - strlen(szLOD) - 1 ); PrintToBuf( *m_pBufALUCode, "%s = texture2DLod( %s, %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String(), szLOD ); } else if ( ( (int) ( dwSrc1Token & D3DSP_REGNUM_MASK ) ) == m_nShadowDepthSampler ) // Syntax for shadow depth sampler { // .z is meant to contain the object depth, while .xy contains the 2D tex coords CUtlString sCoordVar3D = EnsureNumSwizzleComponents( pSrc0Reg, 3 ); PrintToBuf( *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 PrintToBuf( *m_pBufALUCode, "%s = texture2DProj( %s, %s );\n", pDestReg, pSrc1Reg, s4DProjCoords.String() ); } else { PrintToBuf( *m_pBufALUCode, "%s = texture2D( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String() ); } } else if ( nSamplerType == SAMPLER_TYPE_3D ) { CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, 3 ); PrintToBuf( *m_pBufALUCode, "%s = texture3D( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String() ); } else if ( nSamplerType == SAMPLER_TYPE_CUBE ) { CUtlString sCoordVar = EnsureNumSwizzleComponents( pSrc0Reg, 3 ); PrintToBuf( *m_pBufALUCode, "%s = textureCube( %s, %s );\n", pDestReg, pSrc1Reg, sCoordVar.String() ); } else { Error( "TEX instruction: unsupported sampler type used" ); } } else { Assert( !( bIsTexLDL && !m_bGeneratingDebugText ) ); if( ( OpcodeSpecificData( dwToken ) << D3DSP_OPCODESPECIFICCONTROL_SHIFT ) == D3DSI_TEXLD_PROJECT ) { StrcatToALUCode( "TXP" ); } else if( ( OpcodeSpecificData( dwToken ) << D3DSP_OPCODESPECIFICCONTROL_SHIFT) == D3DSI_TEXLD_BIAS ) { StrcatToALUCode( "TXB" ); } else { StrcatToALUCode( "TEX" ); } // Destination StrcatToALUCode( pDestReg ); StrcatToALUCode( ", " ); // Source0 StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ", " ); // Source1 StrcatToALUCode( pSrc1Reg ); StrcatToALUCode( ", " ); // Syntax for shadow depth sampler if ( ( (int) ( dwSrc1Token & D3DSP_REGNUM_MASK ) ) == m_nShadowDepthSampler ) { m_bDeclareShadowOption = true; StrcatToALUCode( "SHADOW" ); // Should result in SHADOW2D target Assert( m_dwSamplerTypes[dwSrc1Token & D3DSP_REGNUM_MASK] == SAMPLER_TYPE_2D ); } // Sampler dimension (2D, CUBE, 3D) determined by earlier declaration StrcatToALUCode( g_szSamplerStrings[m_dwSamplerTypes[dwSrc1Token & D3DSP_REGNUM_MASK]] ); StrcatToALUCode( ";\n" ); } } void D3DToGL::StrcatToHeaderCode( const char *pBuf ) { strcat_s( (char*)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), pBuf ); } void D3DToGL::StrcatToALUCode( const char *pBuf ) { 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 ) { Assert( !m_bGLSL ); // Not supported yet, but can be if we need it. char buff[256]; PrintOpcode( nInstruction, buff, sizeof( buff ) ); StrcatToALUCode( buff ); PrintParameterToString( GetNextToken(), DST_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); PrintParameterToString( GetNextToken(), SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ";\n" ); } void D3DToGL::Handle_TexCoord() { Assert(0); // If ps_1_4, this is texcrd if ( (m_dwMajorVersion == 1) && (m_dwMinorVersion == 4) && (!m_bVertexShader) ) { StrcatToALUCode( "texcrd" ); } else // else it's texcoord { Assert(0); 