public MTLSampler(ref SamplerDescription description, MTLGraphicsDevice gd) { MTLFormats.GetMinMagMipFilter( description.Filter, out MTLSamplerMinMagFilter min, out MTLSamplerMinMagFilter mag, out MTLSamplerMipFilter mip); MTLSamplerDescriptor mtlDesc = MTLSamplerDescriptor.New(); mtlDesc.sAddressMode = MTLFormats.VdToMTLAddressMode(description.AddressModeU); mtlDesc.tAddressMode = MTLFormats.VdToMTLAddressMode(description.AddressModeV); mtlDesc.rAddressMode = MTLFormats.VdToMTLAddressMode(description.AddressModeW); mtlDesc.minFilter = min; mtlDesc.magFilter = mag; mtlDesc.mipFilter = mip; if (gd.MetalFeatures.IsMacOS) { mtlDesc.borderColor = MTLFormats.VdToMTLBorderColor(description.BorderColor); } if (description.ComparisonKind != null) { mtlDesc.compareFunction = MTLFormats.VdToMTLCompareFunction(description.ComparisonKind.Value); } mtlDesc.lodMinClamp = description.MinimumLod; mtlDesc.lodMaxClamp = description.MaximumLod; mtlDesc.maxAnisotropy = (UIntPtr)(Math.Max(1, description.MaximumAnisotropy)); DeviceSampler = gd.Device.newSamplerStateWithDescriptor(mtlDesc); ObjectiveCRuntime.release(mtlDesc.NativePtr); }
public AmtSampler(IMTLDevice mDevice, MgSamplerCreateInfo pCreateInfo) { if (pCreateInfo == null) { throw new ArgumentNullException(nameof(pCreateInfo)); } var descriptor = new MTLSamplerDescriptor { SAddressMode = TranslateAddressMode(pCreateInfo.AddressModeU), TAddressMode = TranslateAddressMode(pCreateInfo.AddressModeV), RAddressMode = TranslateAddressMode(pCreateInfo.AddressModeW), MinFilter = TranslateMinFilter(pCreateInfo.MinFilter), MagFilter = TranslateMagFilter(pCreateInfo.MagFilter), MipFilter = TranslateMipFilter(pCreateInfo.MipmapMode), LodMinClamp = pCreateInfo.MinLod, LodMaxClamp = pCreateInfo.MaxLod, MaxAnisotropy = (nuint)pCreateInfo.MaxAnisotropy, CompareFunction = TranslateCompareFunction(pCreateInfo.CompareOp), NormalizedCoordinates = !pCreateInfo.UnnormalizedCoordinates, }; Sampler = mDevice.CreateSamplerState(descriptor); }
public override void ViewDidLoad() { base.ViewDidLoad(); // Set the view to use the default device device = MTLDevice.SystemDefault; if (device == null) { Console.WriteLine("Metal is not supported on this device"); View = new NSView(View.Frame); } // Create a new command queue commandQueue = device.CreateCommandQueue(); // Load all the shader files with a metal file extension in the project defaultLibrary = device.CreateDefaultLibrary(); // Setup view view = (MTKView)View; view.Delegate = this; view.Device = device; view.SampleCount = 1; view.DepthStencilPixelFormat = MTLPixelFormat.Depth32Float_Stencil8; view.ColorPixelFormat = MTLPixelFormat.BGRA8Unorm; view.PreferredFramesPerSecond = 60; view.ClearColor = new MTLClearColor(0.5f, 0.5f, 0.5f, 1.0f); // Load the vertex program into the library IMTLFunction vertexProgram = defaultLibrary.CreateFunction("quad_vertex"); // Load the fragment program into the library IMTLFunction fragmentProgram = defaultLibrary.CreateFunction("quad_fragment"); // Create a vertex descriptor from the MTKMesh MTLVertexDescriptor vertexDescriptor = new MTLVertexDescriptor(); vertexDescriptor.Attributes[0].Format = MTLVertexFormat.Float4; vertexDescriptor.Attributes[0].BufferIndex = 0; vertexDescriptor.Attributes[0].Offset = 0; vertexDescriptor.Attributes[1].Format = MTLVertexFormat.Float2; vertexDescriptor.Attributes[1].BufferIndex = 0; vertexDescriptor.Attributes[1].Offset = 4 * sizeof(float); vertexDescriptor.Layouts[0].Stride = 6 * sizeof(float); vertexDescriptor.Layouts[0].StepRate = 1; vertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex; this.vertexBuffer = device.CreateBuffer(vertexData, MTLResourceOptions.CpuCacheModeDefault);// (MTLResourceOptions)0); this.mipmapping = 0; this.constantBuffer = device.CreateBuffer(sizeof(float), MTLResourceOptions.CpuCacheModeDefault); SetConstantBuffer(this.mipmapping, constantBuffer); // Create a reusable pipeline state var pipelineStateDescriptor = new MTLRenderPipelineDescriptor { SampleCount = view.SampleCount, VertexFunction = vertexProgram, FragmentFunction = fragmentProgram, VertexDescriptor = vertexDescriptor, DepthAttachmentPixelFormat = view.DepthStencilPixelFormat, StencilAttachmentPixelFormat = view.DepthStencilPixelFormat }; pipelineStateDescriptor.ColorAttachments[0].PixelFormat = view.ColorPixelFormat; NSError error; 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); // Texture KTX NSUrl url = NSBundle.MainBundle.GetUrlForResource("crate", "ktx"); MTKTextureLoader mTKTextureLoader = new MTKTextureLoader(device); this.texture = mTKTextureLoader.FromUrl(url, new MTKTextureLoaderOptions(), out error); Console.WriteLine("Failed to created pipeline state, error {0}", error); MTLSamplerDescriptor samplerDescriptor = new MTLSamplerDescriptor() { MinFilter = MTLSamplerMinMagFilter.Linear, MagFilter = MTLSamplerMinMagFilter.Linear, MipFilter = MTLSamplerMipFilter.Linear, SAddressMode = MTLSamplerAddressMode.ClampToEdge, TAddressMode = MTLSamplerAddressMode.ClampToEdge, }; this.sampler = device.CreateSamplerState(samplerDescriptor); this.clock = new System.Diagnostics.Stopwatch(); this.clock.Start(); this.time = 0; }
