public static void GetBindingDescription(out VertexInputBindingDescription bindingDescription)
{
bindingDescription = new VertexInputBindingDescription();
bindingDescription.Binding = 0;
bindingDescription.Stride = (uint)Unsafe.SizeOf <Vertex>();
bindingDescription.InputRate = VertexInputRate.Vertex;
}
public static VertexInputBindingDescription[] GetBindingDescription()
{
var bindingDescription = new VertexInputBindingDescription[]
{
new VertexInputBindingDescription()
{
Binding = 0,
Stride = 5 * sizeof(float),
InputRate = VertexInputRate.Vertex,
}
};
return(bindingDescription);
}
private unsafe void Recreate()
{
if (Description.RootSignature == null)
{
return;
}
CreateRenderPass(Description);
CreatePipelineLayout(Description);
// Create shader stages
Dictionary <int, string> inputAttributeNames;
// Note: important to pin this so that stages[x].Name is valid during this whole function
void *defaultEntryPointData = Interop.Fixed(defaultEntryPoint);
var stages = CreateShaderStages(Description, out inputAttributeNames);
var inputAttributes = new VertexInputAttributeDescription[Description.InputElements.Length];
int inputAttributeCount = 0;
var inputBindings = new VertexInputBindingDescription[inputAttributes.Length];
int inputBindingCount = 0;
for (int inputElementIndex = 0; inputElementIndex < inputAttributes.Length; inputElementIndex++)
{
var inputElement = Description.InputElements[inputElementIndex];
var slotIndex = inputElement.InputSlot;
if (inputElement.InstanceDataStepRate > 1)
{
throw new NotImplementedException();
}
Format format;
int size;
bool isCompressed;
VulkanConvertExtensions.ConvertPixelFormat(inputElement.Format, out format, out size, out isCompressed);
var location = inputAttributeNames.FirstOrDefault(x => x.Value == inputElement.SemanticName && inputElement.SemanticIndex == 0 || x.Value == inputElement.SemanticName + inputElement.SemanticIndex);
if (location.Value != null)
{
inputAttributes[inputAttributeCount++] = new VertexInputAttributeDescription
{
Format = format,
Offset = (uint)inputElement.AlignedByteOffset,
Binding = (uint)inputElement.InputSlot,
Location = (uint)location.Key
};
}
inputBindings[slotIndex].Binding = (uint)slotIndex;
inputBindings[slotIndex].InputRate = inputElement.InputSlotClass == InputClassification.Vertex ? VertexInputRate.Vertex : VertexInputRate.Instance;
// TODO VULKAN: This is currently an argument to Draw() overloads.
if (inputBindings[slotIndex].Stride < inputElement.AlignedByteOffset + size)
{
inputBindings[slotIndex].Stride = (uint)(inputElement.AlignedByteOffset + size);
}
if (inputElement.InputSlot >= inputBindingCount)
{
inputBindingCount = inputElement.InputSlot + 1;
}
}
var inputAssemblyState = new PipelineInputAssemblyStateCreateInfo
{
StructureType = StructureType.PipelineInputAssemblyStateCreateInfo,
Topology = VulkanConvertExtensions.ConvertPrimitiveType(Description.PrimitiveType),
PrimitiveRestartEnable = VulkanConvertExtensions.ConvertPrimitiveRestart(Description.PrimitiveType),
};
// TODO VULKAN: Tessellation and multisampling
var multisampleState = new PipelineMultisampleStateCreateInfo
{
StructureType = StructureType.PipelineMultisampleStateCreateInfo,
RasterizationSamples = SampleCountFlags.Sample1
};
var tessellationState = new PipelineTessellationStateCreateInfo();
var rasterizationState = CreateRasterizationState(Description.RasterizerState);
var depthStencilState = CreateDepthStencilState(Description);
var description = Description.BlendState;
var renderTargetCount = Description.Output.RenderTargetCount;
var colorBlendAttachments = new PipelineColorBlendAttachmentState[renderTargetCount];
var renderTargetBlendState = &description.RenderTarget0;
for (int i = 0; i < renderTargetCount; i++)
{
colorBlendAttachments[i] = new PipelineColorBlendAttachmentState
{
BlendEnable = renderTargetBlendState->BlendEnable,
AlphaBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->AlphaBlendFunction),
ColorBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->ColorBlendFunction),
DestinationAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaDestinationBlend),
DestinationColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorDestinationBlend),
SourceAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaSourceBlend),
SourceColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorSourceBlend),
