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1 import std/options
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2
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3 import semicongine/vulkan
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4 import semicongine/platform/window
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5 import semicongine/math
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6
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7
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8 when isMainModule:
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9 # print basic driver infos
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10 echo "Layers"
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11 for layer in getLayers():
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12 echo " " & layer
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13 echo "Instance extensions"
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14 for extension in getInstanceExtensions():
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15 echo " " & extension
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16
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17 # create instance
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18 var thewindow = createWindow("Test")
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19 var instance = thewindow.createInstance(
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20 vulkanVersion=VK_MAKE_API_VERSION(0, 1, 3, 0),
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21 instanceExtensions= @["VK_EXT_debug_utils"],
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22 layers= @["VK_LAYER_KHRONOS_validation"]
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23 )
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24 var debugger = instance.createDebugMessenger()
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25
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26 # diagnostic output
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27 echo "Devices"
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28 for device in instance.getPhysicalDevices():
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29 echo " " & $device
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30 echo " Rating: " & $device.rateGraphics()
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31 echo " Extensions"
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32 for extension in device.getExtensions():
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33 echo " " & $extension
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34 echo " Properties"
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35 echo " " & $device.getProperties()
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36 echo " Features"
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37 echo " " & $device.getFeatures()
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38 echo " Queue families"
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39 for queueFamily in device.getQueueFamilies():
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40 echo " " & $queueFamily
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41 echo " Surface present modes"
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42 for mode in device.getSurfacePresentModes():
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43 echo " " & $mode
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44 echo " Surface formats"
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45 for format in device.getSurfaceFormats():
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46 echo " " & $format
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47
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48 # create devices
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49 let selectedPhysicalDevice = instance.getPhysicalDevices().filterBestGraphics()
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50 var device = instance.createDevice(
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51 selectedPhysicalDevice,
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52 @[],
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53 @[],
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54 selectedPhysicalDevice.filterForGraphicsPresentationQueues()
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55 )
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56
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57 # setup render pipeline
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58 var (swapchain, res) = device.createSwapchain(device.physicalDevice.getSurfaceFormats().filterSurfaceFormat())
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59 if res != VK_SUCCESS:
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60 raise newException(Exception, "Unable to create swapchain")
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61 var renderpass = device.simpleForwardRenderPass(swapchain.format)
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62 var framebuffers: seq[Framebuffer]
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63 for imageview in swapchain.imageviews:
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64 framebuffers.add device.createFramebuffer(renderpass, [imageview], swapchain.dimension)
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65
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66 # todo: could be create inside "device", but it would be nice to have nim v2 with support for circular dependencies first
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67 var commandPool = device.createCommandPool(family=device.firstGraphicsQueue().get().family, nBuffers=1)
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68
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69 echo "All successfull"
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70 echo "Start cleanup"
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71
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72 commandPool.destroy()
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73 # cleanup
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74 for fb in framebuffers.mitems:
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75 fb.destroy()
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76 renderpass.destroy()
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77 swapchain.destroy()
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78 device.destroy()
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79
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80 debugger.destroy()
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81 instance.destroy()
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