71 строка
2.6 KiB
C#
71 строка
2.6 KiB
C#
// Copyright 2017 Microsoft Inc. All rights reserved.
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#if !__WATCHOS__
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using System;
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using Foundation;
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using ObjCRuntime;
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using Metal;
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using MetalPerformanceShaders;
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using NUnit.Framework;
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namespace MonoTouchFixtures.MetalPerformanceShaders {
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[TestFixture]
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[Preserve (AllMembers = true)]
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public class MPSImageHistogramTest {
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IMTLDevice device;
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[OneTimeSetUp]
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public void Metal ()
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{
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#if !MONOMAC && !__MACCATALYST__
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TestRuntime.AssertXcodeVersion (7, 0);
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if (Runtime.Arch == Arch.SIMULATOR)
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Assert.Inconclusive ("Metal Performance Shaders is not supported in the simulator");
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#else
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TestRuntime.AssertXcodeVersion (9, 0);
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TestRuntime.AssertNotVirtualMachine ();
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#endif
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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 is 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 Constructors ()
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{
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MPSImageHistogramInfo info = new MPSImageHistogramInfo ();
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info.NumberOfHistogramEntries = 256;
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using (var obj = new MPSImageHistogram (MTLDevice.SystemDefault, ref info)) {
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var rv = obj.HistogramInfo;
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Asserts.AreEqual (info, rv, "HistogramForAlpha");
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Assert.IsTrue (obj.ZeroHistogram, "ZeroHistogram");
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if (TestRuntime.CheckXcodeVersion (8, 0)) {
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// HistogramSizeForSourceFormat was introduced in iOS 9, but no matter which MTLPixelFormat value I pass in,
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// the native histogramSizeForSourceFormat: function rudely aborts the entire process with an abrupt:
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// > /BuildRoot/Library/Caches/com.apple.xbs/Sources/MetalImage/MetalImage-39.3/MetalImage/Filters/MIHistogram.mm:103: failed assertion `[MPSImageHistogram histogramSizeForSourceFormat:] unsupported texture format: 114'
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// I made sure the MTLPixelFormat values I tested with were also added in iOS 9, so that's not the problem.
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// Conclusion: just avoid executing HistogramSizeForSourceFormat on anything below iOS 10.rm
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Assert.AreEqual ((nuint) 3072, obj.GetHistogramSize (MTLPixelFormat.RGBA16Sint), "HistogramSizeForSourceFormat");
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}
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var crs = obj.ClipRectSource;
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Assert.AreEqual ((nint) 0, crs.Origin.X, "ClipRectSource.Origin.X");
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Assert.AreEqual ((nint) 0, crs.Origin.Y, "ClipRectSource.Origin.Y");
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Assert.AreEqual ((nint) 0, crs.Origin.Z, "ClipRectSource.Origin.Z");
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Assert.AreEqual ((nint) (-1), crs.Size.Depth, "ClipRectSource.Size.Depth");
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Assert.AreEqual ((nint) (-1), crs.Size.Height, "ClipRectSource.Size.Height");
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Assert.AreEqual ((nint) (-1), crs.Size.Width, "ClipRectSource.Size.Width");
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}
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}
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}
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}
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#endif // !__WATCHOS__
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