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https://git.suyu.dev/suyu/suyu.git
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298 lines
11 KiB
C++
298 lines
11 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 <QTreeView>
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#include "video_core/vertex_shader.h"
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#include "graphics_vertex_shader.h"
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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(QObject* parent): QAbstractItemModel(parent) {
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}
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QModelIndex GraphicsVertexShaderModel::index(int row, int column, const QModelIndex& parent) const {
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return createIndex(row, column);
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}
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QModelIndex GraphicsVertexShaderModel::parent(const QModelIndex& child) const {
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return QModelIndex();
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}
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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 info.code.size();
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}
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QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orientation, int role) const {
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switch(role) {
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case Qt::DisplayRole:
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{
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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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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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{
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switch (index.column()) {
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case 0:
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if (info.HasLabel(index.row()))
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return QString::fromStdString(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(info.code[index.row()].hex, 8, 16, QLatin1Char('0'));
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case 2:
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{
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std::stringstream output;
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output.flags(std::ios::hex);
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Instruction instr = info.code[index.row()];
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const SwizzlePattern& swizzle = info.swizzle_info[instr.common.operand_desc_id].pattern;
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// longest known instruction name: "setemit "
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output << std::setw(8) << std::left << instr.opcode.GetInfo().name;
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// e.g. "-c92.xyzw"
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static auto print_input = [](std::stringstream& output, const SourceRegister& input,
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bool negate, const std::string& swizzle_mask) {
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output << std::setw(4) << std::right << (negate ? "-" : "") + input.GetName();
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output << "." << swizzle_mask;
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};
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// e.g. "-c92[a0.x].xyzw"
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static auto print_input_indexed = [](std::stringstream& output, const SourceRegister& input,
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bool negate, const std::string& swizzle_mask,
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const std::string& address_register_name) {
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std::string relative_address;
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if (!address_register_name.empty())
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relative_address = "[" + address_register_name + "]";
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output << std::setw(10) << std::right << (negate ? "-" : "") + input.GetName() + relative_address;
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output << "." << swizzle_mask;
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};
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// Use print_input or print_input_indexed depending on whether relative addressing is used or not.
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static auto print_input_indexed_compact = [](std::stringstream& output, const SourceRegister& input,
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bool negate, const std::string& swizzle_mask,
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const std::string& address_register_name) {
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if (address_register_name.empty())
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print_input(output, input, negate, swizzle_mask);
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else
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print_input_indexed(output, input, negate, swizzle_mask, address_register_name);
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};
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switch (instr.opcode.GetInfo().type) {
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case Instruction::OpCodeType::Trivial:
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// Nothing to do here
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break;
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case Instruction::OpCodeType::Arithmetic:
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{
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// Use custom code for special instructions
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switch (instr.opcode.EffectiveOpCode()) {
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case Instruction::OpCode::CMP:
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{
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// NOTE: CMP always writes both cc components, so we do not consider the dest mask here.
