Qt: Add dump VRAM and SPU RAM actions

src/core/gpu.cpp

@@ -3,6 +3,7 @@
 #include "common/heap_array.h"
 #include "common/log.h"
 #include "common/state_wrapper.h"
+#include "common/string_util.h"
 #include "dma.h"
 #include "host_display.h"
 #include "host_interface.h"
@@ -1453,6 +1454,26 @@ void GPU::SetTextureWindow(u32 value)
   m_draw_mode.texture_window_changed = true;
 }
 
+bool GPU::DumpVRAMToFile(const char* filename)
+{
+  ReadVRAM(0, 0, VRAM_WIDTH, VRAM_HEIGHT);
+
+  const char* extension = std::strrchr(filename, '.');
+  if (extension && StringUtil::Strcasecmp(extension, ".png") == 0)
+  {
+    return DumpVRAMToFile(filename, VRAM_WIDTH, VRAM_HEIGHT, sizeof(u16) * VRAM_WIDTH, m_vram_ptr, true);
+  }
+  else if (extension && StringUtil::Strcasecmp(extension, ".bin") == 0)
+  {
+    return FileSystem::WriteBinaryFile(filename, m_vram_ptr, VRAM_WIDTH * VRAM_HEIGHT * sizeof(u16));
+  }
+  else
+  {
+    Log_ErrorPrintf("Unknown extension: '%s'", filename);
+    return false;
+  }
+}
+
 bool GPU::DumpVRAMToFile(const char* filename, u32 width, u32 height, u32 stride, const void* buffer, bool remove_alpha)
 {
   auto fp = FileSystem::OpenManagedCFile(filename, "wb");

src/core/gpu.h

@@ -160,6 +160,9 @@ public:
   // Returns the video clock frequency.
   TickCount GetCRTCFrequency() const;
 
+  // Dumps raw VRAM to a file.
+  bool DumpVRAMToFile(const char* filename);
+
 protected:
   TickCount CRTCTicksToSystemTicks(TickCount crtc_ticks, TickCount fractional_ticks) const;
   TickCount SystemTicksToCRTCTicks(TickCount sysclk_ticks, TickCount* fractional_ticks) const;

src/core/spu.h

@@ -17,6 +17,12 @@ class TimingEvent;
 class SPU
 {
 public:
+  enum : u32
+  {
+    RAM_SIZE = 512 * 1024,
+    RAM_MASK = RAM_SIZE - 1,
+  };
+
   SPU();
   ~SPU();
 
@@ -47,9 +53,11 @@ public:
   /// Stops dumping audio to file, if started.
   bool StopDumpingAudio();
 
+  /// Access to SPU RAM.
+  const std::array<u8, RAM_SIZE>& GetRAM() const { return m_ram; }
+  std::array<u8, RAM_SIZE>& GetRAM() { return m_ram; }
+
 private:
-  static constexpr u32 RAM_SIZE = 512 * 1024;
-  static constexpr u32 RAM_MASK = RAM_SIZE - 1;
   static constexpr u32 SPU_BASE = 0x1F801C00;
   static constexpr u32 NUM_VOICES = 24;
   static constexpr u32 NUM_VOICE_REGISTERS = 8;

src/core/system.cpp

@@ -1635,11 +1635,30 @@ void UpdateMemoryCards()
 
 bool DumpRAM(const char* filename)
 {
-  auto fp = FileSystem::OpenManagedCFile(filename, "wb");
-  if (!fp)
+  if (!IsValid())
     return false;
 
-  return std::fwrite(Bus::g_ram, Bus::RAM_SIZE, 1, fp.get()) == 1;
+  return FileSystem::WriteBinaryFile(filename, Bus::g_ram, Bus::RAM_SIZE);
+}
+
+bool DumpVRAM(const char* filename)
+{
+  if (!IsValid())
+    return false;
+
+  g_gpu->RestoreGraphicsAPIState();
+  const bool result = g_gpu->DumpVRAMToFile(filename);
+  g_gpu->ResetGraphicsAPIState();
+
+  return result;
+}
+
+bool DumpSPURAM(const char* filename)
+{
+  if (!IsValid())
+    return false;
+
+  return FileSystem::WriteBinaryFile(filename, g_spu.GetRAM().data(), SPU::RAM_SIZE);
 }
 
 bool HasMedia()

src/core/system.h

@@ -175,6 +175,12 @@ void UpdateMemoryCards();
 /// Dumps RAM to a file.
 bool DumpRAM(const char* filename);
 
+/// Dumps video RAM to a file.
+bool DumpVRAM(const char* filename);
+
+/// Dumps sound RAM to a file.
+bool DumpSPURAM(const char* filename);
+
 bool HasMedia();
 bool InsertMedia(const char* path);
 void RemoveMedia();

src/duckstation-qt/mainwindow.cpp

@@ -821,6 +821,9 @@ void MainWindow::updateEmulationActions(bool starting, bool running)
   m_ui.menuCheats->setDisabled(starting || !running);
   m_ui.actionCheatManager->setDisabled(starting || !running);
   m_ui.actionCPUDebugger->setDisabled(starting || !running);
+  m_ui.actionDumpRAM->setDisabled(starting || !running);
+  m_ui.actionDumpVRAM->setDisabled(starting || !running);
+  m_ui.actionDumpSPURAM->setDisabled(starting || !running);
 
   m_ui.actionSaveState->setDisabled(starting || !running);
   m_ui.menuSaveState->setDisabled(starting || !running);
@@ -1041,12 +1044,29 @@ void MainWindow::connectSignals()
       m_host_interface->stopDumpingAudio();
   });
   connect(m_ui.actionDumpRAM, &QAction::triggered, [this]() {
-    const QString filename = QFileDialog::getSaveFileName(this, tr("Destination File"));
+    const QString filename =
+      QFileDialog::getSaveFileName(this, tr("Destination File"), QString(), tr("Binary Files (*.bin)"));
     if (filename.isEmpty())
       return;
 
     m_host_interface->dumpRAM(filename);
   });
+  connect(m_ui.actionDumpVRAM, &QAction::triggered, [this]() {
+    const QString filename = QFileDialog::getSaveFileName(this, tr("Destination File"), QString(),
+                                                          tr("Binary Files (*.bin);;PNG Images (*.png)"));
+    if (filename.isEmpty())
+      return;
+
+    m_host_interface->dumpVRAM(filename);
+  });
+  connect(m_ui.actionDumpSPURAM, &QAction::triggered, [this]() {
+    const QString filename =
+      QFileDialog::getSaveFileName(this, tr("Destination File"), QString(), tr("Binary Files (*.bin)"));
+    if (filename.isEmpty())
+      return;
+
+    m_host_interface->dumpSPURAM(filename);
+  });
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.actionDebugShowVRAM, "Debug", "ShowVRAM");
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.actionDebugShowGPUState, "Debug", "ShowGPUState");
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.actionDebugShowCDROMState, "Debug",

src/duckstation-qt/mainwindow.ui

@@ -174,13 +174,16 @@
     <addaction name="actionDisableInterlacing"/>
     <addaction name="actionForceNTSCTimings"/>
     <addaction name="separator"/>
+    <addaction name="actionCPUDebugger"/>
+    <addaction name="separator"/>
+    <addaction name="actionDumpRAM"/>
+    <addaction name="actionDumpVRAM"/>
+    <addaction name="actionDumpSPURAM"/>
+    <addaction name="separator"/>
     <addaction name="actionDebugDumpCPUtoVRAMCopies"/>
     <addaction name="actionDebugDumpVRAMtoCPUCopies"/>
     <addaction name="actionDumpAudio"/>
     <addaction name="separator"/>
-    <addaction name="actionCPUDebugger"/>
-    <addaction name="actionDumpRAM"/>
-    <addaction name="separator"/>
     <addaction name="actionDebugShowVRAM"/>
     <addaction name="actionDebugShowGPUState"/>
     <addaction name="actionDebugShowCDROMState"/>
@@ -611,6 +614,16 @@
     <string>Dump RAM...</string>
    </property>
   </action>
+  <action name="actionDumpVRAM">
+   <property name="text">
+    <string>Dump VRAM...</string>
+   </property>
+  </action>
+  <action name="actionDumpSPURAM">
+   <property name="text">
+    <string>Dump SPU RAM...</string>
+   </property>
+  </action>
   <action name="actionDebugShowGPUState">
    <property name="checkable">
     <bool>true</bool>

src/duckstation-qt/qthostinterface.cpp

@@ -1292,9 +1292,6 @@ void QtHostInterface::dumpRAM(const QString& filename)
     return;
   }
 
-  if (System::IsShutdown())
-    return;
-
   const std::string filename_str = filename.toStdString();
   if (System::DumpRAM(filename_str.c_str()))
     ReportFormattedMessage("RAM dumped to '%s'", filename_str.c_str());
@@ -1302,6 +1299,36 @@ void QtHostInterface::dumpRAM(const QString& filename)
     ReportFormattedMessage("Failed to dump RAM to '%s'", filename_str.c_str());
 }
 
+void QtHostInterface::dumpVRAM(const QString& filename)
+{
+  if (!isOnWorkerThread())
+  {
+    QMetaObject::invokeMethod(this, "dumpVRAM", Qt::QueuedConnection, Q_ARG(const QString&, filename));
+    return;
+  }
+
+  const std::string filename_str = filename.toStdString();
+  if (System::DumpVRAM(filename_str.c_str()))
+    ReportFormattedMessage("VRAM dumped to '%s'", filename_str.c_str());
+  else
+    ReportFormattedMessage("Failed to dump VRAM to '%s'", filename_str.c_str());
+}
+
+void QtHostInterface::dumpSPURAM(const QString& filename)
+{
+  if (!isOnWorkerThread())
+  {
+    QMetaObject::invokeMethod(this, "dumpSPURAM", Qt::QueuedConnection, Q_ARG(const QString&, filename));
+    return;
+  }
+
+  const std::string filename_str = filename.toStdString();
+  if (System::DumpSPURAM(filename_str.c_str()))
+    ReportFormattedMessage("SPU RAM dumped to '%s'", filename_str.c_str());
+  else
+    ReportFormattedMessage("Failed to dump SPU RAM to '%s'", filename_str.c_str());
+}
+
 void QtHostInterface::saveScreenshot()
 {
   if (!isOnWorkerThread())

src/duckstation-qt/qthostinterface.h

@@ -169,6 +169,8 @@ public Q_SLOTS:
   void stopDumpingAudio();
   void singleStepCPU();
   void dumpRAM(const QString& filename);
+  void dumpVRAM(const QString& filename);
+  void dumpSPURAM(const QString& filename);
   void saveScreenshot();
   void redrawDisplayWindow();
   void toggleFullscreen();