bunnei
GitHub
commit
c28694d907
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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namespace CiTrace {
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// NOTE: Things are stored in little-endian
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#pragma pack(1)
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struct CTHeader {
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static const char* ExpectedMagicWord() {
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return "CiTr";
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}
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static u32 ExpectedVersion() {
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return 1;
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}
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char magic[4];
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u32 version;
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u32 header_size;
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struct {
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// NOTE: Register range sizes are technically hardware-constants, but the actual limits
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// aren't known. Hence we store the presumed limits along the offsets.
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// Sizes are given in u32 units.
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u32 gpu_registers;
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u32 gpu_registers_size;
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u32 lcd_registers;
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u32 lcd_registers_size;
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u32 pica_registers;
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u32 pica_registers_size;
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u32 default_attributes;
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u32 default_attributes_size;
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u32 vs_program_binary;
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u32 vs_program_binary_size;
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u32 vs_swizzle_data;
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u32 vs_swizzle_data_size;
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u32 vs_float_uniforms;
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u32 vs_float_uniforms_size;
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u32 gs_program_binary;
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u32 gs_program_binary_size;
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u32 gs_swizzle_data;
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u32 gs_swizzle_data_size;
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u32 gs_float_uniforms;
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u32 gs_float_uniforms_size;
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// Other things we might want to store here:
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// - Initial framebuffer data, maybe even a full copy of FCRAM/VRAM
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// - Lookup tables for fragment lighting
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// - Lookup tables for procedural textures
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} initial_state_offsets;
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u32 stream_offset;
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u32 stream_size;
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};
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enum CTStreamElementType : u32 {
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FrameMarker = 0xE1,
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MemoryLoad = 0xE2,
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RegisterWrite = 0xE3,
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};
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struct CTMemoryLoad {
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u32 file_offset;
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u32 size;
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u32 physical_address;
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u32 pad;
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};
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struct CTRegisterWrite {
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u32 physical_address;
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enum : u32 {
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SIZE_8 = 0xD1,
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SIZE_16 = 0xD2,
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SIZE_32 = 0xD3,
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SIZE_64 = 0xD4,
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} size;
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// TODO: Make it clearer which bits of this member are used for sizes other than 32 bits
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u64 value;
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};
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struct CTStreamElement {
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CTStreamElementType type;
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union {
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CTMemoryLoad memory_load;
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CTRegisterWrite register_write;
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};
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};
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#pragma pack()
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} // namespace CiTrace
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@ -1,208 +0,0 @@
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include "common/assert.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "core/tracer/recorder.h"
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namespace CiTrace {
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Recorder::Recorder(const InitialState& initial_state) : initial_state(initial_state) {}
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void Recorder::Finish(const std::string& filename) {
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// Setup CiTrace header
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CTHeader header;
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std::memcpy(header.magic, CTHeader::ExpectedMagicWord(), 4);
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header.version = CTHeader::ExpectedVersion();
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header.header_size = sizeof(CTHeader);
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// Calculate file offsets
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auto& initial = header.initial_state_offsets;
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initial.gpu_registers_size = static_cast<u32>(initial_state.gpu_registers.size());
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initial.lcd_registers_size = static_cast<u32>(initial_state.lcd_registers.size());
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initial.pica_registers_size = static_cast<u32>(initial_state.pica_registers.size());
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initial.default_attributes_size = static_cast<u32>(initial_state.default_attributes.size());
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initial.vs_program_binary_size = static_cast<u32>(initial_state.vs_program_binary.size());
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initial.vs_swizzle_data_size = static_cast<u32>(initial_state.vs_swizzle_data.size());
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initial.vs_float_uniforms_size = static_cast<u32>(initial_state.vs_float_uniforms.size());
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initial.gs_program_binary_size = static_cast<u32>(initial_state.gs_program_binary.size());
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initial.gs_swizzle_data_size = static_cast<u32>(initial_state.gs_swizzle_data.size());
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initial.gs_float_uniforms_size = static_cast<u32>(initial_state.gs_float_uniforms.size());
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header.stream_size = static_cast<u32>(stream.size());
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initial.gpu_registers = sizeof(header);
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initial.lcd_registers = initial.gpu_registers + initial.gpu_registers_size * sizeof(u32);
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initial.pica_registers = initial.lcd_registers + initial.lcd_registers_size * sizeof(u32);
