private unsafe VkPipelineShaderStageCreateInfo[] CreateShaderStages(PipelineStateDescription pipelineStateDescription, out Dictionary <int, string> inputAttributeNames)
{
var stages = pipelineStateDescription.EffectBytecode.Stages;
var nativeStages = new VkPipelineShaderStageCreateInfo[stages.Length];
inputAttributeNames = null;
for (int i = 0; i < stages.Length; i++)
{
var shaderBytecode = BinarySerialization.Read <ShaderInputBytecode>(stages[i].Data);
if (stages[i].Stage == ShaderStage.Vertex)
inputAttributeNames = shaderBytecode.InputAttributeNames;
fixed(byte *entryPointPointer = &defaultEntryPoint[0])
{
// Create stage
nativeStages[i] = new VkPipelineShaderStageCreateInfo
{
sType = VkStructureType.PipelineShaderStageCreateInfo,
stage = VulkanConvertExtensions.Convert(stages[i].Stage),
pName = entryPointPointer,
};
vkCreateShaderModule(GraphicsDevice.NativeDevice, shaderBytecode.Data, null, out nativeStages[i].module);
}
}
;
return(nativeStages);
}
private void Vkctrl_VulkanInitialized(object sender, SharpVulkanWpf.VulkanEventArgs args)
{
var device = args.Device;
var commandPoolCreateInfo = new VkCommandPoolCreateInfo()
{
queueFamilyIndex = args.GraphicsQueueIndex,
flags = VkCommandPoolCreateFlags.VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
};
VulkanAPI.vkCreateCommandPool(device, ref commandPoolCreateInfo, out m_commandPool);
var allocateInfo = new VkCommandBufferAllocateInfo()
{
commandBufferCount = 1,
commandPool = m_commandPool,
};
VulkanAPI.vkAllocateCommandBuffers(device, ref allocateInfo, out m_commandBuffers);
// 頂点入力情報の構築.
m_vertexInputState = CreateVertexInputState();
// プリミティブの情報 トライアングルリストでデータが生成されている.
m_inputAssemblyState = new VkPipelineInputAssemblyStateCreateInfo()
{
topology = VkPrimitiveTopology.VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST
};
// シェーダーステージ情報の構築.
m_shaderStages = new VkPipelineShaderStageCreateInfo[2]
{
SampleHelpers.CreateShader(device, "resource/simpleVS.spv", VkShaderStageFlagBits.VK_SHADER_STAGE_VERTEX_BIT),
SampleHelpers.CreateShader(device, "resource/simpleFS.spv", VkShaderStageFlagBits.VK_SHADER_STAGE_FRAGMENT_BIT),
};
// ラスタライザーステートの構築.
m_rasterizationState = new VkPipelineRasterizationStateCreateInfo();
// デプスステンシルステートの構築.
m_depthStencilState = new VkPipelineDepthStencilStateCreateInfo();
// カラーブレンドステートの構築.
m_colorBlendState = new VkPipelineColorBlendStateCreateInfo();
var colorBlendAttachment = new VkPipelineColorBlendAttachmentState();
m_colorBlendState.attachments = new[] { colorBlendAttachment };
// マルチサンプルステートの構築.
m_multisampleState = new VkPipelineMultisampleStateCreateInfo();
// パイプラインレイアウトの構築.
m_pipelineLayout = CreatePipelineLayout(device);
// ビューポートステートの構築.
m_viewportState = CreateViewportState();
// グラフィックスパイプラインを構築.
m_graphicsPipeline = CreateGraphicsPipeline(device, vkctrl.GetControlRenderPass());
// 頂点バッファの作成.
