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1485
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1 import std/strutils
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2 import std/logging
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3
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4 include ./vkapi
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5
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6 template checkVkResult*(call: untyped) =
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7 when defined(release):
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8 discard call
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9 else:
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10 # yes, a bit cheap, but this is only for nice debug output
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11 var callstr = astToStr(call).replace("\n", "")
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12 while callstr.find(" ") >= 0:
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13 callstr = callstr.replace(" ", " ")
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14 debug "Calling vulkan: ", callstr
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15 let value = call
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16 if value != VK_SUCCESS:
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17 error "Vulkan error: ", astToStr(call), " returned ", $value
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18 raise newException(
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19 Exception, "Vulkan error: " & astToStr(call) & " returned " & $value
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20 )
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21
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22 type SVkInstance* = object
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23 vkInstance: VkInstance
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24
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25 proc `=copy`(a: var SVkInstance, b: SVkInstance) {.error.}
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26
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27 proc `=destroy`(a: SVkInstance) =
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28 if a.vkInstance.pointer != nil:
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29 a.vkInstance.vkDestroyInstance(nil)
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30
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31 proc svkCreateInstance*(
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32 applicationName: string,
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33 enabledLayers: openArray[string] = [],
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34 enabledExtensions: openArray[string] = [],
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35 engineName = "semicongine",
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36 majorVersion = 1'u32,
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37 minorVersion = 3'u32,
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38 ): SVkInstance =
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39 let
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40 appinfo = VkApplicationInfo(
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41 pApplicationName: applicationName,
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42 pEngineName: engineName,
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43 apiVersion: VK_MAKE_API_VERSION(0, majorVersion, minorVersion, 0),
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44 )
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45 layersC = enabledLayers.allocCStringArray()
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46 extensionsC = enabledLayers.allocCStringArray()
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47 createinfo = VkInstanceCreateInfo(
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48 pApplicationInfo: addr appinfo,
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49 enabledLayerCount: enabledLayers.len.uint32,
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50 ppEnabledLayerNames: layersC,
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51 enabledExtensionCount: enabledExtensions.len.uint32,
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52 ppEnabledExtensionNames: extensionsC,
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53 )
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54 checkVkResult vkCreateInstance(addr createinfo, nil, addr result.vkInstance)
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55 layersC.deallocCStringArray()
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56 extensionsC.deallocCStringArray()
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