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annotate src/engine.nim @ 10:0660ba9d1930

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did: make it work on windows
author sam <sam@basx.dev>
date Sat, 24 Dec 2022 22:32:46 +0700
parents 1134f41a49e9
children 3415afff1d1a
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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
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14 const MAX_FRAMES_IN_FLIGHT = 2
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15 const DEBUG_LOG = not defined(release)
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16
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17 var logger = newConsoleLogger()
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18 addHandler(logger)
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19
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20
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21 var vertexShaderCode: string = """#version 450
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22 layout(location = 0) out vec3 fragColor;
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23 vec3 colors[3] = vec3[](
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24 vec3(1.0, 0.0, 0.0),
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25 vec3(0.0, 1.0, 0.0),
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26 vec3(0.0, 0.0, 1.0)
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27 );
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28 vec2 positions[3] = vec2[](
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29 vec2(0.0, -0.5),
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30 vec2(0.5, 0.5),
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31 vec2(-0.5, 0.5)
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32 );
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33 void main() {
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34 gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
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35 fragColor = colors[gl_VertexIndex];
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36 }"""
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37
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38 var fragmentShaderCode: string = """#version 450
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39 layout(location = 0) out vec4 outColor;
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40 layout(location = 0) in vec3 fragColor;
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41 void main() {
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42 outColor = vec4(fragColor, 1.0);
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43 }"""
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44
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45 const VULKAN_VERSION = VK_MAKE_API_VERSION(0'u32, 1'u32, 2'u32, 0'u32)
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46
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47 type
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48 Device = object
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49 physicalDevice: PhysicalDevice
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50 graphicsQueueFamily: uint32
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51 presentationQueueFamily: uint32
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52 device: VkDevice
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53 graphicsQueue: VkQueue
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54 presentationQueue: VkQueue
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55 Swapchain = object
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56 swapchain: VkSwapchainKHR
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57 images: seq[VkImage]
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58 imageviews: seq[VkImageView]
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59 RenderPipeline = object
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60 shaderStages*: seq[VkPipelineShaderStageCreateInfo]
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61 layout*: VkPipelineLayout
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62 pipeline*: VkPipeline
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63 QueueFamily = object
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64 properties*: VkQueueFamilyProperties
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65 hasSurfaceSupport*: bool
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66 PhysicalDevice = object
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67 device*: VkPhysicalDevice
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68 extensions*: seq[string]
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69 properties*: VkPhysicalDeviceProperties
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70 features*: VkPhysicalDeviceFeatures
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71 queueFamilies*: seq[QueueFamily]
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72 formats: seq[VkSurfaceFormatKHR]
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73 presentModes: seq[VkPresentModeKHR]
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74 Vulkan* = object
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75 debugMessenger: VkDebugUtilsMessengerEXT
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76 instance*: VkInstance
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77 deviceList*: seq[PhysicalDevice]
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78 device*: Device
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79 surface*: VkSurfaceKHR
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80 surfaceFormat: VkSurfaceFormatKHR
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81 frameDimension: VkExtent2D
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82 swapchain: Swapchain
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83 framebuffers: seq[VkFramebuffer]
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84 renderPass*: VkRenderPass
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85 pipeline*: RenderPipeline
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86 commandPool*: VkCommandPool
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87 commandBuffers*: array[MAX_FRAMES_IN_FLIGHT, VkCommandBuffer]
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88 imageAvailableSemaphores*: array[MAX_FRAMES_IN_FLIGHT, VkSemaphore]
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89 renderFinishedSemaphores*: array[MAX_FRAMES_IN_FLIGHT, VkSemaphore]
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90 inFlightFences*: array[MAX_FRAMES_IN_FLIGHT, VkFence]
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91 Engine* = object
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92 vulkan*: Vulkan
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93 window: NativeWindow
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94
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95 proc getAllPhysicalDevices(instance: VkInstance, surface: VkSurfaceKHR): seq[PhysicalDevice] =
