private void ChangeMsaa(int msaaOption)
{
TextureSampleCount sampleCount = (TextureSampleCount)msaaOption;
_newSampleCount = sampleCount;
}
public MTLGraphicsDevice(
GraphicsDeviceOptions options,
SwapchainDescription?swapchainDesc)
{
_device = MTLDevice.MTLCreateSystemDefaultDevice();
_deviceName = _device.name;
MetalFeatures = new MTLFeatureSupport(_device);
int major = (int)MetalFeatures.MaxFeatureSet / 10000;
int minor = (int)MetalFeatures.MaxFeatureSet % 10000;
_apiVersion = new GraphicsApiVersion(major, minor, 0, 0);
Features = new GraphicsDeviceFeatures(
computeShader: true,
geometryShader: false,
tessellationShaders: false,
multipleViewports: MetalFeatures.IsSupported(MTLFeatureSet.macOS_GPUFamily1_v3),
samplerLodBias: false,
drawBaseVertex: MetalFeatures.IsDrawBaseVertexInstanceSupported(),
drawBaseInstance: MetalFeatures.IsDrawBaseVertexInstanceSupported(),
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,
shaderFloat64: false);
ResourceBindingModel = options.ResourceBindingModel;
_libSystem = new NativeLibrary("libSystem.dylib");
_concreteGlobalBlock = _libSystem.LoadFunction("_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);
}
_metalInfo = new BackendInfoMetal(this);
PostDeviceCreated();
}
/// <summary>
/// Constructs a new <see cref="OutputDescription"/>.
/// </summary>
/// <param name="depthAttachment">A description of the depth attachment.</param>
/// <param name="colorAttachments">An array of descriptions of each color attachment.</param>
public OutputDescription(OutputAttachmentDescription?depthAttachment, params OutputAttachmentDescription[] colorAttachments)
{
DepthAttachment = depthAttachment;
ColorAttachments = colorAttachments ?? Array.Empty <OutputAttachmentDescription>();
SampleCount = TextureSampleCount.Count1;
}
/// <summary>
/// Gets a value indicating whether or not the given <see cref="TextureSampleCount"/> is supported.
/// </summary>
/// <param name="count">The <see cref="TextureSampleCount"/> to query.</param>
/// <returns>True if the sample count is supported; false otherwise.</returns>
public bool IsSampleCountSupported(TextureSampleCount count)
{
int bit = (int)count;
return((_sampleCounts & (1 << bit)) != 0);
}
public SetMsaaLevelEvent(TextureSampleCount msaaOption)
{
SampleCount = msaaOption;
}
public WindowSizedSceneContext(GraphicsDevice gd, TextureSampleCount sampleCount)
{
_disposer.DisposeAll();
ResourceFactory factory = new DisposingResourceFactoryFacade(gd.ResourceFactory, _disposer);
TextureSamplerResourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription(
"SourceTexture",
ResourceKind.TextureReadOnly,
ShaderStages.Fragment),
new ResourceLayoutElementDescription(
"SourceSampler",
ResourceKind.Sampler,
ShaderStages.Fragment)));
TextureSamplerResourceLayout.Name = "RL_TextureSampler";
gd.GetPixelFormatSupport(
PixelFormat.R16_G16_B16_A16_Float,
TextureType.Texture2D,
TextureUsage.RenderTarget,
out PixelFormatProperties properties);
while (!properties.IsSampleCountSupported(sampleCount))
{
sampleCount--;
}
TextureDescription mainColorDesc = TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R16_G16_B16_A16_Float,
TextureUsage.RenderTarget | TextureUsage.Sampled,
sampleCount);
MainSceneColorTexture = factory.CreateTexture(ref mainColorDesc);
MainSceneColorTexture.Name = "T_MainSceneColor";
if (sampleCount != TextureSampleCount.Count1)
{
mainColorDesc.SampleCount = TextureSampleCount.Count1;
MainSceneResolvedColorTexture = factory.CreateTexture(ref mainColorDesc);
