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annotate src/zamikongine/engine.nim @ 481:c472abfcee57

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add: generate ubermeshes
author Sam <sam@basx.dev>
date Tue, 10 Jan 2023 00:23:40 +0700
parents 14e5151f68d1
children 73a0954beabd
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480
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1 import std/sequtils
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2 import std/typetraits
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3 import std/strformat
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4 import std/enumerate
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5 import std/logging
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6
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7
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8 import ./vulkan
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9 import ./vulkan_helpers
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10 import ./window
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11 import ./events
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12 import ./shader
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13 import ./vertex
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14 import ./buffer
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15 import ./thing
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16 import ./mesh
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17
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18 import ./glslang/glslang
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19
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20 const MAX_FRAMES_IN_FLIGHT = 2
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21 const DEBUG_LOG = not defined(release)
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22
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23 var logger = newConsoleLogger()
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24 addHandler(logger)
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25
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26
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27 const VULKAN_VERSION = VK_MAKE_API_VERSION(0'u32, 1'u32, 2'u32, 0'u32)
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28
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29 type
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30 Device = object
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31 device: VkDevice
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32 physicalDevice: PhysicalDevice
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33 graphicsQueueFamily: uint32
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34 presentationQueueFamily: uint32
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35 graphicsQueue: VkQueue
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36 presentationQueue: VkQueue
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37 Swapchain = object
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38 swapchain: VkSwapchainKHR
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39 images: seq[VkImage]
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40 imageviews: seq[VkImageView]
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41 RenderPipeline = object
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42 shaders*: seq[ShaderProgram]
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43 layout*: VkPipelineLayout
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44 pipeline*: VkPipeline
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45 QueueFamily = object
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46 properties*: VkQueueFamilyProperties
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47 hasSurfaceSupport*: bool
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48 PhysicalDevice = object
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49 device*: VkPhysicalDevice
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50 extensions*: seq[string]
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51 properties*: VkPhysicalDeviceProperties
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52 features*: VkPhysicalDeviceFeatures
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53 queueFamilies*: seq[QueueFamily]
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54 formats: seq[VkSurfaceFormatKHR]
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55 presentModes: seq[VkPresentModeKHR]
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56 Vulkan* = object
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57 debugMessenger: VkDebugUtilsMessengerEXT
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58 instance*: VkInstance
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59 deviceList*: seq[PhysicalDevice]
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60 device*: Device
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61 surface*: VkSurfaceKHR
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62 surfaceFormat: VkSurfaceFormatKHR
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63 frameDimension: VkExtent2D
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64 swapchain: Swapchain
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65 framebuffers: seq[VkFramebuffer]
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66 renderPass*: VkRenderPass
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67 pipeline*: RenderPipeline
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68 commandPool*: VkCommandPool
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69 commandBuffers*: array[MAX_FRAMES_IN_FLIGHT, VkCommandBuffer]
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70 imageAvailableSemaphores*: array[MAX_FRAMES_IN_FLIGHT, VkSemaphore]
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71 renderFinishedSemaphores*: array[MAX_FRAMES_IN_FLIGHT, VkSemaphore]
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72 inFlightFences*: array[MAX_FRAMES_IN_FLIGHT, VkFence]
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73 vertexBuffers: seq[(seq[Buffer], uint32)]
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74 indexedVertexBuffers: seq[(seq[Buffer], Buffer, uint32, VkIndexType)]
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75 Engine* = object
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76 vulkan: Vulkan
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77 window: NativeWindow
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78 currentscenedata: ref Thing
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79
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80 proc getAllPhysicalDevices(instance: VkInstance, surface: VkSurfaceKHR): seq[PhysicalDevice] =
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81 for vulkanPhysicalDevice in getVulkanPhysicalDevices(instance):
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82 var device = PhysicalDevice(device: vulkanPhysicalDevice, extensions: getDeviceExtensions(vulkanPhysicalDevice))
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83 vkGetPhysicalDeviceProperties(vulkanPhysicalDevice, addr(device.properties))
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84 vkGetPhysicalDeviceFeatures(vulkanPhysicalDevice, addr(device.features))
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85 device.formats = vulkanPhysicalDevice.getDeviceSurfaceFormats(surface)
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86 device.presentModes = vulkanPhysicalDevice.getDeviceSurfacePresentModes(surface)
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87
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88 debug(&"Physical device nr {int(vulkanPhysicalDevice)} {cleanString(device.properties.deviceName)}")
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89 for i, queueFamilyProperty in enumerate(getQueueFamilies(vulkanPhysicalDevice)):
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90 var hasSurfaceSupport: VkBool32 = VK_FALSE
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91 checkVkResult vkGetPhysicalDeviceSurfaceSupportKHR(vulkanPhysicalDevice, uint32(i), surface, addr(hasSurfaceSupport))
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92 device.queueFamilies.add(QueueFamily(properties: queueFamilyProperty, hasSurfaceSupport: bool(hasSurfaceSupport)))
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93 debug(&" Queue family {i} {queueFamilyProperty}")
