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Shader Disassembly: Implement support for MAD/MADI
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@ -65,6 +65,15 @@ QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orie
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return QVariant();
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}
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static std::string SelectorToString(u32 selector) {
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std::string ret;
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for (int i = 0; i < 4; ++i) {
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int component = (selector >> ((3 - i) * 2)) & 3;
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ret += "xyzw"[component];
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}
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return ret;
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}
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// e.g. "-c92[a0.x].xyzw"
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static void print_input(std::ostringstream& output, const SourceRegister& input,
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bool negate, const std::string& swizzle_mask, bool align = true,
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@ -133,6 +142,7 @@ QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) con
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break;
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case OpCode::Type::Arithmetic:
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case OpCode::Type::MultiplyAdd:
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{
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// Use custom code for special instructions
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switch (opcode.EffectiveOpCode()) {
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@ -161,6 +171,27 @@ QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) con
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break;
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}
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case OpCode::Id::MAD:
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case OpCode::Id::MADI:
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{
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AlignToColumn(kOpcodeColumnWidth);
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bool src_is_inverted = 0 != (opcode_info.subtype & OpCode::Info::SrcInversed);
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SourceRegister src1 = instr.mad.GetSrc1(src_is_inverted);
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SourceRegister src2 = instr.mad.GetSrc2(src_is_inverted);
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SourceRegister src3 = instr.mad.GetSrc3(src_is_inverted);
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output << std::setw(3) << std::right << instr.mad.dest.Value().GetName() << '.' << swizzle.DestMaskToString();
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AlignToColumn(kOutputColumnWidth);
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print_input(output, src1, swizzle.negate_src1, SelectorToString(swizzle.src1_selector));
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AlignToColumn(kInputOperandColumnWidth);
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print_input(output, src2, swizzle.negate_src2, SelectorToString(swizzle.src2_selector));
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AlignToColumn(kInputOperandColumnWidth);
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print_input(output, src3, swizzle.negate_src3, SelectorToString(swizzle.src3_selector));
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AlignToColumn(kInputOperandColumnWidth);
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break;
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}
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default:
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{
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AlignToColumn(kOpcodeColumnWidth);
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