public MTLTexture(ref TextureDescription description, MTLGraphicsDevice _gd) { Width = description.Width; Height = description.Height; Depth = description.Depth; ArrayLayers = description.ArrayLayers; MipLevels = description.MipLevels; Format = description.Format; Usage = description.Usage; Type = description.Type; SampleCount = description.SampleCount; bool isDepth = (Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil; MTLPixelFormat = MTLFormats.VdToMTLPixelFormat(Format, isDepth); MTLTextureType = MTLFormats.VdToMTLTextureType( Type, ArrayLayers, SampleCount != TextureSampleCount.Count1, (Usage & TextureUsage.Cubemap) != 0); if (Usage != TextureUsage.Staging) { MTLTextureDescriptor texDescriptor = MTLTextureDescriptor.New(); texDescriptor.width = (UIntPtr)Width; texDescriptor.height = (UIntPtr)Height; texDescriptor.depth = (UIntPtr)Depth; texDescriptor.mipmapLevelCount = (UIntPtr)MipLevels; texDescriptor.arrayLength = (UIntPtr)ArrayLayers; texDescriptor.sampleCount = (UIntPtr)FormatHelpers.GetSampleCountUInt32(SampleCount); texDescriptor.textureType = MTLTextureType; texDescriptor.pixelFormat = MTLPixelFormat; texDescriptor.textureUsage = MTLFormats.VdToMTLTextureUsage(Usage); texDescriptor.storageMode = MTLStorageMode.Private; DeviceTexture = _gd.Device.newTextureWithDescriptor(texDescriptor); ObjectiveCRuntime.release(texDescriptor.NativePtr); } else { uint blockSize = FormatHelpers.IsCompressedFormat(Format) ? 4u : 1u; uint totalStorageSize = 0; for (uint level = 0; level < MipLevels; level++) { Util.GetMipDimensions(this, level, out uint levelWidth, out uint levelHeight, out uint levelDepth); uint storageWidth = Math.Max(levelWidth, blockSize); uint storageHeight = Math.Max(levelHeight, blockSize); totalStorageSize += levelDepth * FormatHelpers.GetDepthPitch( FormatHelpers.GetRowPitch(levelWidth, Format), levelHeight, Format); } totalStorageSize *= ArrayLayers; StagingBuffer = _gd.Device.newBufferWithLengthOptions( (UIntPtr)totalStorageSize, MTLResourceOptions.StorageModeShared); } }
public D3D11Texture(Device device, ref TextureDescription description) { _device = device; Width = description.Width; Height = description.Height; Depth = description.Depth; MipLevels = description.MipLevels; ArrayLayers = description.ArrayLayers; Format = description.Format; Usage = description.Usage; Type = description.Type; SampleCount = description.SampleCount; DxgiFormat = D3D11Formats.ToDxgiFormat( description.Format, (description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil); CpuAccessFlags cpuFlags = CpuAccessFlags.None; ResourceUsage resourceUsage = ResourceUsage.Default; BindFlags bindFlags = BindFlags.None; ResourceOptionFlags optionFlags = ResourceOptionFlags.None; if ((description.Usage & TextureUsage.RenderTarget) == TextureUsage.RenderTarget) { bindFlags |= BindFlags.RenderTarget; } if ((description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil) { bindFlags |= BindFlags.DepthStencil; } if ((description.Usage & TextureUsage.Sampled) == TextureUsage.Sampled) { bindFlags |= BindFlags.ShaderResource; } if ((description.Usage & TextureUsage.Storage) == TextureUsage.Storage) { bindFlags |= BindFlags.UnorderedAccess; } if ((description.Usage & TextureUsage.Staging) == TextureUsage.Staging) { cpuFlags = CpuAccessFlags.Read | CpuAccessFlags.Write; resourceUsage = ResourceUsage.Staging; } if ((description.Usage & TextureUsage.GenerateMipmaps) != 0) { bindFlags |= BindFlags.RenderTarget | BindFlags.ShaderResource; optionFlags |= ResourceOptionFlags.GenerateMipMaps; } int arraySize = (int)description.ArrayLayers; if ((description.