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94
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95 result.add(device)
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96
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97 proc filterForDevice(devices: seq[PhysicalDevice]): seq[(PhysicalDevice, uint32, uint32)] =
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98 for device in devices:
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99 if not (device.formats.len > 0 and device.presentModes.len > 0 and "VK_KHR_swapchain" in device.extensions):
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100 continue
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101 var graphicsQueueFamily = high(uint32)
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102 var presentationQueueFamily = high(uint32)
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103 for i, queueFamily in enumerate(device.queueFamilies):
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104 if queueFamily.hasSurfaceSupport:
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105 presentationQueueFamily = uint32(i)
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106 if bool(uint32(queueFamily.properties.queueFlags) and ord(VK_QUEUE_GRAPHICS_BIT)):
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107 graphicsQueueFamily = uint32(i)
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108 if graphicsQueueFamily != high(uint32) and presentationQueueFamily != high(uint32):
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109 result.add((device, graphicsQueueFamily, presentationQueueFamily))
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110
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111 for (device, graphicsQueueFamily, presentationQueueFamily) in result:
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112 debug(&"Viable device: {cleanString(device.properties.deviceName)} (graphics queue family {graphicsQueueFamily}, presentation queue family {presentationQueueFamily})")
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113
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114
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115 proc getFrameDimension(window: NativeWindow, device: VkPhysicalDevice, surface: VkSurfaceKHR): VkExtent2D =
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116 let capabilities = device.getSurfaceCapabilities(surface)
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117 if capabilities.currentExtent.width != high(uint32):
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118 return capabilities.currentExtent
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119 else:
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120 let (width, height) = window.size()
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121 return VkExtent2D(
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122 width: min(max(uint32(width), capabilities.minImageExtent.width), capabilities.maxImageExtent.width),
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123 height: min(max(uint32(height), capabilities.minImageExtent.height), capabilities.maxImageExtent.height),
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124 )
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125
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126 when DEBUG_LOG:
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127 proc setupDebugLog(instance: VkInstance): VkDebugUtilsMessengerEXT =
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128 var createInfo = VkDebugUtilsMessengerCreateInfoEXT(
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129 sType: VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
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130 messageSeverity: VkDebugUtilsMessageSeverityFlagsEXT(
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131 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT) or
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132 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT) or
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133 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT)
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134 ),
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135 messageType: VkDebugUtilsMessageTypeFlagsEXT(
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136 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT) or
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137 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT) or
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138 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT)
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139 ),
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140 pfnUserCallback: debugCallback,
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141 pUserData: nil,
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142 )
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143 checkVkResult instance.vkCreateDebugUtilsMessengerEXT(addr(createInfo), nil, addr(result))
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144
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145 proc setupVulkanDeviceAndQueues(instance: VkInstance, surface: VkSurfaceKHR): Device =
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146 let usableDevices = instance.getAllPhysicalDevices(surface).filterForDevice()
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147 if len(usableDevices) == 0:
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148 raise newException(Exception, "No suitable graphics device found")
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149 result.physicalDevice = usableDevices[0][0]
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150 result.graphicsQueueFamily = usableDevices[0][1]
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151 result.presentationQueueFamily = usableDevices[0][2]
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152
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153 debug(&"Chose device {cleanString(result.physicalDevice.properties.deviceName)}")
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154
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155 (result.device, result.graphicsQueue, result.presentationQueue) = getVulcanDevice(
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156 result.physicalDevice.device,
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157 result.physicalDevice.features,
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158 result.graphicsQueueFamily,
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159 result.presentationQueueFamily,
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160 )
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161
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162 proc setupSwapChain(device: VkDevice, physicalDevice: PhysicalDevice, surface: VkSurfaceKHR, dimension: VkExtent2D, surfaceFormat: VkSurfaceFormatKHR): Swapchain =
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163
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164 let capabilities = physicalDevice.device.getSurfaceCapabilities(surface)
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165 var selectedPresentationMode = getPresentMode(physicalDevice.presentModes)
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166 # setup swapchain
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167 var swapchainCreateInfo = VkSwapchainCreateInfoKHR(
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168 sType: VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
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169 surface: surface,
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170 minImageCount: max(capabilities.minImageCount + 1, capabilities.maxImageCount),
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171 imageFormat: surfaceFormat.format,
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172 imageColorSpace: surfaceFormat.colorSpace,
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173 imageExtent: dimension,
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174 imageArrayLayers: 1,
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175 imageUsage: VkImageUsageFlags(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT),
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176 # VK_SHARING_MODE_CONCURRENT no supported (i.e cannot use different queue families for drawing to swap surface?)
