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annotate src/engine.nim @ 9:227e53d1a853

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fix: segfault on shutdown
author Sam <sam@basx.dev>
date Sat, 24 Dec 2022 22:38:03 +0700
parents 1134f41a49e9
children 3415afff1d1a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
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diff changeset
1 import std/typetraits
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2 import std/strformat
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3 import std/enumerate
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4 import std/logging
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5
0
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6
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7 import ./vulkan
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8 import ./vulkan_helpers
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9 import ./window
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10 import ./events
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11
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12 import ./glslang/glslang
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13
2
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14 const MAX_FRAMES_IN_FLIGHT = 2
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15
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16 var logger = newConsoleLogger()
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17 addHandler(logger)
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18
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19
1
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20 var vertexShaderCode: string = """#version 450
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21 layout(location = 0) out vec3 fragColor;
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22 vec3 colors[3] = vec3[](
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23 vec3(1.0, 0.0, 0.0),
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24 vec3(0.0, 1.0, 0.0),
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25 vec3(0.0, 0.0, 1.0)
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26 );
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27 vec2 positions[3] = vec2[](
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28 vec2(0.0, -0.5),
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29 vec2(0.5, 0.5),
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30 vec2(-0.5, 0.5)
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31 );
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32 void main() {
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33 gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
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34 fragColor = colors[gl_VertexIndex];
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35 }"""
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36
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37 var fragmentShaderCode: string = """#version 450
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38 layout(location = 0) out vec4 outColor;
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39 layout(location = 0) in vec3 fragColor;
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40 void main() {
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41 outColor = vec4(fragColor, 1.0);
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42 }"""
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43
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44 const VULKAN_VERSION = VK_MAKE_API_VERSION(0'u32, 1'u32, 2'u32, 0'u32)
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45
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46 type
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47 Device = object
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48 physicalDevice: PhysicalDevice
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49 graphicsQueueFamily: uint32
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50 presentationQueueFamily: uint32
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51 device: VkDevice
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52 graphicsQueue: VkQueue
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53 presentationQueue: VkQueue
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54 Swapchain = object
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55 swapchain: VkSwapchainKHR
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56 images: seq[VkImage]
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57 imageviews: seq[VkImageView]
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58 RenderPipeline = object
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59 shaderStages*: seq[VkPipelineShaderStageCreateInfo]
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60 layout*: VkPipelineLayout
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61 pipeline*: VkPipeline
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62 QueueFamily = object
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63 properties*: VkQueueFamilyProperties
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64 hasSurfaceSupport*: bool
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65 PhysicalDevice = object
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66 device*: VkPhysicalDevice
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67 extensions*: seq[string]
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68 properties*: VkPhysicalDeviceProperties
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69 features*: VkPhysicalDeviceFeatures
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70 queueFamilies*: seq[QueueFamily]
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71 formats: seq[VkSurfaceFormatKHR]
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72 presentModes: seq[VkPresentModeKHR]
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73 Vulkan* = object
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74 debugMessenger: VkDebugUtilsMessengerEXT
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75 instance*: VkInstance
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76 deviceList*: seq[PhysicalDevice]
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77 device*: Device
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78 surface*: VkSurfaceKHR
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79 surfaceFormat: VkSurfaceFormatKHR
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80 frameDimension: VkExtent2D
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81 swapchain: Swapchain
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82 framebuffers: seq[VkFramebuffer]
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83 renderPass*: VkRenderPass
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84 pipeline*: RenderPipeline
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85 commandPool*: VkCommandPool
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86 commandBuffers*: array[MAX_FRAMES_IN_FLIGHT, VkCommandBuffer]
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87 imageAvailableSemaphores*: array[MAX_FRAMES_IN_FLIGHT, VkSemaphore]
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88 renderFinishedSemaphores*: array[MAX_FRAMES_IN_FLIGHT, VkSemaphore]
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89 inFlightFences*: array[MAX_FRAMES_IN_FLIGHT, VkFence]
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90 Engine* = object
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91 vulkan*: Vulkan
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92 window: NativeWindow
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93
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94 proc getAllPhysicalDevices(instance: VkInstance, surface: VkSurfaceKHR): seq[PhysicalDevice] =
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95 for vulkanPhysicalDevice in getVulkanPhysicalDevices(instance):
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96 var device = PhysicalDevice(device: vulkanPhysicalDevice, extensions: getDeviceExtensions(vulkanPhysicalDevice))
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97 vkGetPhysicalDeviceProperties(vulkanPhysicalDevice, addr(device.properties))
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98 vkGetPhysicalDeviceFeatures(vulkanPhysicalDevice, addr(device.features))
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99 device.formats = vulkanPhysicalDevice.getDeviceSurfaceFormats(surface)
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100 device.presentModes = vulkanPhysicalDevice.getDeviceSurfacePresentModes(surface)
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101
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102 debug(&"Physical device nr {int(vulkanPhysicalDevice)} {cleanString(device.properties.deviceName)}")
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103 for i, queueFamilyProperty in enumerate(getQueueFamilies(vulkanPhysicalDevice)):
