public MetalKitEssentialsSubmesh(MTKSubmesh mtkSubmesh, MDLSubmesh mdlSubmesh, IMTLDevice device)
{
materialUniforms = device.CreateBuffer((nuint)Marshal.SizeOf <MaterialUniforms> (), MTLResourceOptions.CpuCacheModeDefault);
var uniforms = Marshal.PtrToStructure <MaterialUniforms> (materialUniforms.Contents);
submesh = mtkSubmesh;
for (nuint i = 0; i < mdlSubmesh.Material.Count; i++)
{
MDLMaterialProperty property = ObjectAtIndexedSubscript(mdlSubmesh.Material, i);
if (property == null)
{
continue;
}
if (property.Name == "baseColorMap")
{
if (property.Type != MDLMaterialPropertyType.String)
{
continue;
}
var textureURL = new NSUrl(string.Format("file://{0}", property.StringValue));
var textureLoader = new MTKTextureLoader(device);
NSError error;
diffuseTexture = textureLoader.FromUrl(textureURL, null, out error);
if (diffuseTexture == null)
{
throw new Exception(string.Format("Diffuse texture load: {0}", error.LocalizedDescription));
}
}
else if (property.Name == "BlinnSpecularColor")
{
if (property.Type == MDLMaterialPropertyType.Float4)
{
uniforms.specularColor = property.Float4Value;
}
else if (property.Type == MDLMaterialPropertyType.Float3)
{
uniforms.specularColor = new Vector4(property.Float3Value);
}
}
else if (property.Name == "emission")
{
if (property.Type == MDLMaterialPropertyType.Float4)
{
uniforms.emissiveColor = property.Float4Value;
}
else if (property.Type == MDLMaterialPropertyType.Float3)
{
uniforms.emissiveColor = new Vector4(property.Float3Value);
}
}
}
Marshal.StructureToPtr(uniforms, materialUniforms.Contents, true);
}
public void Copy()
{
TestRuntime.AssertXcodeVersion(8, 0);
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion)) {
Assert.IsNotNull(obj.Copy());
}
}
public void Setup()
{
if (!UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
Assert.Ignore("Requires iOS9+");
}
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 = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion)) {
dummy = obj.Color;
dummy = obj.Float2Value;
dummy = obj.Float3Value;
dummy = obj.Float4Value;
dummy = obj.FloatValue;
dummy = obj.Matrix4x4;
dummy = obj.Name;
dummy = obj.Semantic;
obj.SetProperties(new MDLMaterialProperty("foo", MDLMaterialSemantic.AmbientOcclusion));
dummy = obj.StringValue;
dummy = obj.TextureSamplerValue;
dummy = obj.Type;
dummy = obj.UrlValue;
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, Vector3.Zero)) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, new MDLTextureSampler())) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, "string value")) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, new NSUrl("http://foo.com"))) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, Matrix4.Identity)) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, Vector4.Zero)) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, UIColor.Black.CGColor)) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, Vector2.Zero)) {
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, 1.23f)) {
}
}
}
public void Ctors()
{
Vector2 V2;
Vector3 V3;
Vector4 V4;
Matrix4 M4;
MDLTextureSampler tsv;
NSUrl url;
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion)) {
Assert.AreEqual(MDLMaterialSemantic.AmbientOcclusion, obj.Semantic, "1 Semantic");
Assert.IsNull(obj.Color, "1 Color");
Asserts.AreEqual(Vector2.Zero, obj.Float2Value, "1 Float2Value");
Asserts.AreEqual(Vector3.Zero, obj.Float3Value, "1 Float3Value");
Asserts.AreEqual(Vector4.Zero, obj.Float4Value, "1 Float4Value");
Assert.AreEqual(0.0f, obj.FloatValue, "1 FloatValue");
Asserts.AreEqual(Matrix4.Identity, obj.Matrix4x4, "1 Matrix4x4");
Assert.AreEqual("name", obj.Name, "1 Name");
Assert.IsNull(obj.StringValue, "1 StringValue");
Assert.IsNull(obj.TextureSamplerValue, "1 TextureSamplerValue");
Assert.AreEqual(MDLMaterialPropertyType.Float, obj.Type, "1 Type");
Assert.IsNull(obj.UrlValue, "1 UrlValue");
V2 = new Vector2(1, 2);
V3 = new Vector3(3, 4, 5);
V4 = new Vector4(6, 7, 8, 9);
M4 = new Matrix4(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
tsv = new MDLTextureSampler();
url = new NSUrl("http://xamarin.com");
obj.Semantic = MDLMaterialSemantic.Anisotropic;
Assert.AreEqual(MDLMaterialSemantic.Anisotropic, obj.Semantic, "2 Semantic");
obj.Color = UIColor.Blue.CGColor;
Assert.AreEqual(UIColor.Blue.CGColor.ToString(), obj.Color.ToString(), "2 Color");
obj.Float2Value = V2;
Asserts.AreEqual(V2, obj.Float2Value, "2 Float2Value");
obj.Float3Value = V3;
Asserts.AreEqual(V3, obj.Float3Value, "2 Float3Value");
obj.Float4Value = V4;
Asserts.AreEqual(V4, obj.Float4Value, "2 Float4Value");
obj.FloatValue = 3.14f;
Assert.AreEqual(3.14f, obj.FloatValue, "2 FloatValue");
obj.Matrix4x4 = M4;
// It looks like the Matrix4 setter is ignored, assigning a matrix
// doesn't work in Xcode either.
Asserts.AreEqual(Matrix4.Identity, obj.Matrix4x4, "2 Matrix4x4");
obj.Name = "new name";
Assert.AreEqual("new name", obj.Name, "2 Name");
obj.StringValue = "string value";
Assert.AreEqual("string value", obj.StringValue, "2 StringValue");
obj.TextureSamplerValue = tsv;
Assert.AreEqual(tsv.Handle, obj.TextureSamplerValue.Handle, "2 TextureSamplerValue");
Assert.AreEqual(MDLMaterialPropertyType.Texture, obj.Type, "2 Type");
// Looks like the URLValue can't change after construction
obj.UrlValue = url;
Assert.IsNull(obj.UrlValue, "2 UrlValue");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, url)) {
Assert.AreEqual(url.Handle, obj.UrlValue.Handle, "3 UrlValue");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, V3)) {
Asserts.AreEqual(V3, obj.Float3Value, "4 Float3Value");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, tsv)) {
Assert.AreEqual(tsv.Handle, obj.TextureSamplerValue.Handle, "5 TextureSamplerValue");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, "string value")) {
Assert.AreEqual("string value", obj.StringValue, "6 StringValue");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, M4)) {
Asserts.AreEqual(M4, obj.Matrix4x4, "7 Matrix4x4");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, V4)) {
Asserts.AreEqual(V4, obj.Float4Value, "8 Float4Value");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, UIColor.Red.CGColor)) {
Assert.AreEqual(UIColor.Blue.CGColor.ToString(), obj.Color.ToString(), "9 Color");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, V2)) {
Asserts.AreEqual(V2, obj.Float2Value, "10 Float2Value");
}
using (var obj = new MDLMaterialProperty("name", MDLMaterialSemantic.AmbientOcclusion, 3.1415f)) {
Assert.AreEqual(3.1415f, obj.FloatValue, "11 FloatValue");
}
}
