Mercurial > games > semicongine
annotate tests/test_vulkan_wrapper.nim @ 114:056e08dfad10
yay: first triangle rendering with new engine implmentation
| author | Sam <sam@basx.dev> |
|---|---|
| date | Mon, 03 Apr 2023 00:06:24 +0700 |
| parents | 7b695fb335ed |
| children | e18538442837 |
| rev | line source |
|---|---|
| 96 | 1 import std/options |
| 2 | |
| 93 | 3 import semicongine/vulkan |
| 94 | 4 import semicongine/platform/window |
| 98 | 5 import semicongine/math |
| 109 | 6 import semicongine/entity |
| 7 import semicongine/scene | |
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8 import semicongine/gpu_data |
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9 import semicongine/mesh |
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10 |
| 104 | 11 proc diagnostics(instance: Instance) = |
| 94 | 12 # diagnostic output |
| 93 | 13 echo "Devices" |
| 14 for device in instance.getPhysicalDevices(): | |
| 15 echo " " & $device | |
| 96 | 16 echo " Rating: " & $device.rateGraphics() |
| 93 | 17 echo " Extensions" |
| 18 for extension in device.getExtensions(): | |
| 19 echo " " & $extension | |
| 96 | 20 echo " Properties" |
| 21 echo " " & $device.getProperties() | |
| 22 echo " Features" | |
| 23 echo " " & $device.getFeatures() | |
| 93 | 24 echo " Queue families" |
| 25 for queueFamily in device.getQueueFamilies(): | |
| 26 echo " " & $queueFamily | |
| 94 | 27 echo " Surface present modes" |
| 96 | 28 for mode in device.getSurfacePresentModes(): |
| 94 | 29 echo " " & $mode |
| 30 echo " Surface formats" | |
| 96 | 31 for format in device.getSurfaceFormats(): |
| 94 | 32 echo " " & $format |
| 93 | 33 |
| 104 | 34 when isMainModule: |
| 35 # print basic driver infos | |
| 36 echo "Layers" | |
| 37 for layer in getLayers(): | |
| 38 echo " " & layer | |
| 39 echo "Instance extensions" | |
| 40 for extension in getInstanceExtensions(): | |
| 41 echo " " & extension | |
| 42 | |
| 43 # create instance | |
| 44 var thewindow = createWindow("Test") | |
| 45 var instance = thewindow.createInstance( | |
| 46 vulkanVersion=VK_MAKE_API_VERSION(0, 1, 3, 0), | |
| 47 instanceExtensions= @["VK_EXT_debug_utils"], | |
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48 layers= @["VK_LAYER_KHRONOS_validation", "VK_LAYER_MESA_overlay"] |
| 104 | 49 ) |
| 50 var debugger = instance.createDebugMessenger() | |
| 51 | |
| 93 | 52 # create devices |
| 96 | 53 let selectedPhysicalDevice = instance.getPhysicalDevices().filterBestGraphics() |
| 54 var device = instance.createDevice( | |
| 55 selectedPhysicalDevice, | |
| 56 @[], | |
| 57 @[], | |
| 58 selectedPhysicalDevice.filterForGraphicsPresentationQueues() | |
| 59 ) | |
| 60 | |
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61 const |
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62 vertexInput = initAttributeGroup( |
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63 asAttribute(default(Vec3f), "position"), |
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64 asAttribute(default(Vec3f), "color"), |
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65 ) |
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66 vertexOutput = initAttributeGroup(asAttribute(default(Vec3f), "outcolor")) |
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67 fragOutput = initAttributeGroup(asAttribute(default(Vec4f), "color")) |
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68 vertexCode = compileGlslShader( |
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69 stage=VK_SHADER_STAGE_VERTEX_BIT, |
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70 inputs=vertexInput, |
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71 outputs=vertexOutput, |
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72 body="""gl_Position = vec4(position, 1.0); outcolor = color;""" |
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73 ) |
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74 fragmentCode = compileGlslShader( |
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75 stage=VK_SHADER_STAGE_FRAGMENT_BIT, |
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76 inputs=vertexOutput, |
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77 outputs=fragOutput, |
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78 body="color = vec4(outcolor, 1);" |
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79 ) |
| 106 | 80 var |
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81 vertexshader = device.createShaderModule(vertexCode) |
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82 fragmentshader = device.createShaderModule(fragmentCode) |
| 108 | 83 surfaceFormat = device.physicalDevice.getSurfaceFormats().filterSurfaceFormat() |
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84 renderPass = device.simpleForwardRenderPass(surfaceFormat.format, vertexshader, fragmentshader, 2) |
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85 (swapchain, res) = device.createSwapchain(renderPass, surfaceFormat, device.firstGraphicsQueue().get().family, 2) |
| 108 | 86 if res != VK_SUCCESS: |
| 87 raise newException(Exception, "Unable to create swapchain") | |
| 96 | 88 |
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89 var thescene = Scene( |
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90 name: "main", |
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91 root: newEntity("root", |
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92 newEntity("triangle1", initMesh( |
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93 positions=[newVec3f(0.0, -0.5), newVec3f(0.5, 0.5), newVec3f(-0.5, 0.5)], |
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94 colors=[newVec3f(1.0, 0.0, 0.0), newVec3f(0.0, 1.0, 0.0), newVec3f(0.0, 0.0, 1.0)], |
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95 )), |
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96 ) |
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97 ) |
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98 thescene.setupDrawables(renderPass) |
| 109 | 99 |
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100 echo "Setup successfull, start rendering" |
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101 for i in 0 ..< 1000: |
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102 discard swapchain.drawScene(thescene) |
| 108 | 103 echo "Rendered ", swapchain.framesRendered, " frames" |
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104 checkVkResult device.vk.vkDeviceWaitIdle() |
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105 |
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106 # cleanup |
| 96 | 107 echo "Start cleanup" |
| 93 | 108 |
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109 # logical |
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110 thescene.destroy() |
| 108 | 111 |
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112 # rendering objects |
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113 vertexshader.destroy() |
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114 fragmentshader.destroy() |
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115 renderPass.destroy() |
| 96 | 116 swapchain.destroy() |
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117 |
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118 # global objects |
| 96 | 119 device.destroy() |
| 93 | 120 debugger.destroy() |
| 121 instance.destroy() |