public VkPipelineShaderStageCreateInfo GetVertPipeline()
{
VkPipelineShaderStageCreateInfo shaderStage = VkPipelineShaderStageCreateInfo.New();
shaderStage.stage = VkShaderStageFlags.Vertex;
shaderStage.module = vkVert;
shaderStage.pName = entryPoint;
Debug.Assert(shaderStage.module.Handle != 0);
return(shaderStage);
}
protected VkPipelineShaderStageCreateInfo loadShader(string fileName, VkShaderStageFlags stage)
{
VkPipelineShaderStageCreateInfo shaderStage = VkPipelineShaderStageCreateInfo.New();
shaderStage.stage = stage;
shaderStage.module = Tools.loadShader(fileName, device, stage);
shaderStage.pName = Strings.main; // todo : make param
Debug.Assert(shaderStage.module.Handle != 0);
shaderModules.Add(shaderStage.module);
return(shaderStage);
}
public VkPipeline(VkGraphicsDevice gd, ref ComputePipelineDescription description)
: base(ref description)
{
_gd = gd;
IsComputePipeline = true;
VkComputePipelineCreateInfo pipelineCI = VkComputePipelineCreateInfo.New();
// Pipeline Layout
ResourceLayout[] resourceLayouts = description.ResourceLayouts;
VkPipelineLayoutCreateInfo pipelineLayoutCI = VkPipelineLayoutCreateInfo.New();
pipelineLayoutCI.setLayoutCount = (uint)resourceLayouts.Length;
VkDescriptorSetLayout *dsls = stackalloc VkDescriptorSetLayout[resourceLayouts.Length];
for (int i = 0; i < resourceLayouts.Length; i++)
{
dsls[i] = Util.AssertSubtype <ResourceLayout, VkResourceLayout>(resourceLayouts[i]).DescriptorSetLayout;
}
pipelineLayoutCI.pSetLayouts = dsls;
vkCreatePipelineLayout(_gd.Device, ref pipelineLayoutCI, null, out _pipelineLayout);
pipelineCI.layout = _pipelineLayout;
// Shader Stage
Shader shader = description.ComputeShader;
VkShader vkShader = Util.AssertSubtype <Shader, VkShader>(shader);
VkPipelineShaderStageCreateInfo stageCI = VkPipelineShaderStageCreateInfo.New();
stageCI.module = vkShader.ShaderModule;
stageCI.stage = VkFormats.VdToVkShaderStages(shader.Stage);
stageCI.pName = CommonStrings.main; // Meh
pipelineCI.stage = stageCI;
VkResult result = vkCreateComputePipelines(
_gd.Device,
VkPipelineCache.Null,
1,
ref pipelineCI,
null,
out _devicePipeline);
CheckResult(result);
ResourceSetCount = (uint)description.ResourceLayouts.Length;
}
public VkPipeline(VkGraphicsDevice gd, ref GraphicsPipelineDescription description)
: base(ref description)
{
_gd = gd;
IsComputePipeline = false;
RefCount = new ResourceRefCount(DisposeCore);
VkGraphicsPipelineCreateInfo pipelineCI = VkGraphicsPipelineCreateInfo.New();
// Blend State
VkPipelineColorBlendStateCreateInfo blendStateCI = VkPipelineColorBlendStateCreateInfo.New();
int attachmentsCount = description.BlendState.AttachmentStates.Length;
VkPipelineColorBlendAttachmentState *attachmentsPtr
= stackalloc VkPipelineColorBlendAttachmentState[attachmentsCount];
for (int i = 0; i < attachmentsCount; i++)
{
BlendAttachmentDescription vdDesc = description.BlendState.AttachmentStates[i];
VkPipelineColorBlendAttachmentState attachmentState = new VkPipelineColorBlendAttachmentState();
attachmentState.srcColorBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.SourceColorFactor);
attachmentState.dstColorBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.DestinationColorFactor);
attachmentState.colorBlendOp = VkFormats.VdToVkBlendOp(vdDesc.ColorFunction);
attachmentState.srcAlphaBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.SourceAlphaFactor);
attachmentState.dstAlphaBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.DestinationAlphaFactor);
attachmentState.alphaBlendOp = VkFormats.VdToVkBlendOp(vdDesc.AlphaFunction);
attachmentState.blendEnable = vdDesc.BlendEnabled;
attachmentState.colorWriteMask = VkColorComponentFlags.R | VkColorComponentFlags.G | VkColorComponentFlags.B | VkColorComponentFlags.A;
attachmentsPtr[i] = attachmentState;
}
blendStateCI.attachmentCount = (uint)attachmentsCount;
blendStateCI.pAttachments = attachmentsPtr;
RgbaFloat blendFactor = description.BlendState.BlendFactor;
blendStateCI.blendConstants_0 = blendFactor.R;
blendStateCI.blendConstants_1 = blendFactor.G;
blendStateCI.blendConstants_2 = blendFactor.B;
blendStateCI.blendConstants_3 = blendFactor.A;
pipelineCI.pColorBlendState = &blendStateCI;
// Rasterizer State
RasterizerStateDescription rsDesc = description.RasterizerState;
VkPipelineRasterizationStateCreateInfo rsCI = VkPipelineRasterizationStateCreateInfo.New();
rsCI.cullMode = VkFormats.VdToVkCullMode(rsDesc.CullMode);
rsCI.polygonMode = VkFormats.VdToVkPolygonMode(rsDesc.FillMode);
rsCI.depthClampEnable = !rsDesc.DepthClipEnabled;
rsCI.frontFace = rsDesc.FrontFace == FrontFace.Clockwise ? VkFrontFace.Clockwise : VkFrontFace.CounterClockwise;
rsCI.lineWidth = 1f;
pipelineCI.pRasterizationState = &rsCI;
ScissorTestEnabled = rsDesc.ScissorTestEnabled;
// Dynamic State
VkPipelineDynamicStateCreateInfo dynamicStateCI = VkPipelineDynamicStateCreateInfo.New();
VkDynamicState *dynamicStates = stackalloc VkDynamicState[2];
dynamicStates[0] = VkDynamicState.Viewport;
dynamicStates[1] = VkDynamicState.Scissor;
dynamicStateCI.dynamicStateCount = 2;
dynamicStateCI.pDynamicStates = dynamicStates;
pipelineCI.pDynamicState = &dynamicStateCI;
// Depth Stencil State
DepthStencilStateDescription vdDssDesc = description.DepthStencilState;
VkPipelineDepthStencilStateCreateInfo dssCI = VkPipelineDepthStencilStateCreateInfo.New();
dssCI.depthWriteEnable = vdDssDesc.DepthWriteEnabled;
dssCI.depthTestEnable = vdDssDesc.DepthTestEnabled;
dssCI.depthCompareOp = VkFormats.VdToVkCompareOp(vdDssDesc.DepthComparison);
dssCI.stencilTestEnable = vdDssDesc.StencilTestEnabled;
dssCI.front.failOp = VkFormats.VdToVkStencilOp(vdDssDesc.StencilFront.Fail);
dssCI.front.passOp = VkFormats.VdToVkStencilOp(vdDssDesc.StencilFront.Pass);
dssCI.front.depthFailOp = VkFormats.VdToVkStencilOp(vdDssDesc.StencilFront.DepthFail);
dssCI.front.compareOp = VkFormats.VdToVkCompareOp(vdDssDesc.StencilFront.Comparison);
dssCI.front.compareMask = vdDssDesc.StencilReadMask;
