diff options
Diffstat (limited to 'src/core/tracer/recorder.cpp')
| -rw-r--r-- | src/core/tracer/recorder.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/core/tracer/recorder.cpp b/src/core/tracer/recorder.cpp new file mode 100644 index 000000000..656706c0c --- /dev/null +++ b/src/core/tracer/recorder.cpp @@ -0,0 +1,187 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <cstring> + +#include "common/assert.h" +#include "common/file_util.h" +#include "common/logging/log.h" + +#include "recorder.h" + +namespace CiTrace { + +Recorder::Recorder(const InitialState& initial_state) : initial_state(initial_state) { + +} + +void Recorder::Finish(const std::string& filename) { + // Setup CiTrace header + CTHeader header; + std::memcpy(header.magic, CTHeader::ExpectedMagicWord(), 4); + header.version = CTHeader::ExpectedVersion(); + header.header_size = sizeof(CTHeader); + + // Calculate file offsets + auto& initial = header.initial_state_offsets; + + initial.gpu_registers_size = initial_state.gpu_registers.size(); + initial.lcd_registers_size = initial_state.lcd_registers.size(); + initial.pica_registers_size = initial_state.pica_registers.size(); + initial.default_attributes_size = initial_state.default_attributes.size(); + initial.vs_program_binary_size = initial_state.vs_program_binary.size(); + initial.vs_swizzle_data_size = initial_state.vs_swizzle_data.size(); + initial.vs_float_uniforms_size = initial_state.vs_float_uniforms.size(); + initial.gs_program_binary_size = initial_state.gs_program_binary.size(); + initial.gs_swizzle_data_size = initial_state.gs_swizzle_data.size(); + initial.gs_float_uniforms_size = initial_state.gs_float_uniforms.size(); + header.stream_size = stream.size(); + + initial.gpu_registers = sizeof(header); + initial.lcd_registers = initial.gpu_registers + initial.gpu_registers_size * sizeof(u32); + initial.pica_registers = initial.lcd_registers + initial.lcd_registers_size * sizeof(u32);; + initial.default_attributes = initial.pica_registers + initial.pica_registers_size * sizeof(u32); + initial.vs_program_binary = initial.default_attributes + initial.default_attributes_size * sizeof(u32); + initial.vs_swizzle_data = initial.vs_program_binary + initial.vs_program_binary_size * sizeof(u32); + initial.vs_float_uniforms = initial.vs_swizzle_data + initial.vs_swizzle_data_size * sizeof(u32); + initial.gs_program_binary = initial.vs_float_uniforms + initial.vs_float_uniforms_size * sizeof(u32); + initial.gs_swizzle_data = initial.gs_program_binary + initial.gs_program_binary_size * sizeof(u32); + initial.gs_float_uniforms = initial.gs_swizzle_data + initial.gs_swizzle_data_size * sizeof(u32); + header.stream_offset = initial.gs_float_uniforms + initial.gs_float_uniforms_size * sizeof(u32); + + // Iterate through stream elements, update relevant stream element data + for (auto& stream_element : stream) { + switch (stream_element.data.type) { + case MemoryLoad: + { + auto& file_offset = memory_regions[stream_element.hash]; + if (!stream_element.uses_existing_data) { + file_offset = header.stream_offset; + } + stream_element.data.memory_load.file_offset = file_offset; + break; + } + + default: + // Other commands don't use any extra data + DEBUG_ASSERT(stream_element.extra_data.size() == 0); + break; + } + header.stream_offset += stream_element.extra_data.size(); + } + + try { + // Open file and write header + FileUtil::IOFile file(filename, "wb"); + size_t written = file.WriteObject(header); + if (written != 1 || file.Tell() != initial.gpu_registers) + throw "Failed to write header"; + + // Write initial state + written = file.WriteArray(initial_state.gpu_registers.data(), initial_state.gpu_registers.size()); + if (written != initial_state.gpu_registers.size() || file.Tell() != initial.lcd_registers) + throw "Failed to write GPU registers"; + + written = file.WriteArray(initial_state.lcd_registers.data(), initial_state.lcd_registers.size()); + if (written != initial_state.lcd_registers.size() || file.Tell() != initial.pica_registers) + throw "Failed to write LCD registers"; + + written = file.WriteArray(initial_state.pica_registers.data(), initial_state.pica_registers.size()); + if (written != initial_state.pica_registers.size() || file.Tell() != initial.default_attributes) + throw "Failed to write Pica registers"; + + written = file.WriteArray(initial_state.default_attributes.data(), initial_state.default_attributes.size()); + if (written != initial_state.default_attributes.size() || file.Tell() != initial.vs_program_binary) + throw "Failed to write default vertex attributes"; + + written = file.WriteArray(initial_state.vs_program_binary.data(), initial_state.vs_program_binary.size()); + if (written != initial_state.vs_program_binary.size() || file.Tell() != initial.vs_swizzle_data) + throw "Failed to write vertex shader program binary"; + + written = file.WriteArray(initial_state.vs_swizzle_data.data(), initial_state.vs_swizzle_data.size()); + if (written != initial_state.vs_swizzle_data.size() || file.Tell() != initial.vs_float_uniforms) + throw "Failed to write vertex shader swizzle data"; + + written = file.WriteArray(initial_state.vs_float_uniforms.data(), initial_state.vs_float_uniforms.size()); + if (written != initial_state.vs_float_uniforms.size() || file.Tell() != initial.gs_program_binary) + throw "Failed to write vertex shader float uniforms"; + + written = file.WriteArray(initial_state.gs_program_binary.data(), initial_state.gs_program_binary.size()); + if (written != initial_state.gs_program_binary.size() || file.Tell() != initial.gs_swizzle_data) + throw "Failed to write geomtry shader program binary"; + + written = file.WriteArray(initial_state.gs_swizzle_data.data(), initial_state.gs_swizzle_data.size()); + if (written != initial_state.gs_swizzle_data.size() || file.Tell() != initial.gs_float_uniforms) + throw "Failed to write geometry shader swizzle data"; + + written = file.WriteArray(initial_state.gs_float_uniforms.data(), initial_state.gs_float_uniforms.size()); + if (written != initial_state.gs_float_uniforms.size() || file.Tell() != initial.gs_float_uniforms + sizeof(u32) * initial.gs_float_uniforms_size) + throw "Failed to write geometry shader float uniforms"; + + // Iterate through stream elements, write "extra data" + for (const auto& stream_element : stream) { + if (stream_element.extra_data.size() == 0) + continue; + + written = file.WriteBytes(stream_element.extra_data.data(), stream_element.extra_data.size()); + if (written != stream_element.extra_data.size()) + throw "Failed to write extra data"; + } + + if (file.Tell() != header.stream_offset) + throw "Unexpected end of extra data"; + + // Write actual stream elements + for (const auto& stream_element : stream) { + if (1 != file.WriteObject(stream_element.data)) + throw "Failed to write stream element"; + } + } catch(const char* str) { + LOG_ERROR(HW_GPU, "Writing CiTrace file failed: %s", str); + } +} + +void Recorder::FrameFinished() { + stream.push_back( { FrameMarker } ); +} + +void Recorder::MemoryAccessed(const u8* data, u32 size, u32 physical_address) { + StreamElement element = { MemoryLoad }; + element.data.memory_load.size = size; + element.data.memory_load.physical_address = physical_address; + + // Compute hash over given memory region to check if the contents are already stored internally + boost::crc_32_type result; + result.process_bytes(data, size); + element.hash = result.checksum(); + + element.uses_existing_data = (memory_regions.find(element.hash) != memory_regions.end()); + if (!element.uses_existing_data) { + element.extra_data.resize(size); + memcpy(element.extra_data.data(), data, size); + memory_regions.insert({element.hash, 0}); // file offset will be initialized in Finish() + } + + stream.push_back(element); +} + +template<typename T> +void Recorder::RegisterWritten(u32 physical_address, T value) { + StreamElement element = { RegisterWrite }; + element.data.register_write.size = (sizeof(T) == 1) ? CTRegisterWrite::SIZE_8 + : (sizeof(T) == 2) ? CTRegisterWrite::SIZE_16 + : (sizeof(T) == 4) ? CTRegisterWrite::SIZE_32 + : CTRegisterWrite::SIZE_64; + element.data.register_write.physical_address = physical_address; + element.data.register_write.value = value; + + stream.push_back(element); +} + +template void Recorder::RegisterWritten(u32,u8); +template void Recorder::RegisterWritten(u32,u16); +template void Recorder::RegisterWritten(u32,u32); +template void Recorder::RegisterWritten(u32,u64); + +} |