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap) { optionFlags = ResourceOptionFlags.TextureCube; arraySize *= 6; } if (Type == TextureType.Texture1D) { Texture1DDescription desc1D = new Texture1DDescription() { Width = (int)description.Width, MipLevels = (int)description.MipLevels, ArraySize = arraySize, Format = DxgiFormat, BindFlags = bindFlags, CpuAccessFlags = cpuFlags, Usage = resourceUsage, OptionFlags = optionFlags, }; DeviceTexture = new Texture1D(device, desc1D); } else if (Type == TextureType.Texture2D) { Texture2DDescription deviceDescription = new Texture2DDescription() { Width = (int)description.Width, Height = (int)description.Height, MipLevels = (int)description.MipLevels, ArraySize = arraySize, Format = DxgiFormat, BindFlags = bindFlags, CpuAccessFlags = cpuFlags, Usage = resourceUsage, SampleDescription = new SharpDX.DXGI.SampleDescription((int)FormatHelpers.GetSampleCountUInt32(SampleCount), 0), OptionFlags = optionFlags, }; DeviceTexture = new Texture2D(device, deviceDescription); } else { Debug.Assert(Type == TextureType.Texture3D); Texture3DDescription desc3D = new Texture3DDescription() { Width = (int)description.Width, Height = (int)description.Height, Depth = (int)description.Depth, MipLevels = (int)description.MipLevels, Format = DxgiFormat, BindFlags = bindFlags, CpuAccessFlags = cpuFlags, Usage = resourceUsage, OptionFlags = optionFlags, }; DeviceTexture = new Texture3D(device, desc3D); } }
public MTLGraphicsDevice( GraphicsDeviceOptions options, SwapchainDescription?swapchainDesc) { _device = MTLDevice.MTLCreateSystemDefaultDevice(); MetalFeatures = new MTLFeatureSupport(_device); Features = new GraphicsDeviceFeatures( computeShader: true, geometryShader: false, tessellationShaders: false, multipleViewports: MetalFeatures.IsSupported(MTLFeatureSet.macOS_GPUFamily1_v3), samplerLodBias: false, drawBaseVertex: true, drawBaseInstance: true, drawIndirect: true, drawIndirectBaseInstance: true, fillModeWireframe: true, samplerAnisotropy: true, depthClipDisable: true, texture1D: true, // TODO: Should be macOS 10.11+ and iOS 11.0+. independentBlend: true, structuredBuffer: true, subsetTextureView: true, commandListDebugMarkers: true, bufferRangeBinding: true); ResourceBindingModel = options.ResourceBindingModel; _libSystem = new NativeLibrary("libSystem.dylib"); _concreteGlobalBlock = _libSystem.LoadFunction <IntPtr>("_NSConcreteGlobalBlock"); if (MetalFeatures.IsMacOS) { _completionHandler = OnCommandBufferCompleted; } else { _completionHandler = OnCommandBufferCompleted_Static; } _completionHandlerFuncPtr = Marshal.GetFunctionPointerForDelegate <MTLCommandBufferHandler>(_completionHandler); _completionBlockDescriptor = Marshal.AllocHGlobal(Unsafe.SizeOf <BlockDescriptor>()); BlockDescriptor *descriptorPtr = (BlockDescriptor *)_completionBlockDescriptor; descriptorPtr->reserved = 0; descriptorPtr->Block_size = (ulong)Unsafe.SizeOf <BlockDescriptor>(); _completionBlockLiteral = Marshal.AllocHGlobal(Unsafe.SizeOf <BlockLiteral>()); BlockLiteral *blockPtr = (BlockLiteral *)_completionBlockLiteral; blockPtr->isa = _concreteGlobalBlock; blockPtr->flags = 1 << 28 | 1 << 29; blockPtr->invoke = _completionHandlerFuncPtr; blockPtr->descriptor = descriptorPtr; if (!MetalFeatures.IsMacOS) { lock (s_aotRegisteredBlocks) { s_aotRegisteredBlocks.Add(_completionBlockLiteral, this); } } ResourceFactory = new MTLResourceFactory(this); _commandQueue = _device.newCommandQueue(); TextureSampleCount[] allSampleCounts = (TextureSampleCount[])Enum.GetValues(typeof(TextureSampleCount)); _supportedSampleCounts = new bool[allSampleCounts.Length]; for (int i = 0; i < allSampleCounts.Length; i++) { TextureSampleCount count = allSampleCounts[i]; uint uintValue = FormatHelpers.GetSampleCountUInt32(count); if (_device.supportsTextureSampleCount((UIntPtr)uintValue)) { _supportedSampleCounts[i] = true; } } if (swapchainDesc != null) { SwapchainDescription desc = swapchainDesc.Value; _mainSwapchain = new MTLSwapchain(this, ref desc); } PostDeviceCreated(); }
