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Merge pull request #1760 from ReinUsesLisp/r2p

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gl_shader_decompiler: Implement R2P_IMM
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bunnei 2018-11-25 22:38:42 -05:00 • committed by GitHub
commit d7d1ab15b6
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2 changed files with 42 additions and 0 deletions
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28
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -3315,6 +3315,34 @@ private:
}
break;
}
case OpCode::Type::RegisterSetPredicate: {
UNIMPLEMENTED_IF(instr.r2p.mode != Tegra::Shader::R2pMode::Pr);
const std::string apply_mask = [&]() {
switch (opcode->get().GetId()) {
case OpCode::Id::R2P_IMM:
return std::to_string(instr.r2p.immediate_mask);
default:
UNREACHABLE();
}
}();
const std::string mask = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) +
" >> " + std::to_string(instr.r2p.byte) + ')';
constexpr u64 programmable_preds = 7;
for (u64 pred = 0; pred < programmable_preds; ++pred) {
const auto shift = std::to_string(1 << pred);
shader.AddLine("if ((" + apply_mask + " & " + shift + ") != 0) {");
++shader.scope;
SetPredicate(pred, '(' + mask + " & " + shift + ") != 0");
--shader.scope;
shader.AddLine('}');
}
break;
}
case OpCode::Type::FloatSet: {
const std::string op_a = GetOperandAbsNeg(regs.GetRegisterAsFloat(instr.gpr8),
instr.fset.abs_a != 0, instr.fset.neg_a != 0);