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104 var hasSurfaceSupport: VkBool32 = VK_FALSE
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105 checkVkResult vkGetPhysicalDeviceSurfaceSupportKHR(vulkanPhysicalDevice, uint32(i), surface, addr(hasSurfaceSupport))
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106 device.queueFamilies.add(QueueFamily(properties: queueFamilyProperty, hasSurfaceSupport: bool(hasSurfaceSupport)))
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107 debug(&" Queue family {i} {queueFamilyProperty}")
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108
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109 result.add(device)
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110
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111 proc filterForDevice(devices: seq[PhysicalDevice]): seq[(PhysicalDevice, uint32, uint32)] =
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112 for device in devices:
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113 if not (device.formats.len > 0 and device.presentModes.len > 0 and "VK_KHR_swapchain" in device.extensions):
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114 continue
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115 var graphicsQueueFamily = high(uint32)
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116 var presentationQueueFamily = high(uint32)
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117 for i, queueFamily in enumerate(device.queueFamilies):
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118 if queueFamily.hasSurfaceSupport:
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119 presentationQueueFamily = uint32(i)
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120 if bool(uint32(queueFamily.properties.queueFlags) and ord(VK_QUEUE_GRAPHICS_BIT)):
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121 graphicsQueueFamily = uint32(i)
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122 if graphicsQueueFamily != high(uint32) and presentationQueueFamily != high(uint32):
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123 result.add((device, graphicsQueueFamily, presentationQueueFamily))
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124
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125 for (device, graphicsQueueFamily, presentationQueueFamily) in result:
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126 debug(&"Viable device: {cleanString(device.properties.deviceName)} (graphics queue family {graphicsQueueFamily}, presentation queue family {presentationQueueFamily})")
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127
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128
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129 proc getFrameDimension(window: NativeWindow, device: VkPhysicalDevice, surface: VkSurfaceKHR): VkExtent2D =
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130 let capabilities = device.getSurfaceCapabilities(surface)
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131 if capabilities.currentExtent.width != high(uint32):
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132 return capabilities.currentExtent
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133 else:
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134 let (width, height) = window.size()
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135 return VkExtent2D(
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136 width: min(max(uint32(width), capabilities.minImageExtent.width), capabilities.maxImageExtent.width),
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137 height: min(max(uint32(height), capabilities.minImageExtent.height), capabilities.maxImageExtent.height),
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138 )
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139
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140 when not defined(release):
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141 proc setupDebugLog(instance: VkInstance): VkDebugUtilsMessengerEXT =
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142 var createInfo = VkDebugUtilsMessengerCreateInfoEXT(
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143 sType: VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
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144 messageSeverity: VkDebugUtilsMessageSeverityFlagsEXT(
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145 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT) or
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146 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT) or
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147 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT)
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148 ),
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149 messageType: VkDebugUtilsMessageTypeFlagsEXT(
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150 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT) or
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151 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT) or
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152 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT)
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153 ),
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154 pfnUserCallback: debugCallback,
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155 pUserData: nil,
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156 )
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157 checkVkResult instance.vkCreateDebugUtilsMessengerEXT(addr(createInfo), nil, addr(result))
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158
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159 proc setupVulkanDeviceAndQueues(instance: VkInstance, surface: VkSurfaceKHR): Device =
2
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160 let usableDevices = instance.getAllPhysicalDevices(surface).filterForDevice()
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161 if len(usableDevices) == 0:
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162 raise newException(Exception, "No suitable graphics device found")
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163 result.physicalDevice = usableDevices[0][0]
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164 result.graphicsQueueFamily = usableDevices[0][1]
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165 result.presentationQueueFamily = usableDevices[0][2]
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166
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167 debug(&"Chose device {cleanString(result.physicalDevice.properties.deviceName)}")
2
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168
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169 (result.device, result.graphicsQueue, result.presentationQueue) = getVulcanDevice(
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170 result.physicalDevice.device,
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171 result.physicalDevice.features,
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172 result.graphicsQueueFamily,
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173 result.presentationQueueFamily,
2
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174 )
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175
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176 proc setupSwapChain(device: VkDevice, physicalDevice: PhysicalDevice, surface: VkSurfaceKHR, dimension: VkExtent2D, surfaceFormat: VkSurfaceFormatKHR): Swapchain =
5
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177
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178 let capabilities = physicalDevice.device.getSurfaceCapabilities(surface)
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179 var selectedPresentationMode = getPresentMode(physicalDevice.presentModes)
0
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180 # setup swapchain
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181 var swapchainCreateInfo = VkSwapchainCreateInfoKHR(
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182 sType: VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
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183 surface: surface,
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184 minImageCount: max(capabilities.minImageCount + 1, capabilities.maxImageCount),
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185 imageFormat: surfaceFormat.format,
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186 imageColorSpace: surfaceFormat.colorSpace,
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187 imageExtent: dimension,
0
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188 imageArrayLayers: 1,
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189 imageUsage: VkImageUsageFlags(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT),
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190 # VK_SHARING_MODE_CONCURRENT no supported (i.e cannot use different queue families for drawing to swap surface?)
