graphics_driver.h

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#pragma once
 
#include <rex/driver.h>
#include <rex/platform/native_window.h>
#include <rex/overlay_renderer.h>
#include <rex/guest.h>
#include <rex/memory/host.h>
#include <rex/result.h>
#include <rex/title.h>
#include <rex/types.h>
 
namespace rex::gpu {

inline constexpr memory::Tag kGPU{3};
 
struct FrameStatus {
  bool new_frame = false; 
};
 
class IXenosGraphicsDriver;

class IGraphicsDriver : public IDriver, public IOverlayRenderer {
 public:
  virtual IXenosGraphicsDriver* AsXenos() { return nullptr; }

  [[nodiscard]] virtual Result<void> SetSurface(const NativeWindow& window) {
    (void)window;
    return {};
  }

  [[nodiscard]] virtual Result<void> AttachTitle(const TitleInfo& info, IPhysicalMemory& memory,
                                                 IPhysicalWriteWatch& watch,
                                                 IGuestInterrupts& interrupts) {
    (void)info;
    (void)memory;
    (void)watch;
    (void)interrupts;
    return {};
  }

  virtual void DetachTitle() {}

  virtual FrameStatus WaitForFrame(u32 timeout_ms) = 0;

  virtual void ResizeSurface(u32 width, u32 height) = 0;

  [[nodiscard]] virtual bool BeginPresent() = 0;

  virtual void EndPresent() = 0;
};
 
}  // namespace rex::gpu