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96 for vulkanPhysicalDevice in getVulkanPhysicalDevices(instance):
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97 var device = PhysicalDevice(device: vulkanPhysicalDevice, extensions: getDeviceExtensions(vulkanPhysicalDevice))
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98 vkGetPhysicalDeviceProperties(vulkanPhysicalDevice, addr(device.properties))
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99 vkGetPhysicalDeviceFeatures(vulkanPhysicalDevice, addr(device.features))
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100 device.formats = vulkanPhysicalDevice.getDeviceSurfaceFormats(surface)
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101 device.presentModes = vulkanPhysicalDevice.getDeviceSurfacePresentModes(surface)
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102
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103 debug(&"Physical device nr {int(vulkanPhysicalDevice)} {cleanString(device.properties.deviceName)}")
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104 for i, queueFamilyProperty in enumerate(getQueueFamilies(vulkanPhysicalDevice)):
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105 var hasSurfaceSupport: VkBool32 = VK_FALSE
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106 checkVkResult vkGetPhysicalDeviceSurfaceSupportKHR(vulkanPhysicalDevice, uint32(i), surface, addr(hasSurfaceSupport))
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107 device.queueFamilies.add(QueueFamily(properties: queueFamilyProperty, hasSurfaceSupport: bool(hasSurfaceSupport)))
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108 debug(&" Queue family {i} {queueFamilyProperty}")
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109
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110 result.add(device)
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111
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112 proc filterForDevice(devices: seq[PhysicalDevice]): seq[(PhysicalDevice, uint32, uint32)] =
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113 for device in devices:
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114 if not (device.formats.len > 0 and device.presentModes.len > 0 and "VK_KHR_swapchain" in device.extensions):
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115 continue
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116 var graphicsQueueFamily = high(uint32)
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117 var presentationQueueFamily = high(uint32)
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118 for i, queueFamily in enumerate(device.queueFamilies):
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119 if queueFamily.hasSurfaceSupport:
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120 presentationQueueFamily = uint32(i)
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121 if bool(uint32(queueFamily.properties.queueFlags) and ord(VK_QUEUE_GRAPHICS_BIT)):
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122 graphicsQueueFamily = uint32(i)
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123 if graphicsQueueFamily != high(uint32) and presentationQueueFamily != high(uint32):
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124 result.add((device, graphicsQueueFamily, presentationQueueFamily))
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125
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126 for (device, graphicsQueueFamily, presentationQueueFamily) in result:
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127 debug(&"Viable device: {cleanString(device.properties.deviceName)} (graphics queue family {graphicsQueueFamily}, presentation queue family {presentationQueueFamily})")
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128
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129
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130 proc getFrameDimension(window: NativeWindow, device: VkPhysicalDevice, surface: VkSurfaceKHR): VkExtent2D =
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131 let capabilities = device.getSurfaceCapabilities(surface)
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132 if capabilities.currentExtent.width != high(uint32):
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133 return capabilities.currentExtent
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134 else:
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135 let (width, height) = window.size()
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136 return VkExtent2D(
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137 width: min(max(uint32(width), capabilities.minImageExtent.width), capabilities.maxImageExtent.width),
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138 height: min(max(uint32(height), capabilities.minImageExtent.height), capabilities.maxImageExtent.height),
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139 )
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140
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141 when DEBUG_LOG:
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142 proc setupDebugLog(instance: VkInstance): VkDebugUtilsMessengerEXT =
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143 var createInfo = VkDebugUtilsMessengerCreateInfoEXT(
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144 sType: VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
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145 messageSeverity: VkDebugUtilsMessageSeverityFlagsEXT(
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146 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT) or
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147 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT) or
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148 ord(VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT)
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149 ),
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150 messageType: VkDebugUtilsMessageTypeFlagsEXT(
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151 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT) or
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152 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT) or
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153 ord(VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT)
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154 ),
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155 pfnUserCallback: debugCallback,
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156 pUserData: nil,
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157 )
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158 checkVkResult instance.vkCreateDebugUtilsMessengerEXT(addr(createInfo), nil, addr(result))
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159
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160 proc setupVulkanDeviceAndQueues(instance: VkInstance, surface: VkSurfaceKHR): Device =
2
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161 let usableDevices = instance.getAllPhysicalDevices(surface).filterForDevice()
