spk_program.hpp

#pragma once
 
#include "structure/design_pattern/spk_activable_object.hpp"
#include "structure/design_pattern/spk_cached_data.hpp"
#include "structure/opengl/spk_opengl_includes.hpp"
#include "utils/spk_opengl_utils.hpp"
#include <stdexcept>
#include <string>
#include <utility>
 
namespace spk
{
    namespace OpenGL
    {
        class Program : public spk::ActivableObject
        {
        private:
            spk::CachedData<GLuint> _id;
            std::string _vertexShaderCode;
            std::string _fragmentShaderCode;
 
            void _registerCallbacks();
            GLuint _buildProgram() const;
 
        public:
            Program();
            Program(std::string p_vertexShaderCode, std::string p_fragmentShaderCode);

            Program(const Program &p_other);
            Program &operator=(const Program &p_other);
            Program(Program &&) = delete;
            Program &operator=(Program &&) = delete;

            GLuint id() const;

            void render(GLsizei p_nbIndexes, GLsizei p_nbInstance);
            void renderIndirect(GLintptr p_commandOffset, GLsizei p_drawCount, GLsizei p_stride);
        };
    }
}