630 lines
26 KiB
C++
630 lines
26 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <iomanip>
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#include <sstream>
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#include <QBoxLayout>
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#include <QFileDialog>
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#include <QFormLayout>
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#include <QGroupBox>
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#include <QLabel>
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#include <QLineEdit>
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#include <QPushButton>
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#include <QSignalMapper>
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#include <QSpinBox>
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#include <QTreeView>
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#include "citra_qt/debugger/graphics/graphics_vertex_shader.h"
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#include "citra_qt/util/util.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/shader/shader.h"
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using nihstro::OpCode;
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using nihstro::Instruction;
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using nihstro::SourceRegister;
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using nihstro::SwizzlePattern;
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GraphicsVertexShaderModel::GraphicsVertexShaderModel(GraphicsVertexShaderWidget* parent)
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: QAbstractTableModel(parent), par(parent) {}
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int GraphicsVertexShaderModel::columnCount(const QModelIndex& parent) const {
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return 3;
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}
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int GraphicsVertexShaderModel::rowCount(const QModelIndex& parent) const {
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return static_cast<int>(par->info.code.size());
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}
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QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orientation,
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int role) const {
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switch (role) {
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case Qt::DisplayRole: {
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if (section == 0) {
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return tr("Offset");
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} else if (section == 1) {
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return tr("Raw");
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} else if (section == 2) {
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return tr("Disassembly");
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}
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break;
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}
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}
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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, bool negate,
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const std::string& swizzle_mask, bool align = true,
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const std::string& address_register_name = std::string()) {
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if (align)
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output << std::setw(4) << std::right;
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output << ((negate ? "-" : "") + input.GetName());
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if (!address_register_name.empty())
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output << '[' << address_register_name << ']';
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output << '.' << swizzle_mask;
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};
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QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) const {
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switch (role) {
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case Qt::DisplayRole: {
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switch (index.column()) {
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case 0:
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if (par->info.HasLabel(index.row()))
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return QString::fromStdString(par->info.GetLabel(index.row()));
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return QString("%1").arg(4 * index.row(), 4, 16, QLatin1Char('0'));
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case 1:
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return QString("%1").arg(par->info.code[index.row()].hex, 8, 16, QLatin1Char('0'));
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case 2: {
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std::ostringstream output;
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output.flags(std::ios::uppercase);
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// To make the code aligning columns of assembly easier to keep track of, this function
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// keeps track of the start of the start of the previous column, allowing alignment
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// based on desired field widths.
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int current_column = 0;
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auto AlignToColumn = [&](int col_width) {
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// Prints spaces to the output to pad previous column to size and advances the
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// column marker.
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current_column += col_width;
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int to_add = std::max(1, current_column - (int)output.tellp());
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for (int i = 0; i < to_add; ++i) {
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output << ' ';
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}
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};
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const Instruction instr = par->info.code[index.row()];
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const OpCode opcode = instr.opcode;
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const OpCode::Info opcode_info = opcode.GetInfo();
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const u32 operand_desc_id = opcode_info.type == OpCode::Type::MultiplyAdd
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? instr.mad.operand_desc_id.Value()
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: instr.common.operand_desc_id.Value();
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const SwizzlePattern swizzle = par->info.swizzle_info[operand_desc_id].pattern;
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// longest known instruction name: "setemit "
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int kOpcodeColumnWidth = 8;
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// "rXX.xyzw "
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int kOutputColumnWidth = 10;
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// "-rXX.xyzw ", no attempt is made to align indexed inputs
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int kInputOperandColumnWidth = 11;
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output << opcode_info.name;
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switch (opcode_info.type) {
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case OpCode::Type::Trivial:
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// Nothing to do here
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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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// Use custom code for special instructions
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switch (opcode.EffectiveOpCode()) {
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case OpCode::Id::CMP: {
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AlignToColumn(kOpcodeColumnWidth);
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// NOTE: CMP always writes both cc components, so we do not consider the dest
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// mask here.
