1 files changed, 622 insertions, 0 deletions
diff --git a/src/yuzu/debugger/graphics/graphics_vertex_shader.cpp b/src/yuzu/debugger/graphics/graphics_vertex_shader.cpp
new file mode 100644
index 0000000000..7f4ec0c52e
--- /dev/null
+++ b/src/yuzu/debugger/graphics/graphics_vertex_shader.cpp
@@ -0,0 +1,622 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <iomanip>
+#include <sstream>
+#include <QBoxLayout>
+#include <QFileDialog>
+#include <QFormLayout>
+#include <QGroupBox>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QSignalMapper>
+#include <QSpinBox>
+#include <QTreeView>
+#include "citra_qt/debugger/graphics/graphics_vertex_shader.h"
+#include "citra_qt/util/util.h"
+#include "video_core/pica_state.h"
+#include "video_core/shader/debug_data.h"
+#include "video_core/shader/shader.h"
+#include "video_core/shader/shader_interpreter.h"
+
+using nihstro::OpCode;
+using nihstro::Instruction;
+using nihstro::SourceRegister;
+using nihstro::SwizzlePattern;
+
+GraphicsVertexShaderModel::GraphicsVertexShaderModel(GraphicsVertexShaderWidget* parent)
+    : QAbstractTableModel(parent), par(parent) {}
+
+int GraphicsVertexShaderModel::columnCount(const QModelIndex& parent) const {
+    return 3;
+}
+
+int GraphicsVertexShaderModel::rowCount(const QModelIndex& parent) const {
+    return static_cast<int>(par->info.code.size());
+}
+
+QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orientation,
+                                               int role) const {
+    switch (role) {
+    case Qt::DisplayRole: {
+        if (section == 0) {
+            return tr("Offset");
+        } else if (section == 1) {
+            return tr("Raw");
+        } else if (section == 2) {
+            return tr("Disassembly");
+        }
+
+        break;
+    }
+    }
+
+    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,
+                        const std::string& address_register_name = std::string()) {
+    if (align)
+        output << std::setw(4) << std::right;
+    output << ((negate ? "-" : "") + input.GetName());
+
+    if (!address_register_name.empty())
+        output << '[' << address_register_name << ']';
+    output << '.' << swizzle_mask;
+};
+
+QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) const {
+    switch (role) {
+    case Qt::DisplayRole: {
+        switch (index.column()) {
+        case 0:
+            if (par->info.HasLabel(index.row()))
+                return QString::fromStdString(par->info.GetLabel(index.row()));
+
+            return QString("%1").arg(4 * index.row(), 4, 16, QLatin1Char('0'));
+
+        case 1:
+            return QString("%1").arg(par->info.code[index.row()].hex, 8, 16, QLatin1Char('0'));
+
+        case 2: {
+            std::ostringstream output;
+            output.flags(std::ios::uppercase);
+
+            // To make the code aligning columns of assembly easier to keep track of, this function
+            // keeps track of the start of the start of the previous column, allowing alignment
+            // based on desired field widths.
+            int current_column = 0;
+            auto AlignToColumn = [&](int col_width) {
+                // Prints spaces to the output to pad previous column to size and advances the
+                // column marker.
+                current_column += col_width;
+                int to_add = std::max(1, current_column - (int)output.tellp());
+                for (int i = 0; i < to_add; ++i) {
+                    output << ' ';
+                }
+            };
+
+            const Instruction instr = par->info.code[index.row()];
+            const OpCode opcode = instr.opcode;
+            const OpCode::Info opcode_info = opcode.GetInfo();
+            const u32 operand_desc_id = opcode_info.type == OpCode::Type::MultiplyAdd
+                                            ? instr.mad.operand_desc_id.Value()
+                                            : instr.common.operand_desc_id.Value();
+            const SwizzlePattern swizzle = par->info.swizzle_info[operand_desc_id].pattern;
+
+            // longest known instruction name: "setemit "
+            int kOpcodeColumnWidth = 8;
+            // "rXX.xyzw  "
+            int kOutputColumnWidth = 10;
+            // "-rXX.xyzw  ", no attempt is made to align indexed inputs
+            int kInputOperandColumnWidth = 11;
+
+            output << opcode_info.name;
+
+            switch (opcode_info.type) {
+            case OpCode::Type::Trivial:
+                // Nothing to do here
+                break;
+
+            case OpCode::Type::Arithmetic:
+            case OpCode::Type::MultiplyAdd: {
+                // Use custom code for special instructions
+                switch (opcode.EffectiveOpCode()) {
+                case OpCode::Id::CMP: {
+                    AlignToColumn(kOpcodeColumnWidth);
+
+                    // NOTE: CMP always writes both cc components, so we do not consider the dest
+                    // mask here.