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191 imageSharingMode: VK_SHARING_MODE_EXCLUSIVE,
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192 preTransform: capabilities.currentTransform,
0
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193 compositeAlpha: VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
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194 presentMode: selectedPresentationMode,
1
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195 clipped: VK_TRUE,
0
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196 oldSwapchain: VkSwapchainKHR(0),
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197 )
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198 checkVkResult device.vkCreateSwapchainKHR(addr(swapchainCreateInfo), nil, addr(result.swapchain))
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199 result.images = device.getSwapChainImages(result.swapchain)
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200
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201 # setup swapchian image views
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202
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203 result.imageviews = newSeq[VkImageView](result.images.len)
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204 for i, image in enumerate(result.images):
0
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205 var imageViewCreateInfo = VkImageViewCreateInfo(
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206 sType: VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
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207 image: image,
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208 viewType: VK_IMAGE_VIEW_TYPE_2D,
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209 format: surfaceFormat.format,
0
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210 components: VkComponentMapping(
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211 r: VK_COMPONENT_SWIZZLE_IDENTITY,
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212 g: VK_COMPONENT_SWIZZLE_IDENTITY,
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213 b: VK_COMPONENT_SWIZZLE_IDENTITY,
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214 a: VK_COMPONENT_SWIZZLE_IDENTITY,
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215 ),
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216 subresourceRange: VkImageSubresourceRange(
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217 aspectMask: VkImageAspectFlags(VK_IMAGE_ASPECT_COLOR_BIT),
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218 baseMipLevel: 0,
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219 levelCount: 1,
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220 baseArrayLayer: 0,
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221 layerCount: 1,
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222 ),
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223 )
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224 checkVkResult device.vkCreateImageView(addr(imageViewCreateInfo), nil, addr(result.imageviews[i]))
1
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225
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226 proc setupRenderPass(device: VkDevice, format: VkFormat): VkRenderPass =
2
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227 var
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228 colorAttachment = VkAttachmentDescription(
4
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229 format: format,
2
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230 samples: VK_SAMPLE_COUNT_1_BIT,
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231 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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232 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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233 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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234 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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235 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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236 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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parents: 1
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237 )
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238 colorAttachmentRef = VkAttachmentReference(
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239 attachment: 0,
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240 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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parents: 1
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241 )
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242 subpass = VkSubpassDescription(
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243 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS,
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244 colorAttachmentCount: 1,
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245 pColorAttachments: addr(colorAttachmentRef)
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246 )
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247 dependency = VkSubpassDependency(
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248 srcSubpass: VK_SUBPASS_EXTERNAL,
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249 dstSubpass: 0,
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250 srcStageMask: VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT),
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251 srcAccessMask: VkAccessFlags(0),
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252 dstStageMask: VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT),
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253 dstAccessMask: VkAccessFlags(VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT),
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parents: 1
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254 )
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255 renderPassCreateInfo = VkRenderPassCreateInfo(
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256 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
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parents: 1
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257 attachmentCount: 1,
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parents: 1
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258 pAttachments: addr(colorAttachment),
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parents: 1
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259 subpassCount: 1,
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parents: 1
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260 pSubpasses: addr(subpass),
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parents: 1
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261 dependencyCount: 1,
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parents: 1
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262 pDependencies: addr(dependency),
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parents: 1
diff changeset
263 )
4
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264 checkVkResult device.vkCreateRenderPass(addr(renderPassCreateInfo), nil, addr(result))
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parents: 2
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265
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266 proc setupRenderPipeline(device: VkDevice, frameDimension: VkExtent2D, renderPass: VkRenderPass): RenderPipeline =
