Mesen-S/Core/EventManager.cpp
Sour 1689ea4d3f Linux: Fixed crash when opening event viewer
(+ fixed some compilation warnings)
2020-06-02 20:05:21 -04:00

310 lines
10 KiB
C++

#include "stdafx.h"
#include "EventManager.h"
#include "DebugTypes.h"
#include "Cpu.h"
#include "Ppu.h"
#include "DmaController.h"
#include "MemoryManager.h"
#include "Debugger.h"
#include "DebugBreakHelper.h"
#include "DefaultVideoFilter.h"
#include "BaseEventManager.h"
EventManager::EventManager(Debugger *debugger, Cpu *cpu, Ppu *ppu, MemoryManager *memoryManager, DmaController *dmaController)
{
_debugger = debugger;
_cpu = cpu;
_ppu = ppu;
_memoryManager = memoryManager;
_dmaController = dmaController;
_ppuBuffer = new uint16_t[512 * 478];
memset(_ppuBuffer, 0, 512 * 478 * sizeof(uint16_t));
}
EventManager::~EventManager()
{
delete[] _ppuBuffer;
}
void EventManager::AddEvent(DebugEventType type, MemoryOperationInfo &operation, int32_t breakpointId)
{
DebugEventInfo evt = {};
evt.Type = type;
evt.Operation = operation;
evt.Scanline = _ppu->GetScanline();
evt.Cycle = _memoryManager->GetHClock();
evt.BreakpointId = breakpointId;
if(operation.Type == MemoryOperationType::DmaRead || operation.Type == MemoryOperationType::DmaWrite) {
evt.DmaChannel = _dmaController->GetActiveChannel();
evt.DmaChannelInfo = _dmaController->GetChannelConfig(evt.DmaChannel & 0x07);
} else {
evt.DmaChannel = -1;
}
CpuState state = _cpu->GetState();
evt.ProgramCounter = (state.K << 16) | state.PC;
_debugEvents.push_back(evt);
}
void EventManager::AddEvent(DebugEventType type)
{
DebugEventInfo evt = {};
evt.Type = type;
evt.Scanline = _ppu->GetScanline();
evt.Cycle = _memoryManager->GetHClock();
evt.BreakpointId = -1;
evt.DmaChannel = -1;
CpuState state = _cpu->GetState();
evt.ProgramCounter = (state.K << 16) | state.PC;
_debugEvents.push_back(evt);
}
void EventManager::GetEvents(DebugEventInfo *eventArray, uint32_t &maxEventCount)
{
auto lock = _lock.AcquireSafe();
uint32_t eventCount = std::min(maxEventCount, (uint32_t)_sentEvents.size());
memcpy(eventArray, _sentEvents.data(), eventCount * sizeof(DebugEventInfo));
maxEventCount = eventCount;
}
DebugEventInfo EventManager::GetEvent(uint16_t scanline, uint16_t cycle, EventViewerDisplayOptions &options)
{
auto lock = _lock.AcquireSafe();
for(DebugEventInfo &evt : _sentEvents) {
if(evt.Cycle == cycle && evt.Scanline == scanline) {
return evt;
}
}
DebugEventInfo empty = {};
empty.ProgramCounter = 0xFFFFFFFF;
return empty;
}
uint32_t EventManager::GetEventCount(EventViewerDisplayOptions options)
{
auto lock = _lock.AcquireSafe();
FilterEvents(options);
return (uint32_t)_sentEvents.size();
}
void EventManager::ClearFrameEvents()
{
_prevDebugEvents = _debugEvents;
_debugEvents.clear();
}
void EventManager::FilterEvents(EventViewerDisplayOptions &options)
{
auto lock = _lock.AcquireSafe();
_sentEvents.clear();
vector<DebugEventInfo> events = _snapshot;
if(options.ShowPreviousFrameEvents && _snapshotScanline != 0) {
uint32_t key = (_snapshotScanline << 16) + _snapshotCycle;
for(DebugEventInfo &evt : _prevDebugEvents) {
uint32_t evtKey = (evt.Scanline << 16) + evt.Cycle;
if(evtKey > key) {
events.push_back(evt);
}
}
}
for(DebugEventInfo &evt : events) {
bool isWrite = evt.Operation.Type == MemoryOperationType::Write || evt.Operation.Type == MemoryOperationType::DmaWrite;