CreateVertexBuffer(device, args.PhysicalDevice);
}
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 static CompiledShaderModule Compile(VkPipelineShaderStageCreateInfo stageCreateInfo)
{
SoftwareShaderModule module = (SoftwareShaderModule)stageCreateInfo.module;
string entryPointName = stageCreateInfo.pName;
CompiledShaderModule ret = new CompiledShaderModule();
ret.instance = module.GetNewInstance();
ret.entryPoint = IntrospectionUtil.GetMethodCallExpression(ret.instance, entryPointName);
return(ret);
}
protected VkPipelineShaderStageCreateInfo loadShader(string fileName, VkShaderStageFlagBits stage)
{
VkPipelineShaderStageCreateInfo shaderStage = new VkPipelineShaderStageCreateInfo();
shaderStage.sType = PipelineShaderStageCreateInfo;
shaderStage.stage = stage;
shaderStage.module = Tools.loadShader(fileName, device, stage);
shaderStage.pName = Strings.main;
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;
}
internal ShaderStageBuilder(GraphicsPipelineBuilder builder, VkShaderModule handle,
VkShaderStageFlag stage, string entryPoint)
{
_builder = builder;
unsafe
{
_shaderInfo = new VkPipelineShaderStageCreateInfo()
{
SType = VkStructureType.PipelineShaderStageCreateInfo,
PNext = IntPtr.Zero,
Module = handle,
Flags = 0,
Stage = stage,
PSpecializationInfo = (VkSpecializationInfo *)0
};
}
_entryPoint = entryPoint;
}
internal VkPipelineShaderStageCreateInfo GetNative(DisposableList <IDisposable> marshalled)
{
var result = new VkPipelineShaderStageCreateInfo();
result.sType = VkStructureType.PipelineShaderStageCreateInfo;
result.stage = stage;
result.module = module.Native;
var strInterop = new InteropString(name);
result.pName = strInterop.Address;
marshalled.Add(strInterop);
if (specializationInfo != null)
{
result.pSpecializationInfo = specializationInfo.GetNative(marshalled);
}
return(result);
}
/// <summary>
/// SPVシェーダーファイルを読み込んで VkPipelineShaderStageCreateInfo を作成します.
/// </summary>
/// <param name="device"></param>
/// <param name="shaderFile"></param>
/// <param name="stageFlag"></param>
/// <returns></returns>
public static VkPipelineShaderStageCreateInfo CreateShader(VkDevice device, string shaderFile, VkShaderStageFlagBits stageFlag)
{
var stageCreateInfo = new VkPipelineShaderStageCreateInfo();
using (var fs = new FileStream(shaderFile, FileMode.Open, FileAccess.Read))
{
var code = new byte[fs.Length];
fs.Read(code, 0, (int)fs.Length);
var shaderModuleCreateInfo = new VkShaderModuleCreateInfo()
{
shaderCodeBinary = code,
};
VkShaderModule shaderModule;
VulkanAPI.vkCreateShaderModule(device, ref shaderModuleCreateInfo, out shaderModule);
stageCreateInfo.flags = 0;
stageCreateInfo.stage = stageFlag;
stageCreateInfo.pName = "main";
stageCreateInfo.module = shaderModule;
}
return(stageCreateInfo);
}
private void CreateGraphicsPipeline()
{
byte[] vertShaderCode = File.ReadAllBytes("Shaders/vert.spv");
byte[] fragShaderCode = File.ReadAllBytes("Shaders/frag.spv");
VkShaderModule vertShaderModule = this.CreateShaderModule(vertShaderCode);
VkShaderModule fragShaderModule = this.CreateShaderModule(fragShaderCode);
VkPipelineShaderStageCreateInfo vertShaderStageInfo = new VkPipelineShaderStageCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
stage = VkShaderStageFlags.VK_SHADER_STAGE_VERTEX_BIT,
module = vertShaderModule,
pName = "main".ToPointer(),
};
VkPipelineShaderStageCreateInfo fragShaderStageInfo = new VkPipelineShaderStageCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
stage = VkShaderStageFlags.VK_SHADER_STAGE_FRAGMENT_BIT,
module = fragShaderModule,
pName = "main".ToPointer(),
};
