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Cxbx-Reloaded
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Finished translation of functional part of Dxbx Pixel Shader conversion code. 

(Albeit PSH_XBOX_SHADER::DecodedToString is still incomplete).
This commit is contained in:
PatrickvL 2017-09-18 15:08:27 +02:00
parent 2149e4a4a5
commit 6d131d5fc0
1 changed files with 66 additions and 65 deletions
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97
src/CxbxKrnl/EmuD3D8/PixelShader.cpp
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@ -882,13 +882,16 @@ struct PSH_XBOX_SHADER {
void InsertIntermediate(PPSH_INTERMEDIATE_FORMAT pIntermediate, int Index);
void DeleteIntermediate(int Index);
void DeleteLastIntermediate();
std::string OriginalToString(XTL::X_D3DPIXELSHADERDEF *pPSDef);
std::string static OriginalToString(XTL::X_D3DPIXELSHADERDEF *pPSDef);
PSH_RECOMPILED_SHADER Decode(XTL::X_D3DPIXELSHADERDEF *pPSDef);
std::string DecodedToString(XTL::X_D3DPIXELSHADERDEF *pPSDef);
bool _NextIs2D(int Stage);
bool DecodeTextureModes(XTL::X_D3DPIXELSHADERDEF *pPSDef);
bool MoveRemovableParametersRight();
void ConvertXboxOpcodesToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef);
void _SetColor(/*var OUT*/PSH_INTERMEDIATE_FORMAT &NewIns, XTL::D3DCOLOR ConstColor);
int _MapConstant(int ConstNr, bool *NativeConstInUse);
int _HandleConst(int XboxConst, /*var OUT*/PSH_RECOMPILED_SHADER *Recompiled, bool *NativeConstInUse, bool *EmittedNewConstant);
bool ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef, /*var OUT*/PSH_RECOMPILED_SHADER *Recompiled);
bool RemoveUselessWrites();
bool IsRegisterFreeFromIndexOnwards(int aIndex, PSH_ARGUMENT_TYPE aRegType, int16 aAddress);
@ -1493,9 +1496,9 @@ void PSH_INTERMEDIATE_FORMAT::Initialize(const PSH_OPCODE aOpcode)
std::string PSH_INTERMEDIATE_FORMAT::ToString()
{
std::string Result;
int i;
char SeparatorChar;
std::string Result;
if (Opcode == PO_COMMENT)
{
@ -1866,8 +1869,8 @@ bool PSH_INTERMEDIATE_FORMAT::DecodeFinalCombiner(DWORD aPSFinalCombinerInputsAB
std::string PSH_XBOX_SHADER::ToString()
{
int i;
std::string Result;
int i;
// First things first, set the pixel shader version
// 1.1 allows reading from 2 textures (which we use in 'cnd') and reading from the .b (blue) channel
@ -1934,7 +1937,7 @@ void PSH_XBOX_SHADER::DeleteLastIntermediate()
DeleteIntermediate(IntermediateCount - 1);
}
std::string PSH_XBOX_SHADER::OriginalToString(XTL::X_D3DPIXELSHADERDEF *pPSDef)
std::string PSH_XBOX_SHADER::OriginalToString(XTL::X_D3DPIXELSHADERDEF *pPSDef) // static
{
char buffer[4096];
return std::string(buffer, sprintf(buffer, "PSAphaInputs[8] = 0x%.08X 0x%.08X 0x%.08X 0x%.08X 0x%.08X 0x%.08X 0x%.08X 0x%.08X\n"
@ -2241,9 +2244,9 @@ std::string PSH_XBOX_SHADER::DecodedToString(XTL::X_D3DPIXELSHADERDEF *pPSDef)
_AddStr("Offset of D3D constant for (C1: %d", FinalCombiner.FinalCombinerC1Mapping);
_AddStr("Adjust texture flag: %s", PS_GlobalFlagsStr[PS_GLOBALFLAGS(FinalCombiner.dwPS_GLOBALFLAGS)]);
}
#endif
_AddStr("\n");
#endif
return Result;
}
@ -2402,26 +2405,16 @@ bool PSH_XBOX_SHADER::MoveRemovableParametersRight()
return Result;
} // MoveRemovableParametersRight
bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef, /*var OUT*/PSH_RECOMPILED_SHADER *Recompiled)
{
bool Result;
#if 0 // Dxbx
int i, j;
PPSH_INTERMEDIATE_FORMAT Cur;
PPSH_IMD_ARGUMENT CurArg;
bool NativeConstInUse[PSH_PC_MAX_C_REGISTER_COUNT];
int16 OriginalConstantNr;
bool EmittedNewConstant;
PSH_INTERMEDIATE_FORMAT NewIns;
//bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef, /*var OUT*/PSH_RECOMPILED_SHADER *Recompiled)
void _SetColor(/*var OUT*/PSH_INTERMEDIATE_FORMAT &NewIns, D3DCOLOR ConstColor)
void PSH_XBOX_SHADER::_SetColor(/*var OUT*/PSH_INTERMEDIATE_FORMAT &NewIns, XTL::D3DCOLOR ConstColor)
{
D3DCOLORVALUE XColor;
XTL::D3DXCOLOR XColor;
// Colors are defined in RGBA format, and range 0.0 - 1.0 (negative values
// can be obtained by supplying PS_INPUTMAPPING_SIGNED_NEGATE to the combiner
// that reads from these constants).
