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Pica/citra-qt: Replace command list view and command list debugging code with something more sophisticated.

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This commit is contained in:
Tony Wasserka 2014-08-14 19:21:55 +02:00
parent 0465adf206
commit 26ade98411
8 changed files with 142 additions and 194 deletions
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132
src/citra_qt/debugger/graphics_cmdlists.cpp
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@ -2,53 +2,21 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "graphics_cmdlists.hxx"
#include <QListView>
#include <QPushButton>
#include <QVBoxLayout>
#include <QTreeView>
extern GraphicsDebugger g_debugger;
#include "graphics_cmdlists.hxx"
GPUCommandListModel::GPUCommandListModel(QObject* parent) : QAbstractItemModel(parent)
GPUCommandListModel::GPUCommandListModel(QObject* parent) : QAbstractListModel(parent)
{
root_item = new TreeItem(TreeItem::ROOT, 0, NULL, this);
connect(this, SIGNAL(CommandListCalled()), this, SLOT(OnCommandListCalledInternal()), Qt::UniqueConnection);
}
QModelIndex GPUCommandListModel::index(int row, int column, const QModelIndex& parent) const
{
TreeItem* item;
if (!parent.isValid()) {
item = root_item;
} else {
item = (TreeItem*)parent.internalPointer();
}
return createIndex(row, column, item->children[row]);
}
QModelIndex GPUCommandListModel::parent(const QModelIndex& child) const
{
if (!child.isValid())
return QModelIndex();
TreeItem* item = (TreeItem*)child.internalPointer();
if (item->parent == NULL)
return QModelIndex();
return createIndex(item->parent->index, 0, item->parent);
}
int GPUCommandListModel::rowCount(const QModelIndex& parent) const
{
TreeItem* item;
if (!parent.isValid()) {
item = root_item;
} else {
item = (TreeItem*)parent.internalPointer();
}
return item->children.size();
return pica_trace.writes.size();
}
int GPUCommandListModel::columnCount(const QModelIndex& parent) const
@ -61,79 +29,67 @@ QVariant GPUCommandListModel::data(const QModelIndex& index, int role) const
if (!index.isValid())
return QVariant();
const TreeItem* item = (const TreeItem*)index.internalPointer();
if (item->type == TreeItem::COMMAND_LIST)
{
const GraphicsDebugger::PicaCommandList& cmdlist = command_lists[item->index].second;
u32 address = command_lists[item->index].first;
if (role == Qt::DisplayRole && index.column() == 0)
{
return QVariant(QString("0x%1 bytes at 0x%2").arg(cmdlist.size(), 0, 16).arg(address, 8, 16, QLatin1Char('0')));
}
}
else
{
// index refers to a specific command
const GraphicsDebugger::PicaCommandList& cmdlist = command_lists[item->parent->index].second;
const GraphicsDebugger::PicaCommand& cmd = cmdlist[item->index];
const Pica::CommandProcessor::CommandHeader& header = cmd.GetHeader();
const auto& writes = pica_trace.writes;
const Pica::CommandProcessor::CommandHeader cmd{writes[index.row()].Id()};
const u32 val{writes[index.row()].Value()};
if (role == Qt::DisplayRole) {
QString content;
if (index.column() == 0) {
content = QString::fromLatin1(Pica::Regs::GetCommandName(header.cmd_id).c_str());
content = QString::fromLatin1(Pica::Regs::GetCommandName(cmd.cmd_id).c_str());
content.append(" ");
} else if (index.column() == 1) {
for (int j = 0; j < cmd.size(); ++j)
content.append(QString("%1 ").arg(cmd[j], 8, 16, QLatin1Char('0')));
content.append(QString("%1 ").arg(cmd.hex, 8, 16, QLatin1Char('0')));
content.append(QString("%1 ").arg(val, 8, 16, QLatin1Char('0')));
}
return QVariant(content);
}
}
return QVariant();
}
void GPUCommandListModel::OnCommandListCalled(const GraphicsDebugger::PicaCommandList& lst, bool is_new)
{
emit CommandListCalled();
}
void GPUCommandListModel::OnCommandListCalledInternal()
void GPUCommandListModel::OnPicaTraceFinished(const Pica::DebugUtils::PicaTrace& trace)
{
beginResetModel();
command_lists = GetDebugger()->GetCommandLists();
// delete root item and rebuild tree
delete root_item;
root_item = new TreeItem(TreeItem::ROOT, 0, NULL, this);
for (int command_list_idx = 0; command_list_idx < command_lists.size(); ++command_list_idx) {
TreeItem* command_list_item = new TreeItem(TreeItem::COMMAND_LIST, command_list_idx, root_item, root_item);
root_item->children.push_back(command_list_item);
const GraphicsDebugger::PicaCommandList& command_list = command_lists[command_list_idx].second;
for (int command_idx = 0; command_idx < command_list.size(); ++command_idx) {
TreeItem* command_item = new TreeItem(TreeItem::COMMAND, command_idx, command_list_item, command_list_item);
command_list_item->children.push_back(command_item);
}
}
pica_trace = trace;
endResetModel();
}
GPUCommandListWidget::GPUCommandListWidget(QWidget* parent) : QDockWidget(tr("Pica Command List"), parent)
{
GPUCommandListModel* model = new GPUCommandListModel(this);
g_debugger.RegisterObserver(model);
QTreeView* tree_widget = new QTreeView;
tree_widget->setModel(model);
tree_widget->setFont(QFont("monospace"));
setWidget(tree_widget);
QWidget* main_widget = new QWidget;
QTreeView* list_widget = new QTreeView;
list_widget->setModel(model);
list_widget->setFont(QFont("monospace"));
list_widget->setRootIsDecorated(false);
QPushButton* toggle_tracing = new QPushButton(tr("Start Tracing"));
connect(toggle_tracing, SIGNAL(clicked()), this, SLOT(OnToggleTracing()));
connect(this, SIGNAL(TracingFinished(const Pica::DebugUtils::PicaTrace&)),
model, SLOT(OnPicaTraceFinished(const Pica::DebugUtils::PicaTrace&)));
QVBoxLayout* main_layout = new QVBoxLayout;
main_layout->addWidget(list_widget);
main_layout->addWidget(toggle_tracing);
main_widget->setLayout(main_layout);
setWidget(main_widget);
}
void GPUCommandListWidget::OnToggleTracing()
{
if (!Pica::DebugUtils::IsPicaTracing()) {
Pica::DebugUtils::StartPicaTracing();
} else {
pica_trace = Pica::DebugUtils::FinishPicaTracing();
emit TracingFinished(*pica_trace);
}
}

