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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <functional>
#include <vector>
#include "core/hle/service/gsp_gpu.h"
#include "command_processor.h"
#include "pica.h"
class GraphicsDebugger
{
public:
// Base class for all objects which need to be notified about GPU events
class DebuggerObserver
{
public:
DebuggerObserver() : observed(nullptr) { }
virtual ~DebuggerObserver()
{
if (observed)
observed->UnregisterObserver(this);
}
/**
* Called when a GX command has been processed and is ready for being
* read via GraphicsDebugger::ReadGXCommandHistory.
* @param total_command_count Total number of commands in the GX history
* @note All methods in this class are called from the GSP thread
*/
virtual void GXCommandProcessed(int total_command_count)
{
const GSP_GPU::Command& cmd = observed->ReadGXCommandHistory(total_command_count-1);
LOG_TRACE(Debug_GPU, "Received command: id=%x", (int)cmd.id.Value());
}
protected:
const GraphicsDebugger* GetDebugger() const
{
return observed;
}
private:
GraphicsDebugger* observed;
bool in_destruction;
friend class GraphicsDebugger;
};
void GXCommandProcessed(u8* command_data)
{
if (observers.empty())
return;
gx_command_history.emplace_back();
GSP_GPU::Command& cmd = gx_command_history.back();
memcpy(&cmd, command_data, sizeof(GSP_GPU::Command));
ForEachObserver([this](DebuggerObserver* observer) {
observer->GXCommandProcessed(static_cast<int>(this->gx_command_history.size()));
} );
}
const GSP_GPU::Command& ReadGXCommandHistory(int index) const
{
// TODO: Is this thread-safe?
return gx_command_history[index];
}
void RegisterObserver(DebuggerObserver* observer)
{
// TODO: Check for duplicates
observers.push_back(observer);
observer->observed = this;
}
void UnregisterObserver(DebuggerObserver* observer)
{
observers.erase(std::remove(observers.begin(), observers.end(), observer), observers.end());
observer->observed = nullptr;
}
private:
void ForEachObserver(std::function<void (DebuggerObserver*)> func)
{
std::for_each(observers.begin(),observers.end(), func);
}
std::vector<DebuggerObserver*> observers;
std::vector<GSP_GPU::Command> gx_command_history;
};
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