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output << " cc.xy";
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AlignToColumn(kOutputColumnWidth);
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SourceRegister src1 = instr.common.GetSrc1(false);
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SourceRegister src2 = instr.common.GetSrc2(false);
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output << ' ';
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print_input(output, src1, swizzle.negate_src1,
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swizzle.SelectorToString(false).substr(0, 1), false,
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instr.common.AddressRegisterName());
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output << ' ' << instr.common.compare_op.ToString(instr.common.compare_op.x)
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<< ' ';
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print_input(output, src2, swizzle.negate_src2,
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swizzle.SelectorToString(true).substr(0, 1), false);
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output << ", ";
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print_input(output, src1, swizzle.negate_src1,
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swizzle.SelectorToString(false).substr(1, 1), false,
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instr.common.AddressRegisterName());
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output << ' ' << instr.common.compare_op.ToString(instr.common.compare_op.y)
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<< ' ';
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print_input(output, src2, swizzle.negate_src2,
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swizzle.SelectorToString(true).substr(1, 1), false);
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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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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() << '.'
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<< swizzle.DestMaskToString();
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AlignToColumn(kOutputColumnWidth);
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print_input(output, src1, swizzle.negate_src1,
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SelectorToString(swizzle.src1_selector));
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AlignToColumn(kInputOperandColumnWidth);
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if (src_is_inverted) {
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print_input(output, src2, swizzle.negate_src2,
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SelectorToString(swizzle.src2_selector));
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} else {
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print_input(output, src2, swizzle.negate_src2,
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SelectorToString(swizzle.src2_selector), true,
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instr.mad.AddressRegisterName());
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}
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AlignToColumn(kInputOperandColumnWidth);
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if (src_is_inverted) {
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print_input(output, src3, swizzle.negate_src3,
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SelectorToString(swizzle.src3_selector), true,
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instr.mad.AddressRegisterName());
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} else {
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print_input(output, src3, swizzle.negate_src3,
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SelectorToString(swizzle.src3_selector));
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}
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AlignToColumn(kInputOperandColumnWidth);
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break;
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}
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default: {
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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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if (opcode_info.subtype & OpCode::Info::Dest) {
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// e.g. "r12.xy__"
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output << std::setw(3) << std::right << instr.common.dest.Value().GetName()
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<< '.' << swizzle.DestMaskToString();
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} else if (opcode_info.subtype == OpCode::Info::MOVA) {
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output << " a0." << swizzle.DestMaskToString();
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}
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AlignToColumn(kOutputColumnWidth);
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if (opcode_info.subtype & OpCode::Info::Src1) {
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SourceRegister src1 = instr.common.GetSrc1(src_is_inverted);
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print_input(output, src1, swizzle.negate_src1,
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swizzle.SelectorToString(false), true,
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instr.common.AddressRegisterName());
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AlignToColumn(kInputOperandColumnWidth);
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}
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// TODO: In some cases, the Address Register is used as an index for SRC2
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// instead of SRC1
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if (opcode_info.subtype & OpCode::Info::Src2) {
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SourceRegister src2 = instr.common.GetSrc2(src_is_inverted);
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print_input(output, src2, swizzle.negate_src2,
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swizzle.SelectorToString(true));
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AlignToColumn(kInputOperandColumnWidth);
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}
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break;
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}
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}
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break;
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}
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case OpCode::Type::Conditional:
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case OpCode::Type::UniformFlowControl: {
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output << ' ';
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switch (opcode.EffectiveOpCode()) {
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case OpCode::Id::LOOP:
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output << "(unknown instruction format)";
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break;
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default:
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if (opcode_info.subtype & OpCode::Info::HasCondition) {
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output << '(';
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if (instr.flow_control.op != instr.flow_control.JustY) {
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if (instr.flow_control.refx)
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output << '!';
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output << "cc.x";
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}
