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diff --git a/src/vk/graphics_pipeline_3d.hpp b/src/vk/graphics_pipeline_3d.hpp
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+++ b/src/vk/graphics_pipeline_3d.hpp
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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_3D_H
+#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_H 1
+
+#include <memory>
+#include <unordered_map>
+
+#include "../command.hpp"
+#include "core.hpp"
+#include "command_pool.hpp"
+#include "model.hpp"
+#include "model_instance.hpp"
+#include "uniform_buffer.hpp"
+
+namespace VK
+{
+
+struct GraphicsPipeline3D
+{
+  VkDescriptorSetLayout descriptor_set_layout_model_instance;
+  VkDescriptorSetLayout descriptor_set_layout_world_view;
+  VkPipelineLayout pipeline_layout;
+
+  // Depth image.
+  VkImage depth_image;
+  VkDeviceMemory depth_image_memory;
+  VkImageView depth_image_view;
+
+  // FIXME: if this vector get resized, it will cause a segmentation fault!
+  std::vector<UniformBuffer> ub_view_projection;
+  std::vector<UniformBuffer> ub_directional_light;
+
+  VkDescriptorPool descriptor_pool;
+  std::vector<VkDescriptorSet> world_view_descriptor_sets;
+
+  VkRenderPass render_pass;
+  std::vector<VkFramebuffer> swapchain_framebuffers;
+  VkPipeline graphic_pipeline;
+
+  std::shared_ptr<glm::vec3> camera_position;
+  std::shared_ptr<glm::vec3> camera_rotation;
+  std::vector<std::unordered_map<
+    std::shared_ptr<Model>, std::vector<ModelInstance>>>
+  models_to_draw;
+
+  GraphicsPipeline3D();
+  ~GraphicsPipeline3D();
+
+  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_3D_H */