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output << std::setw(4) << std::right << "cc.";
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output << "xy ";
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SourceRegister src1 = instr.common.GetSrc1(false);
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SourceRegister src2 = instr.common.GetSrc2(false);
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print_input_indexed_compact(output, src1, swizzle.negate_src1, swizzle.SelectorToString(false).substr(0,1), instr.common.AddressRegisterName());
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output << " " << instr.common.compare_op.ToString(instr.common.compare_op.x) << " ";
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print_input(output, src2, swizzle.negate_src2, swizzle.SelectorToString(false).substr(0,1));
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output << ", ";
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print_input_indexed_compact(output, src1, swizzle.negate_src1, swizzle.SelectorToString(false).substr(1,1), instr.common.AddressRegisterName());
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output << " " << instr.common.compare_op.ToString(instr.common.compare_op.y) << " ";
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print_input(output, src2, swizzle.negate_src2, swizzle.SelectorToString(false).substr(1,1));
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break;
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}
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default:
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{
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bool src_is_inverted = 0 != (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::SrcInversed);
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if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::Dest) {
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// e.g. "r12.xy__"
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output << std::setw(4) << std::right << instr.common.dest.GetName() + ".";
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output << swizzle.DestMaskToString();
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} else if (instr.opcode.GetInfo().subtype == Instruction::OpCodeInfo::MOVA) {
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output << std::setw(4) << std::right << "a0.";
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output << swizzle.DestMaskToString();
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} else {
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output << " ";
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}
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output << " ";
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if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::Src1) {
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SourceRegister src1 = instr.common.GetSrc1(src_is_inverted);
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print_input_indexed(output, src1, swizzle.negate_src1, swizzle.SelectorToString(false), instr.common.AddressRegisterName());
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} else {
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output << " ";
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}
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// TODO: In some cases, the Address Register is used as an index for SRC2 instead of SRC1
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if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::Src2) {
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SourceRegister src2 = instr.common.GetSrc2(src_is_inverted);
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print_input(output, src2, swizzle.negate_src2, swizzle.SelectorToString(false));
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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 Instruction::OpCodeType::Conditional:
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{
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switch (instr.opcode.EffectiveOpCode()) {
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case Instruction::OpCode::LOOP:
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output << "(unknown instruction format)";
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break;
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default:
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output << "if ";
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if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::HasCondition) {
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const char* ops[] = {
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" || ", " && ", "", ""
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};
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if (instr.flow_control.op != instr.flow_control.JustY)
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output << ((!instr.flow_control.refx) ? "!" : " ") << "cc.x";
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output << ops[instr.flow_control.op];
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if (instr.flow_control.op != instr.flow_control.JustX)
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output << ((!instr.flow_control.refy) ? "!" : " ") << "cc.y";
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output << " ";
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} else if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::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 (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::HasAlternative) {
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output << "else jump to 0x" << std::setw(4) << std::right << std::setfill('0') << 4 * instr.flow_control.dest_offset << " ";
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} else if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::HasExplicitDest) {
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output << "jump to 0x" << std::setw(4) << std::right << std::setfill('0') << 4 * instr.flow_control.dest_offset << " ";
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} else {
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// TODO: Handle other cases
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}
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if (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::HasFinishPoint) {
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output << "(return on " << std::setw(4) << std::right << std::setfill('0')
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<< 4 * instr.flow_control.dest_offset + 4 * instr.flow_control.num_instructions << ")";
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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 QFont("monospace");
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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 GraphicsVertexShaderModel::OnUpdate()
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{
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beginResetModel();
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info.Clear();
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for (auto instr : Pica::VertexShader::GetShaderBinary())
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info.code.push_back({instr});
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for (auto pattern : Pica::VertexShader::GetSwizzlePatterns())
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info.swizzle_info.push_back({pattern});
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info.labels.insert({Pica::registers.vs_main_offset, "main"});
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endResetModel();
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}
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GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(std::shared_ptr< Pica::DebugContext > debug_context,
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QWidget* parent)
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: BreakPointObserverDock(debug_context, "Pica Vertex Shader", parent) {
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setObjectName("PicaVertexShader");
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auto binary_model = new GraphicsVertexShaderModel(this);
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auto binary_list = new QTreeView;
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binary_list->setModel(binary_model);
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binary_list->setRootIsDecorated(false);
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binary_list->setAlternatingRowColors(true);
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connect(this, SIGNAL(Update()), binary_model, SLOT(OnUpdate()));
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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 sub_layout = new QHBoxLayout;
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sub_layout->addWidget(binary_list);
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main_layout->addLayout(sub_layout);
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}
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main_widget->setLayout(main_layout);
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setWidget(main_widget);
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}
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void GraphicsVertexShaderWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data) {
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emit Update();
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widget()->setEnabled(true);
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}
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void GraphicsVertexShaderWidget::OnResumed() {
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widget()->setEnabled(false);
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}
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