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annotate tests/test_text.nim @ 1236:176383220123

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add: first font-rendering test
author sam <sam@basx.dev>
date Sat, 20 Jul 2024 17:45:44 +0700
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children 97813ac43cfb
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1236
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1 import std/os
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2 import std/sequtils
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3 import std/monotimes
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4 import std/times
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5 import std/options
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6 import std/random
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7
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8 import ../semiconginev2
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9
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10 proc test_01_static_label(time: float32, swapchain: var Swapchain) =
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11 var renderdata = InitRenderData()
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12
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13 # scale: float32 = 1,
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14 # position: Vec3f = NewVec3f(),
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15 # color: Vec4f = NewVec4f(0, 0, 0, 1),
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16
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17 var pipeline = CreatePipeline[DefaultFontShader](renderPass = swapchain.renderPass)
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18
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19 var font = LoadFont("Overhaul.ttf", lineHeightPixels = 160)
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20 var label1 = InitTextbox(
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21 renderdata,
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22 pipeline.descriptorSetLayouts[0],
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23 font,
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24 "Hello semicongine!",
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25 color = NewVec4f(1, 1, 1, 1),
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26 scale = 0.0005,
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27 )
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28
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29 var start = getMonoTime()
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30 while ((getMonoTime() - start).inMilliseconds().int / 1000) < time:
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31 label1.Refresh(swapchain.GetAspectRatio())
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32 WithNextFrame(swapchain, framebuffer, commandbuffer):
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33 WithRenderPass(swapchain.renderPass, framebuffer, commandbuffer, swapchain.width, swapchain.height, NewVec4f(0, 0, 0, 0)):
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34 WithPipeline(commandbuffer, pipeline):
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35 Render(label1, commandbuffer, pipeline, swapchain.currentFiF)
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36
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37 # cleanup
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38 checkVkResult vkDeviceWaitIdle(vulkan.device)
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39 DestroyPipeline(pipeline)
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40 DestroyRenderData(renderdata)
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41
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42 when isMainModule:
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43 var time = 10'f32
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44 InitVulkan()
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45
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46 var renderpass = CreateDirectPresentationRenderPass(depthBuffer = true)
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47 var swapchain = InitSwapchain(renderpass = renderpass).get()
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48
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49 # tests a simple triangle with minimalistic shader and vertex format
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50 test_01_static_label(time, swapchain)
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51
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52 checkVkResult vkDeviceWaitIdle(vulkan.device)
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53 vkDestroyRenderPass(vulkan.device, renderpass.vk, nil)
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54 DestroySwapchain(swapchain)
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55
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56 DestroyVulkan()