XColor = D3DXColorFromDWord(ConstColor);
XColor = ConstColor;
NewIns.Parameters[0].SetConstValue(XColor.r);
NewIns.Parameters[1].SetConstValue(XColor.g);
NewIns.Parameters[2].SetConstValue(XColor.b);
@ -2429,7 +2422,7 @@ bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef,
}
// Try to fixup constants above the limit (c7 for PS.1.3) :
int _MapConstant(int ConstNr)
int PSH_XBOX_SHADER::_MapConstant(int ConstNr, bool *NativeConstInUse)
{
// 1-to-1 mapping for constants that can be supported native (if not used already) :
if ((ConstNr < PSH_PC_MAX_C_REGISTER_COUNT) && (!NativeConstInUse[ConstNr]))
@ -2455,27 +2448,36 @@ bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef,
return Result;
}
int _HandleConst(int XboxConst)
int PSH_XBOX_SHADER::_HandleConst(int XboxConst, /*var OUT*/PSH_RECOMPILED_SHADER *Recompiled, bool *NativeConstInUse, bool *EmittedNewConstant)
{
int NativeConst;
if (!Recompiled.ConstInUse[XboxConst])
if (!Recompiled->ConstInUse[XboxConst])
{
// Determine and remember a new mapping to native :
NativeConst = _MapConstant(XboxConst);
NativeConst = _MapConstant(XboxConst, NativeConstInUse);
NativeConstInUse[NativeConst] = true;
Recompiled.ConstMapping[XboxConst] = NativeConst;
Recompiled.ConstInUse[XboxConst] = true;
Recompiled->ConstMapping[XboxConst] = NativeConst;
Recompiled->ConstInUse[XboxConst] = true;
// Make sure we can check this is a new constant (so we can emit a constant declaration
// for any final combiner constants - because those cannot be set via SetPixelShaderConstant) :
EmittedNewConstant = true;
*EmittedNewConstant = true;
}
// Return the (previously) determined mapping :
return Recompiled.ConstMapping[XboxConst];
return Recompiled->ConstMapping[XboxConst];
}
bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef, /*var OUT*/PSH_RECOMPILED_SHADER *Recompiled)
{
int i, j;
PPSH_INTERMEDIATE_FORMAT Cur;
PPSH_IMD_ARGUMENT CurArg;
bool NativeConstInUse[PSH_PC_MAX_C_REGISTER_COUNT] = {};
int16 OriginalConstantNr;
bool EmittedNewConstant = false;
PSH_INTERMEDIATE_FORMAT NewIns;
bool Result = false;
// Note : Recompiled.ConstMapping and Recompiled.ConstInUse[i] are still empty here.