42
src/citra_qt/debugger/graphics_cmdlists.hxx
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@ -4,53 +4,28 @@
#pragma once
#include <QAbstractItemModel>
#include <QAbstractListModel>
#include <QDockWidget>
#include "video_core/gpu_debugger.h"
#include "video_core/debug_utils/debug_utils.h"
// TODO: Rename class, since it's not actually a list model anymore...
class GPUCommandListModel : public QAbstractItemModel, public GraphicsDebugger::DebuggerObserver
class GPUCommandListModel : public QAbstractListModel
{
Q_OBJECT
public:
GPUCommandListModel(QObject* parent);
QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex& child) const;
int columnCount(const QModelIndex& parent = QModelIndex()) const;
int rowCount(const QModelIndex& parent = QModelIndex()) const override;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
public:
void OnCommandListCalled(const GraphicsDebugger::PicaCommandList& lst, bool is_new) override;
public slots:
void OnCommandListCalledInternal();
signals:
void CommandListCalled();
void OnPicaTraceFinished(const Pica::DebugUtils::PicaTrace& trace);
private:
struct TreeItem : public QObject
{
enum Type {
ROOT,
COMMAND_LIST,
COMMAND
};
TreeItem(Type type, int index, TreeItem* item_parent, QObject* parent) : QObject(parent), type(type), index(index), parent(item_parent) {}
Type type;
int index;
std::vector<TreeItem*> children;
TreeItem* parent;
};
std::vector<std::pair<u32,GraphicsDebugger::PicaCommandList>> command_lists;
TreeItem* root_item;
Pica::DebugUtils::PicaTrace pica_trace;
};
class GPUCommandListWidget : public QDockWidget
@ -60,5 +35,12 @@ class GPUCommandListWidget : public QDockWidget
public:
GPUCommandListWidget(QWidget* parent = 0);
public slots:
void OnToggleTracing();
signals:
void TracingFinished(const Pica::DebugUtils::PicaTrace&);
private:
std::unique_ptr<Pica::DebugUtils::PicaTrace> pica_trace;
};