dssCI.front.writeMask = vdDssDesc.StencilWriteMask;
dssCI.front.reference = vdDssDesc.StencilReference;
dssCI.back.failOp = VkFormats.VdToVkStencilOp(vdDssDesc.StencilBack.Fail);
dssCI.back.passOp = VkFormats.VdToVkStencilOp(vdDssDesc.StencilBack.Pass);
dssCI.back.depthFailOp = VkFormats.VdToVkStencilOp(vdDssDesc.StencilBack.DepthFail);
dssCI.back.compareOp = VkFormats.VdToVkCompareOp(vdDssDesc.StencilBack.Comparison);
dssCI.back.compareMask = vdDssDesc.StencilReadMask;
dssCI.back.writeMask = vdDssDesc.StencilWriteMask;
dssCI.back.reference = vdDssDesc.StencilReference;
pipelineCI.pDepthStencilState = &dssCI;
// Multisample
VkPipelineMultisampleStateCreateInfo multisampleCI = VkPipelineMultisampleStateCreateInfo.New();
VkSampleCountFlags vkSampleCount = VkFormats.VdToVkSampleCount(description.Outputs.SampleCount);
multisampleCI.rasterizationSamples = vkSampleCount;
multisampleCI.alphaToCoverageEnable = description.BlendState.AlphaToCoverageEnabled;
pipelineCI.pMultisampleState = &multisampleCI;
// Input Assembly
VkPipelineInputAssemblyStateCreateInfo inputAssemblyCI = VkPipelineInputAssemblyStateCreateInfo.New();
inputAssemblyCI.topology = VkFormats.VdToVkPrimitiveTopology(description.PrimitiveTopology);
pipelineCI.pInputAssemblyState = &inputAssemblyCI;
// Vertex Input State
VkPipelineVertexInputStateCreateInfo vertexInputCI = VkPipelineVertexInputStateCreateInfo.New();
VertexLayoutDescription[] inputDescriptions = description.ShaderSet.VertexLayouts;
uint bindingCount = (uint)inputDescriptions.Length;
uint attributeCount = 0;
for (int i = 0; i < inputDescriptions.Length; i++)
{
attributeCount += (uint)inputDescriptions[i].Elements.Length;
}
VkVertexInputBindingDescription * bindingDescs = stackalloc VkVertexInputBindingDescription[(int)bindingCount];
VkVertexInputAttributeDescription *attributeDescs = stackalloc VkVertexInputAttributeDescription[(int)attributeCount];
int targetIndex = 0;
int targetLocation = 0;
for (int binding = 0; binding < inputDescriptions.Length; binding++)
{
VertexLayoutDescription inputDesc = inputDescriptions[binding];
bindingDescs[binding] = new VkVertexInputBindingDescription()
{
binding = (uint)binding,
inputRate = (inputDesc.InstanceStepRate != 0) ? VkVertexInputRate.Instance : VkVertexInputRate.Vertex,
stride = inputDesc.Stride
};
uint currentOffset = 0;
for (int location = 0; location < inputDesc.Elements.Length; location++)
{
VertexElementDescription inputElement = inputDesc.Elements[location];
attributeDescs[targetIndex] = new VkVertexInputAttributeDescription()
{
format = VkFormats.VdToVkVertexElementFormat(inputElement.Format),
binding = (uint)binding,
location = (uint)(targetLocation + location),
offset = inputElement.Offset != 0 ? inputElement.Offset : currentOffset
};
targetIndex += 1;
currentOffset += FormatHelpers.GetSizeInBytes(inputElement.Format);
}
targetLocation += inputDesc.Elements.Length;
}
vertexInputCI.vertexBindingDescriptionCount = bindingCount;
vertexInputCI.pVertexBindingDescriptions = bindingDescs;
vertexInputCI.vertexAttributeDescriptionCount = attributeCount;
vertexInputCI.pVertexAttributeDescriptions = attributeDescs;
pipelineCI.pVertexInputState = &vertexInputCI;
// Shader Stage
VkSpecializationInfo specializationInfo;
SpecializationConstant[] specDescs = description.ShaderSet.Specializations;
if (specDescs != null)
{
uint specDataSize = 0;
foreach (SpecializationConstant spec in specDescs)
{
specDataSize += VkFormats.GetSpecializationConstantSize(spec.Type);
}
byte *fullSpecData = stackalloc byte[(int)specDataSize];
int specializationCount = specDescs.Length;
VkSpecializationMapEntry *mapEntries = stackalloc VkSpecializationMapEntry[specializationCount];
uint specOffset = 0;
for (int i = 0; i < specializationCount; i++)
{
ulong data = specDescs[i].Data;
byte *srcData = (byte *)&data;
uint dataSize = VkFormats.GetSpecializationConstantSize(specDescs[i].Type);
Unsafe.CopyBlock(fullSpecData + specOffset, srcData, dataSize);
mapEntries[i].constantID = specDescs[i].ID;
mapEntries[i].offset = specOffset;
mapEntries[i].size = (UIntPtr)dataSize;
specOffset += dataSize;
}
specializationInfo.dataSize = (UIntPtr)specDataSize;
specializationInfo.pData = fullSpecData;
specializationInfo.mapEntryCount = (uint)specializationCount;
specializationInfo.pMapEntries = mapEntries;
}
Shader[] shaders = description.ShaderSet.Shaders;
StackList <VkPipelineShaderStageCreateInfo> stages = new StackList <VkPipelineShaderStageCreateInfo>();
foreach (Shader shader in shaders)
{
VkShader vkShader = Util.AssertSubtype <Shader, VkShader>(shader);
VkPipelineShaderStageCreateInfo stageCI = VkPipelineShaderStageCreateInfo.New();
stageCI.module = vkShader.ShaderModule;
stageCI.stage = VkFormats.VdToVkShaderStages(shader.Stage);
// stageCI.pName = CommonStrings.main; // Meh
stageCI.pName = new FixedUtf8String(shader.EntryPoint); // TODO: DONT ALLOCATE HERE
stageCI.pSpecializationInfo = &specializationInfo;
stages.Add(stageCI);
}
pipelineCI.stageCount = stages.Count;
pipelineCI.pStages = (VkPipelineShaderStageCreateInfo *)stages.Data;
// ViewportState
VkPipelineViewportStateCreateInfo viewportStateCI = VkPipelineViewportStateCreateInfo.New();
viewportStateCI.viewportCount = 1;
viewportStateCI.scissorCount = 1;
pipelineCI.pViewportState = &viewportStateCI;
// Pipeline Layout
ResourceLayout[] resourceLayouts = description.ResourceLayouts;
VkPipelineLayoutCreateInfo pipelineLayoutCI = VkPipelineLayoutCreateInfo.New();
pipelineLayoutCI.setLayoutCount = (uint)resourceLayouts.Length;
VkDescriptorSetLayout *dsls = stackalloc VkDescriptorSetLayout[resourceLayouts.Length];
for (int i = 0; i < resourceLayouts.Length; i++)
{
dsls[i] = Util.AssertSubtype <ResourceLayout, VkResourceLayout>(resourceLayouts[i]).DescriptorSetLayout;
}
pipelineLayoutCI.pSetLayouts = dsls;
vkCreatePipelineLayout(_gd.Device, ref pipelineLayoutCI, null, out _pipelineLayout);
pipelineCI.layout = _pipelineLayout;
// Create fake RenderPass for compatibility.