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177 imageSharingMode: VK_SHARING_MODE_EXCLUSIVE,
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178 preTransform: capabilities.currentTransform,
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179 compositeAlpha: VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
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180 presentMode: selectedPresentationMode,
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181 clipped: VK_TRUE,
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182 oldSwapchain: VkSwapchainKHR(0),
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183 )
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184 checkVkResult device.vkCreateSwapchainKHR(addr(swapchainCreateInfo), nil, addr(result.swapchain))
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185 result.images = device.getSwapChainImages(result.swapchain)
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186
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187 # setup swapchian image views
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188
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189 result.imageviews = newSeq[VkImageView](result.images.len)
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190 for i, image in enumerate(result.images):
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191 var imageViewCreateInfo = VkImageViewCreateInfo(
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192 sType: VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
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193 image: image,
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194 viewType: VK_IMAGE_VIEW_TYPE_2D,
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195 format: surfaceFormat.format,
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196 components: VkComponentMapping(
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197 r: VK_COMPONENT_SWIZZLE_IDENTITY,
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198 g: VK_COMPONENT_SWIZZLE_IDENTITY,
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199 b: VK_COMPONENT_SWIZZLE_IDENTITY,
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200 a: VK_COMPONENT_SWIZZLE_IDENTITY,
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201 ),
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202 subresourceRange: VkImageSubresourceRange(
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203 aspectMask: VkImageAspectFlags(VK_IMAGE_ASPECT_COLOR_BIT),
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204 baseMipLevel: 0,
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205 levelCount: 1,
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206 baseArrayLayer: 0,
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207 layerCount: 1,
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208 ),
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209 )
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210 checkVkResult device.vkCreateImageView(addr(imageViewCreateInfo), nil, addr(result.imageviews[i]))
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211
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212 proc setupRenderPass(device: VkDevice, format: VkFormat): VkRenderPass =
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213 var
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214 colorAttachment = VkAttachmentDescription(
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215 format: format,
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216 samples: VK_SAMPLE_COUNT_1_BIT,
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217 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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218 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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219 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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220 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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221 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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222 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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223 )
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224 colorAttachmentRef = VkAttachmentReference(
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225 attachment: 0,
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226 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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227 )
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228 subpass = VkSubpassDescription(
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229 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS,
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230 colorAttachmentCount: 1,
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231 pColorAttachments: addr(colorAttachmentRef)
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232 )
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233 dependency = VkSubpassDependency(
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234 srcSubpass: VK_SUBPASS_EXTERNAL,
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235 dstSubpass: 0,
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236 srcStageMask: VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT),
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237 srcAccessMask: VkAccessFlags(0),
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238 dstStageMask: VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT),
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239 dstAccessMask: VkAccessFlags(VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT),
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240 )
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241 renderPassCreateInfo = VkRenderPassCreateInfo(
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242 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
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243 attachmentCount: 1,
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244 pAttachments: addr(colorAttachment),
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245 subpassCount: 1,
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246 pSubpasses: addr(subpass),
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247 dependencyCount: 1,
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248 pDependencies: addr(dependency),
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249 )
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250 checkVkResult device.vkCreateRenderPass(addr(renderPassCreateInfo), nil, addr(result))
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251
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252 proc setupRenderPipeline[T](device: VkDevice, frameDimension: VkExtent2D, renderPass: VkRenderPass, vertexShader, fragmentShader: string): RenderPipeline =
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253 # load shaders
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254 result.shaders.add(device.initShaderProgram(VK_SHADER_STAGE_VERTEX_BIT, vertexShader))
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255 result.shaders.add(device.initShaderProgram(VK_SHADER_STAGE_FRAGMENT_BIT, fragmentShader))
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256
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257 var
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258 # define which parts can be dynamic (pipeline is fixed after setup)
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259 dynamicStates = [VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR]
