Mercurial > games > semicongine

annotate semiconginev2/old/vulkan/physicaldevice.nim @ 1222:3c3d4d7a8ecd compiletime-tests

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did: cleanup config file
author sam <sam@basx.dev>
date Wed, 17 Jul 2024 21:08:15 +0700
parents 56781cc0fc7c
children
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1 from std/enumerate import enumerate
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2 import std/tables
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3 import std/sequtils
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4
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5 import ../core
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6 import ./instance
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7
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8 type
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9 PhysicalDevice* = object
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10 vk*: VkPhysicalDevice
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11 name*: string
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12 devicetype*: VkPhysicalDeviceType
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13 surface*: VkSurfaceKHR
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14 properties*: VkPhysicalDeviceProperties
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15 features*: VkPhysicalDeviceFeatures2
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16 QueueFamily* = object
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17 device: PhysicalDevice
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18 properties*: VkQueueFamilyProperties
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19 index*: uint32
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20 flags*: seq[VkQueueFlagBits]
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21
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22 func `$`*(device: PhysicalDevice): string =
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23 "Physical device: vk=" & $device.vk & ", name=" & $device.name & ", devicetype=" & $device.devicetype
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24
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25 proc GetPhysicalDevices*(instance: Instance): seq[PhysicalDevice] =
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26 assert instance.vk.Valid
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27 assert instance.surface.Valid
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28 var nDevices: uint32
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29 checkVkResult vkEnumeratePhysicalDevices(instance.vk, addr(nDevices), nil)
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30 var devices = newSeq[VkPhysicalDevice](nDevices)
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31 checkVkResult vkEnumeratePhysicalDevices(instance.vk, addr(nDevices), devices.ToCPointer)
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32 for i in 0 ..< nDevices:
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33 var device = PhysicalDevice(vk: devices[i], surface: instance.surface)
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34 device.vk.vkGetPhysicalDeviceProperties(addr device.properties)
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35 device.features.stype = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2
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36 device.vk.vkGetPhysicalDeviceFeatures2(addr device.features)
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37 device.name = device.properties.deviceName.CleanString()
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38 device.devicetype = device.properties.deviceType
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39 result.add device
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40
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41 proc GetExtensions*(device: PhysicalDevice): seq[string] =
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42 assert device.vk.Valid
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43 var extensionCount: uint32
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44 checkVkResult vkEnumerateDeviceExtensionProperties(device.vk, nil, addr(extensionCount), nil)
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45 if extensionCount > 0:
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46 var extensions = newSeq[VkExtensionProperties](extensionCount)
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47 checkVkResult vkEnumerateDeviceExtensionProperties(device.vk, nil, addr(extensionCount), extensions.ToCPointer)
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48 for extension in extensions:
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49 result.add(CleanString(extension.extensionName))
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50
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51 proc GetSurfaceCapabilities*(device: PhysicalDevice): VkSurfaceCapabilitiesKHR =
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52 assert device.vk.Valid
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53 assert device.surface.Valid
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54 checkVkResult device.vk.vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device.surface, addr(result))
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55
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56 proc GetSurfaceFormats*(device: PhysicalDevice): seq[VkSurfaceFormatKHR] =
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57 assert device.vk.Valid
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58 assert device.surface.Valid
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59 var n_formats: uint32
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60 checkVkResult vkGetPhysicalDeviceSurfaceFormatsKHR(device.vk, device.surface, addr(n_formats), nil)
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61 result = newSeq[VkSurfaceFormatKHR](n_formats)
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62 checkVkResult vkGetPhysicalDeviceSurfaceFormatsKHR(device.vk, device.surface, addr(n_formats), result.ToCPointer)
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63
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64 func FilterSurfaceFormat*(
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65 formats: seq[VkSurfaceFormatKHR],
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66 imageFormat = VK_FORMAT_B8G8R8A8_SRGB,
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67 colorSpace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR
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68 ): VkSurfaceFormatKHR =
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69 for format in formats:
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70 if format.format == imageFormat and format.colorSpace == colorSpace:
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71 return format
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72
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73 proc FilterSurfaceFormat*(device: PhysicalDevice): VkSurfaceFormatKHR =
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74 assert device.vk.Valid
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75 assert device.surface.Valid
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76 device.GetSurfaceFormats().FilterSurfaceFormat()
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77
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78 proc GetSurfacePresentModes*(device: PhysicalDevice): seq[VkPresentModeKHR] =
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79 assert device.vk.Valid
