void LoadAssets()
{
// Generate meshes
MDLMesh mdl = MDLMesh.CreateBox(new Vector3(2f, 2f, 2f), new Vector3i(1, 1, 1), MDLGeometryType.Triangles, false, new MTKMeshBufferAllocator(device));
NSError error;
boxMesh = new MTKMesh(mdl, device, out error);
// Allocate one region of memory for the uniform buffer
dynamicConstantBuffer = device.CreateBuffer(MaxBytesPerFrame, (MTLResourceOptions)0);
dynamicConstantBuffer.Label = "UniformBuffer";
// Load the fragment program into the library
IMTLFunction fragmentProgram = defaultLibrary.CreateFunction("lighting_fragment");
// Load the vertex program into the library
IMTLFunction vertexProgram = defaultLibrary.CreateFunction("lighting_vertex");
// Create a vertex descriptor from the MTKMesh
MTLVertexDescriptor vertexDescriptor = MTLVertexDescriptor.FromModelIO(boxMesh.VertexDescriptor);
vertexDescriptor.Layouts[0].StepRate = 1;
vertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex;
// Create a reusable pipeline state
var pipelineStateDescriptor = new MTLRenderPipelineDescriptor
{
Label = "MyPipeline",
SampleCount = view.SampleCount,
VertexFunction = vertexProgram,
FragmentFunction = fragmentProgram,
VertexDescriptor = vertexDescriptor,
DepthAttachmentPixelFormat = view.DepthStencilPixelFormat,
StencilAttachmentPixelFormat = view.DepthStencilPixelFormat
};
pipelineStateDescriptor.ColorAttachments[0].PixelFormat = view.ColorPixelFormat;
pipelineState = device.CreateRenderPipelineState(pipelineStateDescriptor, out error);
if (pipelineState == null)
{
Console.WriteLine("Failed to created pipeline state, error {0}", error);
}
var depthStateDesc = new MTLDepthStencilDescriptor
{
DepthCompareFunction = MTLCompareFunction.Less,
DepthWriteEnabled = true
};
depthState = device.CreateDepthStencilState(depthStateDesc);
}
public void Setup()
{
TestRuntime.AssertXcodeVersion(7, 0);
#if !MONOMAC
if (Runtime.Arch == Arch.SIMULATOR && IntPtr.Size == 4)
{
// There's a bug in the i386 version of objc_msgSend where it doesn't preserve SIMD arguments
// when resizing the cache of method selectors for a type. So here we call all selectors we can
// find, so that the subsequent tests don't end up producing any cache resize (radar #21630410).
object dummy;
using (var obj = MDLMesh.CreateBox(Vector3.Zero, Vector3i.Zero, MDLGeometryType.Triangles, true, null)) {
obj.AddAttribute("foo", MDLVertexFormat.Char);
// obj.AddNormals (null, 0); // throws NSInvalidArgumentException, need to figure out valid arguments
// obj.AddTangentBasis ("foo", "bar", "zap"); // throws "Need float or half UV components Need float or half UV components"
// obj.AddTangentBasisWithNormals ("foo", "bar", "zap"); // throws "Need float or half UV components Reason: Need float or half UV components"
dummy = obj.BoundingBox;
// obj.GenerateAmbientOcclusionTexture (1, 1, new MDLObject [] { }, "name", "name");
// obj.GenerateAmbientOcclusionVertexColors (1, 1, new MDLObject[] {}, "name");
// obj.GenerateAmbientOcclusionVertexColors (1.1, 1, new MDLObject[] [] { }, "name");
// obj.GenerateLightMapTexture (Vector2i.Zero, new MDLLight[] {}, new MDLObject[] {}, "str", "str");
