D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/RenderState.hpp

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#ifndef RenderState_INCLUDE_ONCE
#define RenderState_INCLUDE_ONCE

#include <vlCore/Object.hpp>
#include <vlCore/vlnamespace.hpp>

namespace vl
{
  class Camera;
  class OpenGLContext;
  //------------------------------------------------------------------------------
  // RenderState
  //------------------------------------------------------------------------------
  class VLGRAPHICS_EXPORT RenderState: public Object
  {
  public:
    virtual const char* className() { return "vl::RenderState"; }
    RenderState() 
    {
      VL_DEBUG_SET_OBJECT_NAME()
    }
    virtual ERenderState type() const { return RS_NONE; }

    virtual void apply(const Camera* camera, OpenGLContext* ctx) const = 0;
  };
  //------------------------------------------------------------------------------
  // TextureState
  //------------------------------------------------------------------------------
  class VLGRAPHICS_EXPORT TextureState: public RenderState
  {
  public:
    virtual const char* className() { return "vl::TextureState"; }
    TextureState(): mTextureUnit(0)
    {
      VL_DEBUG_SET_OBJECT_NAME()
    }
    int textureUnit() const { return mTextureUnit; }
    void setUnitIndex(int unit_index) { mTextureUnit = unit_index; }
  protected:
    int mTextureUnit;
  };

}

#endif