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Diffstat (limited to 'src/core/tracer/recorder.h')
-rw-r--r-- | src/core/tracer/recorder.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/core/tracer/recorder.h b/src/core/tracer/recorder.h new file mode 100644 index 00000000..6e4b7001 --- /dev/null +++ b/src/core/tracer/recorder.h @@ -0,0 +1,90 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <unordered_map> +#include <vector> + +#include <boost/crc.hpp> + +#include "common/common_types.h" + +#include "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 default_attributes Pointer to an array of 32-bit-aligned 24-bit floating point values. + * @param vs_float_uniforms Pointer to an array of 32-bit-aligned 24-bit floating point values. + */ + 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 |