ColorWriteMask = VulkanConvertExtensions.ConvertColorWriteChannels(renderTargetBlendState->ColorWriteChannels),
};
if (description.IndependentBlendEnable)
{
renderTargetBlendState++;
}
}
var viewportState = new PipelineViewportStateCreateInfo
{
StructureType = StructureType.PipelineViewportStateCreateInfo,
ScissorCount = 1,
ViewportCount = 1,
};
fixed(DynamicState *dynamicStatesPointer = &dynamicStates[0])
{
var vertexInputState = new PipelineVertexInputStateCreateInfo
{
StructureType = StructureType.PipelineVertexInputStateCreateInfo,
VertexAttributeDescriptionCount = (uint)inputAttributeCount,
VertexAttributeDescriptions = inputAttributes.Length > 0 ? new IntPtr(Interop.Fixed(inputAttributes)) : IntPtr.Zero,
VertexBindingDescriptionCount = (uint)inputBindingCount,
VertexBindingDescriptions = inputBindings.Length > 0 ? new IntPtr(Interop.Fixed(inputBindings)) : IntPtr.Zero,
};
var colorBlendState = new PipelineColorBlendStateCreateInfo
{
StructureType = StructureType.PipelineColorBlendStateCreateInfo,
AttachmentCount = (uint)renderTargetCount,
Attachments = colorBlendAttachments.Length > 0 ? new IntPtr(Interop.Fixed(colorBlendAttachments)) : IntPtr.Zero,
};
var dynamicState = new PipelineDynamicStateCreateInfo
{
StructureType = StructureType.PipelineDynamicStateCreateInfo,
DynamicStateCount = (uint)dynamicStates.Length,
DynamicStates = new IntPtr(dynamicStatesPointer)
};
var createInfo = new GraphicsPipelineCreateInfo
{
StructureType = StructureType.GraphicsPipelineCreateInfo,
Layout = NativeLayout,
StageCount = (uint)stages.Length,
Stages = stages.Length > 0 ? new IntPtr(Interop.Fixed(stages)) : IntPtr.Zero,
//TessellationState = new IntPtr(&tessellationState),
VertexInputState = new IntPtr(&vertexInputState),
InputAssemblyState = new IntPtr(&inputAssemblyState),
RasterizationState = new IntPtr(&rasterizationState),
MultisampleState = new IntPtr(&multisampleState),
DepthStencilState = new IntPtr(&depthStencilState),
ColorBlendState = new IntPtr(&colorBlendState),
DynamicState = new IntPtr(&dynamicState),
ViewportState = new IntPtr(&viewportState),
RenderPass = NativeRenderPass,
Subpass = 0,
};
NativePipeline = GraphicsDevice.NativeDevice.CreateGraphicsPipelines(PipelineCache.Null, 1, &createInfo);
}
// Cleanup shader modules
foreach (var stage in stages)
{
GraphicsDevice.NativeDevice.DestroyShaderModule(stage.Module);
}
}
private unsafe void Recreate()
{
errorDuringCreate = false;
if (Description.RootSignature == null)
{
return;
}
PipelineShaderStageCreateInfo[] stages;
// try to recover from a rare failure?
bool retry = false;
// it appears pipeline creation is just not thread safe :(
lock (PipeLock) {
Xenko.Shaders.Compiler.EffectCompilerCache.CompileSynchronization.Wait();
CreateRenderPass(Description);
CreatePipelineLayout(Description);
// Create shader stages
Dictionary <int, string> inputAttributeNames;
stages = CreateShaderStages(Description, out inputAttributeNames);
var inputAttributes = new VertexInputAttributeDescription[Description.InputElements.Length];
int inputAttributeCount = 0;
var inputBindings = new VertexInputBindingDescription[inputAttributes.Length];
int inputBindingCount = 0;
for (int inputElementIndex = 0; inputElementIndex < inputAttributes.Length; inputElementIndex++)
{
var inputElement = Description.InputElements[inputElementIndex];
var slotIndex = inputElement.InputSlot;
if (inputElement.InstanceDataStepRate > 1)
{
throw new NotImplementedException();
}
Format format;
int size;
bool isCompressed;
VulkanConvertExtensions.ConvertPixelFormat(inputElement.Format, out format, out size, out isCompressed);
var location = inputAttributeNames.FirstOrDefault(x => x.Value == inputElement.SemanticName && inputElement.SemanticIndex == 0 || x.Value == inputElement.SemanticName + inputElement.SemanticIndex);
if (location.Value != null)
{
inputAttributes[inputAttributeCount++] = new VertexInputAttributeDescription
{
Format = format,
Offset = (uint)inputElement.AlignedByteOffset,
Binding = (uint)inputElement.InputSlot,
Location = (uint)location.Key
};
}
inputBindings[slotIndex].Binding = (uint)slotIndex;
inputBindings[slotIndex].InputRate = inputElement.InputSlotClass == InputClassification.Vertex ? VertexInputRate.Vertex : VertexInputRate.Instance;
// TODO VULKAN: This is currently an argument to Draw() overloads.