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if (instr.flow_control.op == instr.flow_control.Or) {
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output << " || ";
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} else if (instr.flow_control.op == instr.flow_control.And) {
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output << " && ";
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}
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if (instr.flow_control.op != instr.flow_control.JustX) {
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if (instr.flow_control.refy)
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output << '!';
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output << "cc.y";
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}
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output << ") ";
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} else if (opcode_info.subtype & OpCode::Info::HasUniformIndex) {
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output << 'b' << instr.flow_control.bool_uniform_id << ' ';
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}
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u32 target_addr = instr.flow_control.dest_offset;
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u32 target_addr_else = instr.flow_control.dest_offset;
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if (opcode_info.subtype & OpCode::Info::HasAlternative) {
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output << "else jump to 0x" << std::setw(4) << std::right
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<< std::setfill('0') << std::hex
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<< (4 * instr.flow_control.dest_offset);
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} else if (opcode_info.subtype & OpCode::Info::HasExplicitDest) {
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output << "jump to 0x" << std::setw(4) << std::right << std::setfill('0')
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<< std::hex << (4 * instr.flow_control.dest_offset);
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} else {
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// TODO: Handle other cases
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output << "(unknown destination)";
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}
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if (opcode_info.subtype & OpCode::Info::HasFinishPoint) {
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output << " (return on 0x" << std::setw(4) << std::right
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<< std::setfill('0') << std::hex
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<< (4 * instr.flow_control.dest_offset +
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4 * instr.flow_control.num_instructions)
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<< ')';
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}
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break;
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}
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break;
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}
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default:
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output << " (unknown instruction format)";
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break;
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}
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return QString::fromLatin1(output.str().c_str());
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}
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default:
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break;
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}
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}
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case Qt::FontRole:
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return GetMonospaceFont();
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case Qt::BackgroundRole: {
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// Highlight current instruction
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int current_record_index = par->cycle_index->value();
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if (current_record_index < static_cast<int>(par->debug_data.records.size())) {
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const auto& current_record = par->debug_data.records[current_record_index];
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if (index.row() == static_cast<int>(current_record.instruction_offset)) {
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return QColor(255, 255, 63);
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}
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}
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// Use a grey background for instructions which have no debug data associated to them
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for (const auto& record : par->debug_data.records)
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if (index.row() == static_cast<int>(record.instruction_offset))
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return QVariant();
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return QBrush(QColor(192, 192, 192));
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}
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// TODO: Draw arrows for each "reachable" instruction to visualize control flow
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default:
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break;
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}
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return QVariant();
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}
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void GraphicsVertexShaderWidget::DumpShader() {
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QString filename = QFileDialog::getSaveFileName(
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this, tr("Save Shader Dump"), "shader_dump.shbin", tr("Shader Binary (*.shbin)"));
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if (filename.isEmpty()) {
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// If the user canceled the dialog, don't dump anything.
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return;
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}
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auto& setup = Pica::g_state.vs;
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auto& config = Pica::g_state.regs.vs;
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Pica::DebugUtils::DumpShader(filename.toStdString(), config, setup,
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Pica::g_state.regs.vs_output_attributes);
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}
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GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(
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std::shared_ptr<Pica::DebugContext> debug_context, QWidget* parent)
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: BreakPointObserverDock(debug_context, "Pica Vertex Shader", parent) {
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setObjectName("PicaVertexShader");
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// Clear input vertex data so that it contains valid float values in case a debug shader
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// execution happens before the first Vertex Loaded breakpoint.
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// TODO: This makes a crash in the interpreter much less likely, but not impossible. The
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// interpreter should guard against out-of-bounds accesses to ensure crashes in it aren't
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// possible.
