[99d44b2] | 1 | #ifndef _VULKAN_GAME_H
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| 2 | #define _VULKAN_GAME_H
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[e8ebc76] | 3 |
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[60578ce] | 4 | #define GLM_FORCE_RADIANS
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| 5 | #define GLM_FORCE_DEPTH_ZERO_TO_ONE // Since, in Vulkan, the depth range is 0 to 1 instead of -1 to 1
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[a79be34] | 6 | #define GLM_FORCE_RIGHT_HANDED
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[60578ce] | 7 |
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[771b33a] | 8 | #include <glm/glm.hpp>
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[15104a8] | 9 | #include <glm/gtc/matrix_transform.hpp>
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[771b33a] | 10 |
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[0df3c9a] | 11 | #include "game-gui-sdl.hpp"
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[7d2b0b9] | 12 | #include "graphics-pipeline_vulkan.hpp"
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[0df3c9a] | 13 |
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[b794178] | 14 | #include "vulkan-utils.hpp"
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| 15 |
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[15104a8] | 16 | using namespace glm;
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| 17 |
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[2e77b3f] | 18 | #ifdef NDEBUG
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| 19 | const bool ENABLE_VALIDATION_LAYERS = false;
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| 20 | #else
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| 21 | const bool ENABLE_VALIDATION_LAYERS = true;
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| 22 | #endif
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| 23 |
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[5a1ace0] | 24 | struct OverlayVertex {
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[15104a8] | 25 | vec3 pos;
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| 26 | vec2 texCoord;
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[771b33a] | 27 | };
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| 28 |
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[5a1ace0] | 29 | struct ModelVertex {
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[15104a8] | 30 | vec3 pos;
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[5a1ace0] | 31 | vec3 color;
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[15104a8] | 32 | vec2 texCoord;
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[5a1ace0] | 33 | unsigned int objIndex;
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[15104a8] | 34 | };
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| 35 |
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[3782d66] | 36 | struct ShipVertex {
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| 37 | vec3 pos;
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| 38 | vec3 color;
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[06d959f] | 39 | vec3 normal;
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[cf727ca] | 40 | unsigned int objIndex;
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[3782d66] | 41 | };
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| 42 |
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[3e8cc8b] | 43 | struct AsteroidVertex {
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| 44 | vec3 pos;
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| 45 | vec3 color;
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| 46 | vec3 normal;
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| 47 | unsigned int objIndex;
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| 48 | };
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| 49 |
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[0fe8433] | 50 | // TODO: Change the index type to uint32_t and check the Vulkan Tutorial loading model section as a reference
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| 51 | // TODO: Create a typedef for index type so I can easily change uin16_t to something else later
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[2d87297] | 52 | template<class VertexType, class SSBOType>
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[0fe8433] | 53 | struct SceneObject {
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| 54 | vector<VertexType> vertices;
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| 55 | vector<uint16_t> indices;
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[2d87297] | 56 | SSBOType ssbo;
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[0fe8433] | 57 |
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| 58 | mat4 model_base;
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| 59 | mat4 model_transform;
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| 60 | };
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| 61 |
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[055750a] | 62 | struct UBO_VP_mats {
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[15104a8] | 63 | alignas(16) mat4 view;
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| 64 | alignas(16) mat4 proj;
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[771b33a] | 65 | };
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| 66 |
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[2d87297] | 67 | struct SSBO_ModelObject {
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[055750a] | 68 | alignas(16) mat4 model;
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| 69 | };
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| 70 |
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[2d87297] | 71 | struct SSBO_Asteroid {
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[3e8cc8b] | 72 | alignas(16) mat4 model;
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| 73 | alignas(4) float hp;
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[4ece3bf] | 74 | alignas(4) unsigned int deleted;
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[3e8cc8b] | 75 | };
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| 76 |
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[2da64ef] | 77 | // Have to figure out how to include an optional ssbo parameter for each object
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| 78 | // Could probably use the same approach to make indices optional
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| 79 |
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[99d44b2] | 80 | class VulkanGame {
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[e8ebc76] | 81 | public:
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[34bdf3a] | 82 | VulkanGame(int maxFramesInFlight);
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[99d44b2] | 83 | ~VulkanGame();
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[0df3c9a] | 84 |
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[b6e60b4] | 85 | void run(int width, int height, unsigned char guiFlags);
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[0df3c9a] | 86 |
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| 87 | private:
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[34bdf3a] | 88 | const int MAX_FRAMES_IN_FLIGHT;
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| 89 |
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[5ab1b20] | 90 | const float NEAR_CLIP = 0.1f;
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| 91 | const float FAR_CLIP = 100.0f;
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[60578ce] | 92 | const float FOV_ANGLE = 67.0f; // means the camera lens goes from -33 deg to 33 def
