Mercurial > games > semicongine
annotate old_tests/test_materials.nim @ 1331:1abdd42f5cfe
add: image layers
| author | sam <sam@basx.dev> |
|---|---|
| date | Thu, 22 Aug 2024 18:31:03 +0700 |
| parents | 6360c8d17ce0 |
| children |
| rev | line source |
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| 201 | 1 import std/times |
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2 import std/tables |
| 201 | 3 |
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4 import semicongine |
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5 |
| 332 | 6 let |
| 7 sampler = Sampler(magnification: VK_FILTER_NEAREST, minification: VK_FILTER_NEAREST) | |
| 1137 | 8 (RT, WT, PT) = (ToRGBA("A51931").AsPixel, ToRGBA("F4F5F8").AsPixel, ToRGBA("2D2A4A").AsPixel) |
| 420 | 9 thai = Image[RGBAPixel](width: 7, height: 5, imagedata: @[ |
| 332 | 10 RT, RT, RT, RT, RT, RT, RT, |
| 11 WT, WT, WT, WT, WT, WT, WT, | |
| 12 PT, PT, PT, PT, PT, PT, PT, | |
| 13 WT, WT, WT, WT, WT, WT, WT, | |
| 14 RT, RT, RT, RT, RT, RT, RT, | |
| 15 ]) | |
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16 swiss = LoadImage[RGBAPixel]("flag.png") |
| 373 | 17 doubleTextureMaterial = MaterialType( |
| 420 | 18 name: "Double texture", |
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19 vertexAttributes: { |
| 373 | 20 "position": Vec3F32, |
| 21 "uv": Vec2F32, | |
| 22 }.toTable, | |
| 23 attributes: {"tex1": TextureType, "tex2": TextureType}.toTable | |
| 24 ) | |
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25 material = InitMaterialData( |
| 420 | 26 theType = doubleTextureMaterial, |
| 27 name = "swiss-thai", | |
| 28 attributes = { | |
| 1137 | 29 "tex1": InitDataList(@[Texture(colorImage: thai, sampler: sampler, isGrayscale: false)]), |
| 30 "tex2": InitDataList(@[Texture(colorImage: swiss, sampler: sampler, isGrayscale: false)]), | |
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31 } |
| 373 | 32 ) |
| 332 | 33 |
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34 proc main() = |
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35 var flag = Rect() |
| 373 | 36 flag.material = material |
| 332 | 37 var scene = Scene(name: "main", meshes: @[flag]) |
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38 scene.AddShaderGlobalArray("test2", @[NewVec4f(), NewVec4f()]) |
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39 |
| 1138 | 40 var engine = InitEngine("Test materials") |
| 253 | 41 |
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42 const |
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43 shaderConfiguration1 = CreateShaderConfiguration( |
| 1021 | 44 name = "shader 1", |
| 420 | 45 inputs = [ |
| 1137 | 46 Attr[Vec3f]("position", memoryPerformanceHint = PreferFastRead), |
| 47 Attr[Vec2f]("uv", memoryPerformanceHint = PreferFastRead), | |
| 332 | 48 ], |
| 420 | 49 intermediates = [ |
| 1137 | 50 Attr[Vec2f]("uvout"), |
| 332 | 51 ], |
| 1137 | 52 uniforms = [Attr[Vec4f]("test2", arrayCount = 2)], |
| 332 | 53 samplers = @[ |
| 1137 | 54 Attr[Texture]("tex1"), |
| 55 Attr[Texture]("tex2"), | |
| 332 | 56 ], |
| 1137 | 57 outputs = [Attr[Vec4f]("color")], |
| 420 | 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); |
| 332 | 60 uvout = uv;""", |
| 420 | 61 fragmentCode = """ |
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62 float d = sin(Uniforms.test2[0].x) * 0.5 + 0.5; |
| 979 | 63 color = texture(tex1, uvout) * (1 - d) + texture(tex2, uvout) * d; |
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64 """, |
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65 ) |
| 1138 | 66 engine.InitRenderer({ |
| 373 | 67 doubleTextureMaterial: shaderConfiguration1, |
| 344 | 68 }) |
| 1138 | 69 engine.LoadScene(scene) |
| 201 | 70 var t = cpuTime() |
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71 while engine.UpdateInputs() and not KeyIsDown(Escape): |
| 230 | 72 var d = float32(cpuTime() - t) |
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73 SetShaderGlobalArray(scene, "test2", @[NewVec4f(d), NewVec4f(d * 2)]) |
| 1138 | 74 engine.RenderScene(scene) |
| 75 engine.Destroy() | |
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76 |
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77 |
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78 when isMainModule: |
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79 main() |