if (inputBindings[slotIndex].Stride < inputElement.AlignedByteOffset + size)
{
inputBindings[slotIndex].Stride = (uint)(inputElement.AlignedByteOffset + size);
}
if (inputElement.InputSlot >= inputBindingCount)
{
inputBindingCount = inputElement.InputSlot + 1;
}
}
var inputAssemblyState = new PipelineInputAssemblyStateCreateInfo
{
StructureType = StructureType.PipelineInputAssemblyStateCreateInfo,
Topology = VulkanConvertExtensions.ConvertPrimitiveType(Description.PrimitiveType),
PrimitiveRestartEnable = true,
};
// TODO VULKAN: Tessellation and multisampling
var multisampleState = new PipelineMultisampleStateCreateInfo
{
StructureType = StructureType.PipelineMultisampleStateCreateInfo,
RasterizationSamples = SampleCountFlags.Sample1
};
//var tessellationState = new PipelineTessellationStateCreateInfo();
var rasterizationState = CreateRasterizationState(Description.RasterizerState);
var depthStencilState = CreateDepthStencilState(Description);
var description = Description.BlendState;
var renderTargetCount = Description.Output.RenderTargetCount;
var colorBlendAttachments = new PipelineColorBlendAttachmentState[renderTargetCount];
var renderTargetBlendState = &description.RenderTarget0;
for (int i = 0; i < renderTargetCount; i++)
{
colorBlendAttachments[i] = new PipelineColorBlendAttachmentState
{
BlendEnable = renderTargetBlendState->BlendEnable,
AlphaBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->AlphaBlendFunction),
ColorBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->ColorBlendFunction),
DestinationAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaDestinationBlend),
DestinationColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorDestinationBlend),
SourceAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaSourceBlend),
SourceColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorSourceBlend),
ColorWriteMask = VulkanConvertExtensions.ConvertColorWriteChannels(renderTargetBlendState->ColorWriteChannels),
};
if (description.IndependentBlendEnable)
{
renderTargetBlendState++;
}
}
var viewportState = new PipelineViewportStateCreateInfo
{
StructureType = StructureType.PipelineViewportStateCreateInfo,
ScissorCount = 1,
ViewportCount = 1,
};
fixed(void *dynamicStatesPointer = dynamicStates.Length == 0?null : dynamicStates,
inputAttributesPointer = inputAttributes.Length == 0?null : inputAttributes,
inputBindingsPointer = inputBindings.Length == 0?null : inputBindings,
colorBlendAttachmentsPointer = colorBlendAttachments.Length == 0?null : colorBlendAttachments,
stagesPointer = stages.Length == 0?null : stages)
{
var vertexInputState = new PipelineVertexInputStateCreateInfo
{
StructureType = StructureType.PipelineVertexInputStateCreateInfo,
VertexAttributeDescriptionCount = (uint)inputAttributeCount,
VertexAttributeDescriptions = (IntPtr)inputAttributesPointer,
VertexBindingDescriptionCount = (uint)inputBindingCount,
VertexBindingDescriptions = (IntPtr)inputBindingsPointer,
};
var colorBlendState = new PipelineColorBlendStateCreateInfo
{
StructureType = StructureType.PipelineColorBlendStateCreateInfo,
AttachmentCount = (uint)renderTargetCount,
Attachments = (IntPtr)colorBlendAttachmentsPointer,
};
var dynamicState = new PipelineDynamicStateCreateInfo
{
StructureType = StructureType.PipelineDynamicStateCreateInfo,
DynamicStateCount = (uint)dynamicStates.Length,
DynamicStates = (IntPtr)dynamicStatesPointer,
};
var createInfo = new GraphicsPipelineCreateInfo
{
StructureType = StructureType.GraphicsPipelineCreateInfo,
Layout = NativeLayout,
StageCount = (uint)stages.Length,
Stages = (IntPtr)stagesPointer,
//TessellationState = new IntPtr(&tessellationState),
VertexInputState = new IntPtr(&vertexInputState),
InputAssemblyState = new IntPtr(&inputAssemblyState),
RasterizationState = new IntPtr(&rasterizationState),
MultisampleState = new IntPtr(&multisampleState),
DepthStencilState = new IntPtr(&depthStencilState),
ColorBlendState = new IntPtr(&colorBlendState),
DynamicState = new IntPtr(&dynamicState),
ViewportState = new IntPtr(&viewportState),
RenderPass = NativeRenderPass,
Subpass = 0,
};
try {
lock (GraphicsDevice.QueueLock) {
NativePipeline = GraphicsDevice.NativeDevice.CreateGraphicsPipelines(PipelineCache.Null, 1, &createInfo);
}
} catch (AccessViolationException ae) {
// this happens extremely rarely and might be recoverable by reattempting the recreate
retry = true;
} catch (Exception e) {
errorDuringCreate = true;
NativePipeline = Pipeline.Null;
}
}
}
// Cleanup shader modules
for (int i = 0; i < stages.Length; i++)
{
GraphicsDevice.NativeDevice.DestroyShaderModule(stages[i].Module);
}
if (retry)
{
Recreate();
}
}
Pipeline[] CreatePipelines()
{
var pipelineLayoutCreateInfo = new PipelineLayoutCreateInfo {
SetLayouts = new DescriptorSetLayout [] { descriptorSetLayout }
};
pipelineLayout = device.CreatePipelineLayout(pipelineLayoutCreateInfo);
var vertexShaderModule = device.CreateShaderModule(LoadResource("XLogo.Shaders.shader.vert.spv"));