VkPipelineShaderStageCreateInfo *shaderStages = stackalloc VkPipelineShaderStageCreateInfo[] { vertShaderStageInfo, fragShaderStageInfo };
// Vertex Input
VkPipelineVertexInputStateCreateInfo vertexInputInfo = new VkPipelineVertexInputStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
vertexBindingDescriptionCount = 0,
pVertexBindingDescriptions = null, // Optional
vertexAttributeDescriptionCount = 0,
pVertexAttributeDescriptions = null, // Optional
};
// Input assembly
VkPipelineInputAssemblyStateCreateInfo inputAssembly = new VkPipelineInputAssemblyStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
topology = VkPrimitiveTopology.VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
primitiveRestartEnable = false,
};
// Viewports and scissors
VkViewport viewport = new VkViewport()
{
x = 0.0f,
y = 0.0f,
width = (float)swapChainExtent.width,
height = (float)swapChainExtent.height,
minDepth = 0.0f,
maxDepth = 1.0f,
};
VkRect2D scissor = new VkRect2D()
{
offset = new VkOffset2D(0, 0),
extent = swapChainExtent,
};
VkPipelineViewportStateCreateInfo viewportState = new VkPipelineViewportStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
viewportCount = 1,
pViewports = &viewport,
scissorCount = 1,
pScissors = &scissor,
};
// Rasterizer
VkPipelineRasterizationStateCreateInfo rasterizer = new VkPipelineRasterizationStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
depthClampEnable = false,
rasterizerDiscardEnable = false,
polygonMode = VkPolygonMode.VK_POLYGON_MODE_FILL,
lineWidth = 1.0f,
cullMode = VkCullModeFlags.VK_CULL_MODE_BACK_BIT,
frontFace = VkFrontFace.VK_FRONT_FACE_CLOCKWISE,
depthBiasEnable = false,
depthBiasConstantFactor = 0.0f, // Optional
depthBiasClamp = 0.0f, // Optional
depthBiasSlopeFactor = 0.0f, // Optional
};
VkPipelineMultisampleStateCreateInfo multisampling = new VkPipelineMultisampleStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
sampleShadingEnable = false,
rasterizationSamples = VkSampleCountFlags.VK_SAMPLE_COUNT_1_BIT,
minSampleShading = 1.0f, // Optional
pSampleMask = null, // Optional
alphaToCoverageEnable = false, // Optional
alphaToOneEnable = false, // Optional
};
// Depth and Stencil testing
//VkPipelineDepthStencilStateCreateInfo
// Color blending
VkPipelineColorBlendAttachmentState colorBlendAttachment = new VkPipelineColorBlendAttachmentState()
{
colorWriteMask = VkColorComponentFlags.VK_COLOR_COMPONENT_R_BIT |
VkColorComponentFlags.VK_COLOR_COMPONENT_G_BIT |
VkColorComponentFlags.VK_COLOR_COMPONENT_B_BIT |
VkColorComponentFlags.VK_COLOR_COMPONENT_A_BIT,
blendEnable = false,
srcColorBlendFactor = VkBlendFactor.VK_BLEND_FACTOR_ONE, // Optional
dstColorBlendFactor = VkBlendFactor.VK_BLEND_FACTOR_ZERO, // Optional
colorBlendOp = VkBlendOp.VK_BLEND_OP_ADD, // Optional
srcAlphaBlendFactor = VkBlendFactor.VK_BLEND_FACTOR_ONE, // Optional
dstAlphaBlendFactor = VkBlendFactor.VK_BLEND_FACTOR_ZERO, // Optional
alphaBlendOp = VkBlendOp.VK_BLEND_OP_ADD, // Optional
};
VkPipelineColorBlendStateCreateInfo colorBlending = new VkPipelineColorBlendStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
logicOpEnable = false,
logicOp = VkLogicOp.VK_LOGIC_OP_COPY, // Optional
attachmentCount = 1,
pAttachments = &colorBlendAttachment,
blendConstants_0 = 0.0f, // Optional
blendConstants_1 = 0.0f, // Optional
blendConstants_2 = 0.0f, // Optional
blendConstants_3 = 0.0f, // Optional
};
VkPipelineLayoutCreateInfo pipelineLayoutInfo = new VkPipelineLayoutCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
setLayoutCount = 0, // Optional
pSetLayouts = null, // Optional
