GPU recording (--trace_gpu=file) and playback (gpu-trace-viewer file).

src/xenia/gpu/graphics_system.h

@@ -14,7 +14,9 @@
 #include <thread>
 
 #include "xenia/common.h"
-#include "xenia/emulator.h"
+#include "xenia/cpu/processor.h"
+#include "xenia/memory.h"
+#include "xenia/ui/main_window.h"
 #include "xenia/xbox.h"
 
 namespace xe {
@@ -24,25 +26,37 @@ class GraphicsSystem {
  public:
   virtual ~GraphicsSystem();
 
-  Emulator* emulator() const { return emulator_; }
   Memory* memory() const { return memory_; }
   cpu::Processor* processor() const { return processor_; }
 
-  virtual X_STATUS Setup();
+  virtual X_STATUS Setup(cpu::Processor* processor,
+                         ui::PlatformLoop* target_loop,
+                         ui::PlatformWindow* target_window);
   virtual void Shutdown();
 
   void SetInterruptCallback(uint32_t callback, uint32_t user_data);
   virtual void InitializeRingBuffer(uint32_t ptr, uint32_t page_count) = 0;
-  virtual void EnableReadPointerWriteBack(uint32_t ptr, uint32_t block_size) = 0;
+  virtual void EnableReadPointerWriteBack(uint32_t ptr,
+                                          uint32_t block_size) = 0;
 
   void DispatchInterruptCallback(uint32_t source, uint32_t cpu);
 
- protected:
-  GraphicsSystem(Emulator* emulator);
+  enum class TracePlaybackMode {
+    kUntilEnd,
+    kBreakOnSwap,
+  };
+  virtual const uint8_t* PlayTrace(const uint8_t* trace_data, size_t trace_size,
+                                   TracePlaybackMode playback_mode) {
+    return nullptr;
+  }
+
+ protected:
+  GraphicsSystem();
 
-  Emulator* emulator_;
   Memory* memory_;
   cpu::Processor* processor_;
+  ui::PlatformLoop* target_loop_;
+  ui::PlatformWindow* target_window_;
 
   uint32_t interrupt_callback_;
   uint32_t interrupt_callback_data_;