+                    output << " cc.xy";
+                    AlignToColumn(kOutputColumnWidth);
+
+                    SourceRegister src1 = instr.common.GetSrc1(false);
+                    SourceRegister src2 = instr.common.GetSrc2(false);
+
+                    output << ' ';
+                    print_input(output, src1, swizzle.negate_src1,
+                                swizzle.SelectorToString(false).substr(0, 1), false,
+                                instr.common.AddressRegisterName());
+                    output << ' ' << instr.common.compare_op.ToString(instr.common.compare_op.x)
+                           << ' ';
+                    print_input(output, src2, swizzle.negate_src2,
+                                swizzle.SelectorToString(true).substr(0, 1), false);
+
+                    output << ", ";
+
+                    print_input(output, src1, swizzle.negate_src1,
+                                swizzle.SelectorToString(false).substr(1, 1), false,
+                                instr.common.AddressRegisterName());
+                    output << ' ' << instr.common.compare_op.ToString(instr.common.compare_op.y)
+                           << ' ';
+                    print_input(output, src2, swizzle.negate_src2,
+                                swizzle.SelectorToString(true).substr(1, 1), false);
+
+                    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), true,
+                                src_is_inverted ? "" : instr.mad.AddressRegisterName());
+                    AlignToColumn(kInputOperandColumnWidth);
+                    print_input(output, src3, swizzle.negate_src3,
+                                SelectorToString(swizzle.src3_selector), true,
+                                src_is_inverted ? instr.mad.AddressRegisterName() : "");
+                    AlignToColumn(kInputOperandColumnWidth);
+                    break;
+                }
+
+                default: {
+                    AlignToColumn(kOpcodeColumnWidth);
+
+                    bool src_is_inverted = 0 != (opcode_info.subtype & OpCode::Info::SrcInversed);
+
+                    if (opcode_info.subtype & OpCode::Info::Dest) {
+                        // e.g. "r12.xy__"
+                        output << std::setw(3) << std::right << instr.common.dest.Value().GetName()
+                               << '.' << swizzle.DestMaskToString();
+                    } else if (opcode_info.subtype == OpCode::Info::MOVA) {
+                        output << "  a0." << swizzle.DestMaskToString();
+                    }
+                    AlignToColumn(kOutputColumnWidth);
+
+                    if (opcode_info.subtype & OpCode::Info::Src1) {
+                        SourceRegister src1 = instr.common.GetSrc1(src_is_inverted);
+                        print_input(output, src1, swizzle.negate_src1,
+                                    swizzle.SelectorToString(false), true,
+                                    src_is_inverted ? "" : instr.common.AddressRegisterName());
+                        AlignToColumn(kInputOperandColumnWidth);
+                    }
+
+                    if (opcode_info.subtype & OpCode::Info::Src2) {
+                        SourceRegister src2 = instr.common.GetSrc2(src_is_inverted);
+                        print_input(output, src2, swizzle.negate_src2,
+                                    swizzle.SelectorToString(true), true,
+                                    src_is_inverted ? instr.common.AddressRegisterName() : "");
+                        AlignToColumn(kInputOperandColumnWidth);
+                    }
+                    break;
+                }
+                }
+
+                break;
+            }
+
+            case OpCode::Type::Conditional:
+            case OpCode::Type::UniformFlowControl: {
+                output << ' ';
+
+                switch (opcode.EffectiveOpCode()) {
+                case OpCode::Id::LOOP:
+                    output << 'i' << instr.flow_control.int_uniform_id << " (end on 0x"
+                           << std::setw(4) << std::right << std::setfill('0') << std::hex
+                           << (4 * instr.flow_control.dest_offset) << ")";
+                    break;
+
+                default:
+                    if (opcode_info.subtype & OpCode::Info::HasCondition) {
+                        output << '(';
+
+                        if (instr.flow_control.op != instr.flow_control.JustY) {
+                            if (!instr.flow_control.refx)
+                                output << '!';
+                            output << "cc.x";
+                        }
+
+                        if (instr.flow_control.op == instr.flow_control.Or) {