VkRenderPassCreateInfo renderPassCI = VkRenderPassCreateInfo.New();
OutputDescription outputDesc = description.Outputs;
StackList <VkAttachmentDescription, Size512Bytes> attachments = new StackList <VkAttachmentDescription, Size512Bytes>();
// TODO: A huge portion of this next part is duplicated in VkFramebuffer.cs.
StackList <VkAttachmentDescription> colorAttachmentDescs = new StackList <VkAttachmentDescription>();
StackList <VkAttachmentReference> colorAttachmentRefs = new StackList <VkAttachmentReference>();
for (uint i = 0; i < outputDesc.ColorAttachments.Length; i++)
{
colorAttachmentDescs[i].format = VkFormats.VdToVkPixelFormat(outputDesc.ColorAttachments[i].Format);
colorAttachmentDescs[i].samples = vkSampleCount;
colorAttachmentDescs[i].loadOp = VkAttachmentLoadOp.DontCare;
colorAttachmentDescs[i].storeOp = VkAttachmentStoreOp.Store;
colorAttachmentDescs[i].stencilLoadOp = VkAttachmentLoadOp.DontCare;
colorAttachmentDescs[i].stencilStoreOp = VkAttachmentStoreOp.DontCare;
colorAttachmentDescs[i].initialLayout = VkImageLayout.Undefined;
colorAttachmentDescs[i].finalLayout = VkImageLayout.ShaderReadOnlyOptimal;
attachments.Add(colorAttachmentDescs[i]);
colorAttachmentRefs[i].attachment = i;
colorAttachmentRefs[i].layout = VkImageLayout.ColorAttachmentOptimal;
}
VkAttachmentDescription depthAttachmentDesc = new VkAttachmentDescription();
VkAttachmentReference depthAttachmentRef = new VkAttachmentReference();
if (outputDesc.DepthAttachment != null)
{
PixelFormat depthFormat = outputDesc.DepthAttachment.Value.Format;
bool hasStencil = FormatHelpers.IsStencilFormat(depthFormat);
depthAttachmentDesc.format = VkFormats.VdToVkPixelFormat(outputDesc.DepthAttachment.Value.Format, toDepthFormat: true);
depthAttachmentDesc.samples = vkSampleCount;
depthAttachmentDesc.loadOp = VkAttachmentLoadOp.DontCare;
depthAttachmentDesc.storeOp = VkAttachmentStoreOp.Store;
depthAttachmentDesc.stencilLoadOp = VkAttachmentLoadOp.DontCare;
depthAttachmentDesc.stencilStoreOp = hasStencil ? VkAttachmentStoreOp.Store : VkAttachmentStoreOp.DontCare;
depthAttachmentDesc.initialLayout = VkImageLayout.Undefined;
depthAttachmentDesc.finalLayout = VkImageLayout.DepthStencilAttachmentOptimal;
depthAttachmentRef.attachment = (uint)outputDesc.ColorAttachments.Length;
depthAttachmentRef.layout = VkImageLayout.DepthStencilAttachmentOptimal;
}
VkSubpassDescription subpass = new VkSubpassDescription();
subpass.pipelineBindPoint = VkPipelineBindPoint.Graphics;
subpass.colorAttachmentCount = (uint)outputDesc.ColorAttachments.Length;
subpass.pColorAttachments = (VkAttachmentReference *)colorAttachmentRefs.Data;
for (int i = 0; i < colorAttachmentDescs.Count; i++)
{
attachments.Add(colorAttachmentDescs[i]);
}
if (outputDesc.DepthAttachment != null)
{
subpass.pDepthStencilAttachment = &depthAttachmentRef;
attachments.Add(depthAttachmentDesc);
}
VkSubpassDependency subpassDependency = new VkSubpassDependency();
subpassDependency.srcSubpass = SubpassExternal;
subpassDependency.srcStageMask = VkPipelineStageFlags.ColorAttachmentOutput;
subpassDependency.dstStageMask = VkPipelineStageFlags.ColorAttachmentOutput;
subpassDependency.dstAccessMask = VkAccessFlags.ColorAttachmentRead | VkAccessFlags.ColorAttachmentWrite;
renderPassCI.attachmentCount = attachments.Count;
renderPassCI.pAttachments = (VkAttachmentDescription *)attachments.Data;
renderPassCI.subpassCount = 1;
renderPassCI.pSubpasses = &subpass;
renderPassCI.dependencyCount = 1;
renderPassCI.pDependencies = &subpassDependency;
VkResult creationResult = vkCreateRenderPass(_gd.Device, ref renderPassCI, null, out _renderPass);
CheckResult(creationResult);
pipelineCI.renderPass = _renderPass;
VkResult result = vkCreateGraphicsPipelines(_gd.Device, VkPipelineCache.Null, 1, ref pipelineCI, null, out _devicePipeline);
CheckResult(result);
ResourceSetCount = (uint)description.ResourceLayouts.Length;
DynamicOffsetsCount = 0;
foreach (VkResourceLayout layout in description.ResourceLayouts)
{
DynamicOffsetsCount += layout.DynamicBufferCount;
}
}
public VkPipeline(VkGraphicsDevice gd, ref ComputePipelineDescription description)
: base(ref description)
{
_gd = gd;
IsComputePipeline = true;
RefCount = new ResourceRefCount(DisposeCore);
VkComputePipelineCreateInfo pipelineCI = VkComputePipelineCreateInfo.New();
// Pipeline Layout
ResourceLayout[] resourceLayouts = description.ResourceLayouts;
VkPipelineLayoutCreateInfo pipelineLayoutCI = VkPipelineLayoutCreateInfo.New();
pipelineLayoutCI.setLayoutCount = (uint)resourceLayouts.Length;
VkDescriptorSetLayout *dsls = stackalloc VkDescriptorSetLayout[resourceLayouts.Length];
