Add CiTrace recording support.
This is exposed in the GUI as a new "CiTrace Recording" widget. Playback is implemented by a standalone 3DS homebrew application (which only runs reliably within Citra currently; on an actual 3DS it will often crash still).master
Tony Wasserka
parent
93d66475d4
commit
902fa4da52
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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 <memory>
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#include <QBoxLayout>
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#include <QComboBox>
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#include <QFileDialog>
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#include <QLabel>
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#include <QPushButton>
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#include <QSpinBox>
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#include "core/hw/gpu.h"
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#include "video_core/pica.h"
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#include "nihstro/float24.h"
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#include "graphics_tracing.h"
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GraphicsTracingWidget::GraphicsTracingWidget(std::shared_ptr<Pica::DebugContext> debug_context,
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QWidget* parent)
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: BreakPointObserverDock(debug_context, tr("CiTrace Recorder"), parent) {
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setObjectName("CiTracing");
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QPushButton* start_recording = new QPushButton(tr("Start Recording"));
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QPushButton* stop_recording = new QPushButton(QIcon::fromTheme("document-save"), tr("Stop and Save"));
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QPushButton* abort_recording = new QPushButton(tr("Abort Recording"));
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connect(this, SIGNAL(SetStartTracingButtonEnabled(bool)), start_recording, SLOT(setVisible(bool)));
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connect(this, SIGNAL(SetStopTracingButtonEnabled(bool)), stop_recording, SLOT(setVisible(bool)));
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connect(this, SIGNAL(SetAbortTracingButtonEnabled(bool)), abort_recording, SLOT(setVisible(bool)));
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connect(start_recording, SIGNAL(clicked()), this, SLOT(StartRecording()));
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connect(stop_recording, SIGNAL(clicked()), this, SLOT(StopRecording()));
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connect(abort_recording, SIGNAL(clicked()), this, SLOT(AbortRecording()));
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stop_recording->setVisible(false);
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abort_recording->setVisible(false);
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auto main_widget = new QWidget;
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auto main_layout = new QVBoxLayout;
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{
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auto sub_layout = new QHBoxLayout;
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sub_layout->addWidget(start_recording);
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sub_layout->addWidget(stop_recording);
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sub_layout->addWidget(abort_recording);
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main_layout->addLayout(sub_layout);
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}
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main_widget->setLayout(main_layout);
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setWidget(main_widget);
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// TODO: Make sure to have this widget disabled as soon as emulation is started!
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}
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void GraphicsTracingWidget::StartRecording() {
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auto context = context_weak.lock();
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if (!context)
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return;
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auto shader_binary = Pica::g_state.vs.program_code;
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auto swizzle_data = Pica::g_state.vs.swizzle_data;
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// Encode floating point numbers to 24-bit values
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// TODO: Drop this explicit conversion once we store float24 values bit-correctly internally.
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std::array<Math::Vec4<uint32_t>, 96> vs_float_uniforms;
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for (unsigned i = 0; i < 96; ++i)
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for (unsigned comp = 0; comp < 3; ++comp)
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vs_float_uniforms[i][comp] = nihstro::to_float24(Pica::g_state.vs.uniforms.f[i][comp].ToFloat32());
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auto recorder = new CiTrace::Recorder((u32*)&GPU::g_regs, 0x700, nullptr, 0, (u32*)&Pica::g_state.regs, 0x300,
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shader_binary.data(), shader_binary.size(),
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swizzle_data.data(), swizzle_data.size(),
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(u32*)vs_float_uniforms.data(), vs_float_uniforms.size() * 4,
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nullptr, 0, nullptr, 0, nullptr, 0 // Geometry shader is not implemented yet, so submit dummy data for now
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);
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context->recorder = std::shared_ptr<CiTrace::Recorder>(recorder);
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emit SetStartTracingButtonEnabled(false);
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emit SetStopTracingButtonEnabled(true);
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emit SetAbortTracingButtonEnabled(true);
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}
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void GraphicsTracingWidget::StopRecording() {
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auto context = context_weak.lock();
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if (!context)
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return;
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QString filename = QFileDialog::getSaveFileName(this, tr("Save CiTrace"), "citrace.ctf",
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tr("CiTrace File (*.ctf)"));
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if (filename.isEmpty()) {
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// If the user canceled the dialog, keep recording
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return;
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}
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context->recorder->Finish(filename.toStdString());
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context->recorder = nullptr;
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emit SetStopTracingButtonEnabled(false);
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emit SetAbortTracingButtonEnabled(false);
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emit SetStartTracingButtonEnabled(true);
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}
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void GraphicsTracingWidget::AbortRecording() {
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auto context = context_weak.lock();
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if (!context)
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return;
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context->recorder = nullptr;
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emit SetStopTracingButtonEnabled(false);
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emit SetAbortTracingButtonEnabled(false);
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emit SetStartTracingButtonEnabled(true);
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}
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void GraphicsTracingWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data) {
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widget()->setEnabled(true);
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}
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void GraphicsTracingWidget::OnResumed() {
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widget()->setEnabled(false);
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}
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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 "graphics_breakpoint_observer.h"