+                            output << " || ";
+                        } else if (instr.flow_control.op == instr.flow_control.And) {
+                            output << " && ";
+                        }
+
+                        if (instr.flow_control.op != instr.flow_control.JustX) {
+                            if (!instr.flow_control.refy)
+                                output << '!';
+                            output << "cc.y";
+                        }
+
+                        output << ") ";
+                    } else if (opcode_info.subtype & OpCode::Info::HasUniformIndex) {
+                        if (opcode.EffectiveOpCode() == OpCode::Id::JMPU &&
+                            (instr.flow_control.num_instructions & 1) == 1) {
+                            output << '!';
+                        }
+                        output << 'b' << instr.flow_control.bool_uniform_id << ' ';
+                    }
+
+                    if (opcode_info.subtype & OpCode::Info::HasAlternative) {
+                        output << "else jump to 0x" << std::setw(4) << std::right
+                               << std::setfill('0') << std::hex
+                               << (4 * instr.flow_control.dest_offset);
+                    } else if (opcode_info.subtype & OpCode::Info::HasExplicitDest) {
+                        output << "jump to 0x" << std::setw(4) << std::right << std::setfill('0')
+                               << std::hex << (4 * instr.flow_control.dest_offset);
+                    } else {
+                        // TODO: Handle other cases
+                        output << "(unknown destination)";
+                    }
+
+                    if (opcode_info.subtype & OpCode::Info::HasFinishPoint) {
+                        output << " (return on 0x" << std::setw(4) << std::right
+                               << std::setfill('0') << std::hex
+                               << (4 * instr.flow_control.dest_offset +
+                                   4 * instr.flow_control.num_instructions)
+                               << ')';
+                    }
+
+                    break;
+                }
+                break;
+            }
+
+            default:
+                output << " (unknown instruction format)";
+                break;
+            }
+
+            return QString::fromLatin1(output.str().c_str());
+        }
+
+        default:
+            break;
+        }
+    }
+
+    case Qt::FontRole:
+        return GetMonospaceFont();
+
+    case Qt::BackgroundRole: {
+        // Highlight current instruction
+        int current_record_index = par->cycle_index->value();
+        if (current_record_index < static_cast<int>(par->debug_data.records.size())) {
+            const auto& current_record = par->debug_data.records[current_record_index];
+            if (index.row() == static_cast<int>(current_record.instruction_offset)) {
+                return QColor(255, 255, 63);
+            }
+        }
+
+        // Use a grey background for instructions which have no debug data associated to them
+        for (const auto& record : par->debug_data.records)
+            if (index.row() == static_cast<int>(record.instruction_offset))
+                return QVariant();
+
+        return QBrush(QColor(192, 192, 192));
+    }
+
+    // TODO: Draw arrows for each "reachable" instruction to visualize control flow
+
+    default:
+        break;
+    }
+
+    return QVariant();
+}
+
+void GraphicsVertexShaderWidget::DumpShader() {
+    QString filename = QFileDialog::getSaveFileName(
+        this, tr("Save Shader Dump"), "shader_dump.shbin", tr("Shader Binary (*.shbin)"));
+
+    if (filename.isEmpty()) {
+        // If the user canceled the dialog, don't dump anything.
+        return;
+    }
+
+    auto& setup = Pica::g_state.vs;
+    auto& config = Pica::g_state.regs.vs;
+
+    Pica::DebugUtils::DumpShader(filename.toStdString(), config, setup,
+                                 Pica::g_state.regs.rasterizer.vs_output_attributes);
+}
+
+GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(
+    std::shared_ptr<Pica::DebugContext> debug_context, QWidget* parent)
+    : BreakPointObserverDock(debug_context, "Pica Vertex Shader", parent) {
+    setObjectName("PicaVertexShader");
+
+    // Clear input vertex data so that it contains valid float values in case a debug shader
+    // execution happens before the first Vertex Loaded breakpoint.
+    // TODO: This makes a crash in the interpreter much less likely, but not impossible. The
+    //       interpreter should guard against out-of-bounds accesses to ensure crashes in it aren't
+    //       possible.