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std::memset(&input_vertex, 0, sizeof(input_vertex));
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auto input_data_mapper = new QSignalMapper(this);
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// TODO: Support inputting data in hexadecimal raw format
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for (unsigned i = 0; i < ARRAY_SIZE(input_data); ++i) {
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input_data[i] = new QLineEdit;
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input_data[i]->setValidator(new QDoubleValidator(input_data[i]));
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}
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breakpoint_warning =
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new QLabel(tr("(data only available at vertex shader invocation breakpoints)"));
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// TODO: Add some button for jumping to the shader entry point
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model = new GraphicsVertexShaderModel(this);
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binary_list = new QTreeView;
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binary_list->setModel(model);
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binary_list->setRootIsDecorated(false);
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binary_list->setAlternatingRowColors(true);
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auto dump_shader = new QPushButton(QIcon::fromTheme("document-save"), tr("Dump"));
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instruction_description = new QLabel;
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cycle_index = new QSpinBox;
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connect(dump_shader, SIGNAL(clicked()), this, SLOT(DumpShader()));
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connect(cycle_index, SIGNAL(valueChanged(int)), this, SLOT(OnCycleIndexChanged(int)));
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for (unsigned i = 0; i < ARRAY_SIZE(input_data); ++i) {
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connect(input_data[i], SIGNAL(textEdited(const QString&)), input_data_mapper, SLOT(map()));
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input_data_mapper->setMapping(input_data[i], i);
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}
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connect(input_data_mapper, SIGNAL(mapped(int)), this, SLOT(OnInputAttributeChanged(int)));
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auto main_widget = new QWidget;
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auto main_layout = new QVBoxLayout;
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{
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auto input_data_group = new QGroupBox(tr("Input Data"));
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// For each vertex attribute, add a QHBoxLayout consisting of:
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// - A QLabel denoting the source attribute index
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// - Four QLineEdits for showing and manipulating attribute data
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// - A QLabel denoting the shader input attribute index
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auto sub_layout = new QVBoxLayout;
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for (unsigned i = 0; i < 16; ++i) {
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// Create an HBoxLayout to store the widgets used to specify a particular attribute
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// and store it in a QWidget to allow for easy hiding and unhiding.
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auto row_layout = new QHBoxLayout;
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// Remove unnecessary padding between rows
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row_layout->setContentsMargins(0, 0, 0, 0);
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row_layout->addWidget(new QLabel(tr("Attribute %1").arg(i, 2)));
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for (unsigned comp = 0; comp < 4; ++comp)
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row_layout->addWidget(input_data[4 * i + comp]);
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row_layout->addWidget(input_data_mapping[i] = new QLabel);
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input_data_container[i] = new QWidget;
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input_data_container[i]->setLayout(row_layout);
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input_data_container[i]->hide();
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sub_layout->addWidget(input_data_container[i]);
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}
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sub_layout->addWidget(breakpoint_warning);
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breakpoint_warning->hide();
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input_data_group->setLayout(sub_layout);
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main_layout->addWidget(input_data_group);
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}
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// Make program listing expand to fill available space in the dialog
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binary_list->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
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main_layout->addWidget(binary_list);
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main_layout->addWidget(dump_shader);
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{
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auto sub_layout = new QFormLayout;
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sub_layout->addRow(tr("Cycle Index:"), cycle_index);
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main_layout->addLayout(sub_layout);
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}
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// Set a minimum height so that the size of this label doesn't cause the rest of the bottom
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// part of the UI to keep jumping up and down when cycling through instructions.
