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

pull/15/merge
Subv 8 years ago
parent
commit
2933521a08
  1. 2
      src/video_core/engines/shader_bytecode.h
  2. 7
      src/video_core/renderer_opengl/gl_shader_decompiler.cpp

2
src/video_core/engines/shader_bytecode.h

@ -245,9 +245,9 @@ union Instruction {
BitField<44, 1, u64> abs_b;
BitField<45, 2, PredOperation> op;
BitField<48, 4, PredCondition> cond;
BitField<52, 1, u64> bf;
BitField<53, 1, u64> neg_b;
BitField<54, 1, u64> abs_a;
BitField<52, 1, u64> bf;
BitField<55, 1, u64> ftz;
BitField<56, 1, u64> neg_imm;
} fset;

7
src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@ -1066,7 +1066,12 @@ private:
std::string predicate = "(((" + op_a + ") " + comparator + " (" + op_b + ")) " +
combiner + " (" + second_pred + "))";
regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1);
if (instr.fset.bf) {
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;
}
default: {

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