4
src/citra_qt/main.cpp
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@ -52,11 +52,11 @@ GMainWindow::GMainWindow()
graphicsWidget = new GPUCommandStreamWidget(this);
addDockWidget(Qt::RightDockWidgetArea, graphicsWidget);
callstackWidget->hide();
graphicsWidget ->hide();
graphicsCommandsWidget = new GPUCommandListWidget(this);
addDockWidget(Qt::RightDockWidgetArea, graphicsCommandsWidget);
callstackWidget->hide();
graphicsCommandsWidget->hide();
QMenu* debug_menu = ui.menu_View->addMenu(tr("Debugging"));
debug_menu->addAction(disasmWidget->toggleViewAction());

5
src/core/hle/service/gsp.cpp
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@ -230,11 +230,6 @@ void ExecuteCommand(const Command& command, u32 thread_id) {
// TODO: Not sure if we are supposed to always write this .. seems to trigger processing though
WriteGPURegister(GPU_REG_INDEX(command_processor_config.trigger), 1);
// TODO: Move this to GPU
// TODO: Not sure what units the size is measured in
g_debugger.CommandListCalled(params.address,
(u32*)Memory::GetPointer(params.address),
params.size);
SignalInterrupt(InterruptId::P3D);
break;
}

2
src/video_core/command_processor.cpp
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@ -33,6 +33,8 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
u32 old_value = registers[id];
registers[id] = (old_value & ~mask) | (value & mask);
DebugUtils::OnPicaRegWrite(id, registers[id]);
switch(id) {
// It seems like these trigger vertex rendering
case PICA_REG_INDEX(trigger_draw):

55
src/video_core/debug_utils/debug_utils.cpp
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@ -4,6 +4,7 @@
#include <algorithm>
#include <fstream>
#include <mutex>
#include <string>
#include "video_core/pica.h"
@ -260,6 +261,60 @@ void DumpShader(const u32* binary_data, u32 binary_size, const u32* swizzle_data
}
}
static std::unique_ptr<PicaTrace> pica_trace;
static std::mutex pica_trace_mutex;
static int is_pica_tracing = false;
void StartPicaTracing()
{
if (is_pica_tracing) {
ERROR_LOG(GPU, "StartPicaTracing called even though tracing already running!");
return;
}
pica_trace_mutex.lock();
pica_trace = std::unique_ptr<PicaTrace>(new PicaTrace);
is_pica_tracing = true;
pica_trace_mutex.unlock();
}
bool IsPicaTracing()
{
return is_pica_tracing;
}
void OnPicaRegWrite(u32 id, u32 value)
{
// Double check for is_pica_tracing to avoid pointless locking overhead
if (!is_pica_tracing)
return;
std::unique_lock<std::mutex> lock(pica_trace_mutex);
if (!is_pica_tracing)
return;
pica_trace->writes.push_back({id, value});
}
std::unique_ptr<PicaTrace> FinishPicaTracing()
{
if (!is_pica_tracing) {
ERROR_LOG(GPU, "FinishPicaTracing called even though tracing already running!");
return {};
}
// signalize that no further tracing should be performed
is_pica_tracing = false;
// Wait until running tracing is finished
pica_trace_mutex.lock();
std::unique_ptr<PicaTrace> ret(std::move(pica_trace));
pica_trace_mutex.unlock();
return std::move(ret);
}
} // namespace
} // namespace