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[5ab1b20] | 93 |
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[15104a8] | 94 | vec3 cam_pos;
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| 95 |
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[0df3c9a] | 96 | GameGui* gui;
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[c559904] | 97 |
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| 98 | SDL_version sdlVersion;
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[b794178] | 99 | SDL_Window* window = nullptr;
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| 100 | SDL_Renderer* renderer = nullptr;
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| 101 |
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| 102 | SDL_Texture* uiOverlay = nullptr;
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[c1d9b2a] | 103 |
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| 104 | VkInstance instance;
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| 105 | VkDebugUtilsMessengerEXT debugMessenger;
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[fe5c3ba] | 106 | VkSurfaceKHR surface; // TODO: Change the variable name to vulkanSurface
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[90a424f] | 107 | VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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[c1c2021] | 108 | VkDevice device;
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| 109 |
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| 110 | VkQueue graphicsQueue;
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| 111 | VkQueue presentQueue;
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[0df3c9a] | 112 |
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[502bd0b] | 113 | VkSwapchainKHR swapChain;
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| 114 | vector<VkImage> swapChainImages;
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| 115 | VkFormat swapChainImageFormat;
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[603b5bc] | 116 | VkExtent2D swapChainExtent;
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[f94eea9] | 117 | vector<VkImageView> swapChainImageViews;
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[603b5bc] | 118 | vector<VkFramebuffer> swapChainFramebuffers;
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[fa9fa1c] | 119 |
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[6fc24c7] | 120 | VkRenderPass renderPass;
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[fa9fa1c] | 121 | VkCommandPool commandPool;
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[603b5bc] | 122 | vector<VkCommandBuffer> commandBuffers;
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[502bd0b] | 123 |
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[603b5bc] | 124 | VulkanImage depthImage;
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[b794178] | 125 |
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| 126 | VkSampler textureSampler;
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| 127 |
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[0fe8433] | 128 | VulkanImage floorTextureImage;
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| 129 | VkDescriptorImageInfo floorTextureImageDescriptor;
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| 130 |
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| 131 | VulkanImage sdlOverlayImage;
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| 132 | VkDescriptorImageInfo sdlOverlayImageDescriptor;
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| 133 |
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| 134 | TTF_Font* font;
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| 135 | SDL_Texture* fontSDLTexture;
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| 136 |
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| 137 | SDL_Texture* imageSDLTexture;
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| 138 |
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| 139 | vector<VkSemaphore> imageAvailableSemaphores;
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| 140 | vector<VkSemaphore> renderFinishedSemaphores;
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| 141 | vector<VkFence> inFlightFences;
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| 142 |
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| 143 | size_t currentFrame;
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| 144 |
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| 145 | bool framebufferResized;
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| 146 |
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[2d87297] | 147 | GraphicsPipeline_Vulkan<OverlayVertex, void*> overlayPipeline;
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| 148 | vector<SceneObject<OverlayVertex, void*>> overlayObjects;
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[0fe8433] | 149 |
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[860a0da] | 150 | // TODO: Maybe make the ubo objects part of the pipeline class since there's only one ubo
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| 151 | // per pipeline.
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| 152 | // Or maybe create a higher level wrapper around GraphicsPipeline_Vulkan to hold things like
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| 153 | // the objects vector, the ubo, and the ssbo
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| 154 |
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[2d87297] | 155 | GraphicsPipeline_Vulkan<ModelVertex, SSBO_ModelObject> modelPipeline;
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| 156 | vector<SceneObject<ModelVertex, SSBO_ModelObject>> modelObjects;
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[0fe8433] | 157 |
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[d25381b] | 158 | vector<VkBuffer> uniformBuffers_modelPipeline;
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| 159 | vector<VkDeviceMemory> uniformBuffersMemory_modelPipeline;
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| 160 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_modelPipeline;
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[b794178] | 161 |
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[0fe8433] | 162 | UBO_VP_mats object_VP_mats;
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| 163 |
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[2d87297] | 164 | GraphicsPipeline_Vulkan<ShipVertex, SSBO_ModelObject> shipPipeline;
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| 165 | vector<SceneObject<ShipVertex, SSBO_ModelObject>> shipObjects;
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[0fe8433] | 166 |
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[3782d66] | 167 | vector<VkBuffer> uniformBuffers_shipPipeline;
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| 168 | vector<VkDeviceMemory> uniformBuffersMemory_shipPipeline;
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| 169 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_shipPipeline;
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| 170 |
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[0fe8433] | 171 | UBO_VP_mats ship_VP_mats;
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[0e09340] | 172 |
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[2d87297] | 173 | GraphicsPipeline_Vulkan<AsteroidVertex, SSBO_Asteroid> asteroidPipeline;
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| 174 | vector<SceneObject<AsteroidVertex, SSBO_Asteroid>> asteroidObjects;
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[3e8cc8b] | 175 |
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| 176 | vector<VkBuffer> uniformBuffers_asteroidPipeline;