pushConstantRangeCount = 0, // Optional
pPushConstantRanges = null, // Optional
};
fixed(VkPipelineLayout *pipelineLayoutPtr = &pipelineLayout)
{
Helpers.CheckErrors(VulkanNative.vkCreatePipelineLayout(device, &pipelineLayoutInfo, null, pipelineLayoutPtr));
}
VkGraphicsPipelineCreateInfo pipelineInfo = new VkGraphicsPipelineCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
stageCount = 2,
pStages = shaderStages,
pVertexInputState = &vertexInputInfo,
pInputAssemblyState = &inputAssembly,
pViewportState = &viewportState,
pRasterizationState = &rasterizer,
pMultisampleState = &multisampling,
pDepthStencilState = null, // Optional
pColorBlendState = &colorBlending,
pDynamicState = null, // Optional
layout = this.pipelineLayout,
renderPass = this.renderPass,
subpass = 0,
basePipelineHandle = 0, // Optional
basePipelineIndex = -1, // Optional
};
fixed(VkPipeline *graphicsPipelinePtr = &this.graphicsPipeline)
{
Helpers.CheckErrors(VulkanNative.vkCreateGraphicsPipelines(this.device, 0, 1, &pipelineInfo, null, graphicsPipelinePtr));
}
VulkanNative.vkDestroyShaderModule(device, fragShaderModule, null);
VulkanNative.vkDestroyShaderModule(device, vertShaderModule, null);
}
void preparePipelines()
{
var inputAssemblyState = new VkPipelineInputAssemblyStateCreateInfo();
inputAssemblyState.sType = PipelineInputAssemblyStateCreateInfo;
inputAssemblyState.topology = VkPrimitiveTopology.TriangleList;
inputAssemblyState.primitiveRestartEnable = false;
var rasterizationState = new VkPipelineRasterizationStateCreateInfo();
rasterizationState.sType = PipelineRasterizationStateCreateInfo;
rasterizationState.polygonMode = VkPolygonMode.Fill;
rasterizationState.cullMode = VkCullModeFlagBits.None;
rasterizationState.frontFace = VkFrontFace.CounterClockwise;
var blendAttachmentState = new VkPipelineColorBlendAttachmentState(
(VkColorComponentFlagBits)0xf, false);
var colorBlendState = new VkPipelineColorBlendStateCreateInfo();
colorBlendState.sType = PipelineColorBlendStateCreateInfo;
colorBlendState.attachments = blendAttachmentState;
var depthStencilState = new VkPipelineDepthStencilStateCreateInfo();
depthStencilState.sType = PipelineDepthStencilStateCreateInfo;
depthStencilState.depthTestEnable = true;
depthStencilState.depthWriteEnable = true;
depthStencilState.depthCompareOp = VkCompareOp.LessOrEqual;
var viewportState = new VkPipelineViewportStateCreateInfo();
viewportState.sType = PipelineViewportStateCreateInfo;
viewportState.viewports.count = 1;
viewportState.scissors.count = 1;
var multisampleState = new VkPipelineMultisampleStateCreateInfo();
multisampleState.sType = PipelineMultisampleStateCreateInfo;
multisampleState.rasterizationSamples = VkSampleCountFlagBits._1;
var dynamicStateEnables = new VkDynamicState[] {
VkDynamicState.Viewport,
VkDynamicState.Scissor,
};
var dynamicState = new VkPipelineDynamicStateCreateInfo();
dynamicState.sType = PipelineDynamicStateCreateInfo;
dynamicState.dynamicStates = dynamicStateEnables;
// Load shaders
var shaderStages = new VkPipelineShaderStageCreateInfo[] {
loadShader(getAssetPath() + "shaders/dynamicuniformbuffer/base.vert.spv", VkShaderStageFlagBits.Vertex),
loadShader(getAssetPath() + "shaders/dynamicuniformbuffer/base.frag.spv", VkShaderStageFlagBits.Fragment)
};
var info = new VkGraphicsPipelineCreateInfo();
info.sType = GraphicsPipelineCreateInfo;
info.layout = pipelineLayout;
info.renderPass = renderPass;
info.pVertexInputState = vertices_inputState;
info.pInputAssemblyState = &inputAssemblyState;
info.pRasterizationState = &rasterizationState;
info.pColorBlendState = &colorBlendState;
