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gl_shader_decompiler: Implement SEL instruction.

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This commit is contained in:
bunnei 2018-07-22 00:37:12 -04:00
parent 4cd5df95d6
commit c43eaa94f3
2 changed files with 20 additions and 0 deletions
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11
src/video_core/engines/shader_bytecode.h
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@ -288,6 +288,11 @@ union Instruction {
BitField<49, 1, u64> negate_a;
} alu_integer;
union {
BitField<39, 3, u64> pred;
BitField<42, 1, u64> neg_pred;
} sel;
union {
BitField<39, 3, u64> pred;
BitField<42, 1, u64> negate_pred;
@ -513,6 +518,9 @@ public:
ISCADD_C, // Scale and Add
ISCADD_R,
ISCADD_IMM,
SEL_C,
SEL_R,
SEL_IMM,
MUFU, // Multi-Function Operator
RRO_C, // Range Reduction Operator
RRO_R,
@ -713,6 +721,9 @@ private:
INST("0100110000011---", Id::ISCADD_C, Type::ArithmeticInteger, "ISCADD_C"),
INST("0101110000011---", Id::ISCADD_R, Type::ArithmeticInteger, "ISCADD_R"),
INST("0011100-00011---", Id::ISCADD_IMM, Type::ArithmeticInteger, "ISCADD_IMM"),
INST("0100110010100---", Id::SEL_C, Type::ArithmeticInteger, "SEL_C"),
INST("0101110010100---", Id::SEL_R, Type::ArithmeticInteger, "SEL_R"),
INST("0011100010100---", Id::SEL_IMM, Type::ArithmeticInteger, "SEL_IMM"),
INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"),
INST("0100110010010---", Id::RRO_C, Type::Arithmetic, "RRO_C"),
INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"),

9
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View File

@ -1139,6 +1139,15 @@ private:
"((" + op_a + " << " + shift + ") + " + op_b + ')', 1, 1);
break;
}
case OpCode::Id::SEL_C:
case OpCode::Id::SEL_R:
case OpCode::Id::SEL_IMM: {
std::string condition =
GetPredicateCondition(instr.sel.pred, instr.sel.neg_pred != 0);
regs.SetRegisterToInteger(instr.gpr0, true, 0,
'(' + condition + ") ? " + op_a + " : " + op_b, 1, 1);
break;
}
case OpCode::Id::LOP_C:
case OpCode::Id::LOP_R:
case OpCode::Id::LOP_IMM: {