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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include <unordered_map>
#include <vector>
#include <boost/crc.hpp>
#include "common/common_types.h"
#include "core/tracer/citrace.h"
namespace CiTrace {
class Recorder {
public:
struct InitialState {
std::vector<u32> gpu_registers;
std::vector<u32> lcd_registers;
std::vector<u32> pica_registers;
std::vector<u32> default_attributes;
std::vector<u32> vs_program_binary;
std::vector<u32> vs_swizzle_data;
std::vector<u32> vs_float_uniforms;
std::vector<u32> gs_program_binary;
std::vector<u32> gs_swizzle_data;
std::vector<u32> gs_float_uniforms;
};
/**
* Recorder constructor
* @param initial_state Initial recorder state
*/
explicit Recorder(const InitialState& initial_state);
/// Finish recording of this Citrace and save it using the given filename.
void Finish(const std::string& filename);
/// Mark end of a frame
void FrameFinished();
/**
* Store a copy of the given memory range in the recording.
* @note Use this whenever the GPU is about to access a particular memory region.
* @note The implementation will make sure to minimize redundant memory updates.
*/
void MemoryAccessed(const u8* data, u32 size, u32 physical_address);
/**
* Record a register write.
* @note Use this whenever a GPU-related MMIO register has been written to.
*/
template <typename T>
void RegisterWritten(u32 physical_address, T value);
private:
// Initial state of recording start
InitialState initial_state;
// Command stream
struct StreamElement {
CTStreamElement data;
/**
* Extra data to store along "core" data.
* This is e.g. used for data used in MemoryUpdates.
*/
std::vector<u8> extra_data;
/// Optional CRC hash (e.g. for hashing memory regions)
boost::crc_32_type::value_type hash;
/// If true, refer to data already written to the output file instead of extra_data
bool uses_existing_data;
};
std::vector<StreamElement> stream;
/**
* Internal cache which maps hashes of memory contents to file offsets at which those memory
* contents are stored.
*/
std::unordered_map<boost::crc_32_type::value_type /*hash*/, u32 /*file_offset*/> memory_regions;
};
} // namespace CiTrace
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