info.pMultisampleState = &multisampleState;
info.pViewportState = &viewportState;
info.pDepthStencilState = &depthStencilState;
info.pDynamicState = &dynamicState;
info.stages = shaderStages;
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, &info, null, &pipeline);
this.pipeline = pipeline;
}
private VkPipeline CreateVulkanPipeline()
{
var pipelineShaderStageCreateInfos = stackalloc VkPipelineShaderStageCreateInfo[2];
uint pipelineShaderStageCreateInfosCount = 0;
try
{
VkPipeline vulkanPipeline;
var device = Device;
var surface = device.Surface;
var vertexInputBindingDescription = new VkVertexInputBindingDescription {
inputRate = VK_VERTEX_INPUT_RATE_VERTEX,
};
var vertexInputAttributeDescriptions = Array.Empty <VkVertexInputAttributeDescription>();
var pipelineVertexInputStateCreateInfo = new VkPipelineVertexInputStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
vertexBindingDescriptionCount = 1,
pVertexBindingDescriptions = &vertexInputBindingDescription,
};
var pipelineInputAssemblyStateCreateInfo = new VkPipelineInputAssemblyStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
};
var pipelineViewportStateCreateInfo = new VkPipelineViewportStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
viewportCount = 1,
scissorCount = 1,
};
var pipelineRasterizationStateCreateInfo = new VkPipelineRasterizationStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
frontFace = VK_FRONT_FACE_CLOCKWISE,
cullMode = VK_CULL_MODE_BACK_BIT,
lineWidth = 1.0f,
};
var pipelineMultisampleStateCreateInfo = new VkPipelineMultisampleStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
rasterizationSamples = VK_SAMPLE_COUNT_1_BIT,
};
var pipelineDepthStencilStateCreateInfo = new VkPipelineDepthStencilStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
depthCompareOp = VK_COMPARE_OP_ALWAYS,
front = new VkStencilOpState {
compareOp = VK_COMPARE_OP_ALWAYS,
},
back = new VkStencilOpState {
compareOp = VK_COMPARE_OP_ALWAYS,
},
};
var pipelineColorBlendAttachmentState = new VkPipelineColorBlendAttachmentState {
colorWriteMask = VK_COLOR_COMPONENT_A_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_R_BIT,
};
var pipelineColorBlendStateCreateInfo = new VkPipelineColorBlendStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
attachmentCount = 1,
pAttachments = &pipelineColorBlendAttachmentState,
};
var dynamicStates = stackalloc VkDynamicState[2] {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
var pipelineDynamicStateCreateInfo = new VkPipelineDynamicStateCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
dynamicStateCount = 2,
pDynamicStates = dynamicStates,
};
var pipelineCreateInfo = new VkGraphicsPipelineCreateInfo {
sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
pViewportState = &pipelineViewportStateCreateInfo,
pRasterizationState = &pipelineRasterizationStateCreateInfo,
pMultisampleState = &pipelineMultisampleStateCreateInfo,
pDepthStencilState = &pipelineDepthStencilStateCreateInfo,
pColorBlendState = &pipelineColorBlendStateCreateInfo,
pDynamicState = &pipelineDynamicStateCreateInfo,
layout = Signature.VulkanPipelineLayout,
renderPass = device.VulkanRenderPass,
};
var vertexShader = VertexShader;
if (vertexShader != null)
{
var shaderIndex = pipelineShaderStageCreateInfosCount++;
var entryPointName = vertexShader.EntryPointName.GetUtf8Span();
var entryPointNameLength = (nuint)entryPointName.Length + 1;
pipelineShaderStageCreateInfos[shaderIndex] = new VkPipelineShaderStageCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
stage = VK_SHADER_STAGE_VERTEX_BIT,
module = vertexShader.VulkanShaderModule,