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::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 ); // DST is a weird one. I haven't seen it used anywhere yet but can add support if necessary. This is what it does: // dest.x = 1; // dest.y = src0.y * src1.y; // dest.z = src0.z; // dest.w = src1.w; Assert( nInstruction != D3DSIO_DST ); // 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 { 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 PrintToBuf( *m_pBufALUCode, "%s = %s %s %s;\n", sParam1.String(), sParam2.String(), GetGLSLOperatorString( nInstruction ), sParam3.String() ); } else { if ( ( nInstruction == D3DSIO_SGE ) || ( nInstruction == D3DSIO_SLT ) ) { sParam2 = FixGLSLSwizzle( sParam1, sParam2 ); sParam3 = FixGLSLSwizzle( sParam1, sParam3 ); } 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 ) ) { PrintToBuf( *m_pBufALUCode, "%s = %s%s >= %s );\n", sParam1.String(), buff, sParam2.String(), sParam3.String() ); } else if ( ( nSrcComponents == 1 ) && ( nInstruction == D3DSIO_SLT ) ) { PrintToBuf( *m_pBufALUCode, "%s = %s%s < %s );\n", sParam1.String(), buff, sParam2.String(), sParam3.String() ); } else { PrintToBuf( *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; PrintToBuf( *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 ) ); PrintToBuf( *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] ) ); PrintToBuf( *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 ); if ( m_bGLSL ) { // 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 ) ); if ( DoParamNamesMatch( pDestReg, pSrc0Reg ) && GetNumSwizzleComponents( pDestReg ) > 1 ) { // So the dest register is the same as the comperand. 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. PrintToBuf( *m_pBufALUCode, "%s = %s;\n", g_pAtomicTempVarName, szDestBase ); char szTempVar[256]; ReplaceParamName( pDestReg, g_pAtomicTempVarName, szTempVar, sizeof( szTempVar ) ); WriteGLSLCmp( szTempVar, pSrc0Reg, pSrc1Reg, pSrc2Reg ); PrintToBuf( *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; PrintToBuf( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", pDestReg, pDestReg, g_szVecZeros[nComponents], g_szVecOnes[nComponents] ); } } else { StrcatToALUCode( "CMP" ); StrcatToALUCode( pDestReg ); StrcatToALUCode( ", " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ", " ); StrcatToALUCode( pSrc2Reg ); // Src 2 | StrcatToALUCode( ", " ); // |--- Swap these guys from Direct3D's convention StrcatToALUCode( pSrc1Reg ); // Src 1 | StrcatToALUCode( ";\n" ); } } void D3DToGL::Handle_NRM() { char pDestReg[64]; char pSrc0Reg[64]; PrintParameterToString( GetNextToken(), DST_REGISTER, pDestReg, sizeof( pDestReg ), false, NULL ); PrintParameterToString( GetNextToken(), SRC_REGISTER, pSrc0Reg, sizeof( pSrc0Reg ), false, NULL ); if ( m_bGLSL ) { CUtlString sSrc = EnsureNumSwizzleComponents( pSrc0Reg, 3 ); PrintToBuf( *m_pBufALUCode, "%s = normalize( %s );\n", pDestReg, sSrc.String() ); } else { m_bNeedsNRMTemp = true; StrcatToALUCode( "DP3 NRM_TEMP.w, " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ", " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ";\nRSQ NRM_TEMP.w, NRM_TEMP.w;\nMUL" ); StrcatToALUCode( pDestReg ); StrcatToALUCode( ", NRM_TEMP.w, " ); StrcatToALUCode( pSrc0Reg ); StrcatToALUCode( ";\n" ); } } void D3DToGL::Handle_UnaryOp( uint32 nInstruction ) { uint32 nDestToken = GetNextToken(); CUtlString sParam1 = GetParameterString( nDestToken, DST_REGISTER, false, NULL ); CUtlString sParam2 = GetParameterString( GetNextToken(), SRC_REGISTER, ( nInstruction == D3DSIO_MOVA) && !m_bGLSL, NULL ); sParam2 = FixGLSLSwizzle( sParam1, sParam2 ); if ( m_bGLSL ) { if ( nInstruction == D3DSIO_MOV ) { PrintToBuf( *m_pBufALUCode, "%s = %s;\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_RSQ ) { PrintToBuf( *m_pBufALUCode, "%s = inversesqrt( %s );\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_RCP ) { PrintToBuf( *m_pBufALUCode, "%s = 1.0 / %s;\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_EXP ) { PrintToBuf( *m_pBufALUCode, "%s = exp2( %s );\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_FRC ) { PrintToBuf( *m_pBufALUCode, "%s = fract( %s );\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_LOG ) // d3d 'log' is log base 2 { PrintToBuf( *m_pBufALUCode, "%s = log2( %s );\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_ABS ) // rbarris did this one, Jason please check { PrintToBuf( *m_pBufALUCode, "%s = abs( %s );\n", sParam1.String(), sParam2.String() ); } else if ( nInstruction == D3DSIO_MOVA ) { m_bDeclareAddressReg = true; PrintToBuf( *m_pBufALUCode, "%s = %s;\n", sParam1.String(), sParam2.String() ); 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; } PrintToBuf( *m_pBufALUCode, "%s = clamp( %s, %s, %s );\n", sParam1.String(), sParam1.String(), g_szVecZeros[nComponents], g_szVecOnes[nComponents] ); } } else { if ( nInstruction == D3DSIO_MOVA ) { m_bDeclareAddressReg = true; m_nHighestRegister = DXABSTRACT_VS_PARAM_SLOTS - 1; Assert( m_nHighestRegister < DXABSTRACT_VS_PARAM_SLOTS ); } char buff[256]; PrintOpcode( nInstruction, buff, sizeof( buff ) ); PrintToBuf( *m_pBufALUCode, "%s%s, %s;\n", buff, sParam1.String(), sParam2.String() ); } } void D3DToGL::WriteGLSLSamplerDefinitions() { int nSamplersWritten = 0; for ( int i=0; i < ARRAYSIZE( m_dwSamplerTypes ); i++ ) { if ( m_dwSamplerTypes[i] == SAMPLER_TYPE_2D ) { if ( i == m_nShadowDepthSampler ) { 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; CUtlString sOutputName = GetUsageAndIndexString( m_DeclaredOutputs[i], SEMANTIC_OUTPUT ); PrintToBuf( *m_pBufAttribCode, "%s = oT%d;\n", sOutputName.String(), i ); } } } void D3DToGL::Handle_DeclarativeNonDclOp( uint32 nInstruction ) { char buff[128]; uint32 dwToken = GetNextToken(); PrintParameterToString( dwToken, DST_REGISTER, buff, sizeof( buff ), false, NULL ); if ( m_bGLSL && 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 ) ); PrintToBuf( *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 ) { switch ( nARLComponent ) { case ARL_DEST_X: strcat_s( ( char * )pCode->Base(), pCode->Size(), m_bGLSL ? "a0 = int( va_r.x );\n" : "ARL a0.x, VA_REG.x;\n" ); break; case ARL_DEST_Y: strcat_s( ( char * )pCode->Base(), pCode->Size(), m_bGLSL ? "a0 = int( va_r.y );\n" : "ARL a0.x, VA_REG.y;\n" ); break; case ARL_DEST_Z: strcat_s( ( char * )pCode->Base(), pCode->Size(), m_bGLSL ? "a0 = int( va_r.z );\n" : "ARL a0.x, VA_REG.z;\n" ); break; case ARL_DEST_W: strcat_s( ( char * )pCode->Base(), pCode->Size(), m_bGLSL ? "a0 = int( va_r.w );\n" : "ARL a0.x, VA_REG.