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instruction_description->setMinimumHeight(instruction_description->fontMetrics().lineSpacing() *
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6);
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instruction_description->setAlignment(Qt::AlignLeft | Qt::AlignTop);
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main_layout->addWidget(instruction_description);
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main_widget->setLayout(main_layout);
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setWidget(main_widget);
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widget()->setEnabled(false);
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}
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void GraphicsVertexShaderWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data) {
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auto input = static_cast<Pica::Shader::InputVertex*>(data);
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if (event == Pica::DebugContext::Event::VertexShaderInvocation) {
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Reload(true, data);
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} else {
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// No vertex data is retrievable => invalidate currently stored vertex data
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Reload(true, nullptr);
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}
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widget()->setEnabled(true);
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}
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void GraphicsVertexShaderWidget::Reload(bool replace_vertex_data, void* vertex_data) {
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model->beginResetModel();
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if (replace_vertex_data) {
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if (vertex_data) {
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memcpy(&input_vertex, vertex_data, sizeof(input_vertex));
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for (unsigned attr = 0; attr < 16; ++attr) {
|
|
for (unsigned comp = 0; comp < 4; ++comp) {
|
|
input_data[4 * attr + comp]->setText(
|
|
QString("%1").arg(input_vertex.attr[attr][comp].ToFloat32()));
|
|
}
|
|
}
|
|
breakpoint_warning->hide();
|
|
} else {
|
|
for (unsigned attr = 0; attr < 16; ++attr) {
|
|
for (unsigned comp = 0; comp < 4; ++comp) {
|
|
input_data[4 * attr + comp]->setText(QString("???"));
|
|
}
|
|
}
|
|
breakpoint_warning->show();
|
|
}
|
|
}
|
|
|
|
// Reload shader code
|
|
info.Clear();
|
|
|
|
auto& shader_setup = Pica::g_state.vs;
|
|
auto& shader_config = Pica::g_state.regs.vs;
|
|
for (auto instr : shader_setup.program_code)
|
|
info.code.push_back({instr});
|
|
int num_attributes = Pica::g_state.regs.vertex_attributes.GetNumTotalAttributes();
|
|
|
|
for (auto pattern : shader_setup.swizzle_data)
|
|
info.swizzle_info.push_back({pattern});
|
|
|
|
u32 entry_point = Pica::g_state.regs.vs.main_offset;
|
|
info.labels.insert({entry_point, "main"});
|
|
|
|
// Generate debug information
|
|
debug_data = Pica::g_state.vs.ProduceDebugInfo(input_vertex, num_attributes, shader_config,
|
|
shader_setup);
|
|
|
|
// Reload widget state
|
|
for (int attr = 0; attr < num_attributes; ++attr) {
|
|
unsigned source_attr = shader_config.input_register_map.GetRegisterForAttribute(attr);
|
|
input_data_mapping[attr]->setText(QString("-> v%1").arg(source_attr));
|
|
input_data_container[attr]->setVisible(true);
|
|
}
|
|
// Only show input attributes which are used as input to the shader
|
|
for (unsigned int attr = num_attributes; attr < 16; ++attr) {
|
|
input_data_container[attr]->setVisible(false);