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parents: 2
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267 # (seq[VkPipelineShaderStageCreateInfo], VkViewport, VkRect2D, VkPipelineLayout, VkPipeline) =
1
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268
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269 # load shaders
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270 result.shaderStages.add(device.createShaderStage(VK_SHADER_STAGE_VERTEX_BIT, vertexShaderCode))
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parents: 2
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271 result.shaderStages.add(device.createShaderStage(VK_SHADER_STAGE_FRAGMENT_BIT, fragmentShaderCode))
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272
2
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parents: 1
diff changeset
273 var
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parents: 1
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274 # define which parts can be dynamic (pipeline is fixed after setup)
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275 dynamicStates = [VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR]
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276 dynamicState = VkPipelineDynamicStateCreateInfo(
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277 sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
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parents: 1
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278 dynamicStateCount: uint32(dynamicStates.len),
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279 pDynamicStates: addr(dynamicStates[0]),
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parents: 1
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280 )
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281 # define input data format
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282 vertexInputInfo = VkPipelineVertexInputStateCreateInfo(
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283 sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
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parents: 1
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284 vertexBindingDescriptionCount: 0,
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parents: 1
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285 pVertexBindingDescriptions: nil,
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286 vertexAttributeDescriptionCount: 0,
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287 pVertexAttributeDescriptions: nil,
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parents: 1
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288 )
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parents: 1
diff changeset
289 inputAssembly = VkPipelineInputAssemblyStateCreateInfo(
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290 sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
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parents: 1
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291 topology: VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
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parents: 1
diff changeset
292 primitiveRestartEnable: VK_FALSE,
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parents: 1
diff changeset
293 )
1
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parents: 0
diff changeset
294
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295 # setup viewport
2
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296 var viewportState = VkPipelineViewportStateCreateInfo(
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297 sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
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parents: 1
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298 viewportCount: 1,
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parents: 1
diff changeset
299 scissorCount: 1,
1
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parents: 0
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300 )
0
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parents:
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301
2
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302 # rasterizerization config
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303 var
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304 rasterizer = VkPipelineRasterizationStateCreateInfo(
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305 sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
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306 depthClampEnable: VK_FALSE,
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307 rasterizerDiscardEnable: VK_FALSE,
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308 polygonMode: VK_POLYGON_MODE_FILL,
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309 lineWidth: 1.0,
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310 cullMode: VkCullModeFlags(VK_CULL_MODE_BACK_BIT),
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311 frontFace: VK_FRONT_FACE_CLOCKWISE,
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312 depthBiasEnable: VK_FALSE,
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313 depthBiasConstantFactor: 0.0,
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314 depthBiasClamp: 0.0,
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315 depthBiasSlopeFactor: 0.0,
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316 )
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317 multisampling = VkPipelineMultisampleStateCreateInfo(
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318 sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
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319 sampleShadingEnable: VK_FALSE,
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320 rasterizationSamples: VK_SAMPLE_COUNT_1_BIT,
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321 minSampleShading: 1.0,
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322 pSampleMask: nil,
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323 alphaToCoverageEnable: VK_FALSE,
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324 alphaToOneEnable: VK_FALSE,
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325 )
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326 colorBlendAttachment = VkPipelineColorBlendAttachmentState(
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327 colorWriteMask: VkColorComponentFlags(
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parents: 1
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328 ord(VK_COLOR_COMPONENT_R_BIT) or
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parents: 1
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329 ord(VK_COLOR_COMPONENT_G_BIT) or
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parents: 1
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330 ord(VK_COLOR_COMPONENT_B_BIT) or
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331 ord(VK_COLOR_COMPONENT_A_BIT)
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parents: 1
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332 ),
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333 blendEnable: VK_TRUE,
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334 srcColorBlendFactor: VK_BLEND_FACTOR_SRC_ALPHA,
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335 dstColorBlendFactor: VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
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336 colorBlendOp: VK_BLEND_OP_ADD,
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337 srcAlphaBlendFactor: VK_BLEND_FACTOR_ONE,
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338 dstAlphaBlendFactor: VK_BLEND_FACTOR_ZERO,