for (int i = 0; i < resourceLayouts.Length; i++)
{
dsls[i] = Util.AssertSubtype <ResourceLayout, VkResourceLayout>(resourceLayouts[i]).DescriptorSetLayout;
}
pipelineLayoutCI.pSetLayouts = dsls;
vkCreatePipelineLayout(_gd.Device, ref pipelineLayoutCI, null, out _pipelineLayout);
pipelineCI.layout = _pipelineLayout;
// Shader Stage
VkSpecializationInfo specializationInfo;
SpecializationConstant[] specDescs = description.Specializations;
if (specDescs != null)
{
uint specDataSize = 0;
foreach (SpecializationConstant spec in specDescs)
{
specDataSize += VkFormats.GetSpecializationConstantSize(spec.Type);
}
byte *fullSpecData = stackalloc byte[(int)specDataSize];
int specializationCount = specDescs.Length;
VkSpecializationMapEntry *mapEntries = stackalloc VkSpecializationMapEntry[specializationCount];
uint specOffset = 0;
for (int i = 0; i < specializationCount; i++)
{
ulong data = specDescs[i].Data;
byte *srcData = (byte *)&data;
uint dataSize = VkFormats.GetSpecializationConstantSize(specDescs[i].Type);
Unsafe.CopyBlock(fullSpecData + specOffset, srcData, dataSize);
mapEntries[i].constantID = specDescs[i].ID;
mapEntries[i].offset = specOffset;
mapEntries[i].size = (UIntPtr)dataSize;
specOffset += dataSize;
}
specializationInfo.dataSize = (UIntPtr)specDataSize;
specializationInfo.pData = fullSpecData;
specializationInfo.mapEntryCount = (uint)specializationCount;
specializationInfo.pMapEntries = mapEntries;
}
Shader shader = description.ComputeShader;
VkShader vkShader = Util.AssertSubtype <Shader, VkShader>(shader);
VkPipelineShaderStageCreateInfo stageCI = VkPipelineShaderStageCreateInfo.New();
stageCI.module = vkShader.ShaderModule;
stageCI.stage = VkFormats.VdToVkShaderStages(shader.Stage);
stageCI.pName = CommonStrings.main; // Meh
stageCI.pSpecializationInfo = &specializationInfo;
pipelineCI.stage = stageCI;
VkResult result = vkCreateComputePipelines(
_gd.Device,
VkPipelineCache.Null,
1,
ref pipelineCI,
null,
out _devicePipeline);
CheckResult(result);
ResourceSetCount = (uint)description.ResourceLayouts.Length;
DynamicOffsetsCount = 0;
foreach (VkResourceLayout layout in description.ResourceLayouts)
{
DynamicOffsetsCount += layout.DynamicBufferCount;
}
}
public VkPipeline(VkGraphicsDevice gd, ref PipelineDescription description)
{
_gd = gd;
VkGraphicsPipelineCreateInfo pipelineCI = VkGraphicsPipelineCreateInfo.New();
// Blend State
VkPipelineColorBlendStateCreateInfo blendStateCI = VkPipelineColorBlendStateCreateInfo.New();
int attachmentsCount = description.BlendState.AttachmentStates.Length;
VkPipelineColorBlendAttachmentState *attachmentsPtr
= stackalloc VkPipelineColorBlendAttachmentState[attachmentsCount];
for (int i = 0; i < attachmentsCount; i++)
{
BlendAttachmentDescription vdDesc = description.BlendState.AttachmentStates[i];
VkPipelineColorBlendAttachmentState attachmentState = new VkPipelineColorBlendAttachmentState();
attachmentState.srcColorBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.SourceColorFactor);
attachmentState.dstColorBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.DestinationColorFactor);
attachmentState.colorBlendOp = VkFormats.VdToVkBlendOp(vdDesc.ColorFunction);
attachmentState.srcAlphaBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.SourceAlphaFactor);
attachmentState.dstAlphaBlendFactor = VkFormats.VdToVkBlendFactor(vdDesc.DestinationAlphaFactor);
attachmentState.alphaBlendOp = VkFormats.VdToVkBlendOp(vdDesc.AlphaFunction);
attachmentState.blendEnable = vdDesc.BlendEnabled;
attachmentState.colorWriteMask = VkColorComponentFlags.R | VkColorComponentFlags.G | VkColorComponentFlags.B | VkColorComponentFlags.A;
attachmentsPtr[i] = attachmentState;
}
blendStateCI.attachmentCount = (uint)attachmentsCount;
blendStateCI.pAttachments = attachmentsPtr;
RgbaFloat blendFactor = description.BlendState.BlendFactor;
blendStateCI.blendConstants_0 = blendFactor.R;
blendStateCI.blendConstants_1 = blendFactor.G;
blendStateCI.blendConstants_2 = blendFactor.B;
blendStateCI.blendConstants_3 = blendFactor.A;
pipelineCI.pColorBlendState = &blendStateCI;
// Rasterizer State
RasterizerStateDescription rsDesc = description.RasterizerState;
VkPipelineRasterizationStateCreateInfo rsCI = VkPipelineRasterizationStateCreateInfo.New();
rsCI.cullMode = VkFormats.VdToVkCullMode(rsDesc.CullMode);
rsCI.polygonMode = VkFormats.VdToVkPolygonMode(rsDesc.FillMode);
rsCI.depthClampEnable = !rsDesc.DepthClipEnabled;
rsCI.frontFace = VkFrontFace.Clockwise;
rsCI.lineWidth = 1f;
pipelineCI.pRasterizationState = &rsCI;
// Dynamic State
VkPipelineDynamicStateCreateInfo dynamicStateCI = VkPipelineDynamicStateCreateInfo.New();
