public void Constructors()
{
MPSImageHistogramInfo info = new MPSImageHistogramInfo();
info.NumberOfHistogramEntries = 256;
using (var obj = new MPSImageHistogram(MTLDevice.SystemDefault, ref info)) {
var rv = obj.HistogramInfo;
Asserts.AreEqual(info, rv, "HistogramForAlpha");
Assert.IsTrue(obj.ZeroHistogram, "ZeroHistogram");
if (TestRuntime.CheckXcodeVersion(8, 0))
{
// HistogramSizeForSourceFormat was introduced in iOS 9, but no matter which MTLPixelFormat value I pass in,
// the native histogramSizeForSourceFormat: function rudely aborts the entire process with an abrupt:
// > /BuildRoot/Library/Caches/com.apple.xbs/Sources/MetalImage/MetalImage-39.3/MetalImage/Filters/MIHistogram.mm:103: failed assertion `[MPSImageHistogram histogramSizeForSourceFormat:] unsupported texture format: 114'
// I made sure the MTLPixelFormat values I tested with were also added in iOS 9, so that's not the problem.
// Conclusion: just avoid executing HistogramSizeForSourceFormat on anything below iOS 10.rm
Assert.AreEqual(3072, obj.GetHistogramSize(MTLPixelFormat.RGBA16Sint), "HistogramSizeForSourceFormat");
}
var crs = obj.ClipRectSource;
Assert.AreEqual(0, crs.Origin.X, "ClipRectSource.Origin.X");
Assert.AreEqual(0, crs.Origin.Y, "ClipRectSource.Origin.Y");
Assert.AreEqual(0, crs.Origin.Z, "ClipRectSource.Origin.Z");
Assert.AreEqual(-1, crs.Size.Depth, "ClipRectSource.Size.Depth");
Assert.AreEqual(-1, crs.Size.Height, "ClipRectSource.Size.Height");
Assert.AreEqual(-1, crs.Size.Width, "ClipRectSource.Size.Width");
}
}
public static void AreEqual(MPSImageHistogramInfo expected, MPSImageHistogramInfo actual, string message)
{
Assert.AreEqual(expected.HistogramForAlpha, actual.HistogramForAlpha, message + " HistogramForAlpha");
Asserts.AreEqual(expected.MaxPixelValue, actual.MaxPixelValue, message + " MaxPixelValue");
Asserts.AreEqual(expected.MinPixelValue, actual.MinPixelValue, message + " MinPixelValue");
Assert.AreEqual(expected.NumberOfHistogramEntries, actual.NumberOfHistogramEntries, message + " NumberOfHistogramEntries");
}
public static void AreEqual(MPSImageHistogramInfo expected, MPSImageHistogramInfo actual, string message)
{
Assert.AreEqual(expected.HistogramForAlpha, actual.HistogramForAlpha, $"{message} HistogramForAlpha expected: {expected} actual: {actual}");
Asserts.AreEqual(expected.MaxPixelValue, actual.MaxPixelValue, $"{message} MaxPixelValue expected: {expected} actual: {actual}");
Asserts.AreEqual(expected.MinPixelValue, actual.MinPixelValue, $"{message} MinPixelValue expected: {expected} actual: {actual}");
Assert.AreEqual(expected.NumberOfHistogramEntries, actual.NumberOfHistogramEntries, $"{message} NumberOfHistogramEntries expected: {expected} actual: {actual}");
}
public void Constructors()
{
MPSImageHistogramInfo info = new MPSImageHistogramInfo();
info.NumberOfHistogramEntries = 256;
using (var obj = new MPSImageHistogramSpecification(MTLDevice.SystemDefault, ref info)) {
var rv = obj.HistogramInfo;
Asserts.AreEqual(info, rv, "HistogramForAlpha");
}
}
public void Constructors()
{
TestRuntime.AssertDevice();
TestRuntime.AssertXcodeVersion(7, 0);
MPSImageHistogramInfo info = new MPSImageHistogramInfo();
info.NumberOfHistogramEntries = 256;
using (var obj = new MPSImageHistogramEqualization(MTLDevice.SystemDefault, ref info)) {
var rv = obj.HistogramInfo;
Asserts.AreEqual(info, rv, "HistogramForAlpha");
}
}
public void Constructors()
{
var info = new MPSImageHistogramInfo {
NumberOfHistogramEntries = 256
};
#if !__MACOS__
var obj = new MPSImageNormalizedHistogram(MTLDevice.SystemDefault, ref info);
#else
MPSImageNormalizedHistogram obj = null;
try {
obj = new MPSImageNormalizedHistogram(MTLDevice.SystemDefault, ref info);
}
catch (Exception ex) {
// This test fails on 10.13 bots but not on a local computer with 10.13. Must work on 10.14+.
// there is no a good way to tell if MPSImageNormalizedHistogram will work or not...
if (TestRuntime.CheckSystemVersion(PlatformName.MacOSX, 10, 14))
{
Assert.Fail(ex.Message);
}
Assert.Inconclusive("In 10.13 this can fail in some hardware.");
}
#endif
Assert.NotNull(obj, "MPSImageNormalizedHistogram obj");
var rv = obj.HistogramInfo;
Asserts.AreEqual(info, rv, "HistogramInfo");
Assert.IsTrue(obj.ZeroHistogram, "ZeroHistogram");
Assert.AreEqual(3072, obj.GetHistogramSize(MTLPixelFormat.RGBA16Sint), "HistogramSizeForSourceFormat");
var crs = obj.ClipRectSource;
Assert.AreEqual(0, crs.Origin.X, "ClipRectSource.Origin.X");
Assert.AreEqual(0, crs.Origin.Y, "ClipRectSource.Origin.Y");
Assert.AreEqual(0, crs.Origin.Z, "ClipRectSource.Origin.Z");
Assert.AreEqual(nuint.MaxValue, (nuint)crs.Size.Depth, "ClipRectSource.Size.Depth");
Assert.AreEqual(nuint.MaxValue, (nuint)crs.Size.Height, "ClipRectSource.Size.Height");
Assert.AreEqual(nuint.MaxValue, (nuint)crs.Size.Width, "ClipRectSource.Size.Width");
}
public void Constructors()
{
TestRuntime.AssertDevice();
TestRuntime.AssertXcodeVersion(7, 0);
MPSImageHistogramInfo info = new MPSImageHistogramInfo();
info.NumberOfHistogramEntries = 256;
using (var obj = new MPSImageHistogram(MTLDevice.SystemDefault, ref info)) {
var rv = obj.HistogramInfo;
Asserts.AreEqual(info, rv, "HistogramForAlpha");
Assert.IsTrue(obj.ZeroHistogram, "ZeroHistogram");
Assert.AreEqual(3072, obj.HistogramSizeForSourceFormat(MTLPixelFormat.RGBA16Sint), "HistogramSizeForSourceFormat");
var crs = obj.ClipRectSource;
Assert.AreEqual(0, crs.Origin.X, "ClipRectSource.Origin.X");
Assert.AreEqual(0, crs.Origin.Y, "ClipRectSource.Origin.Y");
Assert.AreEqual(0, crs.Origin.Z, "ClipRectSource.Origin.Z");
Assert.AreEqual(-1, crs.Size.Depth, "ClipRectSource.Size.Depth");
Assert.AreEqual(-1, crs.Size.Height, "ClipRectSource.Size.Height");
Assert.AreEqual(-1, crs.Size.Width, "ClipRectSource.Size.Width");
}
}