MainSceneResolvedColorTexture.Name = "T_MainSceneResolvedColor";
}
else
{
MainSceneResolvedColorTexture = MainSceneColorTexture;
}
MainSceneResolvedColorView = factory.CreateTextureView(MainSceneResolvedColorTexture);
MainSceneDepthTexture = factory.CreateTexture(TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R32_Float,
TextureUsage.DepthStencil,
sampleCount));
MainSceneFramebuffer = factory.CreateFramebuffer(new FramebufferDescription(MainSceneDepthTexture, MainSceneColorTexture));
MainSceneViewResourceSet = factory.CreateResourceSet(
new ResourceSetDescription(
TextureSamplerResourceLayout,
MainSceneResolvedColorView, gd.PointSampler));
MainSceneResolvedColorView.Name = "TV_MainSceneResolvedColor";
MainSceneDepthTexture.Name = "T_MainSceneDepth";
MainSceneFramebuffer.Name = "FB_MainFrame";
MainSceneViewResourceSet.Name = "RS_MainFrame";
TextureDescription colorTargetDesc = TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R16_G16_B16_A16_Float,
TextureUsage.RenderTarget | TextureUsage.Sampled);
DuplicatorTarget0 = factory.CreateTexture(ref colorTargetDesc);
DuplicatorTargetView0 = factory.CreateTextureView(DuplicatorTarget0);
DuplicatorTargetSet0 = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, DuplicatorTargetView0, gd.PointSampler));
DuplicatorTarget0.Name = "T_DuplicatorTarget";
DuplicatorTargetView0.Name = "TV_DuplicatorTarget";
DuplicatorTargetSet0.Name = "RS_DuplicatorTarget";
FramebufferDescription fbDesc = new FramebufferDescription(null, DuplicatorTarget0);
DuplicatorFramebuffer = factory.CreateFramebuffer(ref fbDesc);
DuplicatorFramebuffer.Name = "FB_Duplicator";
}
internal void RecreateWindowSizedResources(GraphicsDevice gd, CommandList cl)
{
MainSceneColorTexture?.Dispose();
MainSceneDepthTexture?.Dispose();
MainSceneResolvedColorTexture?.Dispose();
MainSceneResolvedColorView?.Dispose();
MainSceneViewResourceSet?.Dispose();
MainSceneFramebuffer?.Dispose();
DuplicatorTarget0?.Dispose();
DuplicatorTarget1?.Dispose();
DuplicatorTargetView0?.Dispose();
DuplicatorTargetView1?.Dispose();
DuplicatorTargetSet0?.Dispose();
DuplicatorTargetSet1?.Dispose();
DuplicatorFramebuffer?.Dispose();
ResourceFactory factory = gd.ResourceFactory;
TextureSampleCount mainSceneSampleCountCapped = (TextureSampleCount)Math.Min(
(int)gd.GetSampleCountLimit(PixelFormat.R8_G8_B8_A8_UNorm, false),
(int)MainSceneSampleCount);
TextureDescription mainColorDesc = TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.RenderTarget | TextureUsage.Sampled,
mainSceneSampleCountCapped);
MainSceneColorTexture = factory.CreateTexture(ref mainColorDesc);
if (mainSceneSampleCountCapped != TextureSampleCount.Count1)
{
mainColorDesc.SampleCount = TextureSampleCount.Count1;
MainSceneResolvedColorTexture = factory.CreateTexture(ref mainColorDesc);
}
else
{
MainSceneResolvedColorTexture = MainSceneColorTexture;
}
MainSceneResolvedColorView = factory.CreateTextureView(MainSceneResolvedColorTexture);
MainSceneDepthTexture = factory.CreateTexture(TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R32_Float,
TextureUsage.DepthStencil,
mainSceneSampleCountCapped));
MainSceneFramebuffer = factory.CreateFramebuffer(new FramebufferDescription(MainSceneDepthTexture, MainSceneColorTexture));
MainSceneViewResourceSet = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, MainSceneResolvedColorView, gd.PointSampler));
TextureDescription colorTargetDesc = TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.RenderTarget | TextureUsage.Sampled);