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339 alphaBlendOp: VK_BLEND_OP_ADD,
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340 )
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341 colorBlending = VkPipelineColorBlendStateCreateInfo(
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parents: 1
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342 sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
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343 logicOpEnable: VK_TRUE,
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344 logicOp: VK_LOGIC_OP_COPY,
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345 attachmentCount: 1,
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346 pAttachments: addr(colorBlendAttachment),
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347 blendConstants: [0.0'f, 0.0'f, 0.0'f, 0.0'f],
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348 )
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349
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350 # create pipeline
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351 pipelineLayoutInfo = VkPipelineLayoutCreateInfo(
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352 sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
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353 setLayoutCount: 0,
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354 pSetLayouts: nil,
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355 pushConstantRangeCount: 0,
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356 pPushConstantRanges: nil,
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357 )
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358 checkVkResult device.vkCreatePipelineLayout(addr(pipelineLayoutInfo), nil, addr(result.layout))
2
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359
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360 var pipelineInfo = VkGraphicsPipelineCreateInfo(
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361 sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
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362 stageCount: 2,
4
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363 pStages: addr(result.shaderStages[0]),
2
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364 pVertexInputState: addr(vertexInputInfo),
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365 pInputAssemblyState: addr(inputAssembly),
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366 pViewportState: addr(viewportState),
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367 pRasterizationState: addr(rasterizer),
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368 pMultisampleState: addr(multisampling),
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369 pDepthStencilState: nil,
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370 pColorBlendState: addr(colorBlending),
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371 pDynamicState: addr(dynamicState),
4
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372 layout: result.layout,
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373 renderPass: renderPass,
2
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374 subpass: 0,
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375 basePipelineHandle: VkPipeline(0),
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376 basePipelineIndex: -1,
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377 )
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378 checkVkResult device.vkCreateGraphicsPipelines(
2
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379 VkPipelineCache(0),
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380 1,
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381 addr(pipelineInfo),
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382 nil,
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383 addr(result.pipeline)
2
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384 )
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385
4
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386 proc setupFramebuffers(device: VkDevice, swapchain: var Swapchain, renderPass: VkRenderPass, dimension: VkExtent2D): seq[VkFramebuffer] =
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387 result = newSeq[VkFramebuffer](swapchain.images.len)
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388 for i, imageview in enumerate(swapchain.imageviews):
2
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parents: 1
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389 var framebufferInfo = VkFramebufferCreateInfo(
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390 sType: VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
4
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391 renderPass: renderPass,
2
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392 attachmentCount: 1,
4
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393 pAttachments: addr(swapchain.imageviews[i]),
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394 width: dimension.width,
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395 height: dimension.height,
2
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parents: 1
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396 layers: 1,
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parents: 1
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397 )
4
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398 checkVkResult device.vkCreateFramebuffer(addr(framebufferInfo), nil, addr(result[i]))
2
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parents: 1
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399
5
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parents: 4
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400 proc trash(device: VkDevice, swapchain: Swapchain, framebuffers: seq[VkFramebuffer]) =
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parents: 4
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401 for framebuffer in framebuffers:
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402 device.vkDestroyFramebuffer(framebuffer, nil)
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403 for imageview in swapchain.imageviews:
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404 device.vkDestroyImageView(imageview, nil)
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parents: 4
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405 device.vkDestroySwapchainKHR(swapchain.swapchain, nil)
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parents: 4
diff changeset
406
4
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parents: 2
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407 proc recreateSwapchain(vulkan: Vulkan): (Swapchain, seq[VkFramebuffer]) =
5
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408 debug(&"Recreate swapchain with dimension {vulkan.frameDimension}")
4
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parents: 2
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409 checkVkResult vulkan.device.device.vkDeviceWaitIdle()
5
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parents: 4
diff changeset
410
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diff changeset
411 vulkan.device.device.trash(vulkan.swapchain, vulkan.framebuffers)
4
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parents: 2
diff changeset
412
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diff changeset
413 result[0] = vulkan.device.device.setupSwapChain(
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parents: 2
diff changeset
414 vulkan.device.physicalDevice,
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parents: 2
diff changeset