var fragmentShaderModule = device.CreateShaderModule(LoadResource("XLogo.Shaders.shader.frag.spv"));
PipelineShaderStageCreateInfo [] pipelineShaderStages =
{
new PipelineShaderStageCreateInfo {
Stage = ShaderStageFlags.Vertex,
Module = vertexShaderModule,
Name = "main"
},
new PipelineShaderStageCreateInfo {
Stage = ShaderStageFlags.Fragment,
Module = fragmentShaderModule,
Name = "main"
}
};
var viewport = new Viewport {
MinDepth = 0,
MaxDepth = 1.0f,
Width = surfaceCapabilities.CurrentExtent.Width,
Height = surfaceCapabilities.CurrentExtent.Height
};
var scissor = new Rect2D {
Extent = surfaceCapabilities.CurrentExtent
};
var viewportCreateInfo = new PipelineViewportStateCreateInfo {
Viewports = new Viewport [] { viewport },
Scissors = new Rect2D [] { scissor }
};
var multisampleCreateInfo = new PipelineMultisampleStateCreateInfo {
RasterizationSamples = SampleCountFlags.Count1,
SampleMask = new uint [] { ~0u }
};
var colorBlendAttachmentState = new PipelineColorBlendAttachmentState {
ColorWriteMask = ColorComponentFlags.R | ColorComponentFlags.G | ColorComponentFlags.B | ColorComponentFlags.A
};
var colorBlendStateCreatInfo = new PipelineColorBlendStateCreateInfo {
LogicOp = LogicOp.Copy,
Attachments = new PipelineColorBlendAttachmentState [] { colorBlendAttachmentState }
};
var rasterizationStateCreateInfo = new PipelineRasterizationStateCreateInfo {
PolygonMode = PolygonMode.Fill,
CullMode = (uint)CullModeFlags.None,
FrontFace = FrontFace.Clockwise,
LineWidth = 1.0f
};
var inputAssemblyStateCreateInfo = new PipelineInputAssemblyStateCreateInfo {
Topology = PrimitiveTopology.TriangleList
};
var vertexInputBindingDescription = new VertexInputBindingDescription {
Stride = 3 * sizeof(float),
InputRate = VertexInputRate.Vertex
};
var vertexInputAttributeDescription = new VertexInputAttributeDescription {
Format = Format.R32g32b32Sfloat
};
var vertexInputStateCreateInfo = new PipelineVertexInputStateCreateInfo {
VertexBindingDescriptions = new VertexInputBindingDescription [] { vertexInputBindingDescription },
VertexAttributeDescriptions = new VertexInputAttributeDescription [] { vertexInputAttributeDescription }
};
var pipelineCreateInfo = new GraphicsPipelineCreateInfo {
Layout = pipelineLayout,
ViewportState = viewportCreateInfo,
Stages = pipelineShaderStages,
MultisampleState = multisampleCreateInfo,
ColorBlendState = colorBlendStateCreatInfo,
RasterizationState = rasterizationStateCreateInfo,
InputAssemblyState = inputAssemblyStateCreateInfo,
VertexInputState = vertexInputStateCreateInfo,
DynamicState = new PipelineDynamicStateCreateInfo(),
RenderPass = renderPass
};
return(device.CreateGraphicsPipelines(device.CreatePipelineCache(new PipelineCacheCreateInfo()), new GraphicsPipelineCreateInfo [] { pipelineCreateInfo }));
}
//[HandleProcessCorruptedStateExceptionsAttribute, SecurityCriticalAttribute]
private unsafe void Recreate()
{
errorDuringCreate = false;
if (Description.RootSignature == null)
{
return;
}
PipelineShaderStageCreateInfo[] stages;
// create render pass
bool hasDepthStencilAttachment = Description.Output.DepthStencilFormat != PixelFormat.None;
var renderTargetCount = Description.Output.RenderTargetCount;
var attachmentCount = renderTargetCount;
if (hasDepthStencilAttachment)
{
attachmentCount++;
}
var attachments = new AttachmentDescription[attachmentCount];
var colorAttachmentReferences = new AttachmentReference[renderTargetCount];
fixed(PixelFormat *renderTargetFormat = &Description.Output.RenderTargetFormat0)
fixed(BlendStateRenderTargetDescription * blendDescription = &Description.BlendState.RenderTarget0)
{
for (int i = 0; i < renderTargetCount; i++)
{
var currentBlendDesc = Description.BlendState.IndependentBlendEnable ? (blendDescription + i) : blendDescription;
attachments[i] = new AttachmentDescription
{
Format = VulkanConvertExtensions.ConvertPixelFormat(*(renderTargetFormat + i)),
Samples = SampleCountFlags.Sample1,
LoadOperation = currentBlendDesc->BlendEnable ? AttachmentLoadOperation.Load : AttachmentLoadOperation.DontCare, // TODO VULKAN: Only if any destination blend?
StoreOperation = AttachmentStoreOperation.Store,
StencilLoadOperation = AttachmentLoadOperation.DontCare,
StencilStoreOperation = AttachmentStoreOperation.DontCare,
InitialLayout = ImageLayout.ColorAttachmentOptimal,
FinalLayout = ImageLayout.ColorAttachmentOptimal,
};
colorAttachmentReferences[i] = new AttachmentReference
{
Attachment = (uint)i,
Layout = ImageLayout.ColorAttachmentOptimal,
};
}
}
if (hasDepthStencilAttachment)
{
attachments[attachmentCount - 1] = new AttachmentDescription
{
Format = Texture.GetFallbackDepthStencilFormat(GraphicsDevice, VulkanConvertExtensions.ConvertPixelFormat(Description.Output.DepthStencilFormat)),
Samples = SampleCountFlags.Sample1,
LoadOperation = AttachmentLoadOperation.Load, // TODO VULKAN: Only if depth read enabled?
StoreOperation = AttachmentStoreOperation.Store, // TODO VULKAN: Only if depth write enabled?