public override void ViewDidLoad() { base.ViewDidLoad(); // Set the view to use the default device device = MTLDevice.SystemDefault; if (device == null) { Console.WriteLine("Metal is not supported on this device"); View = new NSView(View.Frame); } // Create a new command queue commandQueue = device.CreateCommandQueue(); // Load all the shader files with a metal file extension in the project defaultLibrary = device.CreateDefaultLibrary(); // Setup view mtkView = (MTKView)View; mtkView.Delegate = this; mtkView.Device = device; mtkView.SampleCount = 1; mtkView.DepthStencilPixelFormat = MTLPixelFormat.Depth32Float_Stencil8; mtkView.ColorPixelFormat = MTLPixelFormat.BGRA8Unorm; mtkView.PreferredFramesPerSecond = 60; mtkView.ClearColor = new MTLClearColor(0.5f, 0.5f, 0.5f, 1.0f); // Load the vertex program into the library IMTLFunction triangleVertexProgram = defaultLibrary.CreateFunction("triangle_vertex"); IMTLFunction cubeVertexProgram = defaultLibrary.CreateFunction("cube_vertex"); // Load the fragment program into the library IMTLFunction triangleFragmentProgram = defaultLibrary.CreateFunction("triangle_fragment"); IMTLFunction cubeFragmentProgram = defaultLibrary.CreateFunction("cube_fragment"); // Triangle vertex descriptor MTLVertexDescriptor triangleVertexDescriptor = new MTLVertexDescriptor(); triangleVertexDescriptor.Attributes[0].Format = MTLVertexFormat.Float4; triangleVertexDescriptor.Attributes[0].BufferIndex = 0; triangleVertexDescriptor.Attributes[0].Offset = 0; triangleVertexDescriptor.Attributes[1].Format = MTLVertexFormat.Float4; triangleVertexDescriptor.Attributes[1].BufferIndex = 0; triangleVertexDescriptor.Attributes[1].Offset = 4 * sizeof(float); triangleVertexDescriptor.Layouts[0].Stride = 8 * sizeof(float); triangleVertexDescriptor.Layouts[0].StepRate = 1; triangleVertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex; // Cube vertex descriptor MTLVertexDescriptor cubeVertexDescriptor = new MTLVertexDescriptor(); cubeVertexDescriptor.Attributes[0].Format = MTLVertexFormat.Float4; cubeVertexDescriptor.Attributes[0].BufferIndex = 0; cubeVertexDescriptor.Attributes[0].Offset = 0; cubeVertexDescriptor.Attributes[1].Format = MTLVertexFormat.Float2; cubeVertexDescriptor.Attributes[1].BufferIndex = 0; cubeVertexDescriptor.Attributes[1].Offset = 4 * sizeof(float); cubeVertexDescriptor.Layouts[0].Stride = 6 * sizeof(float); cubeVertexDescriptor.Layouts[0].StepRate = 1; cubeVertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex; // Create buffers triangleVertexBuffer = device.CreateBuffer(triangleVertexData, MTLResourceOptions.CpuCacheModeDefault); cubeVertexBuffer = device.CreateBuffer(cubeVertexData, MTLResourceOptions.CpuCacheModeDefault); this.clock = new System.Diagnostics.Stopwatch(); clock.Start(); this.view = CreateLookAt(new Vector3(0, 0, 5), new Vector3(0, 0, 0), Vector3.UnitY); var aspect = (float)(View.Bounds.Size.Width / View.Bounds.Size.Height); this.proj = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, aspect, 0.1f, 100); this.cubeParameters.WorldViewProjection = Matrix4.Identity; cubeConstantBuffer = device.CreateBuffer((uint)Marshal.SizeOf(this.cubeParameters), MTLResourceOptions.CpuCacheModeDefault); // Create Pipeline Descriptor var trianglePipelineStateDescriptor = new MTLRenderPipelineDescriptor { SampleCount = mtkView.SampleCount, VertexFunction = triangleVertexProgram, FragmentFunction = triangleFragmentProgram, VertexDescriptor = triangleVertexDescriptor, DepthAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, StencilAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, }; var cubePipelineStateDescriptor = new MTLRenderPipelineDescriptor { SampleCount = mtkView.SampleCount, VertexFunction = cubeVertexProgram, FragmentFunction = cubeFragmentProgram, VertexDescriptor = cubeVertexDescriptor, DepthAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, StencilAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, }; MTLRenderPipelineColorAttachmentDescriptor triangleRenderBufferAttachment = trianglePipelineStateDescriptor.ColorAttachments[0]; triangleRenderBufferAttachment.PixelFormat = mtkView.ColorPixelFormat; MTLRenderPipelineColorAttachmentDescriptor cubeRenderBufferAttachment = cubePipelineStateDescriptor.ColorAttachments[0]; cubeRenderBufferAttachment.PixelFormat = mtkView.ColorPixelFormat; NSError error; trianglePipelineState = device.CreateRenderPipelineState(trianglePipelineStateDescriptor, out error); if (trianglePipelineState == null) { Console.WriteLine("Failed to created pipeline state, error {0}", error); } cubePipelineState = device.CreateRenderPipelineState(cubePipelineStateDescriptor, out error); if (cubePipelineState == null) { Console.WriteLine("Failed to created pipeline state, error {0}", error); } var depthStencilDescriptor = new MTLDepthStencilDescriptor { DepthCompareFunction = MTLCompareFunction.Less, DepthWriteEnabled = true }; depthStencilState = device.CreateDepthStencilState(depthStencilDescriptor); // Texture NSImage image = NSImage.ImageNamed("crate.png"); MTKTextureLoader mTKTextureLoader = new MTKTextureLoader(device); this.cubeTexture = mTKTextureLoader.FromCGImage(image.CGImage, new MTKTextureLoaderOptions(), out error); MTLSamplerDescriptor samplerDescriptor = new MTLSamplerDescriptor() { MinFilter = MTLSamplerMinMagFilter.Linear, MagFilter = MTLSamplerMinMagFilter.Linear, SAddressMode = MTLSamplerAddressMode.Repeat, TAddressMode = MTLSamplerAddressMode.Repeat, }; this.sampler = device.CreateSamplerState(samplerDescriptor); // Create FrameBuffer texture IMTLTexture drawableTexture = mtkView.CurrentDrawable.Texture; MTLTextureDescriptor textureDescriptor = new MTLTextureDescriptor() { Width = drawableTexture.Width, Height = drawableTexture.Height, PixelFormat = drawableTexture.PixelFormat, TextureType = drawableTexture.TextureType, MipmapLevelCount = drawableTexture.MipmapLevelCount, ArrayLength = drawableTexture.ArrayLength, SampleCount = drawableTexture.SampleCount, Depth = drawableTexture.Depth, CpuCacheMode = drawableTexture.CpuCacheMode, Usage = MTLTextureUsage.RenderTarget, StorageMode = MTLStorageMode.Managed, }; this.colorFrameBufferTexture = device.CreateTexture(textureDescriptor); }
public void ReturnReleaseTest() { // This test tries to exercise all the Metal API that has a // ReturnRelease attribute. To test that the attribute does the // right thing: run the test app using instruments, run the test // several times by tapping on it, and do a heap mark between each // test. Then verify that there's at least one heap shot with 0 // memory increase, which means that nothing is leaking. var device = MTLDevice.SystemDefault; IntPtr buffer_mem; int buffer_length; bool freed; byte [] buffer_bytes; // some older hardware won't have a default if (device == null) { Assert.Inconclusive("Metal is not supported"); } // Apple claims that "Indirect command buffers" are available with MTLGPUFamilyCommon2, but it crashes on at least one machine. // Log what the current device supports, just to have it in the log. foreach (MTLFeatureSet fs in Enum.GetValues(typeof(MTLFeatureSet))) { Console.WriteLine($"This device supports feature set: {fs}: {device.SupportsFeatureSet (fs)}"); } if (TestRuntime.CheckXcodeVersion(11, 0)) { foreach (MTLGpuFamily gf in Enum.GetValues(typeof(MTLGpuFamily))) { Console.WriteLine($"This device supports Gpu family: {gf}: {device.SupportsFamily (gf)}"); } } string metal_code = File.ReadAllText(Path.Combine(NSBundle.MainBundle.ResourcePath, "metal-sample.metal")); string metallib_path = Path.Combine(NSBundle.MainBundle.ResourcePath, "default.metallib"); string fragmentshader_path = Path.Combine(NSBundle.MainBundle.ResourcePath, "fragmentShader.metallib"); #if !__MACOS__ && !__MACCATALYST__ if (Runtime.Arch == Arch.SIMULATOR) { Assert.Ignore("Metal isn't available in the simulator"); } #endif using (var hd = new MTLHeapDescriptor()) { hd.CpuCacheMode = MTLCpuCacheMode.DefaultCache; hd.StorageMode = MTLStorageMode.Private; using (var txt = MTLTextureDescriptor.CreateTexture2DDescriptor(MTLPixelFormat.RGBA8Unorm, 40, 40, false)) { var sa = device.GetHeapTextureSizeAndAlign(txt); hd.Size = sa.Size; using (var heap = device.CreateHeap(hd)) { Assert.IsNotNull(heap, $"NonNullHeap"); } } } using (var queue = device.CreateCommandQueue()) { Assert.IsNotNull(queue, "Queue: NonNull 1"); } #if __MACOS__ if (TestRuntime.CheckXcodeVersion(10, 0) && device.SupportsFeatureSet(MTLFeatureSet.macOS_GPUFamily2_v1)) { using (var descriptor = MTLTextureDescriptor.CreateTexture2DDescriptor(MTLPixelFormat.RGBA8Unorm, 64, 64, false)) { descriptor.StorageMode = MTLStorageMode.Private; using (var texture = device.CreateSharedTexture(descriptor)) { Assert.IsNotNull(texture, "CreateSharedTexture (MTLTextureDescriptor): NonNull"); using (var handle = texture.CreateSharedTextureHandle()) using (var shared = device.CreateSharedTexture(handle)) Assert.IsNotNull(texture, "CreateSharedTexture (MTLSharedTextureHandle): NonNull"); } } } #endif