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80 assert device.surface.Valid
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81 var n_modes: uint32
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82 checkVkResult vkGetPhysicalDeviceSurfacePresentModesKHR(device.vk, device.surface, addr(n_modes), nil)
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83 result = newSeq[VkPresentModeKHR](n_modes)
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84 checkVkResult vkGetPhysicalDeviceSurfacePresentModesKHR(device.vk, device.surface, addr(n_modes), result.ToCPointer)
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85
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86 proc GetQueueFamilies*(device: PhysicalDevice): seq[QueueFamily] =
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87 assert device.vk.Valid
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88 var nQueuefamilies: uint32
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89 vkGetPhysicalDeviceQueueFamilyProperties(device.vk, addr nQueuefamilies, nil)
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90 var queuFamilies = newSeq[VkQueueFamilyProperties](nQueuefamilies)
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91 vkGetPhysicalDeviceQueueFamilyProperties(device.vk, addr nQueuefamilies, queuFamilies.ToCPointer)
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92 for i in 0 ..< nQueuefamilies:
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93 result.add QueueFamily(
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94 device: device,
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95 properties: queuFamilies[i],
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96 index: i,
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97 flags: queuFamilies[i].queueFlags.toEnums,
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98 )
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99
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100 proc CanDoGraphics*(family: QueueFamily): bool =
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101 VK_QUEUE_GRAPHICS_BIT in family.flags
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102
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103 proc CanDoPresentation*(family: QueueFamily, surface: VkSurfaceKHR): bool =
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104 assert surface.Valid
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105 var presentation = VkBool32(false)
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106 checkVkResult vkGetPhysicalDeviceSurfaceSupportKHR(family.device.vk, family.index, surface, addr presentation)
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107 return bool(presentation)
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108
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109 proc CanDoTransfer*(family: QueueFamily): bool =
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110 VK_QUEUE_TRANSFER_BIT in family.flags
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111
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112 proc FilterForGraphicsPresentationQueues*(device: PhysicalDevice): seq[QueueFamily] =
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113 var canDoGraphics = false
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114 var canDoPresentation = false
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115 var queues: Table[uint32, QueueFamily]
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116 for family in device.GetQueueFamilies():
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117 if family.CanDoGraphics:
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118 queues[family.index] = family
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119 canDoGraphics = true
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120 if family.CanDoPresentation(device.surface):
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121 queues[family.index] = family
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122 canDoPresentation = true
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123 if canDoGraphics and canDoPresentation:
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124 return queues.values.toSeq
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125
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126 proc filterGraphics(families: seq[QueueFamily]): seq[QueueFamily] =
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127 for family in families:
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128 if family.CanDoGraphics:
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129 result.add family
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130
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131 proc filterPresentation(families: seq[QueueFamily], surface: VkSurfaceKHR): seq[QueueFamily] =
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132 assert surface.Valid
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133 for family in families:
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134 if family.CanDoPresentation(surface):
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135 result.add family
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136
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137 proc rateGraphics(device: PhysicalDevice): float =
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138 assert device.vk.Valid
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139 assert device.surface.Valid
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140 if device.GetQueueFamilies().filterGraphics().filterPresentation(device.surface).len == 0:
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141 return -1
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142 if not ("VK_KHR_swapchain" in device.GetExtensions()):
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143 return -1
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144 const deviceTypeMap = [
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145 VK_PHYSICAL_DEVICE_TYPE_OTHER,
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146 VK_PHYSICAL_DEVICE_TYPE_CPU,
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147 VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU,
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148 VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU,
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149 VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU,
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150 ]
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151 for (i, devicetype) in enumerate(deviceTypeMap):
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152 if device.devicetype == devicetype:
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153 result = float(i)
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154
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155 proc FilterBestGraphics*(devices: seq[PhysicalDevice]): PhysicalDevice =
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156 var bestVal = -1'f
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157 for device in devices:
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158 assert device.vk.Valid
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159 assert device.surface.Valid
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160 let rating = device.rateGraphics()
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161 if rating > bestVal:
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162 bestVal = rating
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163 result = device
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164 assert bestVal >= 0