StencilLoadOperation = AttachmentLoadOperation.DontCare, // TODO VULKAN: Handle stencil
StencilStoreOperation = AttachmentStoreOperation.DontCare,
InitialLayout = ImageLayout.DepthStencilAttachmentOptimal,
FinalLayout = ImageLayout.DepthStencilAttachmentOptimal,
};
}
var depthAttachmentReference = new AttachmentReference
{
Attachment = (uint)attachments.Length - 1,
Layout = ImageLayout.DepthStencilAttachmentOptimal,
};
var subpass = new SubpassDescription
{
PipelineBindPoint = PipelineBindPoint.Graphics,
ColorAttachmentCount = (uint)renderTargetCount,
ColorAttachments = colorAttachmentReferences.Length > 0 ? new IntPtr(Interop.Fixed(colorAttachmentReferences)) : IntPtr.Zero,
DepthStencilAttachment = hasDepthStencilAttachment ? new IntPtr(&depthAttachmentReference) : IntPtr.Zero,
};
var renderPassCreateInfo = new RenderPassCreateInfo
{
StructureType = StructureType.RenderPassCreateInfo,
AttachmentCount = (uint)attachmentCount,
Attachments = attachments.Length > 0 ? new IntPtr(Interop.Fixed(attachments)) : IntPtr.Zero,
SubpassCount = 1,
Subpasses = new IntPtr(&subpass)
};
// create pipeline layout
// Remap descriptor set indices to those in the shader. This ordering generated by the ShaderCompiler
var resourceGroups = Description.EffectBytecode.Reflection.ResourceBindings.Select(x => x.ResourceGroup ?? "Globals").Distinct().ToList();
ResourceGroupCount = resourceGroups.Count;
var layouts = Description.RootSignature.EffectDescriptorSetReflection.Layouts;
// Get binding indices used by the shader
var destinationBindings = Description.EffectBytecode.Stages
.SelectMany(x => BinarySerialization.Read <ShaderInputBytecode>(x.Data).ResourceBindings)
.GroupBy(x => x.Key, x => x.Value)
.ToDictionary(x => x.Key, x => x.First());
var maxBindingIndex = destinationBindings.Max(x => x.Value);
var destinationEntries = new DescriptorSetLayoutBuilder.Entry[maxBindingIndex + 1];
DescriptorBindingMapping = new List <DescriptorSetInfo>();
for (int i = 0; i < resourceGroups.Count; i++)
{
var resourceGroupName = resourceGroups[i] == "Globals" ? Description.RootSignature.EffectDescriptorSetReflection.DefaultSetSlot : resourceGroups[i];
var layoutIndex = resourceGroups[i] == null ? 0 : layouts.FindIndex(x => x.Name == resourceGroupName);
// Check if the resource group is used by the shader
if (layoutIndex == -1)
{
continue;
}
var sourceEntries = layouts[layoutIndex].Layout.Entries;
for (int sourceBinding = 0; sourceBinding < sourceEntries.Count; sourceBinding++)
{
var sourceEntry = sourceEntries[sourceBinding];
int destinationBinding;
if (destinationBindings.TryGetValue(sourceEntry.Key.Name, out destinationBinding))
{
destinationEntries[destinationBinding] = sourceEntry;
// No need to umpdate immutable samplers
if (sourceEntry.Class == EffectParameterClass.Sampler && sourceEntry.ImmutableSampler != null)
{
continue;
}
DescriptorBindingMapping.Add(new DescriptorSetInfo
{
SourceSet = layoutIndex,
SourceBinding = sourceBinding,
DestinationBinding = destinationBinding,
DescriptorType = VulkanConvertExtensions.ConvertDescriptorType(sourceEntry.Class, sourceEntry.Type)
});
}
}
}
// Create default sampler, used by texture and buffer loads
destinationEntries[0] = new DescriptorSetLayoutBuilder.Entry
{
Class = EffectParameterClass.Sampler,
Type = EffectParameterType.Sampler,
ImmutableSampler = GraphicsDevice.SamplerStates.PointWrap,
ArraySize = 1,
};
// Create descriptor set layout
NativeDescriptorSetLayout = DescriptorSetLayout.CreateNativeDescriptorSetLayout(GraphicsDevice, destinationEntries, out DescriptorTypeCounts);
// Create pipeline layout
var nativeDescriptorSetLayout = NativeDescriptorSetLayout;
var pipelineLayoutCreateInfo = new PipelineLayoutCreateInfo
{
StructureType = StructureType.PipelineLayoutCreateInfo,
SetLayoutCount = 1,
SetLayouts = new IntPtr(&nativeDescriptorSetLayout)
};
// Create shader stages
Dictionary <int, string> inputAttributeNames;
// Note: important to pin this so that stages[x].Name is valid during this whole function
void *defaultEntryPointData = Interop.Fixed(defaultEntryPoint);
stages = CreateShaderStages(Description, out inputAttributeNames);
var inputAttributes = new VertexInputAttributeDescription[Description.InputElements.Length];
int inputAttributeCount = 0;
var inputBindings = new VertexInputBindingDescription[inputAttributes.Length];
int inputBindingCount = 0;
for (int inputElementIndex = 0; inputElementIndex < inputAttributes.Length; inputElementIndex++)
{
var inputElement = Description.InputElements[inputElementIndex];
var slotIndex = inputElement.InputSlot;
if (inputElement.InstanceDataStepRate > 1)
{
throw new NotImplementedException();
}
Format format;
int size;
bool isCompressed;
VulkanConvertExtensions.ConvertPixelFormat(inputElement.Format, out format, out size, out isCompressed);
var location = inputAttributeNames.FirstOrDefault(x => x.Value == inputElement.SemanticName && inputElement.SemanticIndex == 0 || x.Value == inputElement.SemanticName + inputElement.SemanticIndex);
if (location.Value != null)
{
inputAttributes[inputAttributeCount++] = new VertexInputAttributeDescription
{
Format = format,
Offset = (uint)inputElement.AlignedByteOffset,
Binding = (uint)inputElement.InputSlot,
Location = (uint)location.Key
};
}
inputBindings[slotIndex].Binding = (uint)slotIndex;
inputBindings[slotIndex].InputRate = inputElement.InputSlotClass == InputClassification.Vertex ? VertexInputRate.Vertex : VertexInputRate.Instance;
// TODO VULKAN: This is currently an argument to Draw() overloads.