bool isDma = evt.Operation.Type == MemoryOperationType::DmaWrite || evt.Operation.Type == MemoryOperationType::DmaRead;
bool showEvent = false;
switch(evt.Type) {
case DebugEventType::Breakpoint: showEvent = options.ShowMarkedBreakpoints;break;
case DebugEventType::Irq: showEvent = options.ShowIrq; break;
case DebugEventType::Nmi: showEvent = options.ShowNmi; break;
case DebugEventType::Register:
if(isDma && !options.ShowDmaChannels[evt.DmaChannel & 0x07]) {
showEvent = false;
break;
}
uint16_t reg = evt.Operation.Address & 0xFFFF;
if(reg <= 0x213F) {
if(isWrite) {
if(reg >= 0x2101 && reg <= 0x2104) {
showEvent = options.ShowPpuRegisterOamWrites;
} else if(reg >= 0x2105 && reg <= 0x210C) {
showEvent = options.ShowPpuRegisterBgOptionWrites;
} else if(reg >= 0x210D && reg <= 0x2114) {
showEvent = options.ShowPpuRegisterBgScrollWrites;
} else if(reg >= 0x2115 && reg <= 0x2119) {
showEvent = options.ShowPpuRegisterVramWrites;
} else if(reg >= 0x211A && reg <= 0x2120) {
showEvent = options.ShowPpuRegisterMode7Writes;
} else if(reg >= 0x2121 && reg <= 0x2122) {
showEvent = options.ShowPpuRegisterCgramWrites;
} else if(reg >= 0x2123 && reg <= 0x212B) {
showEvent = options.ShowPpuRegisterWindowWrites;
} else {
showEvent = options.ShowPpuRegisterOtherWrites;
}
} else {
showEvent = options.ShowPpuRegisterReads;
}
} else if(reg <= 0x217F) {
showEvent = isWrite ? options.ShowApuRegisterWrites : options.ShowApuRegisterReads;
} else if(reg <= 0x2183) {
showEvent = isWrite ? options.ShowWorkRamRegisterWrites : options.ShowWorkRamRegisterReads;
} else if(reg >= 0x4000) {
showEvent = isWrite ? options.ShowCpuRegisterWrites : options.ShowCpuRegisterReads;
}
break;
}
if(showEvent) {
_sentEvents.push_back(evt);
}
}
}
void EventManager::DrawEvent(DebugEventInfo &evt, bool drawBackground, uint32_t *buffer, EventViewerDisplayOptions &options)
{
bool isWrite = evt.Operation.Type == MemoryOperationType::Write || evt.Operation.Type == MemoryOperationType::DmaWrite;
uint32_t color = 0;
switch(evt.Type) {
case DebugEventType::Breakpoint: color = options.BreakpointColor; break;
case DebugEventType::Irq: color = options.IrqColor; break;
case DebugEventType::Nmi: color = options.NmiColor; break;
case DebugEventType::Register:
uint16_t reg = evt.Operation.Address & 0xFFFF;
if(reg <= 0x213F) {
if(isWrite) {
if(reg >= 0x2101 && reg <= 0x2104) {
color = options.PpuRegisterWriteOamColor;
} else if(reg >= 0x2105 && reg <= 0x210C) {
color = options.PpuRegisterWriteBgOptionColor;
} else if(reg >= 0x210D && reg <= 0x2114) {
color = options.PpuRegisterWriteBgScrollColor;
} else if(reg >= 0x2115 && reg <= 0x2119) {
color = options.PpuRegisterWriteVramColor;
} else if(reg >= 0x211A && reg <= 0x2120) {
color = options.PpuRegisterWriteMode7Color;
} else if(reg >= 0x2121 && reg <= 0x2122) {
color = options.PpuRegisterWriteCgramColor;
} else if(reg >= 0x2123 && reg <= 0x212B) {
color = options.PpuRegisterWriteWindowColor;
} else {
color = options.PpuRegisterWriteOtherColor;
}
} else {
color = options.PpuRegisterReadColor;
}
} else if(reg <= 0x217F) {
color = isWrite ? options.ApuRegisterWriteColor : options.ApuRegisterReadColor;
} else if(reg <= 0x2183) {
color = isWrite ? options.WorkRamRegisterWriteColor : options.WorkRamRegisterReadColor;
} else if(reg >= 0x4000) {