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260 dynamicState = VkPipelineDynamicStateCreateInfo(
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261 sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
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262 dynamicStateCount: uint32(dynamicStates.len),
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263 pDynamicStates: addr(dynamicStates[0]),
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264 )
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265 vertexbindings = generateInputVertexBinding[T]()
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266 attributebindings = generateInputAttributeBinding[T]()
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267
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268 # define input data format
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269 vertexInputInfo = VkPipelineVertexInputStateCreateInfo(
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270 sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
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271 vertexBindingDescriptionCount: uint32(vertexbindings.len),
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272 pVertexBindingDescriptions: addr(vertexbindings[0]),
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273 vertexAttributeDescriptionCount: uint32(attributebindings.len),
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274 pVertexAttributeDescriptions: addr(attributebindings[0]),
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275 )
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276 inputAssembly = VkPipelineInputAssemblyStateCreateInfo(
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277 sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
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278 topology: VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
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279 primitiveRestartEnable: VK_FALSE,
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280 )
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281
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282 # setup viewport
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283 var viewportState = VkPipelineViewportStateCreateInfo(
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284 sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
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285 viewportCount: 1,
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286 scissorCount: 1,
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287 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
288
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
289 # rasterizerization config
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
290 var
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
291 rasterizer = VkPipelineRasterizationStateCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
292 sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
293 depthClampEnable: VK_FALSE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
294 rasterizerDiscardEnable: VK_FALSE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
295 polygonMode: VK_POLYGON_MODE_FILL,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
296 lineWidth: 1.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
297 cullMode: VkCullModeFlags(VK_CULL_MODE_BACK_BIT),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
298 frontFace: VK_FRONT_FACE_CLOCKWISE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
299 depthBiasEnable: VK_FALSE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
300 depthBiasConstantFactor: 0.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
301 depthBiasClamp: 0.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
302 depthBiasSlopeFactor: 0.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
303 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
304 multisampling = VkPipelineMultisampleStateCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
305 sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
306 sampleShadingEnable: VK_FALSE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
307 rasterizationSamples: VK_SAMPLE_COUNT_1_BIT,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
308 minSampleShading: 1.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
309 pSampleMask: nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
310 alphaToCoverageEnable: VK_FALSE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
311 alphaToOneEnable: VK_FALSE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
312 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
313 colorBlendAttachment = VkPipelineColorBlendAttachmentState(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
314 colorWriteMask: VkColorComponentFlags(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
315 ord(VK_COLOR_COMPONENT_R_BIT) or
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
316 ord(VK_COLOR_COMPONENT_G_BIT) or
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
317 ord(VK_COLOR_COMPONENT_B_BIT) or
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
318 ord(VK_COLOR_COMPONENT_A_BIT)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
319 ),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
320 blendEnable: VK_TRUE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
321 srcColorBlendFactor: VK_BLEND_FACTOR_SRC_ALPHA,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
322 dstColorBlendFactor: VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
323 colorBlendOp: VK_BLEND_OP_ADD,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
324 srcAlphaBlendFactor: VK_BLEND_FACTOR_ONE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
325 dstAlphaBlendFactor: VK_BLEND_FACTOR_ZERO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
326 alphaBlendOp: VK_BLEND_OP_ADD,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
327 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
328 colorBlending = VkPipelineColorBlendStateCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
329 sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
330 logicOpEnable: VK_TRUE,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
331 logicOp: VK_LOGIC_OP_COPY,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
332 attachmentCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
333 pAttachments: addr(colorBlendAttachment),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
334 blendConstants: [0.0'f, 0.0'f, 0.0'f, 0.0'f],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
335 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
336
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
337 # create pipeline
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
338 pipelineLayoutInfo = VkPipelineLayoutCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
339 sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
340 setLayoutCount: 0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
341 pSetLayouts: nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
342 pushConstantRangeCount: 0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
343 pPushConstantRanges: nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
344 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
345 checkVkResult vkCreatePipelineLayout(device, addr(pipelineLayoutInfo), nil, addr(result.layout))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
346
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
347 var stages: seq[VkPipelineShaderStageCreateInfo]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
348 for shader in result.shaders:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
349 stages.add(shader.shader)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