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 */ ) { int nNumSwizzles = 0; if ( nARLComp0 != ARL_DEST_NONE ) nNumSwizzles++; if ( nARLComp1 != ARL_DEST_NONE ) nNumSwizzles++; if ( nARLComp2 != ARL_DEST_NONE ) nNumSwizzles++; // We shouldn't have any more than one indirect address usage in a single instruction Assert( nNumSwizzles <= 1 ); if ( nARLComp0 != ARL_DEST_NONE ) { InsertMoveInstruction( pCode, nARLComp0 ); } else if ( nARLComp1 != ARL_DEST_NONE ) { InsertMoveInstruction( pCode, nARLComp1 ); } else if ( nARLComp2 != ARL_DEST_NONE ) { InsertMoveInstruction( pCode, nARLComp2 ); } } //------------------------------------------------------------------------------ // 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. //------------------------------------------------------------------------------ static int g_translationCounter = 0; int D3DToGL::TranslateShader( uint32* code, CUtlBuffer *pBufDisassembledCode, bool *bVertexShader, uint32 options, int32 nShadowDepthSampler, 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_bGLSL = (options & D3DToGL_OptionGLSL) != 0; m_bAllowStaticControlFlow = m_bGLSL && (options & D3DToGL_OptionAllowStaticControlFlow) != 0; m_bAddHexCodeComments = (options & D3DToGL_AddHexComments) != 0; m_bPutHexCodesAfterLines = (options & D3DToGL_PutHexCommentsAfterLines) != 0; m_bGeneratingDebugText = (options & D3DToGL_GeneratingDebugText) != 0; m_bUseBindableUniforms = (options & D3DToGL_OptionUseBindableUniforms) != 0; m_bGenerateSRGBWriteSuffix = (options & D3DToGL_OptionSRGBWriteSuffix) != 0; m_nLoopDepth = 0; // debugging m_bSpew = (options & D3DToGL_OptionSpew) != 0; // m_bSpew |= (g_translationCounter == 1012 ); // interested in this specific translation run // 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; iBase(), m_pBufHeaderCode->Size(), m_bGLSL ? "#version 120\n%s" : "!!ARBfp1.0\n%s", glslBindableUniformExtText ); m_bVertexShader = false; } else // vertex shader { m_bGenerateSRGBWriteSuffix = false; if ( m_bGLSL ) { V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "#version 120\n%s//ATTRIBMAP-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx\n", glslBindableUniformExtText ); } else // asm { if ( m_bDoUserClipPlanes ) { // include "OPTION NV_vertex_program2;" V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "!!ARBvp1.0\n#//ATTRIBMAP-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx\nOPTION NV_vertex_program2;\n" ); } else { // do not include "OPTION NV_vertex_program2;" V_snprintf( (char *)m_pBufHeaderCode->Base(), m_pBufHeaderCode->Size(), "!!ARBvp1.0\n#//ATTRIBMAP-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx-xx\n" ); } } // 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; 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: case D3DSIO_PHASE: case D3DSIO_RET: case D3DSIO_ENDLOOP: case D3DSIO_BREAK: Assert(0); 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: Assert(0); break; case D3DSIO_IF: Assert( m_bGLSL && m_bAllowStaticControlFlow ); if ( m_bGLSL && m_bAllowStaticControlFlow ) { 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 PrintToBuf( *m_pBufALUCode, "if ( %s ) {\n", buff ); } break; case D3DSIO_ELSE: Assert( m_bGLSL && m_bAllowStaticControlFlow ); if ( m_bGLSL && m_bAllowStaticControlFlow ) { StrcatToALUCode( "}\nelse\n{\n" ); } break; case D3DSIO_ENDIF: Assert( m_bGLSL && m_bAllowStaticControlFlow ); if ( m_bGLSL && m_bAllowStaticControlFlow ) { StrcatToALUCode( "}\n" ); } break; case D3DSIO_REP: // Start a for loop - GLSL only Assert( m_bGLSL && m_bAllowStaticControlFlow ); if ( m_bGLSL && m_bAllowStaticControlFlow ) { 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 PrintToBuf( *m_pBufALUCode, "for( int i=0; i < %s; i++ ) {\n", buff ); 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 ); } break; case D3DSIO_ENDREP: Assert( m_bGLSL && m_bAllowStaticControlFlow ); if ( m_bGLSL && m_bAllowStaticControlFlow ) { m_nLoopDepth--; StrcatToALUCode( "}\n" ); } break; case D3DSIO_NRM: Handle_NRM(); break; case D3DSIO_MOVA: if ( m_bGLSL ) { Handle_UnaryOp( nInstruction ); } else // asm { m_bDeclareAddressReg = true; m_nHighestRegister = DXABSTRACT_VS_PARAM_SLOTS - 1; PrintOpcode( nInstruction, buff, sizeof( buff ) ); StrcatToALUCode( buff ); dwToken = GetNextToken(); PrintParameterToString( dwToken, DST_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ", " ); dwToken = GetNextToken(); PrintParameterToString( dwToken, SRC_REGISTER, buff, sizeof( buff ), false, NULL ); StrcatToALUCode( buff ); StrcatToALUCode( ";\n" ); } 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_IFC: case D3DSIO_BREAKC: case D3DSIO_SETP: Assert(0); 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: if ( m_bGLSL ) { HandleBinaryOp_GLSL( nInstruction ); } else { HandleBinaryOp_ASM( nInstruction ); } break; // -- Ternary ops ------------------------------------------------- case D3DSIO_DP2ADD: Handle_DP2ADD(); break; case D3DSIO_LRP: Handle_LRP( nInstruction ); break; case D3DSIO_SGN: Assert( m_bVertexShader ); Assert(0); // TODO emulate with SLT etc break; case D3DSIO_CND: Assert(0); 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: // Shouldn't be using bool or integer constants Assert(0); 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 ) { if ( m_bGLSL ) { StrcatToParamCode( "vec4 scA = vec4( -1.55009923e-6, -2.17013894e-5, 0.00260416674, 0.00026041668 );\n" ); StrcatToParamCode( "vec4 scB = vec4( -0.020833334, -0.125, 1.0, 0.5 );\n" ); } else { StrcatToParamCode( "PARAM scA = { -1.55009923e-6, -2.17013894e-5, 0.00260416674, 0.00026041668 };\n" ); StrcatToParamCode( "PARAM scB = { -0.020833334, -0.125, 1.0, 0.5 };\n" ); } } // Stick in the sampler mask in hex PrintToBuf( *m_pBufHeaderCode, "%sSAMPLERMASK-%x\n", m_bGLSL ? "//" : "#", m_dwSamplerUsageMask ); // Uniforms if ( m_bGLSL ) { PrintToBuf( *m_pBufHeaderCode, "//HIGHWATER-%d\n", m_nHighestRegister ); PrintToBuf( *m_pBufHeaderCode, "\n%suniform vec4 %s[%d];\n", m_bUseBindableUniforms ? "bindable " : "", m_bVertexShader ? "vc" : "pc", m_nHighestRegister + 1 ); // On GLSL