public MTLPipeline(ref GraphicsPipelineDescription description, MTLGraphicsDevice gd) : base(ref description) { PrimitiveType = MTLFormats.VdToMTLPrimitiveTopology(description.PrimitiveTopology); ResourceLayouts = new MTLResourceLayout[description.ResourceLayouts.Length]; NonVertexBufferCount = 0; for (int i = 0; i < ResourceLayouts.Length; i++) { ResourceLayouts[i] = Util.AssertSubtype <ResourceLayout, MTLResourceLayout>(description.ResourceLayouts[i]); NonVertexBufferCount += ResourceLayouts[i].BufferCount; } ResourceBindingModel = description.ResourceBindingModel ?? gd.ResourceBindingModel; CullMode = MTLFormats.VdToMTLCullMode(description.RasterizerState.CullMode); FrontFace = MTLFormats.VdVoMTLFrontFace(description.RasterizerState.FrontFace); FillMode = MTLFormats.VdToMTLFillMode(description.RasterizerState.FillMode); ScissorTestEnabled = description.RasterizerState.ScissorTestEnabled; MTLRenderPipelineDescriptor mtlDesc = MTLRenderPipelineDescriptor.New(); foreach (Shader shader in description.ShaderSet.Shaders) { MTLShader mtlShader = Util.AssertSubtype <Shader, MTLShader>(shader); MTLFunction specializedFunction; if (mtlShader.HasFunctionConstants) { // Need to create specialized MTLFunction. MTLFunctionConstantValues constantValues = CreateConstantValues(description.ShaderSet.Specializations); specializedFunction = mtlShader.Library.newFunctionWithNameConstantValues(mtlShader.EntryPoint, constantValues); AddSpecializedFunction(specializedFunction); ObjectiveCRuntime.release(constantValues.NativePtr); Debug.Assert(specializedFunction.NativePtr != IntPtr.Zero, "Failed to create specialized MTLFunction"); } else { specializedFunction = mtlShader.Function; } if (shader.Stage == ShaderStages.Vertex) { mtlDesc.vertexFunction = specializedFunction; } else if (shader.Stage == ShaderStages.Fragment) { mtlDesc.fragmentFunction = specializedFunction; } } // Vertex layouts VertexLayoutDescription[] vdVertexLayouts = description.ShaderSet.VertexLayouts; MTLVertexDescriptor vertexDescriptor = mtlDesc.vertexDescriptor; for (uint i = 0; i < vdVertexLayouts.Length; i++) { uint layoutIndex = ResourceBindingModel == ResourceBindingModel.Improved ? NonVertexBufferCount + i : i; MTLVertexBufferLayoutDescriptor mtlLayout = vertexDescriptor.layouts[layoutIndex]; mtlLayout.stride = (UIntPtr)vdVertexLayouts[i].Stride; uint stepRate = vdVertexLayouts[i].InstanceStepRate; mtlLayout.stepFunction = stepRate == 0 ? MTLVertexStepFunction.PerVertex : MTLVertexStepFunction.PerInstance; mtlLayout.stepRate = (UIntPtr)Math.Max(1, stepRate); } uint element = 0; for (uint i = 0; i < vdVertexLayouts.Length; i++) { uint offset = 0; VertexLayoutDescription vdDesc = vdVertexLayouts[i]; for (uint j = 0; j < vdDesc.Elements.Length; j++) { VertexElementDescription elementDesc = vdDesc.Elements[j]; MTLVertexAttributeDescriptor mtlAttribute = vertexDescriptor.attributes[element]; mtlAttribute.bufferIndex = (UIntPtr)(ResourceBindingModel == ResourceBindingModel.Improved ? NonVertexBufferCount + i : i); mtlAttribute.format = MTLFormats.VdToMTLVertexFormat(elementDesc.Format); mtlAttribute.offset = elementDesc.Offset != 0 ? (UIntPtr)elementDesc.Offset : (UIntPtr)offset; offset += FormatHelpers.GetSizeInBytes(elementDesc.Format); element += 1; } } VertexBufferCount = (uint)vdVertexLayouts.Length; // Outputs OutputDescription outputs = description.Outputs; BlendStateDescription blendStateDesc = description.BlendState; BlendColor = blendStateDesc.BlendFactor; if (outputs.SampleCount != TextureSampleCount.Count1) { mtlDesc.sampleCount = (UIntPtr)FormatHelpers.GetSampleCountUInt32(outputs.SampleCount); } if (outputs.DepthAttachment != null) { PixelFormat depthFormat = outputs.DepthAttachment.Value.Format; MTLPixelFormat