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;
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initial.default_attributes = initial.pica_registers + initial.pica_registers_size * sizeof(u32);
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initial.vs_program_binary =
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initial.default_attributes + initial.default_attributes_size * sizeof(u32);
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initial.vs_swizzle_data =
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initial.vs_program_binary + initial.vs_program_binary_size * sizeof(u32);
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initial.vs_float_uniforms =
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initial.vs_swizzle_data + initial.vs_swizzle_data_size * sizeof(u32);
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initial.gs_program_binary =
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initial.vs_float_uniforms + initial.vs_float_uniforms_size * sizeof(u32);
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initial.gs_swizzle_data =
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initial.gs_program_binary + initial.gs_program_binary_size * sizeof(u32);
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initial.gs_float_uniforms =
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initial.gs_swizzle_data + initial.gs_swizzle_data_size * sizeof(u32);
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header.stream_offset = initial.gs_float_uniforms + initial.gs_float_uniforms_size * sizeof(u32);
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// Iterate through stream elements, update relevant stream element data
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for (auto& stream_element : stream) {
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switch (stream_element.data.type) {
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case MemoryLoad: {
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auto& file_offset = memory_regions[stream_element.hash];
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if (!stream_element.uses_existing_data) {
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file_offset = header.stream_offset;
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}
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stream_element.data.memory_load.file_offset = file_offset;
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break;
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}
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default:
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// Other commands don't use any extra data
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DEBUG_ASSERT(stream_element.extra_data.size() == 0);
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break;
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}
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header.stream_offset += static_cast<u32>(stream_element.extra_data.size());
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}
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try {
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// Open file and write header
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FileUtil::IOFile file(filename, "wb");
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std::size_t written = file.WriteObject(header);
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if (written != 1 || file.Tell() != initial.gpu_registers)
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throw "Failed to write header";
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// Write initial state
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written =
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file.WriteArray(initial_state.gpu_registers.data(), initial_state.gpu_registers.size());
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if (written != initial_state.gpu_registers.size() || file.Tell() != initial.lcd_registers)
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throw "Failed to write GPU registers";
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written =
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file.WriteArray(initial_state.lcd_registers.data(), initial_state.lcd_registers.size());
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if (written != initial_state.lcd_registers.size() || file.Tell() != initial.pica_registers)
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throw "Failed to write LCD registers";
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written = file.WriteArray(initial_state.pica_registers.data(),
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initial_state.pica_registers.size());
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if (written != initial_state.pica_registers.size() ||
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file.Tell() != initial.default_attributes)
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throw "Failed to write Pica registers";
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written = file.WriteArray(initial_state.default_attributes.data(),
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initial_state.default_attributes.size());
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if (written != initial_state.default_attributes.size() ||
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file.Tell() != initial.vs_program_binary)
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throw "Failed to write default vertex attributes";
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written = file.WriteArray(initial_state.vs_program_binary.data(),
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initial_state.vs_program_binary.size());
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if (written != initial_state.vs_program_binary.size() ||
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file.Tell() != initial.vs_swizzle_data)
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throw "Failed to write vertex shader program binary";
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written = file.WriteArray(initial_state.vs_swizzle_data.data(),
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initial_state.vs_swizzle_data.size());
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if (written != initial_state.vs_swizzle_data.size() ||
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file.Tell() != initial.vs_float_uniforms)
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throw "Failed to write vertex shader swizzle data";
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written = file.WriteArray(initial_state.vs_float_uniforms.data(),
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initial_state.vs_float_uniforms.size());
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if (written != initial_state.vs_float_uniforms.size() ||
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file.Tell() != initial.gs_program_binary)
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throw "Failed to write vertex shader float uniforms";
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written = file.WriteArray(initial_state.gs_program_binary.data(),
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initial_state.gs_program_binary.size());
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if (written != initial_state.gs_program_binary.size() ||
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file.Tell() != initial.gs_swizzle_data)
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throw "Failed to write geomtry shader program binary";
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written = file.WriteArray(initial_state.gs_swizzle_data.data(),
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initial_state.gs_swizzle_data.size());
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if (written != initial_state.gs_swizzle_data.size() ||
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file.Tell() != initial.gs_float_uniforms)
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throw "Failed to write geometry shader swizzle data";
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written = file.WriteArray(initial_state.gs_float_uniforms.data(),
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initial_state.gs_float_uniforms.size());
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if (written != initial_state.gs_float_uniforms.size() ||
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file.Tell() != initial.gs_float_uniforms + sizeof(u32) * initial.gs_float_uniforms_size)
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throw "Failed to write geometry shader float uniforms";
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// Iterate through stream elements, write "extra data"