using (var queue = device.CreateCommandQueue(10)) { Assert.IsNotNull(queue, "Queue: NonNull 2"); } using (var buffer = device.CreateBuffer(1024, MTLResourceOptions.CpuCacheModeDefault)) { Assert.IsNotNull(buffer, "CreateBuffer: NonNull 1"); } buffer_mem = AllocPageAligned(1, out buffer_length); using (var buffer = device.CreateBuffer(buffer_mem, (nuint)buffer_length, MTLResourceOptions.CpuCacheModeDefault)) { Assert.IsNotNull(buffer, "CreateBuffer: NonNull 2"); } FreePageAligned(buffer_mem, buffer_length); buffer_bytes = new byte [getpagesize()]; using (var buffer = device.CreateBuffer(buffer_bytes, MTLResourceOptions.CpuCacheModeDefault)) { Assert.IsNotNull(buffer, "CreateBuffer: NonNull 3"); } buffer_mem = AllocPageAligned(1, out buffer_length); freed = false; #if __MACOS__ var resourceOptions7 = MTLResourceOptions.StorageModeManaged; #else var resourceOptions7 = MTLResourceOptions.CpuCacheModeDefault; #endif using (var buffer = device.CreateBufferNoCopy(buffer_mem, (nuint)buffer_length, resourceOptions7, (pointer, length) => { FreePageAligned(pointer, (int)length); freed = true; })) { Assert.IsNotNull(buffer, "CreateBufferNoCopy: NonNull 1"); } Assert.IsTrue(freed, "CreateBufferNoCopy: Freed 1"); using (var descriptor = new MTLDepthStencilDescriptor()) using (var dss = device.CreateDepthStencilState(descriptor)) { Assert.IsNotNull(dss, "CreateDepthStencilState: NonNull 1"); } using (var descriptor = MTLTextureDescriptor.CreateTexture2DDescriptor(MTLPixelFormat.RGBA8Unorm, 64, 64, false)) { using (var texture = device.CreateTexture(descriptor)) Assert.NotNull(texture, "CreateTexture: NonNull 1"); using (var surface = new IOSurface.IOSurface(new IOSurface.IOSurfaceOptions { Width = 64, Height = 64, BytesPerElement = 4, })) { using (var texture = device.CreateTexture(descriptor, surface, 0)) Assert.NotNull(texture, "CreateTexture: NonNull 2"); } } using (var descriptor = new MTLSamplerDescriptor()) using (var sampler = device.CreateSamplerState(descriptor)) Assert.IsNotNull(sampler, "CreateSamplerState: NonNull 1"); using (var library = device.CreateDefaultLibrary()) Assert.IsNotNull(library, "CreateDefaultLibrary: NonNull 1"); using (var library = device.CreateLibrary(metallib_path, out var error)) { Assert.IsNotNull(library, "CreateLibrary: NonNull 1"); Assert.IsNull(error, "CreateLibrary: NonNull error 1"); } using (var data = DispatchData.FromByteBuffer(File.ReadAllBytes(metallib_path))) using (var library = device.CreateLibrary(data, out var error)) { Assert.IsNotNull(library, "CreateLibrary: NonNull 2"); Assert.IsNull(error, "CreateLibrary: NonNull error 2"); } using (var compile_options = new MTLCompileOptions()) using (var library = device.CreateLibrary(metal_code, compile_options, out var error)) { Assert.IsNotNull(library, "CreateLibrary: NonNull 3"); Assert.IsNull(error, "CreateLibrary: NonNull error 3"); } using (var compile_options = new MTLCompileOptions()) { device.CreateLibrary(metal_code, compile_options, (library, error) => { Assert.IsNotNull(library, "CreateLibrary: NonNull 4"); Assert.IsNull(error, "CreateLibrary: NonNull error 4"); }); } using (var library = device.CreateDefaultLibrary(NSBundle.MainBundle, out var error)) { Assert.IsNotNull(library, "CreateDefaultLibrary: NonNull 2"); Assert.IsNull(error, "CreateDefaultLibrary: NonNull error 2"); } using (var descriptor = new MTLRenderPipelineDescriptor()) using (var library = device.CreateDefaultLibrary()) using (var func = library.CreateFunction("vertexShader")) { descriptor.VertexFunction = func; descriptor.ColorAttachments [0].PixelFormat = MTLPixelFormat.BGRA8Unorm_sRGB; using (var rps = device.CreateRenderPipelineState(descriptor, out var error)) { Assert.IsNotNull(rps, "CreateRenderPipelineState: NonNull 1"); Assert.IsNull(error, "CreateRenderPipelineState: NonNull error 1"); } } using (var descriptor = new MTLRenderPipelineDescriptor()) using (var library = device.CreateDefaultLibrary()) using (var func = library.CreateFunction("vertexShader")) { descriptor.VertexFunction = func; descriptor.ColorAttachments [0].PixelFormat = MTLPixelFormat.BGRA8Unorm_sRGB; using (var rps = device.CreateRenderPipelineState(descriptor, MTLPipelineOption.BufferTypeInfo, out var reflection, out var error)) { Assert.IsNotNull(rps, "CreateRenderPipelineState: NonNull 2"); Assert.IsNull(error, "CreateRenderPipelineState: NonNull error 2"); Assert.IsNotNull(reflection, "CreateRenderPipelineState: NonNull reflection 2"); } } using (var library = device.CreateDefaultLibrary()) using (var func = library.CreateFunction("grayscaleKernel")) using (var cps = device.CreateComputePipelineState(func, MTLPipelineOption.ArgumentInfo, out var reflection, out var