if (inputBindings[slotIndex].Stride < inputElement.AlignedByteOffset + size)
{
inputBindings[slotIndex].Stride = (uint)(inputElement.AlignedByteOffset + size);
}
if (inputElement.InputSlot >= inputBindingCount)
{
inputBindingCount = inputElement.InputSlot + 1;
}
}
var inputAssemblyState = new PipelineInputAssemblyStateCreateInfo
{
StructureType = StructureType.PipelineInputAssemblyStateCreateInfo,
Topology = VulkanConvertExtensions.ConvertPrimitiveType(Description.PrimitiveType),
PrimitiveRestartEnable = VulkanConvertExtensions.ConvertPrimitiveRestart(Description.PrimitiveType),
};
// TODO VULKAN: Tessellation and multisampling
var multisampleState = new PipelineMultisampleStateCreateInfo
{
StructureType = StructureType.PipelineMultisampleStateCreateInfo,
RasterizationSamples = SampleCountFlags.Sample1
};
//var tessellationState = new PipelineTessellationStateCreateInfo();
var rasterizationState = new PipelineRasterizationStateCreateInfo
{
StructureType = StructureType.PipelineRasterizationStateCreateInfo,
CullMode = VulkanConvertExtensions.ConvertCullMode(Description.RasterizerState.CullMode),
FrontFace = Description.RasterizerState.FrontFaceCounterClockwise ? FrontFace.CounterClockwise : FrontFace.Clockwise,
PolygonMode = VulkanConvertExtensions.ConvertFillMode(Description.RasterizerState.FillMode),
DepthBiasEnable = true, // TODO VULKAN
DepthBiasConstantFactor = Description.RasterizerState.DepthBias,
DepthBiasSlopeFactor = Description.RasterizerState.SlopeScaleDepthBias,
DepthBiasClamp = Description.RasterizerState.DepthBiasClamp,
LineWidth = 1.0f,
DepthClampEnable = !Description.RasterizerState.DepthClipEnable,
RasterizerDiscardEnable = false,
};
var depthStencilState = new PipelineDepthStencilStateCreateInfo
{
StructureType = StructureType.PipelineDepthStencilStateCreateInfo,
DepthTestEnable = Description.DepthStencilState.DepthBufferEnable,
StencilTestEnable = Description.DepthStencilState.StencilEnable,
DepthWriteEnable = Description.DepthStencilState.DepthBufferWriteEnable,
MinDepthBounds = 0.0f,
MaxDepthBounds = 1.0f,
DepthCompareOperation = VulkanConvertExtensions.ConvertComparisonFunction(Description.DepthStencilState.DepthBufferFunction),
Front = new StencilOperationState
{
CompareOperation = VulkanConvertExtensions.ConvertComparisonFunction(Description.DepthStencilState.FrontFace.StencilFunction),
DepthFailOperation = VulkanConvertExtensions.ConvertStencilOperation(Description.DepthStencilState.FrontFace.StencilDepthBufferFail),
FailOperation = VulkanConvertExtensions.ConvertStencilOperation(Description.DepthStencilState.FrontFace.StencilFail),
PassOperation = VulkanConvertExtensions.ConvertStencilOperation(Description.DepthStencilState.FrontFace.StencilPass),
CompareMask = Description.DepthStencilState.StencilMask,
WriteMask = Description.DepthStencilState.StencilWriteMask
},
Back = new StencilOperationState
{
CompareOperation = VulkanConvertExtensions.ConvertComparisonFunction(Description.DepthStencilState.BackFace.StencilFunction),
DepthFailOperation = VulkanConvertExtensions.ConvertStencilOperation(Description.DepthStencilState.BackFace.StencilDepthBufferFail),
FailOperation = VulkanConvertExtensions.ConvertStencilOperation(Description.DepthStencilState.BackFace.StencilFail),
PassOperation = VulkanConvertExtensions.ConvertStencilOperation(Description.DepthStencilState.BackFace.StencilPass),
CompareMask = Description.DepthStencilState.StencilMask,
WriteMask = Description.DepthStencilState.StencilWriteMask
}
};
var description = Description.BlendState;
var colorBlendAttachments = new PipelineColorBlendAttachmentState[renderTargetCount];
var renderTargetBlendState = &description.RenderTarget0;
for (int i = 0; i < renderTargetCount; i++)
{
colorBlendAttachments[i] = new PipelineColorBlendAttachmentState
{
BlendEnable = renderTargetBlendState->BlendEnable,
AlphaBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->AlphaBlendFunction),
ColorBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->ColorBlendFunction),
DestinationAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaDestinationBlend),
DestinationColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorDestinationBlend),
SourceAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaSourceBlend),
SourceColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorSourceBlend),
ColorWriteMask = VulkanConvertExtensions.ConvertColorWriteChannels(renderTargetBlendState->ColorWriteChannels),