415 vulkan.surface,
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parents: 2
diff changeset
416 vulkan.frameDimension,
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parents: 2
diff changeset
417 vulkan.surfaceFormat
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parents: 2
diff changeset
418 )
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419 result[1] = vulkan.device.device.setupFramebuffers(
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parents: 2
diff changeset
420 result[0],
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parents: 2
diff changeset
421 vulkan.renderPass,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
422 vulkan.frameDimension
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parents: 2
diff changeset
423 )
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Sam <sam@basx.dev>
parents: 2
diff changeset
424
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425 # createFramebuffers();
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parents: 2
diff changeset
426
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Sam <sam@basx.dev>
parents: 2
diff changeset
427
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parents: 2
diff changeset
428 proc setupCommandBuffers(device: VkDevice, graphicsQueueFamily: uint32): (VkCommandPool, array[MAX_FRAMES_IN_FLIGHT, VkCommandBuffer]) =
2
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parents: 1
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429 # set up command buffer
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parents: 1
diff changeset
430 var poolInfo = VkCommandPoolCreateInfo(
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parents: 1
diff changeset
431 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
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parents: 1
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432 flags: VkCommandPoolCreateFlags(VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT),
4
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parents: 2
diff changeset
433 queueFamilyIndex: graphicsQueueFamily,
2
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parents: 1
diff changeset
434 )
4
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435 checkVkResult device.vkCreateCommandPool(addr(poolInfo), nil, addr(result[0]))
2
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parents: 1
diff changeset
436
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parents: 1
diff changeset
437 var allocInfo = VkCommandBufferAllocateInfo(
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parents: 1
diff changeset
438 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
4
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parents: 2
diff changeset
439 commandPool: result[0],
2
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parents: 1
diff changeset
440 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY,
4
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parents: 2
diff changeset
441 commandBufferCount: result[1].len.uint32,
2
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parents: 1
diff changeset
442 )
4
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parents: 2
diff changeset
443 checkVkResult device.vkAllocateCommandBuffers(addr(allocInfo), addr(result[1][0]))
2
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parents: 1
diff changeset
444
4
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parents: 2
diff changeset
445 proc setupSyncPrimitives(device: VkDevice): (
af9183acb173 did: refactor, add resizing, proper cleanup
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parents: 2
diff changeset
446 array[MAX_FRAMES_IN_FLIGHT, VkSemaphore],
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
447 array[MAX_FRAMES_IN_FLIGHT, VkSemaphore],
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
448 array[MAX_FRAMES_IN_FLIGHT, VkFence],
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
449 ) =
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
450 var semaphoreInfo = VkSemaphoreCreateInfo(sType: VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO)
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
451 var fenceInfo = VkFenceCreateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
452 sType: VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
453 flags: VkFenceCreateFlags(VK_FENCE_CREATE_SIGNALED_BIT)
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
454 )
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
455 for i in 0 ..< MAX_FRAMES_IN_FLIGHT:
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
456 checkVkResult device.vkCreateSemaphore(addr(semaphoreInfo), nil, addr(result[0][i]))
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
457 checkVkResult device.vkCreateSemaphore(addr(semaphoreInfo), nil, addr(result[1][i]))
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
458 checkVkResult device.vkCreateFence(addr(fenceInfo), nil, addr(result[2][i]))
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
459
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
460 proc igniteEngine*(): Engine =
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
461
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
462 result.window = createWindow("Hello triangle")
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
463
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
464 # setup vulkan functions
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
465 vkLoad1_0()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
466 vkLoad1_1()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
467 vkLoad1_2()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
468 checkGlslangResult glslang_initialize_process()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
469
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
470 # create vulkan instance
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
471 result.vulkan.instance = createVulkanInstance(VULKAN_VERSION)
8
1134f41a49e9 add: a few missing changes
Sam <sam@basx.dev>
parents: 5
diff changeset
472 when not defined(release):
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
473 result.vulkan.debugMessenger = result.vulkan.instance.setupDebugLog()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
474 result.vulkan.surface = result.vulkan.instance.createVulkanSurface(result.window)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
475 result.vulkan.device = result.vulkan.instance.setupVulkanDeviceAndQueues(result.vulkan.surface)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
476
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
477 # get basic frame information
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
478 result.vulkan.surfaceFormat = result.vulkan.device.physicalDevice.formats.getSuitableSurfaceFormat()
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
479 result.vulkan.frameDimension = result.window.getFrameDimension(result.vulkan.device.physicalDevice.device, result.vulkan.surface)
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
480
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
481 # setup swapchain and render pipeline
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
482 result.vulkan.swapchain = result.vulkan.device.device.setupSwapChain(
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
483 result.vulkan.device.physicalDevice,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
484 result.vulkan.surface,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
485 result.vulkan.frameDimension,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
486 result.vulkan.surfaceFormat
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
487 )
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
