#pragma once

#include "GL/glew.h"
#include "opengl/shader_program_variable.hpp"

#include "opengl/shader_program_variable.hpp"
#include "util/uix.hpp"
#include <span>

namespace zgl
{
struct shader_program_handle
{
	using attribute_support_type = ztu::u32;
	using uniform_support_type = ztu::u32;

	inline void bind() const;
	static void unbind();

	template<shader_program_variable::info_type VariableInfo, typename T>
	void set_uniform(const T& value) const;

	[[nodiscard]] attribute_support_type check_attribute_support(std::span<const shader_program_variable> attributes) const;

	[[nodiscard]] uniform_support_type check_uniform_support(std::span<const shader_program_variable> uniforms) const;

	GLuint program_id{ 0 };
};
}

#define INCLUDE_GL_SHADER_PROGRAM_INSTANCE_IMPLEMENTATION
#include "opengl/handles/shader_program_handle.ipp"
#undef INCLUDE_GL_SHADER_PROGRAM_INSTANCE_IMPLEMENTATION