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162 if len(usableDevices) == 0:
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163 raise newException(Exception, "No suitable graphics device found")
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164 result.physicalDevice = usableDevices[0][0]
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165 result.graphicsQueueFamily = usableDevices[0][1]
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166 result.presentationQueueFamily = usableDevices[0][2]
2
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167
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168 debug(&"Chose device {cleanString(result.physicalDevice.properties.deviceName)}")
2
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169
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170 (result.device, result.graphicsQueue, result.presentationQueue) = getVulcanDevice(
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171 result.physicalDevice.device,
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172 result.physicalDevice.features,
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173 result.graphicsQueueFamily,
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174 result.presentationQueueFamily,
2
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diff changeset
175 )
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176
4
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177 proc setupSwapChain(device: VkDevice, physicalDevice: PhysicalDevice, surface: VkSurfaceKHR, dimension: VkExtent2D, surfaceFormat: VkSurfaceFormatKHR): Swapchain =
5
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178
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179 let capabilities = physicalDevice.device.getSurfaceCapabilities(surface)
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180 var selectedPresentationMode = getPresentMode(physicalDevice.presentModes)
0
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181 # setup swapchain
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182 var swapchainCreateInfo = VkSwapchainCreateInfoKHR(
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183 sType: VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
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184 surface: surface,
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185 minImageCount: max(capabilities.minImageCount + 1, capabilities.maxImageCount),
4
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186 imageFormat: surfaceFormat.format,
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187 imageColorSpace: surfaceFormat.colorSpace,
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188 imageExtent: dimension,
0
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189 imageArrayLayers: 1,
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190 imageUsage: VkImageUsageFlags(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT),
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191 # VK_SHARING_MODE_CONCURRENT no supported (i.e cannot use different queue families for drawing to swap surface?)
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192 imageSharingMode: VK_SHARING_MODE_EXCLUSIVE,
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193 preTransform: capabilities.currentTransform,
0
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194 compositeAlpha: VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
4
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195 presentMode: selectedPresentationMode,
1
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196 clipped: VK_TRUE,
0
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197 oldSwapchain: VkSwapchainKHR(0),
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198 )
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199 checkVkResult device.vkCreateSwapchainKHR(addr(swapchainCreateInfo), nil, addr(result.swapchain))
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200 result.images = device.getSwapChainImages(result.swapchain)
0
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201
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202 # setup swapchian image views
4
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203
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204 result.imageviews = newSeq[VkImageView](result.images.len)
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205 for i, image in enumerate(result.images):
0
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206 var imageViewCreateInfo = VkImageViewCreateInfo(
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207 sType: VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
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208 image: image,
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209 viewType: VK_IMAGE_VIEW_TYPE_2D,
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210 format: surfaceFormat.format,
0
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211 components: VkComponentMapping(
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212 r: VK_COMPONENT_SWIZZLE_IDENTITY,
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213 g: VK_COMPONENT_SWIZZLE_IDENTITY,
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214 b: VK_COMPONENT_SWIZZLE_IDENTITY,
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215 a: VK_COMPONENT_SWIZZLE_IDENTITY,
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216 ),
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217 subresourceRange: VkImageSubresourceRange(
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218 aspectMask: VkImageAspectFlags(VK_IMAGE_ASPECT_COLOR_BIT),
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219 baseMipLevel: 0,
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220 levelCount: 1,
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221 baseArrayLayer: 0,
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222 layerCount: 1,
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223 ),
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224 )
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225 checkVkResult device.vkCreateImageView(addr(imageViewCreateInfo), nil, addr(result.imageviews[i]))
1
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226
4
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227 proc setupRenderPass(device: VkDevice, format: VkFormat): VkRenderPass =
2
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228 var
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229 colorAttachment = VkAttachmentDescription(
4
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230 format: format,
2
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231 samples: VK_SAMPLE_COUNT_1_BIT,
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232 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR,
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233 storeOp: VK_ATTACHMENT_STORE_OP_STORE,
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234 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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parents: 1