350 var pipelineInfo = VkGraphicsPipelineCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
351 sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
352 stageCount: uint32(stages.len),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
353 pStages: addr(stages[0]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
354 pVertexInputState: addr(vertexInputInfo),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
355 pInputAssemblyState: addr(inputAssembly),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
356 pViewportState: addr(viewportState),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
357 pRasterizationState: addr(rasterizer),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
358 pMultisampleState: addr(multisampling),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
359 pDepthStencilState: nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
360 pColorBlendState: addr(colorBlending),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
361 pDynamicState: addr(dynamicState),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
362 layout: result.layout,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
363 renderPass: renderPass,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
364 subpass: 0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
365 basePipelineHandle: VkPipeline(0),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
366 basePipelineIndex: -1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
367 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
368 checkVkResult vkCreateGraphicsPipelines(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
369 device,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
370 VkPipelineCache(0),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
371 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
372 addr(pipelineInfo),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
373 nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
374 addr(result.pipeline)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
375 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
376
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
377 proc setupFramebuffers(device: VkDevice, swapchain: var Swapchain, renderPass: VkRenderPass, dimension: VkExtent2D): seq[VkFramebuffer] =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
378 result = newSeq[VkFramebuffer](swapchain.images.len)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
379 for i, imageview in enumerate(swapchain.imageviews):
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
380 var framebufferInfo = VkFramebufferCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
381 sType: VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
382 renderPass: renderPass,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
383 attachmentCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
384 pAttachments: addr(swapchain.imageviews[i]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
385 width: dimension.width,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
386 height: dimension.height,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
387 layers: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
388 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
389 checkVkResult device.vkCreateFramebuffer(addr(framebufferInfo), nil, addr(result[i]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
390
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
391 proc trash(device: VkDevice, swapchain: Swapchain, framebuffers: seq[VkFramebuffer]) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
392 for framebuffer in framebuffers:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
393 device.vkDestroyFramebuffer(framebuffer, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
394 for imageview in swapchain.imageviews:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
395 device.vkDestroyImageView(imageview, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
396 device.vkDestroySwapchainKHR(swapchain.swapchain, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
397
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
398 proc recreateSwapchain(vulkan: Vulkan): (Swapchain, seq[VkFramebuffer]) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
399 debug(&"Recreate swapchain with dimension {vulkan.frameDimension}")
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
400 checkVkResult vulkan.device.device.vkDeviceWaitIdle()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
401
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
402 vulkan.device.device.trash(vulkan.swapchain, vulkan.framebuffers)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
403
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
404 result[0] = vulkan.device.device.setupSwapChain(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
405 vulkan.device.physicalDevice,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
406 vulkan.surface,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
407 vulkan.frameDimension,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
408 vulkan.surfaceFormat
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
409 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
410 result[1] = vulkan.device.device.setupFramebuffers(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
411 result[0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
412 vulkan.renderPass,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
413 vulkan.frameDimension
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
414 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
415
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
416
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
417 proc setupCommandBuffers(device: VkDevice, graphicsQueueFamily: uint32): (VkCommandPool, array[MAX_FRAMES_IN_FLIGHT, VkCommandBuffer]) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
418 # set up command buffer
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
419 var poolInfo = VkCommandPoolCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
420 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
421 flags: VkCommandPoolCreateFlags(VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
422 queueFamilyIndex: graphicsQueueFamily,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
423 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
424 checkVkResult device.vkCreateCommandPool(addr(poolInfo), nil, addr(result[0]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
425
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
426 var allocInfo = VkCommandBufferAllocateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
427 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
428 commandPool: result[0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
429 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
430 commandBufferCount: result[1].len.uint32,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
431 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
432 checkVkResult device.vkAllocateCommandBuffers(addr(allocInfo), addr(result[1][0]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
433
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
434 proc setupSyncPrimitives(device: VkDevice): (
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
435 array[MAX_FRAMES_IN_FLIGHT, VkSemaphore],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
436 array[MAX_FRAMES_IN_FLIGHT, VkSemaphore],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
437 array[MAX_FRAMES_IN_FLIGHT, VkFence],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
438 ) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
439 var semaphoreInfo = VkSemaphoreCreateInfo(sType: VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
