public void SetUp()
{
TestRuntime.AssertXcodeVersion(12, 0);
device = MTLDevice.SystemDefault;
// some older hardware won't have a default
if (device == null)
{
Assert.Inconclusive("Metal is not supported");
}
library = device.CreateDefaultLibrary();
if (library == null) // this happens on a simulator
{
Assert.Inconclusive("Could not get the functions library for the device.");
}
if (library.FunctionNames.Length == 0)
{
Assert.Inconclusive("Could not get functions for the pipeline.");
}
function = library.CreateFunction(library.FunctionNames [0]);
pipelineState = device.CreateComputePipelineState(function, MTLPipelineOption.ArgumentInfo, out MTLComputePipelineReflection reflection, out NSError error);
if (error != null)
{
Assert.Inconclusive($"Could not create pipeline {error}");
}
descriptor = MTLIntersectionFunctionTableDescriptor.Create();
functionTable = pipelineState.CreateIntersectionFunctionTable(descriptor);
}
public void FunctionCountTest()
{
using var descriptor = MTLIntersectionFunctionTableDescriptor.Create();
nuint newCount = 10;
nuint objCount = 0;
Assert.DoesNotThrow(() => {
descriptor.FunctionCount = newCount;
}, "Setter");
Assert.DoesNotThrow(() => {
objCount = descriptor.FunctionCount;
}, "Getter");
Assert.AreEqual(newCount, objCount, "Count");
}