VkDynamicState *dynamicStates = stackalloc VkDynamicState[2];
dynamicStates[0] = VkDynamicState.Viewport;
dynamicStates[1] = VkDynamicState.Scissor;
dynamicStateCI.dynamicStateCount = 2;
dynamicStateCI.pDynamicStates = dynamicStates;
pipelineCI.pDynamicState = &dynamicStateCI;
// Depth Stencil State
DepthStencilStateDescription vdDssDesc = description.DepthStencilState;
VkPipelineDepthStencilStateCreateInfo dssCI = VkPipelineDepthStencilStateCreateInfo.New();
dssCI.depthWriteEnable = vdDssDesc.DepthWriteEnabled;
dssCI.depthTestEnable = vdDssDesc.DepthTestEnabled;
dssCI.depthCompareOp = VkFormats.VdToVkCompareOp(vdDssDesc.ComparisonKind);
pipelineCI.pDepthStencilState = &dssCI;
// Multisample
VkPipelineMultisampleStateCreateInfo multisampleCI = VkPipelineMultisampleStateCreateInfo.New();
multisampleCI.rasterizationSamples = VkSampleCountFlags.Count1;
pipelineCI.pMultisampleState = &multisampleCI;
// Input Assembly
VkPipelineInputAssemblyStateCreateInfo inputAssemblyCI = VkPipelineInputAssemblyStateCreateInfo.New();
inputAssemblyCI.topology = VkFormats.VdToVkPrimitiveTopology(description.PrimitiveTopology);
pipelineCI.pInputAssemblyState = &inputAssemblyCI;
// Vertex Input State
VkPipelineVertexInputStateCreateInfo vertexInputCI = VkPipelineVertexInputStateCreateInfo.New();
VertexLayoutDescription[] inputDescriptions = description.ShaderSet.VertexLayouts;
uint bindingCount = (uint)inputDescriptions.Length;
uint attributeCount = 0;
for (int i = 0; i < inputDescriptions.Length; i++)
{
attributeCount += (uint)inputDescriptions[i].Elements.Length;
}
VkVertexInputBindingDescription * bindingDescs = stackalloc VkVertexInputBindingDescription[(int)bindingCount];
VkVertexInputAttributeDescription *attributeDescs = stackalloc VkVertexInputAttributeDescription[(int)attributeCount];
int targetIndex = 0;
int targetLocation = 0;
for (int binding = 0; binding < inputDescriptions.Length; binding++)
{
VertexLayoutDescription inputDesc = inputDescriptions[binding];
bindingDescs[targetIndex] = new VkVertexInputBindingDescription()
{
binding = (uint)binding,
inputRate = (inputDesc.Elements[0].InstanceStepRate != 0) ? VkVertexInputRate.Instance : VkVertexInputRate.Vertex,
stride = inputDesc.Stride
};
uint currentOffset = 0;
for (int location = 0; location < inputDesc.Elements.Length; location++)
{
VertexElementDescription inputElement = inputDesc.Elements[location];
attributeDescs[targetIndex] = new VkVertexInputAttributeDescription()
{
format = VkFormats.VdToVkVertexElementFormat(inputElement.Format),
binding = (uint)binding,
location = (uint)(targetLocation + location),
offset = currentOffset
};
targetIndex += 1;
currentOffset += FormatHelpers.GetSizeInBytes(inputElement.Format);
}
targetLocation += inputDesc.Elements.Length;
}
vertexInputCI.vertexBindingDescriptionCount = bindingCount;
vertexInputCI.pVertexBindingDescriptions = bindingDescs;
vertexInputCI.vertexAttributeDescriptionCount = attributeCount;
vertexInputCI.pVertexAttributeDescriptions = attributeDescs;
pipelineCI.pVertexInputState = &vertexInputCI;
// Shader Stage
ShaderStageDescription[] stageDescs = description.ShaderSet.ShaderStages;
StackList <VkPipelineShaderStageCreateInfo> stages = new StackList <VkPipelineShaderStageCreateInfo>();
foreach (ShaderStageDescription stageDesc in stageDescs)
{
VkShader vkShader = Util.AssertSubtype <Shader, VkShader>(stageDesc.Shader);
VkPipelineShaderStageCreateInfo stageCI = VkPipelineShaderStageCreateInfo.New();
stageCI.module = vkShader.ShaderModule;
stageCI.stage = VkFormats.VdToVkShaderStages(stageDesc.Stage);
stageCI.pName = CommonStrings.main; // Meh
stages.Add(stageCI);
}
pipelineCI.stageCount = stages.Count;
pipelineCI.pStages = (VkPipelineShaderStageCreateInfo *)stages.Data;
// ViewportState
VkPipelineViewportStateCreateInfo viewportStateCI = VkPipelineViewportStateCreateInfo.New();
viewportStateCI.viewportCount = 1;
viewportStateCI.scissorCount = 1;
pipelineCI.pViewportState = &viewportStateCI;
// Pipeline Layout
ResourceLayout[] resourceLayouts = description.ResourceLayouts;
VkPipelineLayoutCreateInfo pipelineLayoutCI = VkPipelineLayoutCreateInfo.New();
pipelineLayoutCI.setLayoutCount = (uint)resourceLayouts.Length;
VkDescriptorSetLayout *dsls = stackalloc VkDescriptorSetLayout[resourceLayouts.Length];
for (int i = 0; i < resourceLayouts.Length; i++)
{
dsls[i] = Util.AssertSubtype <ResourceLayout, VkResourceLayout>(resourceLayouts[i]).DescriptorSetLayout;
}
pipelineLayoutCI.pSetLayouts = dsls;
vkCreatePipelineLayout(_gd.Device, ref pipelineLayoutCI, null, out _pipelineLayout);
pipelineCI.layout = _pipelineLayout;
// Create fake RenderPass for compatibility.