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235 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE,
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parents: 1
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236 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED,
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237 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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parents: 1
diff changeset
238 )
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239 colorAttachmentRef = VkAttachmentReference(
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240 attachment: 0,
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parents: 1
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241 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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parents: 1
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242 )
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243 subpass = VkSubpassDescription(
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244 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS,
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245 colorAttachmentCount: 1,
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246 pColorAttachments: addr(colorAttachmentRef)
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parents: 1
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247 )
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248 dependency = VkSubpassDependency(
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249 srcSubpass: VK_SUBPASS_EXTERNAL,
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250 dstSubpass: 0,
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251 srcStageMask: VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT),
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252 srcAccessMask: VkAccessFlags(0),
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253 dstStageMask: VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT),
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254 dstAccessMask: VkAccessFlags(VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT),
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parents: 1
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255 )
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diff changeset
256 renderPassCreateInfo = VkRenderPassCreateInfo(
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257 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
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parents: 1
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258 attachmentCount: 1,
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parents: 1
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259 pAttachments: addr(colorAttachment),
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parents: 1
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260 subpassCount: 1,
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parents: 1
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261 pSubpasses: addr(subpass),
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parents: 1
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262 dependencyCount: 1,
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parents: 1
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263 pDependencies: addr(dependency),
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parents: 1
diff changeset
264 )
4
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265 checkVkResult device.vkCreateRenderPass(addr(renderPassCreateInfo), nil, addr(result))
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parents: 2
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266
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267 proc setupRenderPipeline(device: VkDevice, frameDimension: VkExtent2D, renderPass: VkRenderPass): RenderPipeline =
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268 # (seq[VkPipelineShaderStageCreateInfo], VkViewport, VkRect2D, VkPipelineLayout, VkPipeline) =
1
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parents: 0
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269
4
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270 # load shaders
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271 result.shaderStages.add(device.createShaderStage(VK_SHADER_STAGE_VERTEX_BIT, vertexShaderCode))
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parents: 2
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272 result.shaderStages.add(device.createShaderStage(VK_SHADER_STAGE_FRAGMENT_BIT, fragmentShaderCode))
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273
2
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parents: 1
diff changeset
274 var
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parents: 1
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275 # define which parts can be dynamic (pipeline is fixed after setup)
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276 dynamicStates = [VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR]
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277 dynamicState = VkPipelineDynamicStateCreateInfo(
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278 sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
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parents: 1
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279 dynamicStateCount: uint32(dynamicStates.len),
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parents: 1
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280 pDynamicStates: addr(dynamicStates[0]),
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parents: 1
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281 )
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diff changeset
282 # define input data format
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283 vertexInputInfo = VkPipelineVertexInputStateCreateInfo(
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284 sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
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parents: 1
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285 vertexBindingDescriptionCount: 0,
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parents: 1
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286 pVertexBindingDescriptions: nil,
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parents: 1
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287 vertexAttributeDescriptionCount: 0,
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parents: 1
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288 pVertexAttributeDescriptions: nil,
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parents: 1
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289 )
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parents: 1
diff changeset
290 inputAssembly = VkPipelineInputAssemblyStateCreateInfo(
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parents: 1
diff changeset
291 sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
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parents: 1
