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gl_shader_decompiler: Implement VMAD

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This commit is contained in:
ReinUsesLisp 2018-10-11 03:56:14 -03:00
parent 6d82c4adf9
commit 17290a4416
2 changed files with 118 additions and 0 deletions
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36
src/video_core/engines/shader_bytecode.h
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@ -214,6 +214,18 @@ enum class IMinMaxExchange : u64 {
XHi = 3,
};
enum class VmadType : u64 {
Size16_Low = 0,
Size16_High = 1,
Size32 = 2,
Invalid = 3,
};
enum class VmadShr : u64 {
Shr7 = 1,
Shr15 = 2,
};
enum class XmadMode : u64 {
None = 0,
CLo = 1,
@ -452,6 +464,7 @@ union Instruction {
BitField<48, 16, u64> opcode;
union {
BitField<20, 16, u64> imm20_16;
BitField<20, 19, u64> imm20_19;
BitField<20, 32, s64> imm20_32;
BitField<45, 1, u64> negate_b;
@ -493,6 +506,10 @@ union Instruction {
}
} lop3;
u16 GetImm20_16() const {
return static_cast<u16>(imm20_16);
}
u32 GetImm20_19() const {
u32 imm{static_cast<u32>(imm20_19)};
imm <<= 12;
@ -1016,6 +1033,23 @@ union Instruction {
BitField<47, 2, IsberdShift> shift;
} isberd;
union {
BitField<48, 1, u64> signed_a;
BitField<38, 1, u64> is_byte_chunk_a;
BitField<36, 2, VmadType> type_a;
BitField<36, 2, u64> byte_height_a;
BitField<49, 1, u64> signed_b;
BitField<50, 1, u64> use_register_b;
BitField<30, 1, u64> is_byte_chunk_b;
BitField<28, 2, VmadType> type_b;
BitField<28, 2, u64> byte_height_b;
BitField<51, 2, VmadShr> shr;
BitField<55, 1, u64> saturate; // Saturates the result (a * b + c)
BitField<47, 1, u64> cc;
} vmad;
union {
BitField<20, 16, u64> imm20_16;
BitField<36, 1, u64> product_shift_left;
@ -1083,6 +1117,7 @@ public:
IPA,
OUT_R, // Emit vertex/primitive
ISBERD,
VMAD,
FFMA_IMM, // Fused Multiply and Add
FFMA_CR,
FFMA_RC,
@ -1320,6 +1355,7 @@ private:
INST("11100000--------", Id::IPA, Type::Trivial, "IPA"),
INST("1111101111100---", Id::OUT_R, Type::Trivial, "OUT_R"),
INST("1110111111010---", Id::ISBERD, Type::Trivial, "ISBERD"),
INST("01011111--------", Id::VMAD, Type::Trivial, "VMAD"),
INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"),
INST("010010011-------", Id::FFMA_CR, Type::Ffma, "FFMA_CR"),
INST("010100011-------", Id::FFMA_RC, Type::Ffma, "FFMA_RC"),