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726
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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 var font = loadFont("DejaVuSans.ttf", "myfont")
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6 var img = loadImage("flag.png")
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7
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8 var textbox = newTextbox(10, 10, font, "Joni")
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9 scene.root.add textbox
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10
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11 var sampler = DefaultSampler()
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12 sampler.magnification = VK_FILTER_NEAREST
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13 sampler.minification = VK_FILTER_NEAREST
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14 scene.addTextures("my_texture", @[
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15 Texture(image: img, sampler: sampler)
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16 ])
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17 scene.addShaderGlobalArray("test2", @[1'f32, 2'f32])
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18
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19 var engine = initEngine("Test fonts")
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20
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21 const
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22 vertexInput = @[
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23 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
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24 attr[Vec2f]("uv", memoryPerformanceHint=PreferFastRead),
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25 ]
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26 vertexOutput = @[attr[Vec2f]("uvout")]
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27 uniforms = @[attr[float32]("test2", arrayCount=2)]
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28 samplers = @[attr[Sampler2DType]("my_texture", arrayCount=1)]
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29 fragOutput = @[attr[Vec4f]("color")]
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30 vertexCode = compileGlslShader(
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31 stage=VK_SHADER_STAGE_VERTEX_BIT,
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32 inputs=vertexInput,
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33 uniforms=uniforms,
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34 samplers=samplers,
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35 outputs=vertexOutput,
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36 main="""gl_Position = vec4(position, 1.0); uvout = uv;"""
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37 )
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38 fragmentCode = compileGlslShader(
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39 stage=VK_SHADER_STAGE_FRAGMENT_BIT,
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40 inputs=vertexOutput,
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41 uniforms=uniforms,
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42 samplers=samplers,
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43 outputs=fragOutput,
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44 main="""color = texture(my_texture[0], uvout);"""
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45 )
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46 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))
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47 engine.addScene(scene, vertexInput, samplers)
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48 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
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49 engine.renderScene(scene)
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50 engine.destroy()
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51
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52
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53 when isMainModule:
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54 main()
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