|
|
}
|
|
|
|
// Initialize debug info text for current cycle count
|
|
cycle_index->setMaximum(static_cast<int>(debug_data.records.size() - 1));
|
|
OnCycleIndexChanged(cycle_index->value());
|
|
|
|
model->endResetModel();
|
|
}
|
|
|
|
void GraphicsVertexShaderWidget::OnResumed() {
|
|
widget()->setEnabled(false);
|
|
}
|
|
|
|
void GraphicsVertexShaderWidget::OnInputAttributeChanged(int index) {
|
|
float value = input_data[index]->text().toFloat();
|
|
input_vertex.attr[index / 4][index % 4] = Pica::float24::FromFloat32(value);
|
|
// Re-execute shader with updated value
|
|
Reload();
|
|
}
|
|
|
|
void GraphicsVertexShaderWidget::OnCycleIndexChanged(int index) {
|
|
QString text;
|
|
|
|
auto& record = debug_data.records[index];
|
|
if (record.mask & Pica::Shader::DebugDataRecord::SRC1)
|
|
text += tr("SRC1: %1, %2, %3, %4\n")
|
|
.arg(record.src1.x.ToFloat32())
|
|
.arg(record.src1.y.ToFloat32())
|
|
.arg(record.src1.z.ToFloat32())
|
|
.arg(record.src1.w.ToFloat32());
|
|
if (record.mask & Pica::Shader::DebugDataRecord::SRC2)
|
|
text += tr("SRC2: %1, %2, %3, %4\n")
|
|
.arg(record.src2.x.ToFloat32())
|
|
.arg(record.src2.y.ToFloat32())
|
|
.arg(record.src2.z.ToFloat32())
|
|
.arg(record.src2.w.ToFloat32());
|
|
if (record.mask & Pica::Shader::DebugDataRecord::SRC3)
|
|
text += tr("SRC3: %1, %2, %3, %4\n")
|
|
.arg(record.src3.x.ToFloat32())
|
|
.arg(record.src3.y.ToFloat32())
|
|
.arg(record.src3.z.ToFloat32())
|
|
.arg(record.src3.w.ToFloat32());
|
|
if (record.mask & Pica::Shader::DebugDataRecord::DEST_IN)
|
|
text += tr("DEST_IN: %1, %2, %3, %4\n")
|
|
.arg(record.dest_in.x.ToFloat32())
|
|
.arg(record.dest_in.y.ToFloat32())
|
|
.arg(record.dest_in.z.ToFloat32())
|
|
.arg(record.dest_in.w.ToFloat32());
|
|
if (record.mask & Pica::Shader::DebugDataRecord::DEST_OUT)
|
|
text += tr("DEST_OUT: %1, %2, %3, %4\n")
|
|
.arg(record.dest_out.x.ToFloat32())
|
|
.arg(record.dest_out.y.ToFloat32())
|
|
.arg(record.dest_out.z.ToFloat32())
|
|
.arg(record.dest_out.w.ToFloat32());
|
|
|
|
if (record.mask & Pica::Shader::DebugDataRecord::ADDR_REG_OUT)
|
|
text += tr("Address Registers: %1, %2\n")
|
|
.arg(record.address_registers[0])
|
|
.arg(record.address_registers[1]);
|
|
if (record.mask & Pica::Shader::DebugDataRecord::CMP_RESULT)
|
|
text += tr("Compare Result: %1, %2\n")
|
|
.arg(record.conditional_code[0] ? "true" : "false")
|
|
.arg(record.conditional_code[1] ? "true" : "false");
|
|
|
|
if (record.mask & Pica::Shader::DebugDataRecord::COND_BOOL_IN)
|
|
text += tr("Static Condition: %1\n").arg(record.cond_bool ? "true" : "false");
|
|
if (record.mask & Pica::Shader::DebugDataRecord::COND_CMP_IN)
|
|
text += tr("Dynamic Conditions: %1, %2\n")
|
|
.arg(record.cond_cmp[0] ? "true" : "false")
|
|
.arg(record.cond_cmp[1] ? "true" : "false");
|
|
if (record.mask & Pica::Shader::DebugDataRecord::LOOP_INT_IN)
|
|
text += tr("Loop Parameters: %1 (repeats), %2 (initializer), %3 (increment), %4\n")
|
|
.arg(record.loop_int.x)
|
|
.arg(record.loop_int.y)
|
|
.arg(record.loop_int.z)
|
|
.arg(record.loop_int.w);
|
|
|
|
text +=
|
|
tr("Instruction offset: 0x%1").arg(4 * record.instruction_offset, 4, 16, QLatin1Char('0'));
|
|
if (record.mask & Pica::Shader::DebugDataRecord::NEXT_INSTR) {
|
|
text += tr(" -> 0x%2").arg(4 * record.next_instruction, 4, 16, QLatin1Char('0'));
|
|
} else {
|
|
text += tr(" (last instruction)");
|
|
}
|
|
|
|
instruction_description->setText(text);
|
|
|
|
// Emit model update notification and scroll to current instruction
|
|
QModelIndex instr_index = model->index(record.instruction_offset, 0);
|
|
emit model->dataChanged(instr_index,
|
|
model->index(record.instruction_offset, model->columnCount()));
|
|
binary_list->scrollTo(instr_index, QAbstractItemView::EnsureVisible);
|
|
}
|