};
if (description.IndependentBlendEnable)
{
renderTargetBlendState++;
}
}
var viewportState = new PipelineViewportStateCreateInfo
{
StructureType = StructureType.PipelineViewportStateCreateInfo,
ScissorCount = 1,
ViewportCount = 1,
};
fixed(void *dynamicStatesPointer = dynamicStates.Length == 0?null : dynamicStates,
inputAttributesPointer = inputAttributes.Length == 0?null : inputAttributes,
inputBindingsPointer = inputBindings.Length == 0?null : inputBindings,
colorBlendAttachmentsPointer = colorBlendAttachments.Length == 0?null : colorBlendAttachments,
stagesPointer = stages.Length == 0?null : stages)
{
var vertexInputState = new PipelineVertexInputStateCreateInfo
{
StructureType = StructureType.PipelineVertexInputStateCreateInfo,
VertexAttributeDescriptionCount = (uint)inputAttributeCount,
VertexAttributeDescriptions = (IntPtr)inputAttributesPointer,
VertexBindingDescriptionCount = (uint)inputBindingCount,
VertexBindingDescriptions = (IntPtr)inputBindingsPointer,
};
var colorBlendState = new PipelineColorBlendStateCreateInfo
{
StructureType = StructureType.PipelineColorBlendStateCreateInfo,
AttachmentCount = (uint)renderTargetCount,
Attachments = (IntPtr)colorBlendAttachmentsPointer,
};
var dynamicState = new PipelineDynamicStateCreateInfo
{
StructureType = StructureType.PipelineDynamicStateCreateInfo,
DynamicStateCount = (uint)dynamicStates.Length,
DynamicStates = (IntPtr)dynamicStatesPointer,
};
var createInfo = new GraphicsPipelineCreateInfo
{
StructureType = StructureType.GraphicsPipelineCreateInfo,
StageCount = (uint)stages.Length,
Stages = (IntPtr)stagesPointer,
//TessellationState = new IntPtr(&tessellationState),
VertexInputState = new IntPtr(&vertexInputState),
InputAssemblyState = new IntPtr(&inputAssemblyState),
RasterizationState = new IntPtr(&rasterizationState),
MultisampleState = new IntPtr(&multisampleState),
DepthStencilState = new IntPtr(&depthStencilState),
ColorBlendState = new IntPtr(&colorBlendState),
DynamicState = new IntPtr(&dynamicState),
ViewportState = new IntPtr(&viewportState),
Subpass = 0,
};
using (GraphicsDevice.QueueLock.ReadLock())
{
NativeRenderPass = GraphicsDevice.NativeDevice.CreateRenderPass(ref renderPassCreateInfo);
NativeLayout = GraphicsDevice.NativeDevice.CreatePipelineLayout(ref pipelineLayoutCreateInfo);
createInfo.Layout = NativeLayout;
createInfo.RenderPass = NativeRenderPass;
try {
NativePipeline = GraphicsDevice.NativeDevice.CreateGraphicsPipelines(PipelineCache.Null, 1, &createInfo);
} catch (Exception e) {
errorDuringCreate = true;
NativePipeline = Pipeline.Null;
}
}
}
// Cleanup shader modules
for (int i = 0; i < stages.Length; i++)
{
GraphicsDevice.NativeDevice.DestroyShaderModule(stages[i].Module);
}
}
private unsafe void Recreate()
{
if (Description.RootSignature == null)
return;
CreateRenderPass(Description);
CreatePipelineLayout(Description);
// Create shader stages
Dictionary<int, string> inputAttributeNames;
var stages = CreateShaderStages(Description, out inputAttributeNames);
var inputAttributes = new VertexInputAttributeDescription[Description.InputElements.Length];
int inputAttributeCount = 0;
var inputBindings = new VertexInputBindingDescription[inputAttributes.Length];
int inputBindingCount = 0;
for (int inputElementIndex = 0; inputElementIndex < inputAttributes.Length; inputElementIndex++)
{
var inputElement = Description.InputElements[inputElementIndex];
var slotIndex = inputElement.InputSlot;
if (inputElement.InstanceDataStepRate > 1)
{
throw new NotImplementedException();
}
Format format;
int size;
bool isCompressed;
VulkanConvertExtensions.ConvertPixelFormat(inputElement.Format, out format, out size, out isCompressed);
var location = inputAttributeNames.FirstOrDefault(x => x.Value == inputElement.SemanticName && inputElement.SemanticIndex == 0 || x.Value == inputElement.SemanticName + inputElement.SemanticIndex);
if (location.Value != null)
{
inputAttributes[inputAttributeCount++] = new VertexInputAttributeDescription
{
Format = format,
Offset = (uint)inputElement.AlignedByteOffset,
Binding = (uint)inputElement.InputSlot,
Location = (uint)location.Key
};
}
inputBindings[slotIndex].Binding = (uint)slotIndex;
inputBindings[slotIndex].InputRate = inputElement.InputSlotClass == InputClassification.Vertex ? VertexInputRate.Vertex : VertexInputRate.Instance;
// TODO VULKAN: This is currently an argument to Draw() overloads.