pName = AllocateArray <sbyte>(entryPointNameLength),
};
var destination = new Span <sbyte>(pipelineShaderStageCreateInfos[shaderIndex].pName, (int)entryPointNameLength);
entryPointName.CopyTo(destination);
destination[entryPointName.Length] = 0x00;
var inputs = Signature.Inputs;
var inputsLength = inputs.Length;
var inputElementsCount = GetInputElementsCount(inputs);
var inputElementsIndex = 0;
if (inputElementsCount != 0)
{
vertexInputAttributeDescriptions = new VkVertexInputAttributeDescription[inputElementsCount];
for (var inputIndex = 0; inputIndex < inputsLength; inputIndex++)
{
var input = inputs[inputIndex];
var inputElements = input.Elements;
var inputElementsLength = inputElements.Length;
uint inputBindingStride = 0;
for (var inputElementIndex = 0; inputElementIndex < inputElementsLength; inputElementIndex++)
{
var inputElement = inputElements[inputElementIndex];
vertexInputAttributeDescriptions[inputElementsIndex] = new VkVertexInputAttributeDescription {
location = unchecked ((uint)inputElementIndex),
binding = unchecked ((uint)inputIndex),
format = GetInputElementFormat(inputElement.Type),
offset = inputBindingStride,
};
inputBindingStride += inputElement.Size;
inputElementsIndex++;
}
vertexInputBindingDescription.stride = inputBindingStride;
}
}
pipelineCreateInfo.pVertexInputState = &pipelineVertexInputStateCreateInfo;
pipelineCreateInfo.pInputAssemblyState = &pipelineInputAssemblyStateCreateInfo;
}
var pixelShader = PixelShader;
if (pixelShader != null)
{
var shaderIndex = pipelineShaderStageCreateInfosCount++;
var entryPointName = pixelShader.EntryPointName.GetUtf8Span();
var entryPointNameLength = (nuint)entryPointName.Length + 1;
pipelineShaderStageCreateInfos[shaderIndex] = new VkPipelineShaderStageCreateInfo {
sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
stage = VK_SHADER_STAGE_FRAGMENT_BIT,
module = pixelShader.VulkanShaderModule,
pName = AllocateArray <sbyte>(entryPointNameLength),
};
var destination = new Span <sbyte>(pipelineShaderStageCreateInfos[shaderIndex].pName, (int)entryPointNameLength);
entryPointName.CopyTo(destination);
destination[entryPointName.Length] = 0x00;
}
if (pipelineShaderStageCreateInfosCount != 0)
{
pipelineCreateInfo.stageCount = pipelineShaderStageCreateInfosCount;
pipelineCreateInfo.pStages = pipelineShaderStageCreateInfos;
}
fixed(VkVertexInputAttributeDescription *pVertexInputAttributeDescriptions = vertexInputAttributeDescriptions)
{
pipelineVertexInputStateCreateInfo.vertexAttributeDescriptionCount = unchecked ((uint)vertexInputAttributeDescriptions.Length);
pipelineVertexInputStateCreateInfo.pVertexAttributeDescriptions = pVertexInputAttributeDescriptions;
ThrowExternalExceptionIfNotSuccess(vkCreateGraphicsPipelines(device.VulkanDevice, pipelineCache: VK_NULL_HANDLE, 1, &pipelineCreateInfo, pAllocator: null, (ulong *)&vulkanPipeline), nameof(vkCreateGraphicsPipelines));
}
return(vulkanPipeline);
}
finally
{
for (uint index = 0; index < pipelineShaderStageCreateInfosCount; index++)
{
var entryPointName = pipelineShaderStageCreateInfos[index].pName;
Free(entryPointName);
}
}
public void Build(int deviceIndex)
{
if (!locked)
{
unsafe
{
//create pipeline shader stages
var shaderStages = new VkPipelineShaderStageCreateInfo[Shaders.Length];
var shaderSpecializations = new ManagedPtr <VkSpecializationInfo> [Shaders.Length];
var shaderSpecializationBufferPtrs = new MemoryHandle[Shaders.Length];
for (int i = 0; i < shaderStages.Length; i++)
{
if (SpecializationData != null)
{
shaderSpecializationBufferPtrs[i] = SpecializationData[i].Pin();