488 result.vulkan.renderPass = result.vulkan.device.device.setupRenderPass(result.vulkan.surfaceFormat.format)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
489 result.vulkan.pipeline = result.vulkan.device.device.setupRenderPipeline(result.vulkan.frameDimension, result.vulkan.renderPass)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
490 result.vulkan.framebuffers = result.vulkan.device.device.setupFramebuffers(
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
491 result.vulkan.swapchain,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
492 result.vulkan.renderPass,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
493 result.vulkan.frameDimension
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
494 )
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
495
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
496 (
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
497 result.vulkan.commandPool,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
498 result.vulkan.commandBuffers,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
499 ) = result.vulkan.device.device.setupCommandBuffers(result.vulkan.device.graphicsQueueFamily)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
500
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
501 (
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
502 result.vulkan.imageAvailableSemaphores,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
503 result.vulkan.renderFinishedSemaphores,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
504 result.vulkan.inFlightFences,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
505 ) = result.vulkan.device.device.setupSyncPrimitives()
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
506
0
5daf3f236d87 add: initial version
Sam <sam@basx.dev>
parents:
diff changeset
507
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
508 proc recordCommandBuffer(renderPass: VkRenderPass, pipeline: VkPipeline, commandBuffer: VkCommandBuffer, framebuffer: VkFramebuffer, frameDimension: VkExtent2D) =
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
509 var
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
510 beginInfo = VkCommandBufferBeginInfo(
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
511 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
512 pInheritanceInfo: nil,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
513 )
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
514 clearColor = VkClearValue(color: VkClearColorValue(float32: [0.2'f, 0.2'f, 0.2'f, 1.0'f]))
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
515 renderPassInfo = VkRenderPassBeginInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
516 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
517 renderPass: renderPass,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
518 framebuffer: framebuffer,
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
519 renderArea: VkRect2D(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
520 offset: VkOffset2D(x: 0, y: 0),
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
521 extent: frameDimension,
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
522 ),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
523 clearValueCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
524 pClearValues: addr(clearColor),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
525 )
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
526 viewport = VkViewport(
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
527 x: 0.0,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
528 y: 0.0,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
529 width: (float) frameDimension.width,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
530 height: (float) frameDimension.height,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
531 minDepth: 0.0,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
532 maxDepth: 1.0,
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
533 )
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
534 scissor = VkRect2D(
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
535 offset: VkOffset2D(x: 0, y: 0),
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
536 extent: frameDimension
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
537 )
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
538 checkVkResult commandBuffer.vkBeginCommandBuffer(addr(beginInfo))
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
539 commandBuffer.vkCmdBeginRenderPass(addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE)
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
540 commandBuffer.vkCmdBindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline)
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
541 commandBuffer.vkCmdSetViewport(firstViewport=0, viewportCount=1, addr(viewport))
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
542 commandBuffer.vkCmdSetScissor(firstScissor=0, scissorCount=1, addr(scissor))
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
543 commandBuffer.vkCmdDraw(vertexCount=3, instanceCount=1, firstVertex=0, firstInstance=0)
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
544 commandBuffer.vkCmdEndRenderPass()
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
545 checkVkResult commandBuffer.vkEndCommandBuffer()
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
546
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
547 proc drawFrame(window: NativeWindow, vulkan: var Vulkan, currentFrame: int, resized: bool) =
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
548 checkVkResult vulkan.device.device.vkWaitForFences(1, addr(vulkan.inFlightFences[currentFrame]), VK_TRUE, high(uint64))
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
549 var bufferImageIndex: uint32
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
550 let nextImageResult = vulkan.device.device.vkAcquireNextImageKHR(
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
551 vulkan.swapchain.swapchain,
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
552 high(uint64),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
553 vulkan.imageAvailableSemaphores[currentFrame],
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
554 VkFence(0),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
555 addr(bufferImageIndex)
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
556 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
557 if nextImageResult == VK_ERROR_OUT_OF_DATE_KHR:
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
558 vulkan.frameDimension = window.getFrameDimension(vulkan.device.physicalDevice.device, vulkan.surface)
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
559 (vulkan.swapchain, vulkan.framebuffers) = vulkan.recreateSwapchain()
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
560 elif not (nextImageResult in [VK_SUCCESS, VK_SUBOPTIMAL_KHR]):
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
561 raise newException(Exception, "Vulkan error: vkAcquireNextImageKHR returned " & $nextImageResult)
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
562 checkVkResult vulkan.device.device.vkResetFences(1, addr(vulkan.inFlightFences[currentFrame]))
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
563
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
564 checkVkResult vulkan.commandBuffers[currentFrame].vkResetCommandBuffer(VkCommandBufferResetFlags(0))
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
565 vulkan.renderPass.recordCommandBuffer(vulkan.pipeline.pipeline, vulkan.commandBuffers[currentFrame], vulkan.framebuffers[bufferImageIndex], vulkan.frameDimension)
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
566 var
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