vertex shaders, we may have integer and boolean constants if ( m_bAllowStaticControlFlow && m_bVertexShader ) { for( int i=0; i<32; i++ ) { if ( m_dwConstIntUsageMask & ( 0x00000001 << i ) ) { PrintToBuf( *m_pBufHeaderCode, "uniform int i%d;\n", i ); } } for( int i=0; i<32; i++ ) { if ( m_dwConstBoolUsageMask & ( 0x00000001 << i ) ) { PrintToBuf( *m_pBufHeaderCode, "uniform bool b%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(); } else { PrintToBuf( *m_pBufParamCode, "#HIGHWATER-%d\n", m_nHighestRegister ); PrintToBuf( *m_pBufParamCode, "PARAM %s[%d] = { program.%s[0..%d] };\n", m_bVertexShader ? "vc" : "pc", m_nHighestRegister + 1, m_bUseEnvParams ? "env" : "local", m_nHighestRegister ); } if ( m_bDeclareAddressReg ) { m_nHighestRegister = DXABSTRACT_VS_PARAM_SLOTS - 1; if ( m_bGLSL ) { StrcatToParamCode( "vec4 va_r;\nint a0;\n" ); } else { StrcatToParamCode( "ADDRESS a0;\n" ); StrcatToParamCode( "TEMP VA_REG;\n" ); } } const char *pTempVarStr = "TEMP"; if ( m_bGLSL ) { pTempVarStr = "vec4"; } // Declare temps in Param code buffer for( int i=0; i<32; i++ ) { if ( m_dwTempUsageMask & ( 0x00000001 << i ) ) { PrintToBuf( *m_pBufParamCode, "%s r%d;\n", pTempVarStr, i ); } } if ( m_bGLSL && m_bVertexShader ) { StrcatToParamCode( "vec4 vTempPos;\n" ); } if ( m_bNeedsSinCosDeclarations ) { if ( m_bGLSL ) { StrcatToParamCode( "vec3 vSinCosTmp;\n" ); // declare temp used by GLSL sin and cos intrinsics } else { PrintToBuf( *m_pBufParamCode, "%s SC_TEMP;\n", pTempVarStr ); } } // 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 ); } // Pixel shader color outputs (MRT support?...just declare MRT outputs as useless TEMPS) if ( !m_bGLSL && !m_bVertexShader ) { if ( m_bOutputColorRegister[1] ) { StrcatToParamCode( "TEMP oC1;\n" ); } if ( m_bOutputColorRegister[2] ) { StrcatToParamCode( "TEMP oC2;\n" ); } if ( m_bOutputColorRegister[3] ) { StrcatToParamCode( "TEMP oC3;\n" ); } if ( m_bOutputColorRegister[0] ) { StrcatToParamCode( "OUTPUT oC0 = result.color;\n" ); } } if ( m_bDeclareVSOPos && m_bVertexShader ) { if ( m_bGLSL ) { 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 ) { if ( !m_bGLSL ) { // don't write to real reg - declare a temp and then declare a new output reg oPosGL StrcatToParamCode( "TEMP oPos;\n" ); StrcatToParamCode( "OUTPUT oPosGL = result.position;\n" ); } // TODO: insert clip distance computation something like this: // // StrcatToALUCode( "DP4 oCLP[0].x, oPos, vc[215]; \n" ); // if ( m_bDoFixupZ ) { if ( m_bGLSL ) { StrcatToALUCode( "vTempPos.z = vTempPos.z * vc[0].z - vTempPos.w; // z' = (2*z)-w\n" ); } else { // append instructions to perform Z fixup // new Z = (old Z * 2.0) - W // negate Z, double it, then add the 'w'. // near: Z=0 -> Z' = +1.0. this seems wrong.... // far: Z=1 -> Z' = -1.0 uh, this ain't right... // StrcatToALUCode( "MAD r0.z, -oPos.z, vc[0].z, oPos.w; # z' = (2*-z)+w\n" ); // double Z, subtract 'w'. // near: Z=0 -> Z' = -1.0. // far: Z=1 -> Z' = +1.0 //StrcatToALUCode( "MAD r0.z, oPos.z, vc[0].z, -oPos.w; # z' = (2*z)-w\n" ); StrcatToALUCode( "MAD oPos.z, oPos.z, vc[0].z, -oPos.w; # z' = (2*z)-w\n" ); } } if ( m_bDoFixupY ) { // append