shaderSpecializations[i] = new VkSpecializationInfo()
{
mapEntryCount = (uint)SpecializationData[i].Length,
pMapEntries = Shaders[i].Specialize(),
dataSize = (uint)SpecializationData[i].Length * sizeof(int),
pData = (IntPtr)shaderSpecializationBufferPtrs[i].Pointer
}.Pointer();
}
shaderStages[i].sType = VkStructureType.StructureTypePipelineShaderStageCreateInfo;
shaderStages[i].stage = (VkShaderStageFlags)Shaders[i].ShaderType;
shaderStages[i].module = Shaders[i].ids[deviceIndex];
shaderStages[i].pName = "main";
shaderStages[i].pSpecializationInfo = shaderSpecializations[i] != null ? shaderSpecializations[i] : IntPtr.Zero;
}
var shaderStages_ptr = shaderStages.Pointer();
//VkPipelineVertexInputStateCreateInfo - dummy, engine doesn't support fix function vertex input
var vertexInputInfo = new VkPipelineVertexInputStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineVertexInputStateCreateInfo,
vertexBindingDescriptionCount = 0,
vertexAttributeDescriptionCount = 0,
};
var vertexInputInfo_ptr = vertexInputInfo.Pointer();
//VkPipelineInputAssemblyStateCreateInfo - state
var inputAssembly = new VkPipelineInputAssemblyStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineInputAssemblyStateCreateInfo,
topology = (VkPrimitiveTopology)Topology,
primitiveRestartEnable = false,
};
var inputAssembly_ptr = inputAssembly.Pointer();
//VkPipelineViewportStateCreateInfo - dynamic state, no scissor
var viewport = new VkViewport()
{
x = ViewportX,
y = ViewportY,
width = ViewportWidth,
height = ViewportHeight,
minDepth = ViewportMinDepth,
maxDepth = ViewportMaxDepth,
};
var scissor = new VkRect2D()
{
offset = new VkOffset2D()
{
x = (int)ViewportX,
y = (int)ViewportY
},
extent = new VkExtent2D()
{
width = ViewportWidth,
height = ViewportHeight
}
};
var viewport_ptr = viewport.Pointer();
var scissor_ptr = scissor.Pointer();
var viewportCreateInfo = new VkPipelineViewportStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineViewportStateCreateInfo,
viewportCount = 1,
pViewports = viewport_ptr,
scissorCount = 1,
pScissors = scissor_ptr
};
var viewportCreateInfo_ptr = viewportCreateInfo.Pointer();
//VkPipelineRasterizationStateCreateInfo - state
var rasterizer = new VkPipelineRasterizationStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineRasterizationStateCreateInfo,
depthClampEnable = DepthClamp,
rasterizerDiscardEnable = RasterizerDiscard,
polygonMode = (VkPolygonMode)Fill,
lineWidth = LineWidth,
cullMode = (VkCullModeFlags)CullMode,
frontFace = VkFrontFace.FrontFaceCounterClockwise, //OpenGL default
depthBiasEnable = false,
depthBiasConstantFactor = 0,
depthBiasClamp = 0,
depthBiasSlopeFactor = 0,
};
var rasterizer_ptr = rasterizer.Pointer();
//VkPipelineMultisampleStateCreateInfo - don't support for now
var multisampling = new VkPipelineMultisampleStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineMultisampleStateCreateInfo,
sampleShadingEnable = false,
rasterizationSamples = VkSampleCountFlags.SampleCount1Bit,
minSampleShading = 1,
pSampleMask = null,
alphaToCoverageEnable = false,
alphaToOneEnable = false
};
var multisampling_ptr = multisampling.Pointer();
//VkPipelineDepthStencilStateCreateInfo - state
var depthStencil = new VkPipelineDepthStencilStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineDepthStencilStateCreateInfo,
depthTestEnable = true,
depthCompareOp = (VkCompareOp)DepthTest,
depthWriteEnable = DepthWrite,
depthBoundsTestEnable = false,
stencilTestEnable = false,
maxDepthBounds = ViewportMaxDepth,
minDepthBounds = ViewportMinDepth,
};
var depthStencil_ptr = depthStencil.Pointer();