+    std::memset(&input_vertex, 0, sizeof(input_vertex));
+
+    auto input_data_mapper = new QSignalMapper(this);
+
+    // TODO: Support inputting data in hexadecimal raw format
+    for (unsigned i = 0; i < ARRAY_SIZE(input_data); ++i) {
+        input_data[i] = new QLineEdit;
+        input_data[i]->setValidator(new QDoubleValidator(input_data[i]));
+    }
+
+    breakpoint_warning =
+        new QLabel(tr("(data only available at vertex shader invocation breakpoints)"));
+
+    // TODO: Add some button for jumping to the shader entry point
+
+    model = new GraphicsVertexShaderModel(this);
+    binary_list = new QTreeView;
+    binary_list->setModel(model);
+    binary_list->setRootIsDecorated(false);
+    binary_list->setAlternatingRowColors(true);
+
+    auto dump_shader = new QPushButton(QIcon::fromTheme("document-save"), tr("Dump"));
+
+    instruction_description = new QLabel;
+
+    cycle_index = new QSpinBox;
+
+    connect(dump_shader, SIGNAL(clicked()), this, SLOT(DumpShader()));
+
+    connect(cycle_index, SIGNAL(valueChanged(int)), this, SLOT(OnCycleIndexChanged(int)));
+
+    for (unsigned i = 0; i < ARRAY_SIZE(input_data); ++i) {
+        connect(input_data[i], SIGNAL(textEdited(const QString&)), input_data_mapper, SLOT(map()));
+        input_data_mapper->setMapping(input_data[i], i);
+    }
+    connect(input_data_mapper, SIGNAL(mapped(int)), this, SLOT(OnInputAttributeChanged(int)));
+
+    auto main_widget = new QWidget;
+    auto main_layout = new QVBoxLayout;
+    {
+        auto input_data_group = new QGroupBox(tr("Input Data"));
+
+        // For each vertex attribute, add a QHBoxLayout consisting of:
+        // - A QLabel denoting the source attribute index
+        // - Four QLineEdits for showing and manipulating attribute data
+        // - A QLabel denoting the shader input attribute index
+        auto sub_layout = new QVBoxLayout;
+        for (unsigned i = 0; i < 16; ++i) {
+            // Create an HBoxLayout to store the widgets used to specify a particular attribute
+            // and store it in a QWidget to allow for easy hiding and unhiding.
+            auto row_layout = new QHBoxLayout;
+            // Remove unnecessary padding between rows
+            row_layout->setContentsMargins(0, 0, 0, 0);
+
+            row_layout->addWidget(new QLabel(tr("Attribute %1").arg(i, 2)));
+            for (unsigned comp = 0; comp < 4; ++comp)
+                row_layout->addWidget(input_data[4 * i + comp]);
+
+            row_layout->addWidget(input_data_mapping[i] = new QLabel);
+
+            input_data_container[i] = new QWidget;
+            input_data_container[i]->setLayout(row_layout);
+            input_data_container[i]->hide();
+
+            sub_layout->addWidget(input_data_container[i]);
+        }
+
+        sub_layout->addWidget(breakpoint_warning);
+        breakpoint_warning->hide();
+
+        input_data_group->setLayout(sub_layout);
+        main_layout->addWidget(input_data_group);
+    }
+
+    // Make program listing expand to fill available space in the dialog
+    binary_list->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
+    main_layout->addWidget(binary_list);
+
+    main_layout->addWidget(dump_shader);
+    {
+        auto sub_layout = new QFormLayout;
+        sub_layout->addRow(tr("Cycle Index:"), cycle_index);
+
+        main_layout->addLayout(sub_layout);
+    }
+
+    // Set a minimum height so that the size of this label doesn't cause the rest of the bottom
+    // part of the UI to keep jumping up and down when cycling through instructions.
+    instruction_description->setMinimumHeight(instruction_description->fontMetrics().lineSpacing() *
+                                              6);
+    instruction_description->setAlignment(Qt::AlignLeft | Qt::AlignTop);
+    main_layout->addWidget(instruction_description);
+
+    main_widget->setLayout(main_layout);
+    setWidget(main_widget);
+
+    widget()->setEnabled(false);
+}
+
+void GraphicsVertexShaderWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data) {
+    if (event == Pica::DebugContext::Event::VertexShaderInvocation) {
+        Reload(true, data);
+    } else {
+        // No vertex data is retrievable => invalidate currently stored vertex data
+        Reload(true, nullptr);
+    }
+    widget()->setEnabled(true);
+}
+
+void GraphicsVertexShaderWidget::Reload(bool replace_vertex_data, void* vertex_data) {
+    model->beginResetModel();
+
+    if (replace_vertex_data) {
+        if (vertex_data) {
+            memcpy(&input_vertex, vertex_data, sizeof(input_vertex));
+            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 = shader_config.max_input_attribute_index + 1;
+
+    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
+    Pica::Shader::InterpreterEngine shader_engine;
+    shader_engine.SetupBatch(shader_setup, entry_point);
+    debug_data = shader_engine.ProduceDebugInfo(shader_setup, input_vertex, shader_config);
+
+    // Reload widget state
+    for (int attr = 0; attr < num_attributes; ++attr) {
+        unsigned source_attr = shader_config.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);
+}