VkRenderPassCreateInfo renderPassCI = VkRenderPassCreateInfo.New();
OutputDescription outputDesc = description.Outputs;
if (outputDesc.ColorAttachments.Length > 1)
{
throw new NotImplementedException("Laziness");
}
VkAttachmentDescription colorAttachmentDesc = new VkAttachmentDescription();
colorAttachmentDesc.format = outputDesc.ColorAttachments.Length > 0
? VkFormats.VdToVkPixelFormat(outputDesc.ColorAttachments[0].Format) : 0;
colorAttachmentDesc.samples = VkSampleCountFlags.Count1;
colorAttachmentDesc.loadOp = VkAttachmentLoadOp.Clear;
colorAttachmentDesc.storeOp = VkAttachmentStoreOp.Store;
colorAttachmentDesc.stencilLoadOp = VkAttachmentLoadOp.DontCare;
colorAttachmentDesc.stencilStoreOp = VkAttachmentStoreOp.DontCare;
colorAttachmentDesc.initialLayout = VkImageLayout.Undefined;
colorAttachmentDesc.finalLayout = VkImageLayout.PresentSrcKHR;
VkAttachmentReference colorAttachmentRef = new VkAttachmentReference();
colorAttachmentRef.attachment = 0;
colorAttachmentRef.layout = VkImageLayout.ColorAttachmentOptimal;
VkAttachmentDescription depthAttachmentDesc = new VkAttachmentDescription();
VkAttachmentReference depthAttachmentRef = new VkAttachmentReference();
if (outputDesc.DepthAttachment != null)
{
depthAttachmentDesc.format = VkFormats.VdToVkPixelFormat(outputDesc.DepthAttachment.Value.Format, toDepthFormat: true);
depthAttachmentDesc.samples = VkSampleCountFlags.Count1;
depthAttachmentDesc.loadOp = VkAttachmentLoadOp.Clear;
depthAttachmentDesc.storeOp = VkAttachmentStoreOp.Store;
depthAttachmentDesc.stencilLoadOp = VkAttachmentLoadOp.DontCare;
depthAttachmentDesc.stencilStoreOp = VkAttachmentStoreOp.DontCare;
depthAttachmentDesc.initialLayout = VkImageLayout.Undefined;
depthAttachmentDesc.finalLayout = VkImageLayout.DepthStencilAttachmentOptimal;
depthAttachmentRef.attachment = outputDesc.ColorAttachments.Length == 0 ? 0u : 1u;
depthAttachmentRef.layout = VkImageLayout.DepthStencilAttachmentOptimal;
}
VkSubpassDescription subpass = new VkSubpassDescription();
StackList <VkAttachmentDescription, Size512Bytes> attachments = new StackList <VkAttachmentDescription, Size512Bytes>();
subpass.pipelineBindPoint = VkPipelineBindPoint.Graphics;
if (outputDesc.ColorAttachments.Length > 0)
{
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorAttachmentRef;
attachments.Add(colorAttachmentDesc);
}
if (outputDesc.DepthAttachment != null)
{
subpass.pDepthStencilAttachment = &depthAttachmentRef;
attachments.Add(depthAttachmentDesc);
}
VkSubpassDependency subpassDependency = new VkSubpassDependency();
subpassDependency.srcSubpass = SubpassExternal;
subpassDependency.srcStageMask = VkPipelineStageFlags.ColorAttachmentOutput;
subpassDependency.dstStageMask = VkPipelineStageFlags.ColorAttachmentOutput;
subpassDependency.dstAccessMask = VkAccessFlags.ColorAttachmentRead | VkAccessFlags.ColorAttachmentWrite;
if (outputDesc.DepthAttachment != null)
{
subpassDependency.dstAccessMask |= VkAccessFlags.DepthStencilAttachmentRead | VkAccessFlags.DepthStencilAttachmentWrite;
}
renderPassCI.attachmentCount = attachments.Count;
renderPassCI.pAttachments = (VkAttachmentDescription *)attachments.Data;
renderPassCI.subpassCount = 1;
renderPassCI.pSubpasses = &subpass;
renderPassCI.dependencyCount = 1;
renderPassCI.pDependencies = &subpassDependency;
VkResult creationResult = vkCreateRenderPass(_gd.Device, ref renderPassCI, null, out _renderPass);
CheckResult(creationResult);
pipelineCI.renderPass = _renderPass;
VkResult result = vkCreateGraphicsPipelines(_gd.Device, VkPipelineCache.Null, 1, ref pipelineCI, null, out _devicePipeline);
CheckResult(result);
ResourceSetCount = (uint)description.ResourceLayouts.Length;
}
public FGraphicsPipeline(VkDevice device, VkPhysicalDevice physicalDevice, VkPipelineCache pipelineCache, VkRenderPass renderPass,
string shaderPath, uint swapchainImageCount, FTexture textureArray)
{
this.device = device;
this.swapchainImageCount = swapchainImageCount;
this.renderPass = renderPass;
desclayout = CreateDescriptorLayout(device, 1);
descriptorPool = CreateDescriptorPool(device, swapchainImageCount, 7);
descriptorSets = AllocateDescriptorSets(device, desclayout, descriptorPool,
swapchainImageCount);
sampler = CreateSampler(device, textureArray.MipLevels);
for (int i = 0; i < swapchainImageCount; i++)
{
VkDescriptorImageInfo imageInfo = new VkDescriptorImageInfo();
imageInfo.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
imageInfo.imageView = textureArray.imageView;
imageInfo.sampler = sampler;
VkWriteDescriptorSet[] writes = new VkWriteDescriptorSet[1];
writes[0].dstSet = descriptorSets[i];
writes[0].dstBinding = 0;
writes[0].dstArrayElement = 0;
writes[0].descriptorType = VkDescriptorType.CombinedImageSampler;
writes[0].descriptorCount = 1;
writes[0].pImageInfo = &imageInfo;
fixed(VkWriteDescriptorSet *ptr = writes)
vkUpdateDescriptorSets(device, (uint)writes.Length, ptr, 0, null);
}
uniformdata = CreateUniformBuffer(device, physicalDevice, 1);
VkShaderModule vs = LoadShader(device, $"{shaderPath}.vert.spv");
VkShaderModule fs = LoadShader(device, $"{shaderPath}.frag.spv");
VkGraphicsPipelineCreateInfo pCreateInfo = VkGraphicsPipelineCreateInfo.New();
pCreateInfo.flags = VkPipelineCreateFlags.DisableOptimization;
VkPipelineShaderStageCreateInfo[] shaderStages = new VkPipelineShaderStageCreateInfo[2];
shaderStages[0] = VkPipelineShaderStageCreateInfo.New();
shaderStages[0].stage = VkShaderStageFlags.Vertex;
shaderStages[0].module = vs;
byte[] vsFuncName = Encoding.UTF8.GetBytes("main" + char.MinValue);
fixed(byte *ptr = &(vsFuncName[0]))
shaderStages[0].pName = ptr;
shaderStages[1] = VkPipelineShaderStageCreateInfo.New();
shaderStages[1].stage = VkShaderStageFlags.Fragment;
shaderStages[1].module = fs;
byte[] fsFuncName = Encoding.UTF8.GetBytes("main" + char.MinValue);
fixed(byte *ptr = &(fsFuncName[0]))
shaderStages[1].pName = ptr;
fixed(VkPipelineShaderStageCreateInfo *ptr = shaderStages)
pCreateInfo.pStages = ptr;
pCreateInfo.stageCount = 2;