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| 177 | vector<VkDeviceMemory> uniformBuffersMemory_asteroidPipeline;
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| 178 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_asteroidPipeline;
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| 179 |
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| 180 | UBO_VP_mats asteroid_VP_mats;
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| 181 |
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[4ece3bf] | 182 | Uint64 curTime, prevTime;
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| 183 | double elapsedTime;
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| 184 |
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[b6e60b4] | 185 | bool initWindow(int width, int height, unsigned char guiFlags);
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[0df3c9a] | 186 | void initVulkan();
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[f97c5e7] | 187 | void initGraphicsPipelines();
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[15104a8] | 188 | void initMatrices();
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[0df3c9a] | 189 | void mainLoop();
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[8e02b6b] | 190 | void updateScene(uint32_t currentImage);
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[a0c5f28] | 191 | void renderUI();
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| 192 | void renderScene();
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[0df3c9a] | 193 | void cleanup();
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[c1d9b2a] | 194 |
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| 195 | void createVulkanInstance(const vector<const char*> &validationLayers);
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| 196 | void setupDebugMessenger();
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| 197 | void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo);
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[90a424f] | 198 | void createVulkanSurface();
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[fe5c3ba] | 199 | void pickPhysicalDevice(const vector<const char*>& deviceExtensions);
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[fa9fa1c] | 200 | bool isDeviceSuitable(VkPhysicalDevice physicalDevice, const vector<const char*>& deviceExtensions);
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[c1c2021] | 201 | void createLogicalDevice(
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| 202 | const vector<const char*> validationLayers,
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| 203 | const vector<const char*>& deviceExtensions);
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[502bd0b] | 204 | void createSwapChain();
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[f94eea9] | 205 | void createImageViews();
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[6fc24c7] | 206 | void createRenderPass();
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| 207 | VkFormat findDepthFormat();
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[fa9fa1c] | 208 | void createCommandPool();
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[603b5bc] | 209 | void createImageResources();
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| 210 |
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[b794178] | 211 | void createTextureSampler();
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[603b5bc] | 212 | void createFramebuffers();
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| 213 | void createCommandBuffers();
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[34bdf3a] | 214 | void createSyncObjects();
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[f94eea9] | 215 |
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[2d87297] | 216 | template<class VertexType, class SSBOType>
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| 217 | void addObject(vector<SceneObject<VertexType, SSBOType>>& objects,
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| 218 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
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| 219 | const vector<VertexType>& vertices, vector<uint16_t> indices, SSBOType ssbo);
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[0fe8433] | 220 |
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[2da64ef] | 221 | template<class VertexType, class SSBOType>
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| 222 | void updateObject(vector<SceneObject<VertexType, SSBOType>>& objects,
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| 223 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline, size_t index);
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| 224 |
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[06d959f] | 225 | template<class VertexType>
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| 226 | vector<VertexType> addVertexNormals(vector<VertexType> vertices);
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| 227 |
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[cf727ca] | 228 | template<class VertexType>
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| 229 | vector<VertexType> addObjectIndex(unsigned int objIndex, vector<VertexType> vertices);
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| 230 |
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[a79be34] | 231 | template<class VertexType>
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| 232 | vector<VertexType> centerObject(vector<VertexType> vertices);
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| 233 |
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[055750a] | 234 | void createBufferSet(VkDeviceSize bufferSize, VkBufferUsageFlags flags,
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| 235 | vector<VkBuffer>& buffers, vector<VkDeviceMemory>& buffersMemory, vector<VkDescriptorBufferInfo>& bufferInfoList);
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[f97c5e7] | 236 |
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[d2d9286] | 237 | void recreateSwapChain();
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| 238 |
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[c1c2021] | 239 | void cleanupSwapChain();
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[c1d9b2a] | 240 |
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| 241 | static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
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| 242 | VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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| 243 | VkDebugUtilsMessageTypeFlagsEXT messageType,
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| 244 | const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
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| 245 | void* pUserData);
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[e8ebc76] | 246 | };
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| 247 |
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[2d87297] | 248 | template<class VertexType, class SSBOType>
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| 249 | void VulkanGame::addObject(vector<SceneObject<VertexType, SSBOType>>& objects,
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| 250 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
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| 251 | const vector<VertexType>& vertices, vector<uint16_t> indices, SSBOType ssbo) {
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[0fe8433] | 252 | size_t numVertices = pipeline.getNumVertices();
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| 253 |
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| 254 | for (uint16_t& idx : indices) {
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| 255 | idx += numVertices;
