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GPU: Use the bf bit in FSET to determine whether to write 0xFFFFFFFF or 1.0f.

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This commit is contained in:
Subv 2018-06-04 11:58:29 -05:00
parent f6679ce422
commit 2933521a08
2 changed files with 7 additions and 2 deletions
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2
src/video_core/engines/shader_bytecode.h
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@ -245,9 +245,9 @@ union Instruction {
BitField<44, 1, u64> abs_b; BitField<44, 1, u64> abs_b;
BitField<45, 2, PredOperation> op; BitField<45, 2, PredOperation> op;
BitField<48, 4, PredCondition> cond; BitField<48, 4, PredCondition> cond;
BitField<52, 1, u64> bf;
BitField<53, 1, u64> neg_b; BitField<53, 1, u64> neg_b;
BitField<54, 1, u64> abs_a; BitField<54, 1, u64> abs_a;
BitField<52, 1, u64> bf;
BitField<55, 1, u64> ftz; BitField<55, 1, u64> ftz;
BitField<56, 1, u64> neg_imm; BitField<56, 1, u64> neg_imm;
} fset; } fset;

5
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -1066,7 +1066,12 @@ private:
std::string predicate = "(((" + op_a + ") " + comparator + " (" + op_b + ")) " + std::string predicate = "(((" + op_a + ") " + comparator + " (" + op_b + ")) " +
combiner + " (" + second_pred + "))"; combiner + " (" + second_pred + "))";
if (instr.fset.bf) {
regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1); regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1);
} else {
regs.SetRegisterToInteger(instr.gpr0, false, 0, predicate + " ? 0xFFFFFFFF : 0", 1,
1);
}
break; break;
} }
default: { default: {