VkVertexInputBindingDescription[] bindings = new VkVertexInputBindingDescription[4];
bindings[0] = new VkVertexInputBindingDescription();
bindings[0].binding = 0;
bindings[0].stride = (uint)sizeof(VoxelRenderer.VoxelVertex);
bindings[0].inputRate = VkVertexInputRate.Vertex;
bindings[1] = new VkVertexInputBindingDescription();
bindings[1].binding = 1;
bindings[1].stride = (uint)sizeof(VoxelRenderer.VoxelVertex);
bindings[1].inputRate = VkVertexInputRate.Vertex;
bindings[2] = new VkVertexInputBindingDescription();
bindings[2].binding = 2;
bindings[2].stride = (uint)sizeof(VoxelRenderer.VoxelVertex);
bindings[2].inputRate = VkVertexInputRate.Vertex;
bindings[3] = new VkVertexInputBindingDescription();
bindings[3].binding = 3;
bindings[3].stride = (uint)sizeof(VoxelRenderer.VoxelVertex);
bindings[3].inputRate = VkVertexInputRate.Vertex;
VkVertexInputAttributeDescription[] attribs = new VkVertexInputAttributeDescription[4];
attribs[0].binding = 0;
attribs[0].location = 0;
attribs[0].format = VkFormat.R32g32b32Sfloat;
attribs[0].offset = 0;
attribs[1].binding = 1;
attribs[1].location = 1;
attribs[1].format = VkFormat.R32g32b32Sfloat;
attribs[1].offset = 0;
attribs[2].binding = 2;
attribs[2].location = 2;
attribs[2].format = VkFormat.R32g32b32Sfloat;
attribs[2].offset = 0;
attribs[3].binding = 3;
attribs[3].location = 3;
attribs[3].format = VkFormat.R32Uint;
attribs[3].offset = 0;
VkPipelineVertexInputStateCreateInfo vertexInput = VkPipelineVertexInputStateCreateInfo.New();
fixed(VkVertexInputBindingDescription *ptr = bindings)
vertexInput.pVertexBindingDescriptions = ptr;
vertexInput.vertexBindingDescriptionCount = (uint)bindings.Length;
fixed(VkVertexInputAttributeDescription *ptr = attribs)
vertexInput.pVertexAttributeDescriptions = ptr;
vertexInput.vertexAttributeDescriptionCount = (uint)attribs.Length;
pCreateInfo.pVertexInputState = &vertexInput;
VkPipelineInputAssemblyStateCreateInfo inputAssembly = VkPipelineInputAssemblyStateCreateInfo.New();
inputAssembly.topology = VkPrimitiveTopology.TriangleList;
pCreateInfo.pInputAssemblyState = &inputAssembly;
VkPipelineViewportStateCreateInfo viewportState = VkPipelineViewportStateCreateInfo.New();
viewportState.viewportCount = 1;
viewportState.scissorCount = 1;
pCreateInfo.pViewportState = &viewportState;
VkPipelineRasterizationStateCreateInfo rasterizationState = VkPipelineRasterizationStateCreateInfo.New();
rasterizationState.lineWidth = 1;
rasterizationState.frontFace = VkFrontFace.Clockwise;
rasterizationState.cullMode = VkCullModeFlags.Back;
rasterizationState.polygonMode = VkPolygonMode.Fill;//TODO add line debug render
pCreateInfo.pRasterizationState = &rasterizationState;
VkPipelineMultisampleStateCreateInfo multisampleState = VkPipelineMultisampleStateCreateInfo.New();
multisampleState.rasterizationSamples = VkSampleCountFlags.Count1;
pCreateInfo.pMultisampleState = &multisampleState;
VkPipelineDepthStencilStateCreateInfo depthState = VkPipelineDepthStencilStateCreateInfo.New();
depthState.depthTestEnable = VkBool32.True;
depthState.depthWriteEnable = VkBool32.True;
depthState.depthCompareOp = VkCompareOp.Less;
pCreateInfo.pDepthStencilState = &depthState;
VkPipelineColorBlendAttachmentState colourAttachment = new VkPipelineColorBlendAttachmentState();
colourAttachment.colorWriteMask = VkColorComponentFlags.R | VkColorComponentFlags.G | VkColorComponentFlags.B | VkColorComponentFlags.A;
VkPipelineColorBlendStateCreateInfo colourState = VkPipelineColorBlendStateCreateInfo.New();
colourState.pAttachments = &colourAttachment;
colourState.attachmentCount = 1;
pCreateInfo.pColorBlendState = &colourState;
VkDynamicState[] dynamicStates = new VkDynamicState[2];
dynamicStates[0] = VkDynamicState.Viewport;
dynamicStates[1] = VkDynamicState.Scissor;
VkPipelineDynamicStateCreateInfo dynamicState = VkPipelineDynamicStateCreateInfo.New();
dynamicState.dynamicStateCount = (uint)dynamicStates.Length;
fixed(VkDynamicState *ptr = &(dynamicStates[0]))
dynamicState.pDynamicStates = ptr;
pCreateInfo.pDynamicState = &dynamicState;
this.pipelineLayout = CreatePipelineLayout(device, desclayout);
pCreateInfo.layout = this.pipelineLayout;
pCreateInfo.renderPass = renderPass;
pCreateInfo.subpass = 0;
VkPipeline pipeline = VkPipeline.Null;
Assert(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pCreateInfo, null, &pipeline));
this.pipeline = pipeline;
}
private VkPipeline CreateNewGraphicsPipeline(ref VkPipelineCacheKey cacheKey)
{
VkGraphicsPipelineCreateInfo pipelineCI = VkGraphicsPipelineCreateInfo.New();
// RenderPass
pipelineCI.renderPass = cacheKey.RenderPass;
pipelineCI.subpass = 0;
pipelineCI.layout = cacheKey.PipelineLayout;
// DynamicState
VkPipelineDynamicStateCreateInfo dynamicStateCI = VkPipelineDynamicStateCreateInfo.New();
VkDynamicState *dynamicStates = stackalloc VkDynamicState[2];
dynamicStates[0] = VkDynamicState.Viewport;
dynamicStates[1] = VkDynamicState.Scissor;
dynamicStateCI.dynamicStateCount = 2;
dynamicStateCI.pDynamicStates = dynamicStates;
pipelineCI.pDynamicState = &dynamicStateCI;
// ColorBlendState
VkPipelineColorBlendAttachmentState colorBlendAttachementState = new VkPipelineColorBlendAttachmentState();
colorBlendAttachementState.colorWriteMask = VkColorComponentFlags.R | VkColorComponentFlags.G | VkColorComponentFlags.B | VkColorComponentFlags.A;
colorBlendAttachementState.blendEnable = cacheKey.BlendState.IsBlendEnabled;
colorBlendAttachementState.srcColorBlendFactor = VkFormats.VeldridToVkBlendFactor(cacheKey.BlendState.SourceColorBlend);
colorBlendAttachementState.dstColorBlendFactor = VkFormats.VeldridToVkBlendFactor(cacheKey.BlendState.DestinationColorBlend);
colorBlendAttachementState.colorBlendOp = VkFormats.VeldridToVkBlendOp(cacheKey.BlendState.ColorBlendFunction);
colorBlendAttachementState.srcAlphaBlendFactor = VkFormats.VeldridToVkBlendFactor(cacheKey.BlendState.SourceAlphaBlend);
colorBlendAttachementState.dstAlphaBlendFactor = VkFormats.VeldridToVkBlendFactor(cacheKey.BlendState.DestinationAlphaBlend);