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for (const auto& stream_element : stream) {
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if (stream_element.extra_data.size() == 0)
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continue;
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written =
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file.WriteBytes(stream_element.extra_data.data(), stream_element.extra_data.size());
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if (written != stream_element.extra_data.size())
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throw "Failed to write extra data";
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}
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if (file.Tell() != header.stream_offset)
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throw "Unexpected end of extra data";
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// Write actual stream elements
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for (const auto& stream_element : stream) {
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if (1 != file.WriteObject(stream_element.data))
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throw "Failed to write stream element";
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}
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} catch (const char* str) {
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LOG_ERROR(HW_GPU, "Writing CiTrace file failed: {}", str);
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}
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}
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void Recorder::FrameFinished() {
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stream.push_back({{FrameMarker}});
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}
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void Recorder::MemoryAccessed(const u8* data, u32 size, u32 physical_address) {
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StreamElement element = {{MemoryLoad}};
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element.data.memory_load.size = size;
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element.data.memory_load.physical_address = physical_address;
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// Compute hash over given memory region to check if the contents are already stored internally
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boost::crc_32_type result;
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result.process_bytes(data, size);
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element.hash = result.checksum();
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element.uses_existing_data = (memory_regions.find(element.hash) != memory_regions.end());
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if (!element.uses_existing_data) {
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element.extra_data.resize(size);
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memcpy(element.extra_data.data(), data, size);
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memory_regions.insert({element.hash, 0}); // file offset will be initialized in Finish()
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}
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stream.push_back(element);
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}
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template <typename T>
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void Recorder::RegisterWritten(u32 physical_address, T value) {
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StreamElement element = {{RegisterWrite}};
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element.data.register_write.size =
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(sizeof(T) == 1) ? CTRegisterWrite::SIZE_8
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: (sizeof(T) == 2) ? CTRegisterWrite::SIZE_16
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: (sizeof(T) == 4) ? CTRegisterWrite::SIZE_32
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: CTRegisterWrite::SIZE_64;
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element.data.register_write.physical_address = physical_address;
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element.data.register_write.value = value;
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stream.push_back(element);
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}
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template void Recorder::RegisterWritten(u32, u8);
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template void Recorder::RegisterWritten(u32, u16);
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template void Recorder::RegisterWritten(u32, u32);
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template void Recorder::RegisterWritten(u32, u64);
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} // namespace CiTrace
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@ -1,87 +0,0 @@
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include <boost/crc.hpp>
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#include "common/common_types.h"
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#include "core/tracer/citrace.h"
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namespace CiTrace {
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class Recorder {
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public:
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struct InitialState {
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std::vector<u32> gpu_registers;
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std::vector<u32> lcd_registers;
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std::vector<u32> pica_registers;
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std::vector<u32> default_attributes;
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std::vector<u32> vs_program_binary;
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std::vector<u32> vs_swizzle_data;
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std::vector<u32> vs_float_uniforms;
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std::vector<u32> gs_program_binary;
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std::vector<u32> gs_swizzle_data;
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std::vector<u32> gs_float_uniforms;
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};
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/**
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* Recorder constructor
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* @param initial_state Initial recorder state
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*/
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explicit Recorder(const InitialState& initial_state);
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/// Finish recording of this Citrace and save it using the given filename.
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void Finish(const std::string& filename);
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/// Mark end of a frame
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void FrameFinished();
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/**
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* Store a copy of the given memory range in the recording.
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* @note Use this whenever the GPU is about to access a particular memory region.
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* @note The implementation will make sure to minimize redundant memory updates.
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*/
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void MemoryAccessed(const u8* data, u32 size, u32 physical_address);
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/**
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* Record a register write.
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* @note Use this whenever a GPU-related MMIO register has been written to.
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*/
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template <typename T>
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void RegisterWritten(u32 physical_address, T value);
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private:
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// Initial state of recording start
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InitialState initial_state;
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// Command stream
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struct StreamElement {
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||||||
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
|
|
||||||
Loading…
Reference in New Issue