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Shader Disassembly: Implement support for MAD/MADI

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This commit is contained in:
Yuri Kunde Schlesner 2015-08-19 04:39:58 -03:00
parent 86d5461bcd
commit bc3f57efd0
1 changed files with 31 additions and 0 deletions
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31
src/citra_qt/debugger/graphics_vertex_shader.cpp
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@ -65,6 +65,15 @@ QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orie
return QVariant();
}
static std::string SelectorToString(u32 selector) {
std::string ret;
for (int i = 0; i < 4; ++i) {
int component = (selector >> ((3 - i) * 2)) & 3;
ret += "xyzw"[component];
}
return ret;
}
// e.g. "-c92[a0.x].xyzw"
static void print_input(std::ostringstream& output, const SourceRegister& input,
bool negate, const std::string& swizzle_mask, bool align = true,
@ -133,6 +142,7 @@ QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) con
break;
case OpCode::Type::Arithmetic:
case OpCode::Type::MultiplyAdd:
{
// Use custom code for special instructions
switch (opcode.EffectiveOpCode()) {
@ -161,6 +171,27 @@ QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) con
break;
}
case OpCode::Id::MAD:
case OpCode::Id::MADI:
{
AlignToColumn(kOpcodeColumnWidth);
bool src_is_inverted = 0 != (opcode_info.subtype & OpCode::Info::SrcInversed);
SourceRegister src1 = instr.mad.GetSrc1(src_is_inverted);
SourceRegister src2 = instr.mad.GetSrc2(src_is_inverted);
SourceRegister src3 = instr.mad.GetSrc3(src_is_inverted);
output << std::setw(3) << std::right << instr.mad.dest.Value().GetName() << '.' << swizzle.DestMaskToString();
AlignToColumn(kOutputColumnWidth);
print_input(output, src1, swizzle.negate_src1, SelectorToString(swizzle.src1_selector));
AlignToColumn(kInputOperandColumnWidth);
print_input(output, src2, swizzle.negate_src2, SelectorToString(swizzle.src2_selector));
AlignToColumn(kInputOperandColumnWidth);
print_input(output, src3, swizzle.negate_src3, SelectorToString(swizzle.src3_selector));
AlignToColumn(kInputOperandColumnWidth);
break;
}
default:
{
AlignToColumn(kOpcodeColumnWidth);