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class GraphicsTracingWidget : public BreakPointObserverDock {
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Q_OBJECT
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public:
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GraphicsTracingWidget(std::shared_ptr<Pica::DebugContext> debug_context, QWidget* parent = nullptr);
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private slots:
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void StartRecording();
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void StopRecording();
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void AbortRecording();
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void OnBreakPointHit(Pica::DebugContext::Event event, void* data) override;
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void OnResumed() override;
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signals:
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void SetStartTracingButtonEnabled(bool enable);
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void SetStopTracingButtonEnabled(bool enable);
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void SetAbortTracingButtonEnabled(bool enable);
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};
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@ -0,0 +1,198 @@
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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 "recorder.h"
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namespace CiTrace {
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Recorder::Recorder(u32* gpu_registers, u32 gpu_registers_size,
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u32* lcd_registers, u32 lcd_registers_size,
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u32* pica_registers, u32 pica_registers_size,
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u32* vs_program_binary, u32 vs_program_binary_size,
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u32* vs_swizzle_data, u32 vs_swizzle_data_size,
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u32* vs_float_uniforms, u32 vs_float_uniforms_size,
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u32* gs_program_binary, u32 gs_program_binary_size,
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u32* gs_swizzle_data, u32 gs_swizzle_data_size,
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u32* gs_float_uniforms, u32 gs_float_uniforms_size)
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: gpu_registers(gpu_registers, gpu_registers + gpu_registers_size),
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lcd_registers(lcd_registers, lcd_registers + lcd_registers_size),
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pica_registers(pica_registers, pica_registers + pica_registers_size),
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vs_program_binary(vs_program_binary, vs_program_binary + vs_program_binary_size),
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vs_swizzle_data(vs_swizzle_data, vs_swizzle_data + vs_swizzle_data_size),
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vs_float_uniforms(vs_float_uniforms, vs_float_uniforms + vs_float_uniforms_size),
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gs_program_binary(gs_program_binary, gs_program_binary + gs_program_binary_size),
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gs_swizzle_data(gs_swizzle_data, gs_swizzle_data + gs_swizzle_data_size),
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gs_float_uniforms(gs_float_uniforms, gs_float_uniforms + gs_float_uniforms_size) {
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}
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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 = gpu_registers.size();
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initial.lcd_registers_size = lcd_registers.size();
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initial.pica_registers_size = pica_registers.size();
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initial.vs_program_binary_size = vs_program_binary.size();
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initial.vs_swizzle_data_size = vs_swizzle_data.size();
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initial.vs_float_uniforms_size = vs_float_uniforms.size();
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initial.gs_program_binary_size = gs_program_binary.size();
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initial.gs_swizzle_data_size = gs_swizzle_data.size();
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initial.gs_float_uniforms_size = gs_float_uniforms.size();
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header.stream_size = 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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initial.vs_program_binary = initial.pica_registers + initial.pica_registers_size * sizeof(u32);
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initial.vs_swizzle_data = initial.vs_program_binary + initial.vs_program_binary_size * sizeof(u32);
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initial.vs_float_uniforms = initial.vs_swizzle_data + initial.vs_swizzle_data_size * sizeof(u32);
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initial.gs_program_binary = initial.vs_float_uniforms + initial.vs_float_uniforms_size * sizeof(u32);
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initial.gs_swizzle_data = initial.gs_program_binary + initial.gs_program_binary_size * sizeof(u32);
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initial.gs_float_uniforms = 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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{
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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 += 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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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 = file.WriteArray(gpu_registers.data(), gpu_registers.size());
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if (written != gpu_registers.size() || file.Tell() != initial.lcd_registers)
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throw "Failed to write GPU registers";
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written = file.WriteArray(lcd_registers.data(), lcd_registers.size());
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if (written != 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(pica_registers.data(), pica_registers.size());
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if (written != pica_registers.size() || file.Tell() != initial.vs_program_binary)
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throw "Failed to write Pica registers";
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written = file.WriteArray(vs_program_binary.data(), vs_program_binary.size());
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if (written != vs_program_binary.size() || 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(vs_swizzle_data.data(), vs_swizzle_data.size());
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if (written != vs_swizzle_data.size() || 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(vs_float_uniforms.data(), vs_float_uniforms.size());
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if (written != vs_float_uniforms.size() || 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(gs_program_binary.data(), gs_program_binary.size());
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if (written != gs_program_binary.size() || 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(gs_swizzle_data.data(), gs_swizzle_data.size());
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if (written != gs_swizzle_data.size() || 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(gs_float_uniforms.data(), gs_float_uniforms.size());
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if (written != gs_float_uniforms.size() || 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 = 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: %s", 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 = (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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}
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@ -0,0 +1,92 @@
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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 <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 "tracer.h"
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namespace CiTrace {
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class Recorder {
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public:
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/**
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* Recorder constructor
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* @param vs_float_uniforms Pointer to an array of 32-bit-aligned 24-bit floating point values.