colorBlendAttachementState.alphaBlendOp = VkFormats.VeldridToVkBlendOp(cacheKey.BlendState.AlphaBlendFunction);
VkPipelineColorBlendStateCreateInfo colorBlendStateCI = VkPipelineColorBlendStateCreateInfo.New();
if (cacheKey.Framebuffer.ColorTexture != null)
{
colorBlendStateCI.attachmentCount = 1;
colorBlendStateCI.pAttachments = &colorBlendAttachementState;
colorBlendStateCI.blendConstants_0 = cacheKey.BlendState.BlendFactor.R;
colorBlendStateCI.blendConstants_1 = cacheKey.BlendState.BlendFactor.G;
colorBlendStateCI.blendConstants_2 = cacheKey.BlendState.BlendFactor.B;
colorBlendStateCI.blendConstants_3 = cacheKey.BlendState.BlendFactor.A;
pipelineCI.pColorBlendState = &colorBlendStateCI;
}
// DepthStencilState
VkPipelineDepthStencilStateCreateInfo depthStencilStateCI = VkPipelineDepthStencilStateCreateInfo.New();
depthStencilStateCI.depthCompareOp = VkFormats.VeldridToVkDepthComparison(cacheKey.DepthStencilState.DepthComparison);
depthStencilStateCI.depthWriteEnable = cacheKey.DepthStencilState.IsDepthWriteEnabled;
depthStencilStateCI.depthTestEnable = cacheKey.DepthStencilState.IsDepthEnabled;
pipelineCI.pDepthStencilState = &depthStencilStateCI;
// MultisampleState
VkPipelineMultisampleStateCreateInfo multisampleStateCI = VkPipelineMultisampleStateCreateInfo.New();
multisampleStateCI.rasterizationSamples = VkSampleCountFlags.Count1;
pipelineCI.pMultisampleState = &multisampleStateCI;
// RasterizationState
VkPipelineRasterizationStateCreateInfo rasterizationStateCI = ((VkRasterizerState)cacheKey.RasterizerState).RasterizerStateCreateInfo;
rasterizationStateCI.lineWidth = 1f;
pipelineCI.pRasterizationState = &rasterizationStateCI;
// ViewportState
VkPipelineViewportStateCreateInfo viewportStateCI = VkPipelineViewportStateCreateInfo.New();
viewportStateCI.viewportCount = 1;
viewportStateCI.scissorCount = 1;
pipelineCI.pViewportState = &viewportStateCI;
// InputAssemblyState
VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCI = VkPipelineInputAssemblyStateCreateInfo.New();
inputAssemblyStateCI.topology = cacheKey.PrimitiveTopology;
pipelineCI.pInputAssemblyState = &inputAssemblyStateCI;
// VertexInputState
VkPipelineVertexInputStateCreateInfo vertexInputStateCI = VkPipelineVertexInputStateCreateInfo.New();
VertexInputDescription[] inputDescriptions = cacheKey.ShaderSet.InputLayout.InputDescriptions;
uint bindingCount = (uint)inputDescriptions.Length;
uint attributeCount = (uint)inputDescriptions.Sum(desc => desc.Elements.Length);
VkVertexInputBindingDescription * bindingDescs = stackalloc VkVertexInputBindingDescription[(int)bindingCount];
VkVertexInputAttributeDescription *attributeDescs = stackalloc VkVertexInputAttributeDescription[(int)attributeCount];
int targetIndex = 0;
int targetLocation = 0;
for (int binding = 0; binding < inputDescriptions.Length; binding++)
{
VertexInputDescription inputDesc = inputDescriptions[binding];
bindingDescs[targetIndex] = new VkVertexInputBindingDescription()
{
binding = (uint)binding,
inputRate = (inputDesc.Elements[0].StorageClassifier == VertexElementInputClass.PerInstance) ? VkVertexInputRate.Instance : VkVertexInputRate.Vertex,
stride = ((VkVertexBuffer)cacheKey.VertexBindings[binding]).Stride
};
uint currentOffset = 0;
for (int location = 0; location < inputDesc.Elements.Length; location++)
{
VertexInputElement inputElement = inputDesc.Elements[location];
attributeDescs[targetIndex] = new VkVertexInputAttributeDescription()
{
format = VkFormats.VeldridToVkVertexElementFormat(inputElement.ElementFormat),
binding = (uint)binding,
location = (uint)(targetLocation + location),
offset = currentOffset
};
targetIndex += 1;
currentOffset += inputElement.SizeInBytes;
}
targetLocation += inputDesc.Elements.Length;
}
vertexInputStateCI.vertexBindingDescriptionCount = bindingCount;
vertexInputStateCI.pVertexBindingDescriptions = bindingDescs;
vertexInputStateCI.vertexAttributeDescriptionCount = attributeCount;
vertexInputStateCI.pVertexAttributeDescriptions = attributeDescs;
pipelineCI.pVertexInputState = &vertexInputStateCI;
// ShaderStage
StackList <VkPipelineShaderStageCreateInfo> shaderStageCIs = new StackList <VkPipelineShaderStageCreateInfo>();
VkPipelineShaderStageCreateInfo vertexStage = VkPipelineShaderStageCreateInfo.New();
vertexStage.stage = VkShaderStageFlags.Vertex;
vertexStage.module = cacheKey.ShaderSet.VertexShader.ShaderModule;
vertexStage.pName = CommonStrings.main;
shaderStageCIs.Add(vertexStage);
VkPipelineShaderStageCreateInfo fragmentStage = VkPipelineShaderStageCreateInfo.New();
fragmentStage.stage = VkShaderStageFlags.Fragment;
fragmentStage.module = cacheKey.ShaderSet.FragmentShader.ShaderModule;
fragmentStage.pName = CommonStrings.main;
shaderStageCIs.Add(fragmentStage);
if (cacheKey.ShaderSet.TessellationControlShader != null)
{
VkPipelineShaderStageCreateInfo tcStage = VkPipelineShaderStageCreateInfo.New();
tcStage.stage = VkShaderStageFlags.TessellationControl;
tcStage.module = cacheKey.ShaderSet.TessellationControlShader.ShaderModule;
tcStage.pName = CommonStrings.main;
shaderStageCIs.Add(tcStage);
}
if (cacheKey.ShaderSet.TessellationEvaluationShader != null)
{
VkPipelineShaderStageCreateInfo teStage = VkPipelineShaderStageCreateInfo.New();
teStage.stage = VkShaderStageFlags.TessellationEvaluation;
teStage.module = cacheKey.ShaderSet.TessellationEvaluationShader.ShaderModule;
teStage.pName = CommonStrings.main;
shaderStageCIs.Add(teStage);
}
if (cacheKey.ShaderSet.GeometryShader != null)
{
VkPipelineShaderStageCreateInfo geometryStage = VkPipelineShaderStageCreateInfo.New();
geometryStage.stage = VkShaderStageFlags.Geometry;
geometryStage.module = cacheKey.ShaderSet.GeometryShader.ShaderModule;
geometryStage.pName = CommonStrings.main;
shaderStageCIs.Add(geometryStage);
}
pipelineCI.stageCount = shaderStageCIs.Count;
pipelineCI.pStages = (VkPipelineShaderStageCreateInfo *)shaderStageCIs.Data;
VkResult result = vkCreateGraphicsPipelines(_device, VkPipelineCache.Null, 1, ref pipelineCI, null, out VkPipeline ret);
CheckResult(result);
return(ret);
}