440 var fenceInfo = VkFenceCreateInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
441 sType: VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
442 flags: VkFenceCreateFlags(VK_FENCE_CREATE_SIGNALED_BIT)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
443 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
444 for i in 0 ..< MAX_FRAMES_IN_FLIGHT:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
445 checkVkResult device.vkCreateSemaphore(addr(semaphoreInfo), nil, addr(result[0][i]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
446 checkVkResult device.vkCreateSemaphore(addr(semaphoreInfo), nil, addr(result[1][i]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
447 checkVkResult device.vkCreateFence(addr(fenceInfo), nil, addr(result[2][i]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
448
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
449 proc igniteEngine*(): Engine =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
450
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
451 result.window = createWindow("Hello triangle")
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
452
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
453 # setup vulkan functions
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
454 vkLoad1_0()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
455 vkLoad1_1()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
456 vkLoad1_2()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
457
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
458 checkGlslangResult glslang_initialize_process()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
459
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
460 # create vulkan instance
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
461 result.vulkan.instance = createVulkanInstance(VULKAN_VERSION)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
462 when DEBUG_LOG:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
463 result.vulkan.debugMessenger = result.vulkan.instance.setupDebugLog()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
464 result.vulkan.surface = result.vulkan.instance.createVulkanSurface(result.window)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
465 result.vulkan.device = result.vulkan.instance.setupVulkanDeviceAndQueues(result.vulkan.surface)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
466
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
467 # get basic frame information
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
468 result.vulkan.surfaceFormat = result.vulkan.device.physicalDevice.formats.getSuitableSurfaceFormat()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
469 result.vulkan.frameDimension = result.window.getFrameDimension(result.vulkan.device.physicalDevice.device, result.vulkan.surface)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
470
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
471 # setup swapchain and render pipeline
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
472 result.vulkan.swapchain = result.vulkan.device.device.setupSwapChain(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
473 result.vulkan.device.physicalDevice,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
474 result.vulkan.surface,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
475 result.vulkan.frameDimension,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
476 result.vulkan.surfaceFormat
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
477 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
478 result.vulkan.renderPass = result.vulkan.device.device.setupRenderPass(result.vulkan.surfaceFormat.format)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
479 result.vulkan.framebuffers = result.vulkan.device.device.setupFramebuffers(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
480 result.vulkan.swapchain,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
481 result.vulkan.renderPass,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
482 result.vulkan.frameDimension
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
483 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
484 (
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
485 result.vulkan.commandPool,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
486 result.vulkan.commandBuffers,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
487 ) = result.vulkan.device.device.setupCommandBuffers(result.vulkan.device.graphicsQueueFamily)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
488
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
489 (
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
490 result.vulkan.imageAvailableSemaphores,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
491 result.vulkan.renderFinishedSemaphores,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
492 result.vulkan.inFlightFences,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
493 ) = result.vulkan.device.device.setupSyncPrimitives()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
494
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
495
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
496 proc setupPipeline*[T: object, U: uint16|uint32](engine: var Engine, scenedata: ref Thing, vertexShader, fragmentShader: string) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
497 engine.currentscenedata = scenedata
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
498 engine.vulkan.pipeline = setupRenderPipeline[T](
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
499 engine.vulkan.device.device,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
500 engine.vulkan.frameDimension,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
501 engine.vulkan.renderPass,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
502 vertexShader,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
503 fragmentShader,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
504 )
481
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
505 var allmeshes: seq[Mesh[T]]
480
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
506 for mesh in partsOfType[ref Mesh[T]](engine.currentscenedata):
481
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
507 allmeshes.add(mesh[])
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
508 var ubermesh = createUberMesh(allmeshes)
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
509 engine.vulkan.vertexBuffers.add createVertexBuffers(ubermesh, engine.vulkan.device.device, engine.vulkan.device.physicalDevice.device, engine.vulkan.commandPool, engine.vulkan.device.graphicsQueue)
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
510
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
511 var allindexedmeshes: seq[IndexedMesh[T, U]]
480
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
512 for mesh in partsOfType[ref IndexedMesh[T, U]](engine.currentscenedata):
481
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
513 allindexedmeshes.add(mesh[])
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
514 var indexedubermesh = createUberMesh(allindexedmeshes)
c472abfcee57 add: generate ubermeshes
Sam <sam@basx.dev>
parents: 480
diff changeset
515 engine.vulkan.indexedVertexBuffers.add createIndexedVertexBuffers(indexedubermesh, engine.vulkan.device.device, engine.vulkan.device.physicalDevice.device, engine.vulkan.commandPool, engine.vulkan.device.graphicsQueue)
480
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
516
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
517 proc recordCommandBuffer(renderPass: VkRenderPass, pipeline: VkPipeline, commandBuffer: VkCommandBuffer, framebuffer: VkFramebuffer, frameDimension: VkExtent2D, engine: var Engine) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
518 var
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
519 beginInfo = VkCommandBufferBeginInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
520 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
521 pInheritanceInfo: nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
522 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
523 clearColor = VkClearValue(color: VkClearColorValue(float32: [0.2'f, 0.2'f, 0.2'f, 1.0'f]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
524 renderPassInfo = VkRenderPassBeginInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
525 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
526 renderPass: renderPass,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
527 framebuffer: framebuffer,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
528 renderArea: VkRect2D(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
529 offset: VkOffset2D(x: 0, y: 0),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
530 extent: frameDimension,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
531 ),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
532 clearValueCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
533 pClearValues: addr(clearColor),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
534 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
535 viewport = VkViewport(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
536 x: 0.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
537 y: 0.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
538 width: (float) frameDimension.width,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
539 height: (float) frameDimension.height,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
540 minDepth: 0.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
541 maxDepth: 1.0,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
542 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
543 scissor = VkRect2D(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
544 offset: VkOffset2D(x: 0, y: 0),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
545 extent: frameDimension
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
546 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
547 checkVkResult commandBuffer.vkBeginCommandBuffer(addr(beginInfo))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
548 commandBuffer.vkCmdBeginRenderPass(addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
549 commandBuffer.vkCmdSetViewport(firstViewport=0, viewportCount=1, addr(viewport))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
550 commandBuffer.vkCmdSetScissor(firstScissor=0, scissorCount=1, addr(scissor))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
551 commandBuffer.vkCmdBindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
552
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
553 for (vertexBufferSet, vertexCount) in engine.vulkan.vertexBuffers:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
554 var
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
555 vertexBuffers: seq[VkBuffer]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
556 offsets: seq[VkDeviceSize]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
557 for buffer in vertexBufferSet:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
558 vertexBuffers.add buffer.vkBuffer
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
559 offsets.add VkDeviceSize(0)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
560
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
561 commandBuffer.vkCmdBindVertexBuffers(firstBinding=0'u32, bindingCount=2'u32, pBuffers=addr(vertexBuffers[0]), pOffsets=addr(offsets[0]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
562 commandBuffer.vkCmdDraw(vertexCount=vertexCount, instanceCount=1'u32, firstVertex=0'u32, firstInstance=0'u32)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
563
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
564 for (vertexBufferSet, indexBuffer, indicesCount, indexType) in engine.vulkan.indexedVertexBuffers:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
565 var
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
566 vertexBuffers: seq[VkBuffer]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
567 offsets: seq[VkDeviceSize]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
568 for buffer in vertexBufferSet:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
569 vertexBuffers.add buffer.vkBuffer
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
570 offsets.add VkDeviceSize(0)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
571
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
572 commandBuffer.vkCmdBindVertexBuffers(firstBinding=0'u32, bindingCount=2'u32, pBuffers=addr(vertexBuffers[0]), pOffsets=addr(offsets[0]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
573 commandBuffer.vkCmdBindIndexBuffer(indexBuffer.vkBuffer, VkDeviceSize(0), indexType);
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
574 commandBuffer.vkCmdDrawIndexed(indicesCount, 1, 0, 0, 0);
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
575 commandBuffer.vkCmdEndRenderPass()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
576 checkVkResult commandBuffer.vkEndCommandBuffer()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
577
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
578 proc drawFrame(window: NativeWindow, vulkan: var Vulkan, currentFrame: int, resized: bool, engine: var Engine) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
579 checkVkResult vulkan.device.device.vkWaitForFences(1, addr(vulkan.inFlightFences[currentFrame]), VK_TRUE, high(uint64))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
580 var bufferImageIndex: uint32
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
581 let nextImageResult = vulkan.device.device.vkAcquireNextImageKHR(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
582 vulkan.swapchain.swapchain,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
583 high(uint64),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
584 vulkan.imageAvailableSemaphores[currentFrame],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
585 VkFence(0),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
586 addr(bufferImageIndex)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
587 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
588 if nextImageResult == VK_ERROR_OUT_OF_DATE_KHR:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
589 vulkan.frameDimension = window.getFrameDimension(vulkan.device.physicalDevice.device, vulkan.surface)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
590 (vulkan.swapchain, vulkan.framebuffers) = vulkan.recreateSwapchain()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
591 elif not (nextImageResult in [VK_SUCCESS, VK_SUBOPTIMAL_KHR]):
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
592 raise newException(Exception, "Vulkan error: vkAcquireNextImageKHR returned " & $nextImageResult)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
593 checkVkResult vulkan.device.device.vkResetFences(1, addr(vulkan.inFlightFences[currentFrame]))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
594
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
595 checkVkResult vulkan.commandBuffers[currentFrame].vkResetCommandBuffer(VkCommandBufferResetFlags(0))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
596 vulkan.renderPass.recordCommandBuffer(vulkan.pipeline.pipeline, vulkan.commandBuffers[currentFrame], vulkan.framebuffers[bufferImageIndex], vulkan.frameDimension, engine)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
597 var
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
598 waitSemaphores = [vulkan.imageAvailableSemaphores[currentFrame]]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
599 waitStages = [VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT)]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