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| 256 | }
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| 257 |
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[2d87297] | 258 | objects.push_back({ vertices, indices, ssbo, mat4(1.0f), mat4(1.0f) });
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[0fe8433] | 259 |
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| 260 | pipeline.addVertices(vertices, indices, commandPool, graphicsQueue);
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| 261 | }
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| 262 |
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[2da64ef] | 263 | template<class VertexType, class SSBOType>
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| 264 | void VulkanGame::updateObject(vector<SceneObject<VertexType, SSBOType>>& objects,
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| 265 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline, size_t index) {
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| 266 | SceneObject<VertexType, SSBOType>& obj = objects[index];
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| 267 |
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| 268 | obj.ssbo.model = obj.model_transform * obj.model_base;
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| 269 |
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| 270 | // could probably re-calculate the object center here based on model
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| 271 | // I think the center should be calculated by using model * vec3(0, 0, 0)
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| 272 | // model_base is currently only used to set the original location of the ship and asteroids
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| 273 |
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| 274 | pipeline.updateObject(index, obj.ssbo);
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| 275 | }
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| 276 |
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[06d959f] | 277 | template<class VertexType>
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| 278 | vector<VertexType> VulkanGame::addVertexNormals(vector<VertexType> vertices) {
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| 279 | for (unsigned int i = 0; i < vertices.size(); i += 3) {
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| 280 | vec3 p1 = vertices[i].pos;
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| 281 | vec3 p2 = vertices[i+1].pos;
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| 282 | vec3 p3 = vertices[i+2].pos;
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| 283 |
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[a79be34] | 284 | vec3 normal = normalize(cross(p2 - p1, p3 - p1));
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[06d959f] | 285 |
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| 286 | // Add the same normal for all 3 vertices
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| 287 | vertices[i].normal = normal;
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| 288 | vertices[i+1].normal = normal;
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| 289 | vertices[i+2].normal = normal;
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| 290 | }
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| 291 |
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| 292 | return vertices;
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| 293 | }
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| 294 |
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[cf727ca] | 295 | template<class VertexType>
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| 296 | vector<VertexType> VulkanGame::addObjectIndex(unsigned int objIndex, vector<VertexType> vertices) {
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| 297 | for (VertexType& vertex : vertices) {
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| 298 | vertex.objIndex = objIndex;
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| 299 | }
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| 300 |
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| 301 | return vertices;
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| 302 | }
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| 303 |
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[a79be34] | 304 | template<class VertexType>
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| 305 | vector<VertexType> VulkanGame::centerObject(vector<VertexType> vertices) {
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| 306 | float min_x = vertices[0].pos.x;
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| 307 | float max_x = vertices[0].pos.x;
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| 308 | float min_y = vertices[0].pos.y;
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| 309 | float max_y = vertices[0].pos.y;
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| 310 | float min_z = vertices[0].pos.z;
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| 311 | float max_z = vertices[0].pos.z;
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| 312 |
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| 313 | // start from the second point
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| 314 | for (unsigned int i = 1; i < vertices.size(); i++) {
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| 315 | if (min_x > vertices[i].pos.x) {
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| 316 | min_x = vertices[i].pos.x;
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| 317 | } else if (max_x < vertices[i].pos.x) {
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| 318 | max_x = vertices[i].pos.x;
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| 319 | }
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| 320 |
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| 321 | if (min_y > vertices[i].pos.y) {
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| 322 | min_y = vertices[i].pos.y;
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| 323 | } else if (max_y < vertices[i].pos.y) {
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| 324 | max_y = vertices[i].pos.y;
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| 325 | }
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| 326 |
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| 327 | if (min_z > vertices[i].pos.z) {
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| 328 | min_z = vertices[i].pos.z;
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| 329 | } else if (max_z < vertices[i].pos.z) {
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| 330 | max_z = vertices[i].pos.z;
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| 331 | }
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| 332 | }
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| 333 |
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| 334 | vec3 center = vec3(min_x + max_x, min_y + max_y, min_z + max_z) / 2.0f;
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| 335 |
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| 336 | for (unsigned int i = 0; i < vertices.size(); i++) {
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| 337 | vertices[i].pos -= center;
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| 338 | }
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| 339 |
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| 340 | return vertices;
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| 341 | }
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| 342 |
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[99d44b2] | 343 | #endif // _VULKAN_GAME_H
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