error)) { Assert.IsNotNull(cps, "CreateComputePipelineState: NonNull 1"); Assert.IsNull(error, "CreateComputePipelineState: NonNull error 1"); Assert.IsNotNull(reflection, "CreateComputePipelineState: NonNull reflection 1"); } using (var library = device.CreateDefaultLibrary()) using (var func = library.CreateFunction("grayscaleKernel")) using (var cps = device.CreateComputePipelineState(func, out var error)) { Assert.IsNotNull(cps, "CreateComputePipelineState: NonNull 2"); Assert.IsNull(error, "CreateComputePipelineState: NonNull error 2"); } using (var descriptor = new MTLComputePipelineDescriptor()) using (var library = device.CreateDefaultLibrary()) using (var func = library.CreateFunction("grayscaleKernel")) { descriptor.ComputeFunction = func; using (var cps = device.CreateComputePipelineState(descriptor, MTLPipelineOption.BufferTypeInfo, out var reflection, out var error)) { Assert.IsNotNull(cps, "CreateComputePipelineState: NonNull 3"); Assert.IsNull(error, "CreateComputePipelineState: NonNull error 3"); Assert.IsNotNull(reflection, "CreateComputePipelineState: NonNull reflection 3"); } } using (var fence = device.CreateFence()) { Assert.IsNotNull(fence, "CreateFence 1: NonNull"); } var url = "file://" + metallib_path; url = url.Replace(" ", "%20"); // url encode! using (var library = device.CreateLibrary(new NSUrl(url), out var error)) { #if NET // Looks like creating a library with a url always fails: https://forums.developer.apple.com/thread/110416 Assert.IsNotNull(library, "CreateLibrary (NSUrl, NSError): Null"); Assert.IsNull(error, "CreateLibrary (NSUrl, NSError): NonNull error"); #else // Looks like creating a library with a url always fails: https://forums.developer.apple.com/thread/110416 Assert.IsNull(library, "CreateLibrary (NSUrl, NSError): Null"); Assert.IsNotNull(error, "CreateLibrary (NSUrl, NSError): NonNull error"); #endif } using (var library = device.CreateArgumentEncoder(new MTLArgumentDescriptor [] { new MTLArgumentDescriptor() { DataType = MTLDataType.Int } })) { Assert.IsNotNull(library, "CreateArgumentEncoder (MTLArgumentDescriptor[]): NonNull"); } // Apple's charts say that "Indirect command buffers" are supported with MTLGpuFamilyCommon2 var supportsIndirectCommandBuffers = TestRuntime.CheckXcodeVersion(11, 0) && device.SupportsFamily(MTLGpuFamily.Common2); #if __MACOS__ // but something's not quite right somewhere, so on macOS verify that the device supports a bit more than what Apple says. supportsIndirectCommandBuffers &= device.SupportsFeatureSet(MTLFeatureSet.macOS_GPUFamily2_v1); #endif if (supportsIndirectCommandBuffers) { using (var descriptor = new MTLIndirectCommandBufferDescriptor()) { using (var library = device.CreateIndirectCommandBuffer(descriptor, 1, MTLResourceOptions.CpuCacheModeDefault)) { Assert.IsNotNull(library, "CreateIndirectCommandBuffer: NonNull"); } } using (var evt = device.CreateEvent()) { Assert.IsNotNull(evt, "CreateEvent: NonNull"); } using (var evt = device.CreateSharedEvent()) { Assert.IsNotNull(evt, "CreateSharedEvent: NonNull"); } using (var evt1 = device.CreateSharedEvent()) using (var evt_handle = evt1.CreateSharedEventHandle()) using (var evt = device.CreateSharedEvent(evt_handle)) { Assert.IsNotNull(evt, "CreateSharedEvent (MTLSharedEventHandle): NonNull"); } } using (var descriptor = new MTLRenderPipelineDescriptor()) using (var library = device.CreateDefaultLibrary()) using (var func = library.CreateFunction("vertexShader")) { descriptor.VertexFunction = func; descriptor.ColorAttachments [0].PixelFormat = MTLPixelFormat.BGRA8Unorm_sRGB; using (var rps = device.CreateRenderPipelineState(descriptor, MTLPipelineOption.ArgumentInfo, out var reflection, out var error)) { Assert.IsNotNull(rps, "CreateRenderPipelineState (MTLTileRenderPipelineDescriptor, MTLPipelineOption, MTLRenderPipelineReflection, NSError): NonNull"); Assert.IsNull(error, "CreateRenderPipelineState (MTLTileRenderPipelineDescriptor, MTLPipelineOption, MTLRenderPipelineReflection, NSError: NonNull error"); Assert.IsNotNull(reflection, "CreateRenderPipelineState (MTLTileRenderPipelineDescriptor, MTLPipelineOption, MTLRenderPipelineReflection, NSError): NonNull reflection"); } } using (var buffer = device.CreateBuffer(1024, MTLResourceOptions.CpuCacheModeDefault)) using (var descriptor = new MTLTextureDescriptor()) using (var texture = buffer.CreateTexture(descriptor, 0, 256)) { Assert.IsNotNull(buffer, "MTLBuffer.CreateTexture (MTLTextureDescriptor, nuint, nuint): NonNull"); } using (var descriptor = MTLTextureDescriptor.CreateTexture2DDescriptor(MTLPixelFormat.RGBA8Unorm, 64, 64, false)) using (var texture = device.CreateTexture(descriptor)) { using (var view = texture.CreateTextureView(MTLPixelFormat.RGBA8Unorm)) { Assert.IsNotNull(view, "MTLTexture.CreateTextureView (MTLPixelFormat): nonnull"); } using (var view = texture.CreateTextureView(MTLPixelFormat.RGBA8Unorm, MTLTextureType.k2D, new NSRange(0, 1), new NSRange(0, 1))) { Assert.IsNotNull(view, "MTLTexture.CreateTextureView (MTLPixelFormat, MTLTextureType, NSRange, NSRange): nonnull"); } } using (var library = device.CreateLibrary(fragmentshader_path, out var error)) { Assert.IsNull(error, "MTLFunction.CreateArgumentEncoder: library creation failure"); using (var func = library.CreateFunction("fragmentShader2")) { using (var enc = func.CreateArgumentEncoder(0)) { Assert.IsNotNull(enc, "MTLFunction.CreateArgumentEncoder (nuint): NonNull"); } using (var enc = func.CreateArgumentEncoder(0, out var reflection)) { Assert.IsNotNull(enc, "MTLFunction.CreateArgumentEncoder (nuint, MTLArgument): NonNull"); Assert.IsNotNull(reflection, "MTLFunction.CreateArgumentEncoder (nuint, MTLArgument): NonNull reflection"); } } } using (var library = device.CreateDefaultLibrary()) { using (var func = library.CreateFunction("grayscaleKernel")) { Assert.IsNotNull(func, "CreateFunction (string): nonnull"); } if (TestRuntime.CheckXcodeVersion(9, 0)) // MTLFunctionConstantValues didn't have a default ctor until Xcode 9. { using (var constants = new MTLFunctionConstantValues()) using (var func = library.CreateFunction("grayscaleKernel", constants, out var error)) { Assert.IsNotNull(func, "CreateFunction (string, MTLFunctionConstantValues, NSError): nonnull"); Assert.IsNull(error, "CreateFunction (string, MTLFunctionConstantValues, NSError): null error"); } } } using (var hd = new MTLHeapDescriptor()) { hd.CpuCacheMode = MTLCpuCacheMode.DefaultCache; hd.StorageMode = MTLStorageMode.Private; using (var txt = MTLTextureDescriptor.CreateTexture2DDescriptor(MTLPixelFormat.RGBA8Unorm, 40, 40, false)) { var sa = device.GetHeapTextureSizeAndAlign(txt); hd.Size = sa.Size; using (var heap = device.CreateHeap(hd)) using (var buffer = heap.CreateBuffer(1024, MTLResourceOptions.StorageModePrivate)) { Assert.IsNotNull(buffer, "MTLHeap.CreateBuffer (nuint, MTLResourceOptions): nonnull"); } } } using (var hd = new MTLHeapDescriptor()) { hd.CpuCacheMode = MTLCpuCacheMode.DefaultCache; #if __MACOS__ || __MACCATALYST__ hd.StorageMode = MTLStorageMode.Private; #else hd.StorageMode = MTLStorageMode.Shared; #endif using (var txt = MTLTextureDescriptor.CreateTexture2DDescriptor(MTLPixelFormat.RGBA8Unorm, 40, 40, false)) { var sa = device.GetHeapTextureSizeAndAlign(txt); hd.Size = sa.Size; using (var heap = device.CreateHeap(hd)) { #if __MACOS__ || __MACCATALYST__ txt.StorageMode = MTLStorageMode.Private; #endif using (var texture = heap.CreateTexture(txt)) { Assert.IsNotNull(texture, "MTLHeap.CreateTexture (MTLTextureDescriptor): nonnull"); } } } } using (var scope = MTLCaptureManager.Shared.CreateNewCaptureScope(device)) { Assert.IsNotNull(scope, "MTLCaptureManager.CreateNewCaptureScope (MTLDevice): nonnull"); } using (var queue = device.CreateCommandQueue()) using (var scope = MTLCaptureManager.Shared.CreateNewCaptureScope(queue)) { Assert.IsNotNull(scope, "MTLCaptureManager.CreateNewCaptureScope (MTLCommandQueue): nonnull"); } TestRuntime.AssertXcodeVersion(10, 0); using (var evt = device.CreateSharedEvent()) using (var shared = evt.CreateSharedEventHandle()) { Assert.IsNotNull(shared, "MTLSharedEvent.CreateSharedEvent: NonNull"); } }
public override void ViewDidLoad() { base.ViewDidLoad(); // Set the view to use the default device device = MTLDevice.SystemDefault; if (device == null) { Console.WriteLine("Metal is not supported on this device"); View = new NSView(View.Frame); } // Create a new command queue commandQueue = device.CreateCommandQueue(); // Load all the shader files with a metal file extension in the project defaultLibrary = device.CreateDefaultLibrary(); // Setup view mtkView = (MTKView)View; mtkView.Delegate = this; mtkView.Device = device; mtkView.SampleCount = 1; mtkView.DepthStencilPixelFormat = MTLPixelFormat.Depth32Float_Stencil8; mtkView.ColorPixelFormat = MTLPixelFormat.BGRA8Unorm; mtkView.PreferredFramesPerSecond = 60; mtkView.ClearColor = new MTLClearColor(0.5f, 0.5f, 0.5f, 1.0f); // Load the vertex program into the library IMTLFunction vertexProgram = defaultLibrary.CreateFunction("cube_vertex"); // Load the fragment program into the library IMTLFunction fragmentProgram = defaultLibrary.CreateFunction("cube_fragment"); // Create a vertex descriptor from the MTKMesh MTLVertexDescriptor vertexDescriptor = new MTLVertexDescriptor(); vertexDescriptor.Attributes[0].Format = MTLVertexFormat.Float4; vertexDescriptor.Attributes[0].BufferIndex = 0; vertexDescriptor.Attributes[0].Offset = 