75 строки
2.0 KiB
C#
75 строки
2.0 KiB
C#
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//
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// Unit tests for MPSAccelerationStructure
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//
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// Authors:
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// Alex Soto <alexsoto@microsoft.com>
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//
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//
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// Copyright 2019 Microsoft Corporation.
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//
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#if !__WATCHOS__
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using System;
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using System.Runtime.InteropServices;
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using Foundation;
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using Metal;
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using MetalPerformanceShaders;
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using NUnit.Framework;
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using OpenTK;
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namespace MonoTouchFixtures.MetalPerformanceShaders {
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[TestFixture]
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public class MPSAccelerationStructureTests {
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IMTLDevice device;
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nuint vector3Size = (nuint) Marshal.SizeOf<OpenTK.NVector3> ();
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[TestFixtureSetUp]
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public void Metal ()
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{
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TestRuntime.AssertDevice ();
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TestRuntime.AssertXcodeVersion (10, 0);
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device = MTLDevice.SystemDefault;
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// some older hardware won't have a default
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if (device == null || !MPSKernel.Supports (device))
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Assert.Inconclusive ("Metal is not supported");
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}
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[Test]
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public void MPSAxisAlignedBoundingBoxTest ()
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{
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var vertices = new NVector3 [3] {
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new NVector3 (0.25f, 0.25f, 0.0f),
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new NVector3 (0.75f, 0.25f, 0.0f),
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new NVector3 (0.50f, 0.75f, 0.0f)
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};
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var vbuffer = device.CreateBuffer (vertices, MTLResourceOptions.CpuCacheModeWriteCombined);
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var indices = new uint [] { 0, 1, 2 };
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var ibuffer = device.CreateBuffer (indices, MTLResourceOptions.CpuCacheModeWriteCombined);
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var accelerationStructure = new MPSTriangleAccelerationStructure (device) {
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VertexBuffer = vbuffer,
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VertexStride = vector3Size,
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IndexBuffer = ibuffer,
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IndexType = MPSDataType.UInt32,
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TriangleCount = 1
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};
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accelerationStructure.Rebuild ();
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var bbox = accelerationStructure.BoundingBox;
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Assert.That (bbox.Max.X, Is.EqualTo (0.75f), "bbox.Max.X");
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Assert.That (bbox.Max.Y, Is.EqualTo (0.75f), "bbox.Max.Y");
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Assert.That (bbox.Max.Z, Is.EqualTo (0.0f), "bbox.Max.Z");
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Assert.That (bbox.Min.X, Is.EqualTo (0.25f), "bbox.Min.X");
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Assert.That (bbox.Min.Y, Is.EqualTo (0.25f), "bbox.Min.Y");
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Assert.That (bbox.Min.Z, Is.EqualTo (0.0f), "bbox.Min.Z");
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}
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}
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}
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#endif // !__WATCHOS__
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