// obj.GenerateLightMapVertexColors (new MDLLight[] { }, new MDLObject[] { }, "v");
obj.MakeVerticesUnique();
dummy = obj.Submeshes;
dummy = obj.VertexBuffers;
dummy = obj.VertexCount;
dummy = obj.VertexDescriptor;
}
using (var obj = MDLMesh.CreateCylindroid(1, Vector2.Zero, 3, 0, MDLGeometryType.Triangles, false, null)) {
}
using (var obj = MDLMesh.CreateEllipsoid(Vector3.Zero, 3, 2, MDLGeometryType.Triangles, false, false, null)) {
}
using (var obj = MDLMesh.CreateEllipticalCone(0, Vector2.Zero, 3, 1, MDLGeometryType.Triangles, false, null)) {
}
using (var obj = MDLMesh.CreateIcosahedron(0, false, null)) {
}
using (var obj = MDLMesh.CreatePlane(new Vector2(1, 1), new Vector2i(1, 1), MDLGeometryType.Triangles, null)) {
}
using (var obj = MDLMesh.CreateSphere(new Vector3(1, 2, 3), new Vector2i(4, 5), MDLGeometryType.Triangles, true, null)) {
}
using (var obj = MDLMesh.CreateHemisphere(new Vector3(1, 2, 3), new Vector2i(4, 5), MDLGeometryType.Triangles, true, true, null)) {
}
using (var obj = MDLMesh.CreateCapsule(new Vector3(1, 2, 3), new Vector2i(4, 5), MDLGeometryType.Triangles, true, 10, null)) {
}
using (var obj = MDLMesh.CreateCone(new Vector3(1, 2, 3), new Vector2i(4, 5), MDLGeometryType.Triangles, true, true, null)) {
}
// using (var obj = MDLMesh.CreateSubdividedMesh (new MDLMesh (), 0, 0)) {
// }
}
#endif
}
public void CreateBoxWithDimensonTest()
{
Vector3 V3 = new Vector3(1, 2, 3);
Vector3i V3i = new Vector3i(4, 5, 6);
using (var obj = MDLMesh.CreateBox(V3, V3i, MDLGeometryType.Triangles, true, null)) {
Assert.IsNotNull(obj, "obj");
Asserts.AreEqual(new MDLAxisAlignedBoundingBox {
MaxBounds = new Vector3(0.5f, 1, 1.5f), MinBounds = new Vector3(-0.5f, -1, -1.5f)
}, obj.BoundingBox, "BoundingBox");
Assert.AreEqual(1, obj.Submeshes.Count, "Submeshes Count");
Assert.AreEqual(1, obj.VertexBuffers.Length, "VertexBuffers Count");
Assert.AreEqual(TestRuntime.CheckXcodeVersion(7, 3) ? 214 : 24, obj.VertexCount, "VertexCount");
Assert.AreEqual(31, obj.VertexDescriptor.Attributes.Count, "VertexDescriptor Attributes Count");
Assert.AreEqual(31, obj.VertexDescriptor.Layouts.Count, "VertexDescriptor Layouts Count");
}
}
public void CreateBoxTest()
{
Vector3 V3 = new Vector3(1, 2, 3);
Vector3i V3i = new Vector3i(4, 5, 6);
using (var obj = MDLMesh.CreateBox(V3, V3i, MDLGeometryType.Triangles, true, null)) {
Assert.IsNotNull(obj, "obj");
Asserts.AreEqual(new MDLAxisAlignedBoundingBox {
MaxBounds = new Vector3(0.5f, 1, 1.5f), MinBounds = new Vector3(-0.5f, -1, -1.5f)
}, obj.BoundingBox, "BoundingBox");
Assert.AreEqual(1, obj.Submeshes.Count, "Submeshes Count");
Assert.AreEqual(1, obj.VertexBuffers.Length, "VertexBuffers Count");
// iOS 9.3 is the basis of tvOS 9.2 (hopefully they'll get in sync with iOS 10+)
#if __TVOS__
bool nine3 = UIDevice.CurrentDevice.CheckSystemVersion(9, 2);
#else
bool nine3 = UIDevice.CurrentDevice.CheckSystemVersion(9, 3);
#endif
Assert.AreEqual(nine3 ? 214 : 24, obj.VertexCount, "VertexCount");
Assert.AreEqual(31, obj.VertexDescriptor.Attributes.Count, "VertexDescriptor Attributes Count");
Assert.AreEqual(31, obj.VertexDescriptor.Layouts.Count, "VertexDescriptor Layouts Count");
}
}