mtlDepthFormat = MTLFormats.VdToMTLPixelFormat(depthFormat, true); mtlDesc.depthAttachmentPixelFormat = mtlDepthFormat; if ((FormatHelpers.IsStencilFormat(depthFormat))) { HasStencil = true; mtlDesc.stencilAttachmentPixelFormat = mtlDepthFormat; } } for (uint i = 0; i < outputs.ColorAttachments.Length; i++) { BlendAttachmentDescription attachmentBlendDesc = blendStateDesc.AttachmentStates[i]; MTLRenderPipelineColorAttachmentDescriptor colorDesc = mtlDesc.colorAttachments[i]; colorDesc.pixelFormat = MTLFormats.VdToMTLPixelFormat(outputs.ColorAttachments[i].Format, false); colorDesc.blendingEnabled = attachmentBlendDesc.BlendEnabled; colorDesc.alphaBlendOperation = MTLFormats.VdToMTLBlendOp(attachmentBlendDesc.AlphaFunction); colorDesc.sourceAlphaBlendFactor = MTLFormats.VdToMTLBlendFactor(attachmentBlendDesc.SourceAlphaFactor); colorDesc.destinationAlphaBlendFactor = MTLFormats.VdToMTLBlendFactor(attachmentBlendDesc.DestinationAlphaFactor); colorDesc.rgbBlendOperation = MTLFormats.VdToMTLBlendOp(attachmentBlendDesc.ColorFunction); colorDesc.sourceRGBBlendFactor = MTLFormats.VdToMTLBlendFactor(attachmentBlendDesc.SourceColorFactor); colorDesc.destinationRGBBlendFactor = MTLFormats.VdToMTLBlendFactor(attachmentBlendDesc.DestinationColorFactor); } RenderPipelineState = gd.Device.newRenderPipelineStateWithDescriptor(mtlDesc); ObjectiveCRuntime.release(mtlDesc.NativePtr); if (outputs.DepthAttachment != null) { MTLDepthStencilDescriptor depthDescriptor = MTLUtil.AllocInit <MTLDepthStencilDescriptor>( nameof(MTLDepthStencilDescriptor)); depthDescriptor.depthCompareFunction = MTLFormats.VdToMTLCompareFunction( description.DepthStencilState.DepthComparison); depthDescriptor.depthWriteEnabled = description.DepthStencilState.DepthWriteEnabled; bool stencilEnabled = description.DepthStencilState.StencilTestEnabled; if (stencilEnabled) { StencilReference = description.DepthStencilState.StencilReference; StencilBehaviorDescription vdFrontDesc = description.DepthStencilState.StencilFront; MTLStencilDescriptor front = MTLUtil.AllocInit <MTLStencilDescriptor>(nameof(MTLStencilDescriptor)); front.readMask = stencilEnabled ? description.DepthStencilState.StencilReadMask : 0u; front.writeMask = stencilEnabled ? description.DepthStencilState.StencilWriteMask : 0u; front.depthFailureOperation = MTLFormats.VdToMTLStencilOperation(vdFrontDesc.DepthFail); front.stencilFailureOperation = MTLFormats.VdToMTLStencilOperation(vdFrontDesc.Fail); front.depthStencilPassOperation = MTLFormats.VdToMTLStencilOperation(vdFrontDesc.Pass); front.stencilCompareFunction = MTLFormats.VdToMTLCompareFunction(vdFrontDesc.Comparison); depthDescriptor.frontFaceStencil = front; StencilBehaviorDescription vdBackDesc = description.DepthStencilState.StencilBack; MTLStencilDescriptor back = MTLUtil.AllocInit <MTLStencilDescriptor>(nameof(MTLStencilDescriptor)); back.readMask = stencilEnabled ? description.DepthStencilState.StencilReadMask : 0u; back.writeMask = stencilEnabled ? description.DepthStencilState.StencilWriteMask : 0u; back.depthFailureOperation = MTLFormats.VdToMTLStencilOperation(vdBackDesc.DepthFail); back.stencilFailureOperation = MTLFormats.VdToMTLStencilOperation(vdBackDesc.Fail); back.depthStencilPassOperation = MTLFormats.VdToMTLStencilOperation(vdBackDesc.Pass); back.stencilCompareFunction = MTLFormats.VdToMTLCompareFunction(vdBackDesc.Comparison); depthDescriptor.backFaceStencil = back; ObjectiveCRuntime.release(front.NativePtr); ObjectiveCRuntime.release(back.NativePtr); } DepthStencilState = gd.Device.newDepthStencilStateWithDescriptor(depthDescriptor); ObjectiveCRuntime.release(depthDescriptor.NativePtr); } DepthClipMode = description.DepthStencilState.DepthTestEnabled ? MTLDepthClipMode.Clip : MTLDepthClipMode.Clamp; }