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292 topology: VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
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parents: 1
diff changeset
293 primitiveRestartEnable: VK_FALSE,
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parents: 1
diff changeset
294 )
1
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parents: 0
diff changeset
295
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parents: 0
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296 # setup viewport
2
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297 var viewportState = VkPipelineViewportStateCreateInfo(
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298 sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
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parents: 1
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299 viewportCount: 1,
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parents: 1
diff changeset
300 scissorCount: 1,
1
bb2a7d3a7003 add: more steps in setup
Sam <sam@basx.dev>
parents: 0
diff changeset
301 )
0
5daf3f236d87 add: initial version
Sam <sam@basx.dev>
parents:
diff changeset
302
2
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parents: 1
diff changeset
303 # rasterizerization config
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parents: 1
diff changeset
304 var
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parents: 1
diff changeset
305 rasterizer = VkPipelineRasterizationStateCreateInfo(
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parents: 1
diff changeset
306 sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
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parents: 1
diff changeset
307 depthClampEnable: VK_FALSE,
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Sam <sam@basx.dev>
parents: 1
diff changeset
308 rasterizerDiscardEnable: VK_FALSE,
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parents: 1
diff changeset
309 polygonMode: VK_POLYGON_MODE_FILL,
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parents: 1
diff changeset
310 lineWidth: 1.0,
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parents: 1
diff changeset
311 cullMode: VkCullModeFlags(VK_CULL_MODE_BACK_BIT),
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parents: 1
diff changeset
312 frontFace: VK_FRONT_FACE_CLOCKWISE,
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Sam <sam@basx.dev>
parents: 1
diff changeset
313 depthBiasEnable: VK_FALSE,
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parents: 1
diff changeset
314 depthBiasConstantFactor: 0.0,
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Sam <sam@basx.dev>
parents: 1
diff changeset
315 depthBiasClamp: 0.0,
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Sam <sam@basx.dev>
parents: 1
diff changeset
316 depthBiasSlopeFactor: 0.0,
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Sam <sam@basx.dev>
parents: 1
diff changeset
317 )
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parents: 1
diff changeset
318 multisampling = VkPipelineMultisampleStateCreateInfo(
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parents: 1
diff changeset
319 sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
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parents: 1
diff changeset
320 sampleShadingEnable: VK_FALSE,
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Sam <sam@basx.dev>
parents: 1
diff changeset
321 rasterizationSamples: VK_SAMPLE_COUNT_1_BIT,
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Sam <sam@basx.dev>
parents: 1
diff changeset
322 minSampleShading: 1.0,
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Sam <sam@basx.dev>
parents: 1
diff changeset
323 pSampleMask: nil,
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Sam <sam@basx.dev>
parents: 1
diff changeset
324 alphaToCoverageEnable: VK_FALSE,
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Sam <sam@basx.dev>
parents: 1
diff changeset
325 alphaToOneEnable: VK_FALSE,
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parents: 1
diff changeset
326 )
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parents: 1
diff changeset
327 colorBlendAttachment = VkPipelineColorBlendAttachmentState(
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parents: 1
diff changeset
328 colorWriteMask: VkColorComponentFlags(
213fdf8d31dd did: hello world triangle, a bit of code organization
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parents: 1
diff changeset
329 ord(VK_COLOR_COMPONENT_R_BIT) or
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Sam <sam@basx.dev>
parents: 1
diff changeset
330 ord(VK_COLOR_COMPONENT_G_BIT) or
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Sam <sam@basx.dev>
parents: 1
diff changeset
331 ord(VK_COLOR_COMPONENT_B_BIT) or
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Sam <sam@basx.dev>
parents: 1
diff changeset
332 ord(VK_COLOR_COMPONENT_A_BIT)
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Sam <sam@basx.dev>
parents: 1
diff changeset
333 ),
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Sam <sam@basx.dev>
parents: 1
diff changeset
334 blendEnable: VK_TRUE,
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parents: 1
diff changeset
335 srcColorBlendFactor: VK_BLEND_FACTOR_SRC_ALPHA,
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parents: 1
diff changeset
336 dstColorBlendFactor: VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
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parents: 1
diff changeset
337 colorBlendOp: VK_BLEND_OP_ADD,
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Sam <sam@basx.dev>
parents: 1
diff changeset
338 srcAlphaBlendFactor: VK_BLEND_FACTOR_ONE,
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parents: 1
diff changeset
339 dstAlphaBlendFactor: VK_BLEND_FACTOR_ZERO,
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parents: 1
diff changeset
340 alphaBlendOp: VK_BLEND_OP_ADD,
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Sam <sam@basx.dev>
parents: 1
diff changeset
341 )
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Sam <sam@basx.dev>
parents: 1
diff changeset
342 colorBlending = VkPipelineColorBlendStateCreateInfo(
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parents: 1
diff changeset
343 sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
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parents: 1
diff changeset
344 logicOpEnable: VK_TRUE,
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parents: 1
diff changeset
345 logicOp: VK_LOGIC_OP_COPY,
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parents: 1
diff changeset
346 attachmentCount: 1,
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parents: 1
diff changeset
347 pAttachments: addr(colorBlendAttachment),
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parents: 1
diff changeset
348 blendConstants: [0.0'f, 0.0'f, 0.0'f, 0.0'f],
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parents: 1
diff changeset
349 )
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parents: 1
diff changeset
350
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parents: 1
diff changeset