567 waitSemaphores = [vulkan.imageAvailableSemaphores[currentFrame]]
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
568 waitStages = [VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT)]
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
569 signalSemaphores = [vulkan.renderFinishedSemaphores[currentFrame]]
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
570 submitInfo = VkSubmitInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
571 sType: VK_STRUCTURE_TYPE_SUBMIT_INFO,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
572 waitSemaphoreCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
573 pWaitSemaphores: addr(waitSemaphores[0]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
574 pWaitDstStageMask: addr(waitStages[0]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
575 commandBufferCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
576 pCommandBuffers: addr(vulkan.commandBuffers[currentFrame]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
577 signalSemaphoreCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
578 pSignalSemaphores: addr(signalSemaphores[0]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
579 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
580 checkVkResult vkQueueSubmit(vulkan.device.graphicsQueue, 1, addr(submitInfo), vulkan.inFlightFences[currentFrame])
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
581
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
582 var presentInfo = VkPresentInfoKHR(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
583 sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
584 waitSemaphoreCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
585 pWaitSemaphores: addr(signalSemaphores[0]),
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Sam <sam@basx.dev>
parents: 1
diff changeset
586 swapchainCount: 1,
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
587 pSwapchains: addr(vulkan.swapchain.swapchain),
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
588 pImageIndices: addr(bufferImageIndex),
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Sam <sam@basx.dev>
parents: 1
diff changeset
589 pResults: nil,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
590 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
591 let presentResult = vkQueuePresentKHR(vulkan.device.presentationQueue, addr(presentInfo))
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
592
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
593 if presentResult == VK_ERROR_OUT_OF_DATE_KHR or presentResult == VK_SUBOPTIMAL_KHR or resized:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
594 vulkan.frameDimension = window.getFrameDimension(vulkan.device.physicalDevice.device, vulkan.surface)
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
595 (vulkan.swapchain, vulkan.framebuffers) = vulkan.recreateSwapchain()
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
596
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
597
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
598 proc fullThrottle*(engine: var Engine) =
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
599 var
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
600 killed = false
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
601 currentFrame = 0
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
602 resized = false
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
603
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
604 while not killed:
5
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Sam <sam@basx.dev>
parents: 4
diff changeset
605 for event in engine.window.pendingEvents():
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
606 case event.eventType:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
607 of Quit:
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
608 killed = true
5
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Sam <sam@basx.dev>
parents: 4
diff changeset
609 of ResizedWindow:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
610 resized = true
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
611 of KeyDown:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
612 echo event
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
613 if event.key == Escape:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
614 killed = true
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
615 else:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
616 discard
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
617 engine.window.drawFrame(engine.vulkan, currentFrame, resized)
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Sam <sam@basx.dev>
parents: 4
diff changeset
618 resized = false
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
619 currentFrame = (currentFrame + 1) mod MAX_FRAMES_IN_FLIGHT;
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
620 checkVkResult engine.vulkan.device.device.vkDeviceWaitIdle()
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
621
5
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Sam <sam@basx.dev>
parents: 4
diff changeset
622 proc trash*(engine: Engine) =
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
623 engine.vulkan.device.device.trash(engine.vulkan.swapchain, engine.vulkan.framebuffers)
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
624 checkVkResult engine.vulkan.device.device.vkDeviceWaitIdle()
0
5daf3f236d87 add: initial version
Sam <sam@basx.dev>
parents:
diff changeset
625
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
626 for i in 0 ..< MAX_FRAMES_IN_FLIGHT:
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
627 engine.vulkan.device.device.vkDestroySemaphore(engine.vulkan.imageAvailableSemaphores[i], nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
628 engine.vulkan.device.device.vkDestroySemaphore(engine.vulkan.renderFinishedSemaphores[i], nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
629 engine.vulkan.device.device.vkDestroyFence(engine.vulkan.inFlightFences[i], nil)
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
630
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
631 engine.vulkan.device.device.vkDestroyCommandPool(engine.vulkan.commandPool, nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
632 engine.vulkan.device.device.vkDestroyPipeline(engine.vulkan.pipeline.pipeline, nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
633 engine.vulkan.device.device.vkDestroyPipelineLayout(engine.vulkan.pipeline.layout, nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
634 engine.vulkan.device.device.vkDestroyRenderPass(engine.vulkan.renderPass, nil)
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
635
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
636 for shaderStage in engine.vulkan.pipeline.shaderStages:
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
637 engine.vulkan.device.device.vkDestroyShaderModule(shaderStage.module, nil)
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
638
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
639 engine.vulkan.instance.vkDestroySurfaceKHR(engine.vulkan.surface, nil)
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
640 engine.vulkan.device.device.vkDestroyDevice(nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
641 when ENABLEVULKANVALIDATIONLAYERS:
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
642 engine.vulkan.instance.vkDestroyDebugUtilsMessengerEXT(engine.vulkan.debugMessenger, nil)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
643 glslang_finalize_process()
9
227e53d1a853 fix: segfault on shutdown
Sam <sam@basx.dev>
parents: 8
diff changeset
644 engine.window.trash()
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
645 engine.vulkan.instance.vkDestroyInstance(nil)