Mercurial > games > semicongine
view tests/test_materials.nim @ 868:252cbc10b25f
did: improve/refactor some of the material API
author | Sam <sam@basx.dev> |
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date | Wed, 03 Jan 2024 11:19:55 +0700 |
parents | 19b5051d6eb7 |
children | 91e018270832 |
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import std/times import std/tables import semicongine let sampler = Sampler(magnification: VK_FILTER_NEAREST, minification: VK_FILTER_NEAREST) (RT, WT, PT) = (toRGBA("A51931").asPixel, toRGBA("F4F5F8").asPixel, toRGBA("2D2A4A").asPixel) thai = Image(width: 7, height: 5, imagedata: @[ RT, RT, RT, RT, RT, RT, RT, WT, WT, WT, WT, WT, WT, WT, PT, PT, PT, PT, PT, PT, PT, WT, WT, WT, WT, WT, WT, WT, RT, RT, RT, RT, RT, RT, RT, ]) swiss = loadImage("flag.png") doubleTextureMaterial = MaterialType( name:"Double texture", vertexAttributes: { "position": Vec3F32, "uv": Vec2F32, }.toTable, attributes: {"tex1": TextureType, "tex2": TextureType}.toTable ) material = initMaterialData( theType=doubleTextureMaterial, name="swiss-thai", attributes={ "tex1": initDataList(@[Texture(image: thai, sampler: sampler)]), "tex2": initDataList(@[Texture(image: swiss, sampler: sampler)]), } ) proc main() = var flag = rect() flag.material = material var scene = Scene(name: "main", meshes: @[flag]) scene.addShaderGlobalArray("test2", @[0'f32, 0'f32]) var engine = initEngine("Test materials") const shaderConfiguration1 = createShaderConfiguration( inputs=[ attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead), attr[Vec2f]("uv", memoryPerformanceHint=PreferFastRead), ], intermediates=[ attr[Vec2f]("uvout"), ], uniforms=[attr[float32]("test2", arrayCount=2)], samplers = @[ attr[Texture]("tex1", arrayCount=1), attr[Texture]("tex2", arrayCount=1), ], outputs=[attr[Vec4f]("color")], vertexCode=""" gl_Position = vec4(position.x, position.y + sin(Uniforms.test2[1]) / Uniforms.test2[1] * 0.5, position.z, 1.0); uvout = uv;""", fragmentCode=""" float d = sin(Uniforms.test2[0]) * 0.5 + 0.5; color = texture(tex1[0], uvout) * (1 - d) + texture(tex2[0], uvout) * d; """, ) engine.initRenderer({ doubleTextureMaterial: shaderConfiguration1, }) engine.loadScene(scene) var t = cpuTime() while engine.updateInputs() == Running and not engine.keyIsDown(Escape): var d = float32(cpuTime() - t) setShaderGlobalArray(scene, "test2", @[d, d * 2]) engine.renderScene(scene) engine.destroy() when isMainModule: main()