GR_PolyCurveVK.h

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/*
 * 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_PolyCurveVK ( GR Library, C++)
 *
 * COMMENTS:
 *      Line primitive.
 */
#ifndef GR_PolyCurveVK_h
#define GR_PolyCurveVK_h

#include "GR_API.h"
#include "GR_GeoRenderVK.h"

#include <RV/RV_Geometry.h>

class RV_Geometry;
class RV_Render;
class RV_ShaderVariableSet;
class RV_ShaderBlock;
class GT_PrimCurveMesh;

class GR_API GR_PolyCurveVK : public GR_GeoRenderVK
{
public:
                        GR_PolyCurveVK(GR_Primitive *prim);
                       ~GR_PolyCurveVK() override;

    const char         *className() const override { return "GR_PolyCurveVK"; }
    
    void                update(RE_RenderContext rc,
                               const GT_PrimitiveHandle &primh,
                               const GR_UpdateParms     &parms,
                               const char               *cache_name) override;
    
    void                draw(RE_RenderContext rc,
                             GR_RenderMode mode,
                             GR_RenderFlags flags,
                             GR_DrawParms dp) override;
    
    void                getPickConnectGroup(unsigned int pick_mode,
                                            GR_PickGeometry pick_geo,
                                            int &out_connect_start,
                                            int &out_connect_num) override;

    void                getVkDecorConnectGroup(RV_PrimType render_prim,
                                    bool is_uv_view,
                                    int &out_connect_start,
                                    int &out_connect_num) override;

    exint               getNumGLPrimitives() const override;
    bool                hasTransparency() const override { return false; }
    void                retireGeometry() override;
    
    static bool         initShaders(RV_Instance* inst);
    static void         cleanupShaders();
    
    static RV_ShaderProgram* getWireShader(GR_RenderFlags flags);
    static RV_ShaderProgram* getWireMatteShader(GR_RenderFlags flags);
    static RV_ShaderProgram* getWireSnapShader(bool points_only);

    static GT_PrimitiveHandle   getCurveMesh(const GT_PrimitiveHandle &primh,
                                             const GR_UpdateParms &parms);


private:
    void                buildConnectivity(const GT_PrimCurveMesh *primh,
                                          const GR_UpdateParms  &parms,
                                          UT_Int32Array &connect_indices);

    bool myObjectSelected;
 
};

#endif