GR_OSDSubdSurfaceGL4.h

Go to the documentation of this file.

/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 * 
 * NAME:        GR_OSDSubdSurfaceGL4.h ( GR Library, C++)
 *
 * COMMENTS:
 *      Class for rendering OSD subdivision surface using GL4.
 */
#ifndef GR_OSDSubdSurfaceGL4_h
#define GR_OSDSubdSurfaceGL4_h

#include "GR_Defines.h"
#include "GR_PolySurfaceGL3.h"

#include <UT/UT_UniquePtr.h>

class GT_UtilOpenSubdiv;
class GT_OSDDrawContext;

class GR_API GR_OSDSubdSurfaceGL4 : public GR_PolySurfaceGL3
{
public:
             GR_OSDSubdSurfaceGL4(GR_Primitive *prim);
            ~GR_OSDSubdSurfaceGL4() override;

    const char          *className() const override
                            { return "GR_OSDSubdSurfaceGL4"; }

    void                 update(RE_RenderContext r,
                                const GT_PrimitiveHandle &primh,
                                const GR_UpdateParms &p,
                                const char *cache_name) override;

    void                 draw(RE_RenderContext r,
                              GR_RenderMode mode,
                              GR_RenderFlags flags,
                              GR_DrawParms dp) override;

private:
#if defined(HOUDINI_USE_OSD)
    void                 drawOSDDrawContext(RE_Render *r,
                                            GR_RenderMode mode,
                                            GR_RenderFlags flags,
                                            GR_DrawParms dp,
                                            const GT_OSDDrawContext *dc);

    UT_UniquePtr<GT_UtilOpenSubdiv>          myOsd;
    int64                                    myVertexAttributeDataIdHash;
    float                                    myTessLevel;
#endif
};

#endif