ProxyDrawOverride.h

#pragma once
#include "AL/usdmaya/Common.h"
#include "maya/MPxDrawOverride.h"

#include "pxr/usdImaging/usdImaging/version.h"
#if (USD_IMAGING_API_VERSION >= 7)
# include "pxr/usdImaging/usdImagingGL/hdEngine.h"
#else
# include "pxr/usdImaging/usdImaging/hdEngine.h"
#endif

namespace AL {
namespace usdmaya {
namespace nodes {

//----------------------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------------------
class ProxyDrawOverride
  : public MHWRender::MPxDrawOverride
{
public:

  ProxyDrawOverride(const MObject& obj);

  ~ProxyDrawOverride();

  static MHWRender::MPxDrawOverride* creator(const MObject& obj);

  bool isBounded(
      const MDagPath& objPath,
      const MDagPath& cameraPath) const override;

  MBoundingBox boundingBox(
      const MDagPath& objPath,
      const MDagPath& cameraPath) const override;

  MUserData* prepareForDraw(
      const MDagPath& objPath,
      const MDagPath& cameraPath,
      const MHWRender::MFrameContext& frameContext,
      MUserData* oldData) override;

  static MString kDrawDbClassification;

  static MString kDrawRegistrantId;

  static void draw(const MHWRender::MDrawContext& context, const MUserData* data);

  static ProxyShape* getShape(const MDagPath& objPath);

  MHWRender::DrawAPI supportedDrawAPIs() const override
  {
    return MHWRender::kOpenGL | MHWRender::kOpenGLCoreProfile;
  }
};

//----------------------------------------------------------------------------------------------------------------------
} // nodes
} // usdmaya
} // AL
//----------------------------------------------------------------------------------------------------------------------