if (inputBindings[slotIndex].Stride < inputElement.AlignedByteOffset + size)
inputBindings[slotIndex].Stride = (uint)(inputElement.AlignedByteOffset + size);
if (inputElement.InputSlot >= inputBindingCount)
inputBindingCount = inputElement.InputSlot + 1;
}
var inputAssemblyState = new PipelineInputAssemblyStateCreateInfo
{
StructureType = StructureType.PipelineInputAssemblyStateCreateInfo,
Topology = VulkanConvertExtensions.ConvertPrimitiveType(Description.PrimitiveType),
PrimitiveRestartEnable = true,
};
// TODO VULKAN: Tessellation and multisampling
var multisampleState = new PipelineMultisampleStateCreateInfo
{
StructureType = StructureType.PipelineMultisampleStateCreateInfo,
RasterizationSamples = SampleCountFlags.Sample1
};
var tessellationState = new PipelineTessellationStateCreateInfo();
var rasterizationState = CreateRasterizationState(Description.RasterizerState);
var depthStencilState = CreateDepthStencilState(Description);
var description = Description.BlendState;
var renderTargetCount = Description.Output.RenderTargetCount;
var colorBlendAttachments = new PipelineColorBlendAttachmentState[renderTargetCount];
var renderTargetBlendState = &description.RenderTarget0;
for (int i = 0; i < renderTargetCount; i++)
{
colorBlendAttachments[i] = new PipelineColorBlendAttachmentState
{
BlendEnable = renderTargetBlendState->BlendEnable,
AlphaBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->AlphaBlendFunction),
ColorBlendOperation = VulkanConvertExtensions.ConvertBlendFunction(renderTargetBlendState->ColorBlendFunction),
DestinationAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaDestinationBlend),
DestinationColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorDestinationBlend),
SourceAlphaBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->AlphaSourceBlend),
SourceColorBlendFactor = VulkanConvertExtensions.ConvertBlend(renderTargetBlendState->ColorSourceBlend),
ColorWriteMask = VulkanConvertExtensions.ConvertColorWriteChannels(renderTargetBlendState->ColorWriteChannels),
};
if (description.IndependentBlendEnable)
renderTargetBlendState++;
}
var viewportState = new PipelineViewportStateCreateInfo
{
StructureType = StructureType.PipelineViewportStateCreateInfo,
ScissorCount = 1,
ViewportCount = 1,
};
fixed (DynamicState* dynamicStatesPointer = &dynamicStates[0])
{
var vertexInputState = new PipelineVertexInputStateCreateInfo
{
StructureType = StructureType.PipelineVertexInputStateCreateInfo,
VertexAttributeDescriptionCount = (uint)inputAttributeCount,
VertexAttributeDescriptions = inputAttributes.Length > 0 ? new IntPtr(Interop.Fixed(inputAttributes)) : IntPtr.Zero,
VertexBindingDescriptionCount = (uint)inputBindingCount,
VertexBindingDescriptions = inputBindings.Length > 0 ? new IntPtr(Interop.Fixed(inputBindings)) : IntPtr.Zero,
};
var colorBlendState = new PipelineColorBlendStateCreateInfo
{
StructureType = StructureType.PipelineColorBlendStateCreateInfo,
AttachmentCount = (uint)renderTargetCount,
Attachments = colorBlendAttachments.Length > 0 ? new IntPtr(Interop.Fixed(colorBlendAttachments)) : IntPtr.Zero,
};
var dynamicState = new PipelineDynamicStateCreateInfo
{
StructureType = StructureType.PipelineDynamicStateCreateInfo,
DynamicStateCount = (uint)dynamicStates.Length,
DynamicStates = new IntPtr(dynamicStatesPointer)
};
var createInfo = new GraphicsPipelineCreateInfo
{
StructureType = StructureType.GraphicsPipelineCreateInfo,
Layout = NativeLayout,
StageCount = (uint)stages.Length,
Stages = stages.Length > 0 ? new IntPtr(Interop.Fixed(stages)) : IntPtr.Zero,
//TessellationState = new IntPtr(&tessellationState),
VertexInputState = new IntPtr(&vertexInputState),
InputAssemblyState = new IntPtr(&inputAssemblyState),
RasterizationState = new IntPtr(&rasterizationState),
MultisampleState = new IntPtr(&multisampleState),
DepthStencilState = new IntPtr(&depthStencilState),
ColorBlendState = new IntPtr(&colorBlendState),
DynamicState = new IntPtr(&dynamicState),
ViewportState = new IntPtr(&viewportState),
RenderPass = NativeRenderPass,
Subpass = 0,
};
NativePipeline = GraphicsDevice.NativeDevice.CreateGraphicsPipelines(PipelineCache.Null, 1, &createInfo);
}
// Cleanup shader modules
foreach (var stage in stages)
{
GraphicsDevice.NativeDevice.DestroyShaderModule(stage.Module);
}
}