DuplicatorTarget0 = factory.CreateTexture(ref colorTargetDesc);
DuplicatorTargetView0 = factory.CreateTextureView(DuplicatorTarget0);
DuplicatorTarget1 = factory.CreateTexture(ref colorTargetDesc);
DuplicatorTargetView1 = factory.CreateTextureView(DuplicatorTarget1);
DuplicatorTargetSet0 = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, DuplicatorTargetView0, gd.PointSampler));
DuplicatorTargetSet1 = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, DuplicatorTargetView1, gd.PointSampler));
FramebufferDescription fbDesc = new FramebufferDescription(null, DuplicatorTarget0, DuplicatorTarget1);
DuplicatorFramebuffer = factory.CreateFramebuffer(ref fbDesc);
}
internal void RecreateWindowSizedResources(GraphicsDevice gd, CommandList cl)
{
MainSceneColorTexture?.Dispose();
MainSceneDepthTexture?.Dispose();
MainSceneResolvedColorTexture?.Dispose();
MainSceneResolvedColorView?.Dispose();
MainSceneViewResourceSet?.Dispose();
MainSceneFramebuffer?.Dispose();
DuplicatorTarget0?.Dispose();
DuplicatorTarget1?.Dispose();
DuplicatorTargetView0?.Dispose();
DuplicatorTargetView1?.Dispose();
DuplicatorTargetSet0?.Dispose();
DuplicatorTargetSet1?.Dispose();
DuplicatorFramebuffer?.Dispose();
ResourceFactory factory = gd.ResourceFactory;
gd.GetPixelFormatSupport(
PixelFormat.R8_G8_B8_A8_UNorm,
TextureType.Texture2D,
TextureUsage.RenderTarget,
out PixelFormatProperties properties);
TextureSampleCount sampleCount = MainSceneSampleCount;
while (!properties.IsSampleCountSupported(sampleCount))
{
sampleCount = (TextureSampleCount)(sampleCount - 1);
}
TextureDescription mainColorDesc = TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.RenderTarget | TextureUsage.Sampled,
sampleCount);
MainSceneColorTexture = factory.CreateTexture(ref mainColorDesc);
if (sampleCount != TextureSampleCount.Count1)
{
mainColorDesc.SampleCount = TextureSampleCount.Count1;
MainSceneResolvedColorTexture = factory.CreateTexture(ref mainColorDesc);
}
else
{
MainSceneResolvedColorTexture = MainSceneColorTexture;
}
MainSceneResolvedColorView = factory.CreateTextureView(MainSceneResolvedColorTexture);
MainSceneDepthTexture = factory.CreateTexture(TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R32_Float,
TextureUsage.DepthStencil,
sampleCount));
MainSceneFramebuffer = factory.CreateFramebuffer(new FramebufferDescription(MainSceneDepthTexture, MainSceneColorTexture));
MainSceneViewResourceSet = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, MainSceneResolvedColorView, gd.PointSampler));
TextureDescription colorTargetDesc = TextureDescription.Texture2D(
gd.SwapchainFramebuffer.Width,
gd.SwapchainFramebuffer.Height,
1,
1,
PixelFormat.R8_G8_B8_A8_UNorm,
TextureUsage.RenderTarget | TextureUsage.Sampled);
DuplicatorTarget0 = factory.CreateTexture(ref colorTargetDesc);
DuplicatorTargetView0 = factory.CreateTextureView(DuplicatorTarget0);
DuplicatorTarget1 = factory.CreateTexture(ref colorTargetDesc);
DuplicatorTargetView1 = factory.CreateTextureView(DuplicatorTarget1);
DuplicatorTargetSet0 = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, DuplicatorTargetView0, gd.PointSampler));
DuplicatorTargetSet1 = factory.CreateResourceSet(new ResourceSetDescription(TextureSamplerResourceLayout, DuplicatorTargetView1, gd.PointSampler));
FramebufferDescription fbDesc = new FramebufferDescription(null, DuplicatorTarget0, DuplicatorTarget1);
DuplicatorFramebuffer = factory.CreateFramebuffer(ref fbDesc);
}