@ -2499,7 +2501,7 @@ bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef,
if (CurArg->Mask != MASK_A)
{
CurArg->Type = PARAM_C;
CurArg->Address = _HandleConst(PSH_XBOX_CONSTANT_FOG);
CurArg->Address = _HandleConst(PSH_XBOX_CONSTANT_FOG, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
CurArg->Mask = CurArg->Mask & (!MASK_A);
}
else
@ -2529,16 +2531,16 @@ bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef,
{
// The final combiner has a separate C0 constant :
if (Cur->CombinerStageNr == XFC_COMBINERSTAGENR)
CurArg->Address = _HandleConst(PSH_XBOX_CONSTANT_FC0)
CurArg->Address = _HandleConst(PSH_XBOX_CONSTANT_FC0, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
else
{
// See if C0 has a unique index per combiner stage :
if (CombinerHasUniqueC0)
// C0 actually ranges from c0 to c7, one for each possible combiner stage (X_D3DRS_PSCONSTANT0_0..X_D3DRS_PSCONSTANT0_7) :
CurArg->Address = _HandleConst(Cur->CombinerStageNr);
CurArg->Address = _HandleConst(Cur->CombinerStageNr, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
else
// Non-unique just reads the same C0 in every stage :
CurArg->Address = _HandleConst(0);
CurArg->Address = _HandleConst(0, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
}
break;
}
@ -2547,16 +2549,16 @@ bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef,
{
// The final combiner has a separate C1 constant :
if (Cur->CombinerStageNr == XFC_COMBINERSTAGENR)
CurArg->Address = _HandleConst(PSH_XBOX_CONSTANT_FC1);
CurArg->Address = _HandleConst(PSH_XBOX_CONSTANT_FC1, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
else
{
// See if C1 has a unique index per combiner stage :
if (CombinerHasUniqueC1)
// C1 actually ranges from c8 to c15, one for each possible combiner stage (X_D3DRS_PSCONSTANT1_0..X_D3DRS_PSCONSTANT1_7) :
CurArg->Address = _HandleConst(Cur->CombinerStageNr + 8);
CurArg->Address = _HandleConst(Cur->CombinerStageNr + 8, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
else
// Non-unique just reads the same C1 in every stage :
CurArg->Address = _HandleConst(1);
CurArg->Address = _HandleConst(1, Recompiled, &NativeConstInUse[0], &EmittedNewConstant);
}
break;
}
@ -2571,15 +2573,15 @@ bool PSH_XBOX_SHADER::ConvertConstantsToNative(XTL::X_D3DPIXELSHADERDEF *pPSDef,
NewIns.Initialize(PO_DEF);
NewIns.Output[0].SetRegister(PARAM_C, CurArg->Address, MASK_RGBA);
if (OriginalConstantNr == 0)
_SetColor(NewIns, pPSDef.PSFinalCombinerConstant0);
_SetColor(NewIns, pPSDef->PSFinalCombinerConstant0);
else
_SetColor(NewIns, pPSDef.PSFinalCombinerConstant1);
_SetColor(NewIns, pPSDef->PSFinalCombinerConstant1);
InsertIntermediate(&NewIns, 0);
}
} // for arguments
} // for opcodes
#endif // Dxbx
return Result;
} // ConvertConstantsToNative
@ -3537,6 +3539,7 @@ bool PSH_XBOX_SHADER::FixupPixelShader()
{
int i;
PPSH_INTERMEDIATE_FORMAT Cur;
bool Result = RemoveNops();
// TODO : Fixup writes to read-only registers (V0, V1) via another free register (if possible)
@ -3799,8 +3802,8 @@ void RPSInputRegister::Decode(uint8 Value, bool aIsAlpha)
std::string RPSInputRegister::DecodedToString()
{
std::string InputMappingStr = "";
std::string Result;
std::string InputMappingStr = "";
switch (Reg) {
case PS_REGISTER_ZERO:
{
@ -3916,23 +3919,21 @@ void RPSFinalCombiner::Decode(const DWORD PSFinalCombinerInputsABCD, const DWORD
dwPS_GLOBALFLAGS = (PSFinalCombinerConstants >> 8) & 0x1;
}
static int PshNumber = 0; // Keep track of how many pixel shaders we've attempted to convert.
void XTL_DumpPixelShaderToFile(XTL::X_D3DPIXELSHADERDEF *pPSDef)
{
PSH_XBOX_SHADER PSH;
char szPSDef[32];
FILE *out_;
static int PshNumber = 0; // Keep track of how many pixel shaders we've attempted to convert.
// Don't dump more than 100 shaders, to prevent cluttering the filesystem :
if (PshNumber >= 100)
return;
sprintf(szPSDef, "PSDef%.03d.txt", PshNumber); ++PshNumber;
out_ = fopen(szPSDef, "w");
if (out_)
char szPSDef[32];
sprintf(szPSDef, "PSDef%.03d.txt", PshNumber++);
FILE* out = fopen(szPSDef, "w");
if (out)
{
fprintf(out_, PSH.OriginalToString(pPSDef).c_str());
fclose(out_);
fprintf(out, PSH_XBOX_SHADER::OriginalToString(pPSDef).c_str());
fclose(out);
}
}