0; vertexDescriptor.Attributes[1].Format = MTLVertexFormat.Float3; vertexDescriptor.Attributes[1].BufferIndex = 0; vertexDescriptor.Attributes[1].Offset = 4 * sizeof(float); vertexDescriptor.Attributes[2].Format = MTLVertexFormat.Float2; vertexDescriptor.Attributes[2].BufferIndex = 0; vertexDescriptor.Attributes[2].Offset = 7 * sizeof(float); vertexDescriptor.Layouts[0].Stride = 9 * sizeof(float); vertexDescriptor.Layouts[0].StepRate = 1; vertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex; // Primitive Torus(1.0f, 0.3f, 28, out List <PositionNormalTexture> vertexData, out List <ushort> indexData); vertexBuffer = device.CreateBuffer(vertexData.ToArray(), MTLResourceOptions.CpuCacheModeDefault);// (MTLResourceOptions)0); indexDataArray = indexData.ToArray(); indexBuffer = device.CreateBuffer(indexDataArray, MTLResourceOptions.CpuCacheModeDefault); // Use clock this.clock = new System.Diagnostics.Stopwatch(); clock.Start(); Vector3 cameraPosition = new Vector3(0, 0, 1.5f); this.view = CreateLookAt(cameraPosition, new Vector3(0, 0, 0), Vector3.UnitY); var aspect = (float)(View.Bounds.Size.Width / View.Bounds.Size.Height); proj = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, aspect, 0.1f, 100); // Constant Buffer this.param = new Parameters() { CameraPosition = cameraPosition, WorldViewProjection = Matrix4.Identity, World = Matrix4.Identity, WorldInverseTranspose = Matrix4.Identity, }; this.constantBuffer = device.CreateBuffer((uint)Marshal.SizeOf(this.param), MTLResourceOptions.CpuCacheModeDefault); // Create a reusable pipeline state var pipelineStateDescriptor = new MTLRenderPipelineDescriptor { SampleCount = mtkView.SampleCount, VertexFunction = vertexProgram, FragmentFunction = fragmentProgram, VertexDescriptor = vertexDescriptor, DepthAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, StencilAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, }; MTLRenderPipelineColorAttachmentDescriptor renderBufferAttachment = pipelineStateDescriptor.ColorAttachments[0]; renderBufferAttachment.PixelFormat = mtkView.ColorPixelFormat; NSError error; 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); MTKTextureLoader mTKTextureLoader = new MTKTextureLoader(device); // Texture NSUrl url = NSBundle.MainBundle.GetUrlForResource("cubemap2", "ktx"); this.texture = mTKTextureLoader.FromUrl(url, new MTKTextureLoaderOptions(), out error); Console.WriteLine("Failed to created pipeline state, error {0}", error); MTLSamplerDescriptor samplerDescriptor = new MTLSamplerDescriptor() { MinFilter = MTLSamplerMinMagFilter.Linear, MagFilter = MTLSamplerMinMagFilter.Linear, MipFilter = MTLSamplerMipFilter.Linear, SAddressMode = MTLSamplerAddressMode.ClampToEdge, TAddressMode = MTLSamplerAddressMode.ClampToEdge, }; this.sampler = device.CreateSamplerState(samplerDescriptor); }
public override void ViewDidLoad() { base.ViewDidLoad(); // Set the view to use the default device device = MTLDevice.SystemDefault; if (device == null) { Console.WriteLine("Metal is not supported on this device"); View = new NSView(View.Frame); } // Create a new command queue commandQueue = device.CreateCommandQueue(); // Load all the shader files with a metal file extension in the project defaultLibrary = device.CreateDefaultLibrary(); // Setup view mtkView = (MTKView)View; mtkView.Delegate = this; mtkView.Device = device; mtkView.SampleCount = 1; mtkView.DepthStencilPixelFormat = MTLPixelFormat.Depth32Float_Stencil8; mtkView.ColorPixelFormat = MTLPixelFormat.BGRA8Unorm; mtkView.PreferredFramesPerSecond = 60; mtkView.ClearColor = new MTLClearColor(0.5f, 0.5f, 0.5f, 1.0f); // Load the vertex program into the library IMTLFunction vertexProgram = defaultLibrary.CreateFunction("mesh_vertex"); // Load the fragment program into the library IMTLFunction fragmentProgram = defaultLibrary.CreateFunction("mesh_fragment"); // Generate meshes MTKMeshBufferAllocator mtkBufferAllocator = new MTKMeshBufferAllocator(device); NSUrl url = NSBundle.MainBundle.GetUrlForResource("Fighter", "obj"); MDLAsset mdlAsset = new MDLAsset(url, new MDLVertexDescriptor(), mtkBufferAllocator); MDLObject mdlObject = mdlAsset.GetObject(0); MDLMesh mdlMesh = mdlObject as MDLMesh; NSError error; objMesh = new MTKMesh(mdlMesh, device, out error); // Create a vertex descriptor from the MTKMesh MTLVertexDescriptor vertexDescriptor = MTLVertexDescriptor.FromModelIO(objMesh.VertexDescriptor); vertexDescriptor.Layouts[0].StepRate = 1; vertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex; this.clock = new System.Diagnostics.Stopwatch(); clock.Start(); this.view = CreateLookAt(new Vector3(0, 1, 2), new Vector3(0, 0, 0), Vector3.UnitY); var aspect = (float)(View.Bounds.Size.Width / View.Bounds.Size.Height); this.proj = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, aspect, 0.1f, 100); this.constantBuffer = device.CreateBuffer((uint)Marshal.SizeOf(this.param), MTLResourceOptions.CpuCacheModeDefault); // Create a reusable pipeline state var pipelineStateDescriptor = new MTLRenderPipelineDescriptor { SampleCount = mtkView.SampleCount, VertexFunction = vertexProgram, FragmentFunction = fragmentProgram, VertexDescriptor = vertexDescriptor, DepthAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, StencilAttachmentPixelFormat = mtkView.DepthStencilPixelFormat }; pipelineStateDescriptor.ColorAttachments[0].PixelFormat = mtkView.