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/*
 * Copyright 2022 Frederico de Oliveira Linhares
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_H
#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_H 1

#include <vector>

#include "core.hpp"
#include "sprite.hpp"

namespace VK
{

struct GraphicsPipeline2D
{
  VkDescriptorSetLayout descriptor_set_layout_projection;
  VkDescriptorSetLayout descriptor_set_layout_sprite;
  VkPipelineLayout pipeline_layout;

  // FIXME: if this vector get resized, it will cause a segmentation fault!
  std::vector<UniformBuffer> ub_projection;

  VkDescriptorPool descriptor_pool;
  std::vector<VkDescriptorSet> projection_descriptor_sets;

  VkRenderPass render_pass;
  std::vector<VkFramebuffer> swapchain_framebuffers;
  VkPipeline graphic_pipeline;

  std::vector<
    std::unordered_map<std::shared_ptr<Sprite>, std::vector<glm::vec4>>>
  sprites_to_draw;

  GraphicsPipeline2D();
  ~GraphicsPipeline2D();

  void
  draw(const VkCommandBuffer draw_command_buffer, const size_t current_frame,
       const size_t next_frame, const uint32_t image_index);
};

}

#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_H */