uniform_handler.hpp

// SPDX-License-Identifier: MIT
#ifndef LIBSBX_GRAPHICS_BUFFERS_UNIFORM_HANDLER_HPP_
#define LIBSBX_GRAPHICS_BUFFERS_UNIFORM_HANDLER_HPP_
 
#include <memory>
#include <optional>
 
#include <libsbx/memory/observer_ptr.hpp>
 
#include <libsbx/graphics/pipeline/shader.hpp>
 
#include <libsbx/graphics/buffers/uniform_buffer.hpp>
 
namespace sbx::graphics {
 
class uniform_handler {
 
public:
 
  uniform_handler(const std::optional<shader::uniform_block>& uniform_block = std::nullopt);
 
  template<typename Type>
  auto push(const Type& object, std::size_t size, std::size_t offset) -> void;
 
  template<typename Type>
  auto push(const std::string& uniform_name, const Type& object, std::size_t size = 0) -> void;
 
  auto uniform_buffer() const noexcept -> const uniform_buffer&;
 
  auto update(const std::optional<shader::uniform_block>& uniform_block) -> bool;
 
private:
 
  auto _push(std::span<const std::uint8_t> buffer, std::size_t offset) -> void;
 
  std::optional<shader::uniform_block> _uniform_block;
  // std::unique_ptr<graphics::uniform_buffer> _uniform_buffer;
  uniform_buffer_handle _uniform_buffer;
 
}; // class uniform_handler
 
} // namespace sbx::graphics
 
#include <libsbx/graphics/buffers/uniform_handler.ipp>
 
#endif // LIBSBX_GRAPHICS_BUFFERS_UNIFORM_HANDLER_HPP_