Mercurial > games > semicongine

annotate tests/test_materials.nim @ 199:da68fe12f600

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add: new test file to test to do future test with materials etc.
author Sam <sam@basx.dev>
date Sun, 07 May 2023 17:42:53 +0700
parents
children 1ba005328615
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199
da68fe12f600 add: new test file to test to do future test with materials etc.
Sam <sam@basx.dev>
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1 import semicongine
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2
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3 proc main() =
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4 var scene = newScene("main", root=newEntity("rect", rect()))
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5 let (R, W) = ([255'u8, 0'u8, 0'u8, 255'u8], [255'u8, 255'u8, 255'u8, 255'u8])
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6 scene.addTexture("my_texture", TextureImage(width: 5, height: 5, imagedata: @[
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7 R, R, R, R, R,
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8 R, R, W, R, R,
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9 R, W, W, W, R,
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10 R, R, W, R, R,
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11 R, R, R, R, R,
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12 ]))
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13
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14 var engine = initEngine("Test materials")
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15 const
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16 vertexInput = @[
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17 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
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18 attr[Vec2f]("uv", memoryPerformanceHint=PreferFastRead),
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19 ]
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20 vertexOutput = @[attr[Vec2f]("uvout")]
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21 samplers = @[attr[Sampler2DType]("my_texture")]
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22 fragOutput = @[attr[Vec4f]("color")]
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23 vertexCode = compileGlslShader(
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24 stage=VK_SHADER_STAGE_VERTEX_BIT,
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25 inputs=vertexInput,
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26 samplers=samplers,
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27 outputs=vertexOutput,
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28 main="""gl_Position = vec4(position, 1.0); uvout = uv;"""
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29 )
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30 fragmentCode = compileGlslShader(
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31 stage=VK_SHADER_STAGE_FRAGMENT_BIT,
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32 inputs=vertexOutput,
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33 samplers=samplers,
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34 outputs=fragOutput,
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35 main="color = texture(my_texture, uvout);"
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36 )
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37 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))
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38 engine.addScene(scene, vertexInput)
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39 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
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40 engine.renderScene(scene)
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41 break
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42 engine.destroy()
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43
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44
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45 when isMainModule:
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46 main()