351 # create pipeline
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parents: 1
diff changeset
352 pipelineLayoutInfo = VkPipelineLayoutCreateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
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parents: 1
diff changeset
353 sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
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parents: 1
diff changeset
354 setLayoutCount: 0,
213fdf8d31dd did: hello world triangle, a bit of code organization
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parents: 1
diff changeset
355 pSetLayouts: nil,
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parents: 1
diff changeset
356 pushConstantRangeCount: 0,
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parents: 1
diff changeset
357 pPushConstantRanges: nil,
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parents: 1
diff changeset
358 )
4
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parents: 2
diff changeset
359 checkVkResult device.vkCreatePipelineLayout(addr(pipelineLayoutInfo), nil, addr(result.layout))
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
360
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
361 var pipelineInfo = VkGraphicsPipelineCreateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
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parents: 1
diff changeset
362 sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
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Sam <sam@basx.dev>
parents: 1
diff changeset
363 stageCount: 2,
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
364 pStages: addr(result.shaderStages[0]),
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
365 pVertexInputState: addr(vertexInputInfo),
213fdf8d31dd did: hello world triangle, a bit of code organization
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parents: 1
diff changeset
366 pInputAssemblyState: addr(inputAssembly),
213fdf8d31dd did: hello world triangle, a bit of code organization
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parents: 1
diff changeset
367 pViewportState: addr(viewportState),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
368 pRasterizationState: addr(rasterizer),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
369 pMultisampleState: addr(multisampling),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
370 pDepthStencilState: nil,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
371 pColorBlendState: addr(colorBlending),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
372 pDynamicState: addr(dynamicState),
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
373 layout: result.layout,
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Sam <sam@basx.dev>
parents: 2
diff changeset
374 renderPass: renderPass,
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
375 subpass: 0,
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Sam <sam@basx.dev>
parents: 1
diff changeset
376 basePipelineHandle: VkPipeline(0),
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parents: 1
diff changeset
377 basePipelineIndex: -1,
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Sam <sam@basx.dev>
parents: 1
diff changeset
378 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
379 checkVkResult device.vkCreateGraphicsPipelines(
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
380 VkPipelineCache(0),
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Sam <sam@basx.dev>
parents: 1
diff changeset
381 1,
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parents: 1
diff changeset
382 addr(pipelineInfo),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
383 nil,
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
384 addr(result.pipeline)
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
385 )
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
386
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
387 proc setupFramebuffers(device: VkDevice, swapchain: var Swapchain, renderPass: VkRenderPass, dimension: VkExtent2D): seq[VkFramebuffer] =
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
388 result = newSeq[VkFramebuffer](swapchain.images.len)
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
389 for i, imageview in enumerate(swapchain.imageviews):
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
390 var framebufferInfo = VkFramebufferCreateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
391 sType: VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
392 renderPass: renderPass,
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
393 attachmentCount: 1,
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
394 pAttachments: addr(swapchain.imageviews[i]),
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
395 width: dimension.width,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
396 height: dimension.height,
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
397 layers: 1,
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Sam <sam@basx.dev>
parents: 1
diff changeset
398 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
399 checkVkResult device.vkCreateFramebuffer(addr(framebufferInfo), nil, addr(result[i]))
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
400
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
401 proc trash(device: VkDevice, swapchain: Swapchain, framebuffers: seq[VkFramebuffer]) =
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
402 for framebuffer in framebuffers:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
403 device.vkDestroyFramebuffer(framebuffer, nil)
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
404 for imageview in swapchain.imageviews:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
405 device.vkDestroyImageView(imageview, nil)
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
406 device.vkDestroySwapchainKHR(swapchain.swapchain, nil)
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
407
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
408 proc recreateSwapchain(vulkan: Vulkan): (Swapchain, seq[VkFramebuffer]) =
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
409 debug(&"Recreate swapchain with dimension {vulkan.frameDimension}")
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
410 checkVkResult vulkan.device.device.vkDeviceWaitIdle()
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
411
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
412 vulkan.device.device.trash(vulkan.swapchain, vulkan.framebuffers)
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
413
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
414 result[0] = vulkan.device.device.setupSwapChain(
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
415 vulkan.device.physicalDevice,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
416 vulkan.surface,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
417 vulkan.frameDimension,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
418 vulkan.surfaceFormat
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
419 )
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
420 result[1] = vulkan.device.device.setupFramebuffers(