color = isWrite ? options.CpuRegisterWriteColor : options.CpuRegisterReadColor;
}
break;
}
if(drawBackground){
color = 0xFF000000 | ((color >> 1) & 0x7F7F7F);
} else {
color |= 0xFF000000;
}
int iMin = drawBackground ? -2 : 0;
int iMax = drawBackground ? 3 : 1;
int jMin = drawBackground ? -2 : 0;
int jMax = drawBackground ? 3 : 1;
uint32_t y = std::min<uint32_t>(evt.Scanline * 2, _scanlineCount * 2);
uint32_t x = evt.Cycle / 2;
for(int i = iMin; i <= iMax; i++) {
for(int j = jMin; j <= jMax; j++) {
int32_t pos = (y + i) * EventManager::ScanlineWidth + x + j;
if(pos < 0 || pos >= EventManager::ScanlineWidth * (int)_scanlineCount * 2) {
continue;
}
buffer[pos] = color;
}
}
}
uint32_t EventManager::TakeEventSnapshot(EventViewerDisplayOptions options)
{
DebugBreakHelper breakHelper(_debugger);
auto lock = _lock.AcquireSafe();
_snapshot.clear();
uint16_t cycle = _memoryManager->GetHClock();
uint16_t scanline = _ppu->GetScanline();
_overscanMode = _ppu->GetState().OverscanMode;
_useHighResOutput = _ppu->IsHighResOutput();
if(scanline >= _ppu->GetNmiScanline() || scanline == 0) {
memcpy(_ppuBuffer, _ppu->GetScreenBuffer(), (_useHighResOutput ? (512 * 478) : (256*239)) * sizeof(uint16_t));
} else {
uint16_t adjustedScanline = scanline + (_overscanMode ? 0 : 7);
uint32_t size = _useHighResOutput ? (512 * 478) : (256 * 239);
uint32_t offset = _useHighResOutput ? (512 * adjustedScanline * 2) : (256 * adjustedScanline);
memcpy(_ppuBuffer, _ppu->GetScreenBuffer(), offset * sizeof(uint16_t));
memcpy(_ppuBuffer+offset, _ppu->GetPreviousScreenBuffer()+offset, (size - offset) * sizeof(uint16_t));
}
_snapshot = _debugEvents;
_snapshotScanline = scanline;
_snapshotCycle = cycle;
_scanlineCount = _ppu->GetVblankEndScanline() + 1;
return _scanlineCount;
}
void EventManager::GetDisplayBuffer(uint32_t *buffer, uint32_t bufferSize, EventViewerDisplayOptions options)
{
auto lock = _lock.AcquireSafe();
if(_snapshotScanline < 0 || bufferSize < _scanlineCount * 2 * EventManager::ScanlineWidth * 4) {
return;
}
for(int i = 0; i < EventManager::ScanlineWidth * (int)_scanlineCount * 2; i++) {
buffer[i] = 0xFF555555;
}
//Skip the first 7 blank lines in the buffer when overscan mode is off
uint16_t *src = _ppuBuffer + (_overscanMode ? 0 : (_useHighResOutput ? (512 * 14) : (256 * 7)));
for(uint32_t y = 0, len = _overscanMode ? 239*2 : 224*2; y < len; y++) {
for(uint32_t x = 0; x < 512; x++) {
int srcOffset = _useHighResOutput ? ((y << 9) | x) : (((y >> 1) << 8) | (x >> 1));
buffer[(y + 2)*EventManager::ScanlineWidth + x + 22*2] = DefaultVideoFilter::ToArgb(src[srcOffset]);
}
}
constexpr uint32_t nmiColor = 0xFF55FFFF;
constexpr uint32_t currentScanlineColor = 0xFFFFFF55;
int nmiScanline = (_overscanMode ? 240 : 225) * 2 * EventManager::ScanlineWidth;
uint32_t scanlineOffset = _snapshotScanline * 2 * EventManager::ScanlineWidth;
for(int i = 0; i < EventManager::ScanlineWidth; i++) {
buffer[nmiScanline + i] = nmiColor;
buffer[nmiScanline + EventManager::ScanlineWidth + i] = nmiColor;
if(_snapshotScanline != 0) {
buffer[scanlineOffset + i] = currentScanlineColor;
buffer[scanlineOffset + EventManager::ScanlineWidth + i] = currentScanlineColor;
}
}
FilterEvents(options);
for(DebugEventInfo &evt : _sentEvents) {
DrawEvent(evt, true, buffer, options);
}
for(DebugEventInfo &evt : _sentEvents) {
DrawEvent(evt, false, buffer, options);
}
}