normal_renderer.h

#pragma once
 
#include "line_renderer.h"
 
#include "gl/lib_begin.h"
 
namespace cgv {
    namespace render {
        class CGV_API normal_renderer;
 
 
        extern CGV_API normal_renderer& ref_normal_renderer(context& ctx, int ref_count_change = 0);
 
 
        struct CGV_API normal_render_style : public line_render_style
        {
            float normal_length = 1.0f;
        };
 
        class CGV_API normal_renderer : public line_renderer
        {
        protected:
            float normal_scale = 1.0f;
            std::string get_default_prog_name() const override { return "normal.glpr"; }
            render_style* create_render_style() const override { return new normal_render_style(); }
            bool validate_attributes(const context& ctx) const override;
        public:
            void set_normal_scale(float _normal_scale);
            bool enable(context& ctx) override;
            void draw(context& ctx, size_t start, size_t count,
                bool use_strips = false, bool use_adjacency = false, uint32_t strip_restart_index = -1) override;
        };
 
        struct CGV_API normal_render_style_reflect : public normal_render_style
        {
            bool self_reflect(cgv::reflect::reflection_handler& rh);
        };
        extern CGV_API cgv::reflect::extern_reflection_traits<normal_render_style, normal_render_style_reflect> get_reflection_traits(const cgv::render::normal_render_style&);
    }
}
 
#include <cgv/config/lib_end.h>