21
src/video_core/debug_utils/debug_utils.h
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@ -5,6 +5,7 @@
#pragma once
#include <array>
#include <memory>
#include <vector>
#include "video_core/pica.h"
@ -38,6 +39,26 @@ private:
void DumpShader(const u32* binary_data, u32 binary_size, const u32* swizzle_data, u32 swizzle_size,
u32 main_offset, const Regs::VSOutputAttributes* output_attributes);
// Utility class to log Pica commands.
struct PicaTrace {
struct Write : public std::pair<u32,u32> {
Write(u32 id, u32 value) : std::pair<u32,u32>(id, value) {}
u32& Id() { return first; }
const u32& Id() const { return first; }
u32& Value() { return second; }
const u32& Value() const { return second; }
};
std::vector<Write> writes;
};
void StartPicaTracing();
bool IsPicaTracing();
void OnPicaRegWrite(u32 id, u32 value);
std::unique_ptr<PicaTrace> FinishPicaTracing();
} // namespace
} // namespace

63
src/video_core/gpu_debugger.h
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@ -18,19 +18,6 @@
class GraphicsDebugger
{
public:
// A few utility structs used to expose data
// A vector of commands represented by their raw byte sequence
struct PicaCommand : public std::vector<u32>
{
const Pica::CommandProcessor::CommandHeader& GetHeader() const
{
const u32& val = at(1);
return *(Pica::CommandProcessor::CommandHeader*)&val;
}
};
typedef std::vector<PicaCommand> PicaCommandList;
// Base class for all objects which need to be notified about GPU events
class DebuggerObserver
{
@ -55,16 +42,6 @@ public:
ERROR_LOG(GSP, "Received command: id=%x", (int)cmd.id.Value());
}
/**
* @param lst command list which triggered this call
* @param is_new true if the command list was called for the first time
* @todo figure out how to make sure called functions don't keep references around beyond their life time
*/
virtual void OnCommandListCalled(const PicaCommandList& lst, bool is_new)
{
ERROR_LOG(GSP, "Command list called: %d", (int)is_new);
}
protected:
const GraphicsDebugger* GetDebugger() const
{
@ -93,49 +70,12 @@ public:
} );
}
void CommandListCalled(u32 address, u32* command_list, u32 size_in_words)
{
if (observers.empty())
return;
PicaCommandList cmdlist;
for (u32* parse_pointer = command_list; parse_pointer < command_list + size_in_words;)
{
const Pica::CommandProcessor::CommandHeader& header = *(Pica::CommandProcessor::CommandHeader*)(&parse_pointer[1]);
cmdlist.push_back(PicaCommand());
auto& cmd = cmdlist.back();
size_t size = 2 + header.extra_data_length;
size = (size + 1) / 2 * 2; // align to 8 bytes
cmd.reserve(size);
std::copy(parse_pointer, parse_pointer + size, std::back_inserter(cmd));
parse_pointer += size;
}
auto obj = std::pair<u32,PicaCommandList>(address, cmdlist);
auto it = std::find(command_lists.begin(), command_lists.end(), obj);
bool is_new = (it == command_lists.end());
if (is_new)
command_lists.push_back(obj);
ForEachObserver([&](DebuggerObserver* observer) {
observer->OnCommandListCalled(obj.second, is_new);
} );
}
const GSP_GPU::Command& ReadGXCommandHistory(int index) const
{
// TODO: Is this thread-safe?
return gx_command_history[index];
}
const std::vector<std::pair<u32,PicaCommandList>>& GetCommandLists() const
{
return command_lists;
}
void RegisterObserver(DebuggerObserver* observer)
{
// TODO: Check for duplicates
@ -158,7 +98,4 @@ private:
std::vector<DebuggerObserver*> observers;
std::vector<GSP_GPU::Command> gx_command_history;
// vector of pairs of command lists and their storage address
std::vector<std::pair<u32,PicaCommandList>> command_lists;
};