instructions to flip Y over // new Y = -(old Y) if ( m_bGLSL ) { StrcatToALUCode( "vTempPos.y = -vTempPos.y; // y' = -y \n" ); } else { StrcatToALUCode( "MOV oPos.y, -oPos.y; # y' = -y \n" ); } } if ( m_bGLSL ) { StrcatToALUCode( "gl_Position = vTempPos;\n" ); } else { StrcatToALUCode( "MOV oPosGL, oPos;\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 && m_bDoUserClipPlanes && !m_bGLSL ) { // insert oCLP generation instructions char temp[256]; if(0) { V_snprintf( temp, sizeof( temp ), "DP4 result.clip[0].x, oPos, c[%d];\n", DXABSTRACT_VS_CLIP_PLANE_BASE ); // ask GLM where to stash the secret params V_snprintf( temp, sizeof( temp ), "DP4 result.clip[1].x, oPos, c[%d];\n", DXABSTRACT_VS_CLIP_PLANE_BASE+1 ); } if(0) { V_snprintf( temp, sizeof( temp ), "DP4 o[CLP0].x, oPos, c[%d];\n", DXABSTRACT_VS_CLIP_PLANE_BASE ); // ask GLM where to stash the secret params V_snprintf( temp, sizeof( temp ), "DP4 o[CLP1].x, oPos, c[%d];\n", DXABSTRACT_VS_CLIP_PLANE_BASE+1 ); } if(1) { V_snprintf( temp, sizeof( temp ), "DP4 oClip0.x, oPos, c[%d];\n", DXABSTRACT_VS_CLIP_PLANE_BASE ); // ask GLM where to stash the secret params V_snprintf( temp, sizeof( temp ), "DP4 oClip1.x, oPos, c[%d];\n", DXABSTRACT_VS_CLIP_PLANE_BASE+1 ); } StrcatToALUCode( temp ); } if ( m_bGLSL ) { if ( m_bVertexShader ) { for ( int i=0; i<32; i++ ) { char outTexCoordBuff[64]; 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 // asm { if ( m_bDeclareVSOFog && m_bVertexShader ) { StrcatToParamCode( "OUTPUT oFog = result.fogcoord;\n" ); } for ( int i=0; i<32; i++ ) { char outTexCoordBuff[64]; if ( m_dwTexCoordOutMask & ( 0x00000001 << i ) ) { V_snprintf( outTexCoordBuff, sizeof( outTexCoordBuff ), "OUTPUT oT%d = result.texcoord[%d];\n", i, i ); StrcatToParamCode( outTexCoordBuff ); } } if ( m_bOutputColorRegister[0] && m_bVertexShader ) { StrcatToParamCode( "OUTPUT oD0 = result.color;\n" ); } if ( m_bOutputColorRegister[1] && m_bVertexShader ) { StrcatToParamCode( "OUTPUT oD1 = result.color.secondary;\n" ); } } if ( m_bOutputDepthRegister && !m_bVertexShader && !m_bGLSL ) { StrcatToParamCode( "OUTPUT oDepth = result.depth;\n" ); } if ( m_bDoUserClipPlanes && m_bVertexShader && !m_bGLSL ) { StrcatToParamCode( "OUTPUT oClip0 = result.clip[0];\n" ); StrcatToParamCode( "OUTPUT oClip1 = result.clip[1];\n" ); } // 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 ); } } } V_snprintf( temp, sizeof(temp), "%s trans#%d label:%s\n", m_bGLSL ? "//" : "#", g_translationCounter, debugLabel ? debugLabel : "none" ); StrcatToAttribCode( temp ); g_translationCounter++; } // 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" ); } if ( m_bGLSL ) { StrcatToHeaderCode( "\nvoid main()\n{\n" ); if ( m_bUsedAtomicTempVar ) { PrintToBuf( *m_pBufHeaderCode, "vec4 %s;\n\n", g_pAtomicTempVarName ); } } // sRGB Write suffix if ( m_bGenerateSRGBWriteSuffix ) { Assert( m_bGLSL ); if ( m_bGLSL ) { 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" ); } } if ( m_bGLSL ) { WriteGLSLOutputVariableAssignments(); StrcatToALUCode( "\n}\n" ); } else { StrcatToALUCode( "END\n\0" ); } // 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; }