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); NSImage image = NSImage.ImageNamed("Fighter_Diffuse.jpg"); MTKTextureLoader mTKTextureLoader = new MTKTextureLoader(device); this.texture = mTKTextureLoader.FromCGImage(image.CGImage, new MTKTextureLoaderOptions(), out error); MTLSamplerDescriptor samplerDescriptor = new MTLSamplerDescriptor() { MinFilter = MTLSamplerMinMagFilter.Linear, MagFilter = MTLSamplerMinMagFilter.Linear, SAddressMode = MTLSamplerAddressMode.ClampToEdge, TAddressMode = MTLSamplerAddressMode.ClampToEdge, }; this.sampler = device.CreateSamplerState(samplerDescriptor); }
public override void ViewDidLoad() { base.ViewDidLoad(); // Set the view to use the default device device = MTLDevice.SystemDefault; if (device == null) { Console.WriteLine("Metal is not supported on this device"); View = new NSView(View.Frame); } // Create a new command queue commandQueue = device.CreateCommandQueue(); // Load all the shader files with a metal file extension in the project defaultLibrary = device.CreateDefaultLibrary(); // Setup view mtkView = (MTKView)View; mtkView.Delegate = this; mtkView.Device = device; mtkView.SampleCount = 1; mtkView.DepthStencilPixelFormat = MTLPixelFormat.Depth32Float_Stencil8; mtkView.ColorPixelFormat = MTLPixelFormat.BGRA8Unorm; mtkView.PreferredFramesPerSecond = 60; mtkView.ClearColor = new MTLClearColor(0.5f, 0.5f, 0.5f, 1.0f); // Load the vertex program into the library IMTLFunction vertexProgram = defaultLibrary.CreateFunction("cube_vertex"); // Load the fragment program into the library IMTLFunction fragmentProgram = defaultLibrary.CreateFunction("cube_fragment"); // Create a vertex descriptor from the MTKMesh MTLVertexDescriptor vertexDescriptor = new MTLVertexDescriptor(); vertexDescriptor.Attributes[0].Format = MTLVertexFormat.Float4; vertexDescriptor.Attributes[0].BufferIndex = 0; vertexDescriptor.Attributes[0].Offset = 0; vertexDescriptor.Attributes[1].Format = MTLVertexFormat.Float4; vertexDescriptor.Attributes[1].BufferIndex = 0; vertexDescriptor.Attributes[1].Offset = 4 * sizeof(float); vertexDescriptor.Attributes[2].Format = MTLVertexFormat.Float2; vertexDescriptor.Attributes[2].BufferIndex = 0; vertexDescriptor.Attributes[2].Offset = 8 * sizeof(float); vertexDescriptor.Layouts[0].Stride = 10 * sizeof(float); vertexDescriptor.Layouts[0].StepRate = 1; vertexDescriptor.Layouts[0].StepFunction = MTLVertexStepFunction.PerVertex; vertexBuffer = device.CreateBuffer(vertexData, MTLResourceOptions.CpuCacheModeDefault);// (MTLResourceOptions)0); this.clock = new System.Diagnostics.Stopwatch(); clock.Start(); this.view = CreateLookAt(new Vector3(0, 0, 5), new Vector3(0, 0, 0), Vector3.UnitY); var aspect = (float)(View.Bounds.Size.Width / View.Bounds.Size.Height); proj = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, aspect, 0.1f, 100); constantBuffer = device.CreateBuffer(64, MTLResourceOptions.CpuCacheModeDefault); // Create a reusable pipeline state var pipelineStateDescriptor = new MTLRenderPipelineDescriptor { SampleCount = mtkView.SampleCount, VertexFunction = vertexProgram, FragmentFunction = fragmentProgram, VertexDescriptor = vertexDescriptor, DepthAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, StencilAttachmentPixelFormat = mtkView.DepthStencilPixelFormat, }; MTLRenderPipelineColorAttachmentDescriptor renderBufferAttachment = pipelineStateDescriptor.ColorAttachments[0]; renderBufferAttachment.PixelFormat = mtkView.ColorPixelFormat; NSError error; 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); // Texture NSImage image = NSImage.ImageNamed("crate.png"); MTKTextureLoader mTKTextureLoader = new MTKTextureLoader(device); this.texture = mTKTextureLoader.FromCGImage(image.CGImage, new MTKTextureLoaderOptions(), out error); MTLSamplerDescriptor samplerDescriptor = new MTLSamplerDescriptor() { MinFilter = MTLSamplerMinMagFilter.Linear, MagFilter = MTLSamplerMinMagFilter.Linear, SAddressMode = MTLSamplerAddressMode.Repeat, TAddressMode = MTLSamplerAddressMode.Repeat, }; this.sampler = device.CreateSamplerState(samplerDescriptor); }