[WIP] Refactor project

There are many problems with the way the current version is provided and maintained. This commit or series of commits will fix this.
2025-06-20 13:44:33 +02:00
1 parent f5ab5f3f27
commit 173a82b9d1
@@ -0,0 +1,145 @@
+/**
+ * @file graphics_context.h
+ * @author Piotr Krygier (everyonecancode@gmail.com)
+ * @brief Graphics context for Red Scarf Engine
+ * @version 0.1
+ * @date 2024-05-22
+ *
+ * @copyright Copyright (c) 2024
+ *
+*/
+
+#ifndef GRAPHICS_CONTEXT_H
+#define GRAPHICS_CONTEXT_H
+
+#include "vulkan/vulkan_core.h"
+#include "vulkan_commons.h"
+#include "utilities/linked_list.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <vulkan/vulkan.h>
+#include <vk_mem_alloc.h>
+#include <GLFW/glfw3.h>
+
+#define MAX_MESH_NUMBER 256
+#define MAX_INSTANCE_NUMBER 256
+
+/**
+ * @brief Maximum number of textures that can be loaded
+ *
+ */
+#define RSE_MAX_IMAGE_COUNT 256
+
+#define MAX_DESCRIPTOR_SETS 16
+#define MAX_PIPELINE_COUNT 16
+
+RSE_LINKED_LIST_DEFINE(shader_module_list_t, VkShaderModule);
+
+/**
+ * @brief Represents data within vertex or instance buffer.
+ *
+ */
+struct buffer_data_t
+{
+    size_t count;
+    size_t buffer_offset;
+};
+
+/**
+ * @brief Wrapper for Vulkan buffer. Holds allocation data;
+ *
+ */
+struct vulkan_image_t
+{
+    uint8_t id_taken;
+    size_t allocated_size;
+    VkImage image;
+    VkImageView image_view;
+    VmaAllocation allocation;
+    VmaAllocationInfo allocation_info;
+};
+
+/**
+ * @brief Represents instance of a mesh and shows where it's located in instance buffer
+ *
+ */
+struct internal_instance_data_t
+{
+    uint8_t instance_taken;
+    uint8_t instance_buffer_offset;
+};
+
+/**
+ * @brief Mesh data, with unique id and dynamic arrays holding vertices and indices.
+ * One mesh can have multiple instances.
+ *
+ */
+struct mesh_t
+{
+    uint8_t is_mesh_id_taken;
+    uint32_t unique_id;
+    uint8_t instance_count;
+    struct buffer_data_t vertex_data;
+    struct buffer_data_t index_data;
+    struct internal_instance_data_t instance_data[MAX_INSTANCE_NUMBER];
+};
+
+struct pipeline_internal_t
+{
+    size_t pipelines_count;
+    size_t descriptor_set_layouts_count;
+    VkPipeline pipelines[MAX_PIPELINE_COUNT];
+    VkPipelineLayout pipeline_layout;
+    VkDescriptorSetLayout descriptor_set_layouts[MAX_DESCRIPTOR_SETS];
+};
+
+struct graphics_context_t
+{
+    GLFWwindow* window_handle;
+    VkDevice device;
+    VkSurfaceKHR surface;
+    VkInstance instance;
+    VkQueue graphics_queue;
+    VmaAllocator allocator;
+    VkSampler sampler;
+    VkPhysicalDevice physical_device;
+    VkCommandPool command_pool;
+    VkCommandBuffer command_buffers[SWAP_BUFFER_COUNT];
+    VkDescriptorSet descriptor_sets[SWAP_BUFFER_COUNT];
+    VkDescriptorSet descriptor_sets_bindless;
+    VkImageView* swapchain_image_views;
+    VkExtent2D swapchain_extent;
+    VkRenderPass render_pass;
+    VkFramebuffer* swapchain_framebuffers;
+    VkSwapchainKHR swapchain;
+    uint32_t swapchain_images_count;
+    VkImage* swapchain_images;
+    VkQueue present_queue;
+    VkSemaphore image_available_semaphores[SWAP_BUFFER_COUNT];
+    VkSemaphore render_finished_semaphores[SWAP_BUFFER_COUNT];
+    VkFence in_flight_fences[SWAP_BUFFER_COUNT];
+    VkDescriptorPool descriptor_pool;
+    VkDescriptorPool descriptor_pool_bindless;
+    struct pipeline_internal_t pipelines_data;
+#ifndef NDEBUG
+    VkDebugUtilsMessengerEXT debug_messenger;
+#endif // !NDEBUG
+    bool is_framebuffer_resized; //TODO: Consider moving this to heap
+    uint32_t current_frame;
+    uint32_t queue_family_indices[1];
+    struct vulkan_buffer_t uniform_buffers[SWAP_BUFFER_COUNT];
+    /* GPU visible buffer */
+    size_t vertex_offset;
+    struct vulkan_buffer_t vertex_buffer;
+    struct vulkan_buffer_t index_buffer;
+    struct vulkan_buffer_t instance_buffers[MAX_MESH_NUMBER];
+    struct vulkan_buffer_t draw_indirect_command_buffer;
+    struct vulkan_image_t texture_images[RSE_MAX_IMAGE_COUNT];
+    struct vulkan_image_t depth_image;
+    struct vulkan_image_t color_image;
+    struct shader_module_list_t* shader_modules;
+    struct mesh_t meshes[MAX_MESH_NUMBER];
+};
+
+#endif /* GRAPHICS_CONTEXT_H */