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
421 result[0],
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
422 vulkan.renderPass,
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
423 vulkan.frameDimension
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
424 )
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
425
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
426
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
427 proc setupCommandBuffers(device: VkDevice, graphicsQueueFamily: uint32): (VkCommandPool, array[MAX_FRAMES_IN_FLIGHT, VkCommandBuffer]) =
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
428 # set up command buffer
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
429 var poolInfo = VkCommandPoolCreateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
430 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
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Sam <sam@basx.dev>
parents: 1
diff changeset
431 flags: VkCommandPoolCreateFlags(VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT),
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
432 queueFamilyIndex: graphicsQueueFamily,
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
433 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
434 checkVkResult device.vkCreateCommandPool(addr(poolInfo), nil, addr(result[0]))
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
435
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
436 var allocInfo = VkCommandBufferAllocateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
437 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
438 commandPool: result[0],
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
439 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY,
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
440 commandBufferCount: result[1].len.uint32,
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
441 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
442 checkVkResult device.vkAllocateCommandBuffers(addr(allocInfo), addr(result[1][0]))
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
443
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
444 proc setupSyncPrimitives(device: VkDevice): (
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
445 array[MAX_FRAMES_IN_FLIGHT, VkSemaphore],
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
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, VkFence],
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
448 ) =
2
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
449 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
450 var fenceInfo = VkFenceCreateInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
451 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
452 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
453 )
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
454 for i in 0 ..< MAX_FRAMES_IN_FLIGHT:
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
455 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
456 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
457 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
458
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
459 proc igniteEngine*(): Engine =
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
460
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
461 result.window = createWindow("Hello triangle")
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
462
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
463 # setup vulkan functions
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
464 vkLoad1_0()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
465 vkLoad1_1()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
466 vkLoad1_2()
10
0660ba9d1930 did: make it work on windows
sam <sam@basx.dev>
parents: 8
diff changeset
467
4
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)
10
0660ba9d1930 did: make it work on windows
sam <sam@basx.dev>
parents: 8
diff changeset
472 when DEBUG_LOG:
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()
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
560 return
5
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
561 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
562 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
563 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
564
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
565 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
566 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
567 var
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
568 waitSemaphores = [vulkan.imageAvailableSemaphores[currentFrame]]
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
569 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
570 signalSemaphores = [vulkan.renderFinishedSemaphores[currentFrame]]
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
571 submitInfo = VkSubmitInfo(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
572 sType: VK_STRUCTURE_TYPE_SUBMIT_INFO,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
573 waitSemaphoreCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
574 pWaitSemaphores: addr(waitSemaphores[0]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
575 pWaitDstStageMask: addr(waitStages[0]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
576 commandBufferCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
577 pCommandBuffers: addr(vulkan.commandBuffers[currentFrame]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
578 signalSemaphoreCount: 1,
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
579 pSignalSemaphores: addr(signalSemaphores[0]),
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
580 )
4
af9183acb173 did: refactor, add resizing, proper cleanup
Sam <sam@basx.dev>
parents: 2
diff changeset
581 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
582
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
583 var presentInfo = VkPresentInfoKHR(
213fdf8d31dd did: hello world triangle, a bit of code organization
Sam <sam@basx.dev>
parents: 1
diff changeset
584 sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
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parents: 1
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585 waitSemaphoreCount: 1,
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parents: 1
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586 pWaitSemaphores: addr(signalSemaphores[0]),
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parents: 1
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587 swapchainCount: 1,
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588 pSwapchains: addr(vulkan.swapchain.swapchain),
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parents: 1
diff changeset
589 pImageIndices: addr(bufferImageIndex),
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parents: 1
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590 pResults: nil,
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parents: 1
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591 )
4
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592 let presentResult = vkQueuePresentKHR(vulkan.device.presentationQueue, addr(presentInfo))