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*/
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Recorder(u32* gpu_registers, u32 gpu_registers_size,
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u32* lcd_registers, u32 lcd_registers_size,
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u32* pica_registers, u32 pica_registers_size,
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u32* vs_program_binary, u32 vs_program_binary_size,
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u32* vs_swizzle_data, u32 vs_swizzle_data_size,
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u32* vs_float_uniforms, u32 vs_float_uniforms_size,
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u32* gs_program_binary, u32 gs_program_binary_size,
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u32* gs_swizzle_data, u32 gs_swizzle_data_size,
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u32* gs_float_uniforms, u32 gs_float_uniforms_size);
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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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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> 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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// Command stream
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struct StreamElement {
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CTStreamElement data;
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|
||||
/**
|
||||
* 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
|
||||
@ -0,0 +1,98 @@
|
||||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <cstdint>
|
||||
|
||||
namespace CiTrace {
|
||||
|
||||
// NOTE: Things are stored in little-endian
|
||||
|
||||
#pragma pack(1)
|
||||
|
||||
struct CTHeader {
|
||||
static const char* ExpectedMagicWord() {
|
||||
return "CiTr";
|
||||
}
|
||||
|
||||
static uint32_t ExpectedVersion() {
|
||||
return 1;
|
||||
}
|
||||
|
||||
char magic[4];
|
||||
uint32_t version;
|
||||
uint32_t header_size;
|
||||
|
||||
struct {
|
||||
// NOTE: Register range sizes are technically hardware-constants, but the actual limits
|
||||
// aren't known. Hence we store the presumed limits along the offsets.
|
||||
// Sizes are given in uint32_t units.
|
||||
uint32_t gpu_registers;
|
||||
uint32_t gpu_registers_size;
|
||||
uint32_t lcd_registers;
|
||||
uint32_t lcd_registers_size;
|
||||
uint32_t pica_registers;
|
||||
uint32_t pica_registers_size;
|
||||
uint32_t vs_program_binary;
|
||||
uint32_t vs_program_binary_size;
|
||||
uint32_t vs_swizzle_data;
|
||||
uint32_t vs_swizzle_data_size;
|
||||
uint32_t vs_float_uniforms;
|
||||
uint32_t vs_float_uniforms_size;
|
||||
uint32_t gs_program_binary;
|
||||
uint32_t gs_program_binary_size;
|
||||
uint32_t gs_swizzle_data;
|
||||
uint32_t gs_swizzle_data_size;
|
||||
uint32_t gs_float_uniforms;
|
||||
uint32_t gs_float_uniforms_size;
|
||||
|
||||
// Other things we might want to store here:
|
||||
// - Initial framebuffer data, maybe even a full copy of FCRAM/VRAM
|
||||
// - Default vertex attributes
|
||||
} initial_state_offsets;
|
||||
|
||||
uint32_t stream_offset;
|
||||
uint32_t stream_size;
|
||||
};
|
||||
|
||||
enum CTStreamElementType : uint32_t {
|
||||
FrameMarker = 0xE1,
|
||||
MemoryLoad = 0xE2,
|
||||
RegisterWrite = 0xE3,
|
||||
};
|
||||
|
||||
struct CTMemoryLoad {
|
||||
uint32_t file_offset;
|
||||
uint32_t size;
|
||||
uint32_t physical_address;
|
||||
uint32_t pad;
|
||||
};
|
||||
|
||||
struct CTRegisterWrite {
|
||||
uint32_t physical_address;
|
||||
|
||||
enum : uint32_t {
|
||||
SIZE_8 = 0xD1,
|
||||
SIZE_16 = 0xD2,
|
||||
SIZE_32 = 0xD3,
|
||||
SIZE_64 = 0xD4
|
||||
} size;
|
||||
|
||||
// TODO: Make it clearer which bits of this member are used for sizes other than 32 bits
|
||||
uint64_t value;
|
||||
};
|
||||
|
||||
struct CTStreamElement {
|
||||
CTStreamElementType type;
|
||||
|
||||
union {
|
||||
CTMemoryLoad memory_load;
|
||||
CTRegisterWrite register_write;
|
||||
};
|
||||
};
|
||||
|
||||
#pragma pack()
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue