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();