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parents: 2
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593
5
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594 if presentResult == VK_ERROR_OUT_OF_DATE_KHR or presentResult == VK_SUBOPTIMAL_KHR or resized:
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Sam <sam@basx.dev>
parents: 4
diff changeset
595 vulkan.frameDimension = window.getFrameDimension(vulkan.device.physicalDevice.device, vulkan.surface)
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Sam <sam@basx.dev>
parents: 2
diff changeset
596 (vulkan.swapchain, vulkan.framebuffers) = vulkan.recreateSwapchain()
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
597
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Sam <sam@basx.dev>
parents: 1
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598
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parents: 1
diff changeset
599 proc fullThrottle*(engine: var Engine) =
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Sam <sam@basx.dev>
parents: 1
diff changeset
600 var
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parents: 1
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601 killed = false
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602 currentFrame = 0
5
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603 resized = false
2
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parents: 1
diff changeset
604
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Sam <sam@basx.dev>
parents: 1
diff changeset
605 while not killed:
5
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parents: 4
diff changeset
606 for event in engine.window.pendingEvents():
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Sam <sam@basx.dev>
parents: 4
diff changeset
607 case event.eventType:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
diff changeset
608 of Quit:
2
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diff changeset
609 killed = true
5
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parents: 4
diff changeset
610 of ResizedWindow:
4ed9cb098315 add: structure code for crossplatform, add some input handling + bugfixes
Sam <sam@basx.dev>
parents: 4
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611 resized = true
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Sam <sam@basx.dev>
parents: 4
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612 of KeyDown:
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Sam <sam@basx.dev>
parents: 4
diff changeset
613 echo event
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Sam <sam@basx.dev>
parents: 4
diff changeset
614 if event.key == Escape:
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Sam <sam@basx.dev>
parents: 4
diff changeset
615 killed = true
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Sam <sam@basx.dev>
parents: 4
diff changeset
616 else:
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Sam <sam@basx.dev>
parents: 4
diff changeset
617 discard
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parents: 4
diff changeset
618 engine.window.drawFrame(engine.vulkan, currentFrame, resized)
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parents: 4
diff changeset
619 resized = false
2
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diff changeset
620 currentFrame = (currentFrame + 1) mod MAX_FRAMES_IN_FLIGHT;
4
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parents: 2
diff changeset
621 checkVkResult engine.vulkan.device.device.vkDeviceWaitIdle()
2
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622
5
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parents: 4
diff changeset
623 proc trash*(engine: Engine) =
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parents: 4
diff changeset
624 engine.vulkan.device.device.trash(engine.vulkan.swapchain, engine.vulkan.framebuffers)
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Sam <sam@basx.dev>
parents: 4
diff changeset
625 checkVkResult engine.vulkan.device.device.vkDeviceWaitIdle()
0
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Sam <sam@basx.dev>
parents:
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626
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
627 for i in 0 ..< MAX_FRAMES_IN_FLIGHT:
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Sam <sam@basx.dev>
parents: 2
diff changeset
628 engine.vulkan.device.device.vkDestroySemaphore(engine.vulkan.imageAvailableSemaphores[i], nil)
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Sam <sam@basx.dev>
parents: 2
diff changeset
629 engine.vulkan.device.device.vkDestroySemaphore(engine.vulkan.renderFinishedSemaphores[i], nil)
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parents: 2
diff changeset
630 engine.vulkan.device.device.vkDestroyFence(engine.vulkan.inFlightFences[i], nil)
2
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Sam <sam@basx.dev>
parents: 1
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631
4
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Sam <sam@basx.dev>
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diff changeset
632 engine.vulkan.device.device.vkDestroyCommandPool(engine.vulkan.commandPool, nil)
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Sam <sam@basx.dev>
parents: 2
diff changeset
633 engine.vulkan.device.device.vkDestroyPipeline(engine.vulkan.pipeline.pipeline, nil)
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Sam <sam@basx.dev>
parents: 2
diff changeset
634 engine.vulkan.device.device.vkDestroyPipelineLayout(engine.vulkan.pipeline.layout, nil)
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Sam <sam@basx.dev>
parents: 2
diff changeset
635 engine.vulkan.device.device.vkDestroyRenderPass(engine.vulkan.renderPass, nil)
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
636
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Sam <sam@basx.dev>
parents: 1
diff changeset
637 for shaderStage in engine.vulkan.pipeline.shaderStages:
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
638 engine.vulkan.device.device.vkDestroyShaderModule(shaderStage.module, nil)
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
639
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Sam <sam@basx.dev>
parents: 1
diff changeset
640 engine.vulkan.instance.vkDestroySurfaceKHR(engine.vulkan.surface, nil)
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
641 engine.vulkan.device.device.vkDestroyDevice(nil)
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sam <sam@basx.dev>
parents: 8
diff changeset
642 when DEBUG_LOG:
4
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Sam <sam@basx.dev>
parents: 2
diff changeset
643 engine.vulkan.instance.vkDestroyDebugUtilsMessengerEXT(engine.vulkan.debugMessenger, nil)
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Sam <sam@basx.dev>
parents: 2
diff changeset
644 glslang_finalize_process()
2
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Sam <sam@basx.dev>
parents: 1
diff changeset
645 engine.vulkan.instance.vkDestroyInstance(nil)
5
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Sam <sam@basx.dev>
parents: 4
diff changeset
646 engine.window.trash()