600 signalSemaphores = [vulkan.renderFinishedSemaphores[currentFrame]]
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
601 submitInfo = VkSubmitInfo(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
602 sType: VK_STRUCTURE_TYPE_SUBMIT_INFO,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
603 waitSemaphoreCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
604 pWaitSemaphores: addr(waitSemaphores[0]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
605 pWaitDstStageMask: addr(waitStages[0]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
606 commandBufferCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
607 pCommandBuffers: addr(vulkan.commandBuffers[currentFrame]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
608 signalSemaphoreCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
609 pSignalSemaphores: addr(signalSemaphores[0]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
610 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
611 checkVkResult vkQueueSubmit(vulkan.device.graphicsQueue, 1, addr(submitInfo), vulkan.inFlightFences[currentFrame])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
612
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
613 var presentInfo = VkPresentInfoKHR(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
614 sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
615 waitSemaphoreCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
616 pWaitSemaphores: addr(signalSemaphores[0]),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
617 swapchainCount: 1,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
618 pSwapchains: addr(vulkan.swapchain.swapchain),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
619 pImageIndices: addr(bufferImageIndex),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
620 pResults: nil,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
621 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
622 let presentResult = vkQueuePresentKHR(vulkan.device.presentationQueue, addr(presentInfo))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
623
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
624 if presentResult == VK_ERROR_OUT_OF_DATE_KHR or presentResult == VK_SUBOPTIMAL_KHR or resized:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
625 vulkan.frameDimension = window.getFrameDimension(vulkan.device.physicalDevice.device, vulkan.surface)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
626 (vulkan.swapchain, vulkan.framebuffers) = vulkan.recreateSwapchain()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
627
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
628
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
629 proc fullThrottle*(engine: var Engine) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
630 var
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
631 killed = false
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
632 currentFrame = 0
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
633 resized = false
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
634
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
635 while not killed:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
636 for event in engine.window.pendingEvents():
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
637 case event.eventType:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
638 of Quit:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
639 killed = true
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
640 of ResizedWindow:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
641 resized = true
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
642 of KeyDown:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
643 echo event
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
644 if event.key == Escape:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
645 killed = true
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
646 else:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
647 discard
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
648 engine.window.drawFrame(engine.vulkan, currentFrame, resized, engine)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
649 resized = false
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
650 currentFrame = (currentFrame + 1) mod MAX_FRAMES_IN_FLIGHT;
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
651 checkVkResult engine.vulkan.device.device.vkDeviceWaitIdle()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
652
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
653 proc trash*(engine: var Engine) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
654 for (bufferset, cnt) in engine.vulkan.vertexBuffers.mitems:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
655 for buffer in bufferset.mitems:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
656 buffer.trash()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
657 for (bufferset, indexbuffer, cnt, t) in engine.vulkan.indexedVertexBuffers.mitems:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
658 indexbuffer.trash()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
659 for buffer in bufferset.mitems:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
660 buffer.trash()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
661 engine.vulkan.device.device.trash(engine.vulkan.swapchain, engine.vulkan.framebuffers)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
662 checkVkResult engine.vulkan.device.device.vkDeviceWaitIdle()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
663
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
664 for i in 0 ..< MAX_FRAMES_IN_FLIGHT:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
665 engine.vulkan.device.device.vkDestroySemaphore(engine.vulkan.imageAvailableSemaphores[i], nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
666 engine.vulkan.device.device.vkDestroySemaphore(engine.vulkan.renderFinishedSemaphores[i], nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
667 engine.vulkan.device.device.vkDestroyFence(engine.vulkan.inFlightFences[i], nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
668
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
669 engine.vulkan.device.device.vkDestroyCommandPool(engine.vulkan.commandPool, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
670 engine.vulkan.device.device.vkDestroyPipeline(engine.vulkan.pipeline.pipeline, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
671 engine.vulkan.device.device.vkDestroyPipelineLayout(engine.vulkan.pipeline.layout, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
672 engine.vulkan.device.device.vkDestroyRenderPass(engine.vulkan.renderPass, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
673
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
674 for shader in engine.vulkan.pipeline.shaders:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
675 engine.vulkan.device.device.vkDestroyShaderModule(shader.shader.module, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
676
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
677 engine.vulkan.instance.vkDestroySurfaceKHR(engine.vulkan.surface, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
678 engine.vulkan.device.device.vkDestroyDevice(nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
679 when DEBUG_LOG:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
680 engine.vulkan.instance.vkDestroyDebugUtilsMessengerEXT(engine.vulkan.debugMessenger, nil)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
681 glslang_finalize_process()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
682 engine.window.trash()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
683 engine.vulkan.instance.vkDestroyInstance(nil)