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rsx/fp: Properly implement PK/UP instructions based on NV_fragment_program documentation

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kd-11 2017-12-01 15:57:28 +03:00
parent bec6c1a939
commit 896c8991de
1 changed files with 11 additions and 7 deletions
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18
rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
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@ -542,11 +542,13 @@ bool FragmentProgramDecompiler::handle_scb(u32 opcode)
case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); return true;
case RSX_FP_OPCODE_MOV: SetDst("$0"); return true;
case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); return true;
case RSX_FP_OPCODE_PK2: SetDst(getFloatTypeName(4) + "(uintBitsToFloat(packSnorm2x16($0.xy)))"); return true;
//Pack operations. See https://www.khronos.org/registry/OpenGL/extensions/NV/NV_fragment_program.txt
case RSX_FP_OPCODE_PK2: SetDst(getFloatTypeName(4) + "(uintBitsToFloat(packHalf2x16($0.xy)))"); return true;
case RSX_FP_OPCODE_PK4: SetDst(getFloatTypeName(4) + "(uintBitsToFloat(packSnorm4x8($0)))"); return true;
case RSX_FP_OPCODE_PK16: SetDst(getFloatTypeName(4) + "(uintBitsToFloat(packHalf2x16($0.xy)))"); return true;
case RSX_FP_OPCODE_PK16: SetDst(getFloatTypeName(4) + "(uintBitsToFloat(packSnorm2x16($0.xy)))"); return true;
case RSX_FP_OPCODE_PKG:
//Should be similar to PKB but with gamma correction, see description of PK4UBG in khronos page
case RSX_FP_OPCODE_PKB: SetDst(getFloatTypeName(4) + "(uintBitsToFloat(packUnorm4x8($0)))"); return true;
case RSX_FP_OPCODE_PKG: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKG"); return true;
case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); return true;
case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); return true;
case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); return true;
@ -662,11 +664,13 @@ bool FragmentProgramDecompiler::handle_tex_srb(u32 opcode)
return true;
}
return false;
case RSX_FP_OPCODE_UP2: SetDst("unpackSnorm2x16(floatBitsToUint($0.x)).xyxy"); return true; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
case RSX_FP_OPCODE_UP4: SetDst("unpackSnorm4x8(floatBitsToUint($0.x))"); return true; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
case RSX_FP_OPCODE_UP16: SetDst("unpackHalf2x16(floatBitsToUint($0.x)).xyxy"); return true;
//Unpack operations. See https://www.khronos.org/registry/OpenGL/extensions/NV/NV_fragment_program.txt
case RSX_FP_OPCODE_UP2: SetDst("unpackHalf2x16(floatBitsToUint($0.x)).xyxy"); return true;
case RSX_FP_OPCODE_UP4: SetDst("unpackSnorm4x8(floatBitsToUint($0.x))"); return true;
case RSX_FP_OPCODE_UP16: SetDst("unpackSnormx16(floatBitsToUint($0.x)).xyxy"); return true;
case RSX_FP_OPCODE_UPG:
//Same as UPB with gamma correction
case RSX_FP_OPCODE_UPB: SetDst("(unpackUnorm4x8(floatBitsToUint($0.x)))"); return true;
case RSX_FP_OPCODE_UPG: LOG_ERROR(RSX, "Unimplemented TEX_SRB instruction: UPG"); return true;
}
return false;
};