Mercurial > games > semicongine

annotate old_tests/test_materials.nim @ 1264:cb4d626ca671

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Added tag main for changeset e0f0a0be7880
author sam <sam@basx.dev>
date Sun, 28 Jul 2024 21:58:53 +0700
parents 6360c8d17ce0
children
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1 import std/times
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2 import std/tables
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3
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4 import semicongine
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5
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6 let
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7 sampler = Sampler(magnification: VK_FILTER_NEAREST, minification: VK_FILTER_NEAREST)
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8 (RT, WT, PT) = (ToRGBA("A51931").AsPixel, ToRGBA("F4F5F8").AsPixel, ToRGBA("2D2A4A").AsPixel)
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9 thai = Image[RGBAPixel](width: 7, height: 5, imagedata: @[
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10 RT, RT, RT, RT, RT, RT, RT,
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11 WT, WT, WT, WT, WT, WT, WT,
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12 PT, PT, PT, PT, PT, PT, PT,
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13 WT, WT, WT, WT, WT, WT, WT,
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14 RT, RT, RT, RT, RT, RT, RT,
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15 ])
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16 swiss = LoadImage[RGBAPixel]("flag.png")
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17 doubleTextureMaterial = MaterialType(
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18 name: "Double texture",
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19 vertexAttributes: {
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20 "position": Vec3F32,
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21 "uv": Vec2F32,
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22 }.toTable,
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23 attributes: {"tex1": TextureType, "tex2": TextureType}.toTable
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24 )
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25 material = InitMaterialData(
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26 theType = doubleTextureMaterial,
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27 name = "swiss-thai",
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28 attributes = {
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29 "tex1": InitDataList(@[Texture(colorImage: thai, sampler: sampler, isGrayscale: false)]),
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30 "tex2": InitDataList(@[Texture(colorImage: swiss, sampler: sampler, isGrayscale: false)]),
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31 }
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32 )
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33
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34 proc main() =
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35 var flag = Rect()
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36 flag.material = material
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37 var scene = Scene(name: "main", meshes: @[flag])
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38 scene.AddShaderGlobalArray("test2", @[NewVec4f(), NewVec4f()])
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39
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40 var engine = InitEngine("Test materials")
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42 const
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43 shaderConfiguration1 = CreateShaderConfiguration(
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44 name = "shader 1",
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45 inputs = [
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46 Attr[Vec3f]("position", memoryPerformanceHint = PreferFastRead),
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47 Attr[Vec2f]("uv", memoryPerformanceHint = PreferFastRead),
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48 ],
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49 intermediates = [
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50 Attr[Vec2f]("uvout"),
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51 ],
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52 uniforms = [Attr[Vec4f]("test2", arrayCount = 2)],
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53 samplers = @[
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54 Attr[Texture]("tex1"),
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55 Attr[Texture]("tex2"),
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56 ],
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57 outputs = [Attr[Vec4f]("color")],
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58 vertexCode = """
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59 gl_Position = vec4(position.x, position.y + sin(Uniforms.test2[1].x) / Uniforms.test2[1].x * 0.5, position.z, 1.0);
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60 uvout = uv;""",
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61 fragmentCode = """
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62 float d = sin(Uniforms.test2[0].x) * 0.5 + 0.5;
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63 color = texture(tex1, uvout) * (1 - d) + texture(tex2, uvout) * d;
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64 """,
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65 )
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66 engine.InitRenderer({
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67 doubleTextureMaterial: shaderConfiguration1,
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68 })
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69 engine.LoadScene(scene)
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70 var t = cpuTime()
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71 while engine.UpdateInputs() and not KeyIsDown(Escape):
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72 var d = float32(cpuTime() - t)
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73 SetShaderGlobalArray(scene, "test2", @[NewVec4f(d), NewVec4f(d * 2)])
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74 engine.RenderScene(scene)
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75 engine.Destroy()
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78 when isMainModule:
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79 main()