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Do some corrections in conversion shader instructions.

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Corrects encodings for I2F, F2F, I2I and F2I
Implements Immediate variants of all four conversion types.
Add assertions to unimplemented stuffs.
This commit is contained in:
Fernando Sahmkow
2019-04-15 19:04:33 -04:00
committed by FernandoS27
parent 1f4dfb3998
commit aa471274d9
2 changed files with 73 additions and 23 deletions
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27
src/video_core/engines/shader_bytecode.h
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@ -917,21 +917,34 @@ union Instruction {
} iset;
union {
BitField<8, 2, Register::Size> dest_size;
BitField<10, 2, Register::Size> src_size;
BitField<12, 1, u64> is_output_signed;
BitField<13, 1, u64> is_input_signed;
BitField<41, 2, u64> selector;
BitField<41, 2, u64> selector; // i2i and i2f only
BitField<45, 1, u64> negate_a;
BitField<49, 1, u64> abs_a;
BitField<10, 2, Register::Size> src_size;
BitField<13, 1, u64> is_input_signed;
BitField<8, 2, Register::Size> dst_size;
BitField<12, 1, u64> is_output_signed;
union {
BitField<39, 2, u64> tab5cb8_2;
} i2f;
union {
BitField<39, 2, F2iRoundingOp> rounding;
} f2i;
union {
BitField<39, 4, F2fRoundingOp> rounding;
BitField<8, 2, Register::Size> src_size;
BitField<10, 2, Register::Size> dst_size;
BitField<39, 4, u64> rounding;
// H0, H1 extract for F16 missing
BitField<41, 1, u64> selector; // Guessed as some games set it, TODO: reverse this value
F2fRoundingOp GetRoundingMode() const {
constexpr u64 rounding_mask = 0x0B;
return static_cast<F2fRoundingOp>(rounding.Value() & rounding_mask);
}
} f2f;
} conversion;
union {
@ -1678,7 +1691,7 @@ private:
INST("0011100-00101---", Id::SHR_IMM, Type::Shift, "SHR_IMM"),
INST("0100110011100---", Id::I2I_C, Type::Conversion, "I2I_C"),
INST("0101110011100---", Id::I2I_R, Type::Conversion, "I2I_R"),
INST("01110001-1000---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
INST("0011101-11100---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
INST("0100110010111---", Id::I2F_C, Type::Conversion, "I2F_C"),
INST("0101110010111---", Id::I2F_R, Type::Conversion, "I2F_R"),
INST("0011100-10111---", Id::I2F_IMM, Type::Conversion, "I2F_IMM"),