//VkPipelineColorBlendStateCreateInfo - state
var colorBlendStates = new VkPipelineColorBlendAttachmentState[RenderPass.ColorAttachments == null ? 0 : RenderPass.ColorAttachments.Length];
for (int i = 0; i < colorBlendStates.Length; i++)
{
colorBlendStates[i] = new VkPipelineColorBlendAttachmentState()
{
colorWriteMask = VkColorComponentFlags.ColorComponentRBit | VkColorComponentFlags.ColorComponentGBit | VkColorComponentFlags.ColorComponentBBit | VkColorComponentFlags.ColorComponentABit,
blendEnable = false,
};
}
var colorBlendStates_ptr = colorBlendStates.Pointer();
var colorBlend = new VkPipelineColorBlendStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineColorBlendStateCreateInfo,
logicOpEnable = false,
logicOp = VkLogicOp.LogicOpCopy,
attachmentCount = (uint)colorBlendStates.Length,
pAttachments = colorBlendStates_ptr,
};
colorBlend.blendConstants[0] = 0;
colorBlend.blendConstants[1] = 0;
colorBlend.blendConstants[2] = 0;
colorBlend.blendConstants[3] = 0;
var colorBlend_ptr = colorBlend.Pointer();
var dynamicStates = stackalloc VkDynamicState[]
{
VkDynamicState.DynamicStateViewport
};
var dynamicState = new VkPipelineDynamicStateCreateInfo()
{
sType = VkStructureType.StructureTypePipelineDynamicStateCreateInfo,
dynamicStateCount = ViewportDynamic ? 1u : 0u,
pDynamicStates = dynamicStates
};
var dynamicState_ptr = dynamicState.Pointer();
//Setup graphics pipeline
var pipelineInfo = new VkGraphicsPipelineCreateInfo()
{
sType = VkStructureType.StructureTypeGraphicsPipelineCreateInfo,
stageCount = (uint)shaderStages.Length,
pStages = shaderStages_ptr,
pVertexInputState = vertexInputInfo_ptr,
pInputAssemblyState = inputAssembly_ptr,
pViewportState = viewportCreateInfo_ptr,
pRasterizationState = rasterizer_ptr,
pMultisampleState = multisampling_ptr,
pDepthStencilState = depthStencil_ptr,
pColorBlendState = colorBlend_ptr,
pDynamicState = dynamicState_ptr,
layout = PipelineLayout.hndl,
renderPass = RenderPass.hndl,
subpass = 0,
basePipelineHandle = IntPtr.Zero,
basePipelineIndex = -1,
};
IntPtr pipeline_l = IntPtr.Zero;
if (vkCreateGraphicsPipelines(GraphicsDevice.GetDeviceInfo(deviceIndex).Device, IntPtr.Zero, 1, pipelineInfo.Pointer(), null, &pipeline_l) != VkResult.Success)
{
throw new Exception("Failed to create graphics pipeline.");
}
hndl = pipeline_l;
if (GraphicsDevice.EnableValidation)
{
var objName = new VkDebugUtilsObjectNameInfoEXT()
{
sType = VkStructureType.StructureTypeDebugUtilsObjectNameInfoExt,
pObjectName = Name,
objectType = VkObjectType.ObjectTypePipeline,
objectHandle = (ulong)hndl
};
GraphicsDevice.SetDebugUtilsObjectNameEXT(GraphicsDevice.GetDeviceInfo(deviceIndex).Device, objName.Pointer());
}
devID = deviceIndex;
locked = true;
}
}
else
{
throw new Exception("Pipeline is locked.");
}
}
void CreateGraphicsPipeline()
{
VkShaderModule vert = CreateShaderModule(File.ReadAllBytes("vert.spv"));
VkShaderModule frag = CreateShaderModule(File.ReadAllBytes("frag.spv"));
InteropString entry = new InteropString("main");
var vertInfo = new VkPipelineShaderStageCreateInfo();
vertInfo.sType = CSGL.Vulkan.VkStructureType.PipelineShaderStageCreateInfo;
vertInfo.stage = CSGL.Vulkan.VkShaderStageFlags.VertexBit;
vertInfo.module = vert;
vertInfo.pName = entry.Address;
var fragInfo = new VkPipelineShaderStageCreateInfo();
fragInfo.sType = CSGL.Vulkan.VkStructureType.PipelineShaderStageCreateInfo;
fragInfo.stage = CSGL.Vulkan.VkShaderStageFlags.FragmentBit;
fragInfo.module = frag;
fragInfo.pName = entry.Address;
var shaderStages = new NativeArray <VkPipelineShaderStageCreateInfo>(2);
shaderStages[0] = vertInfo;
shaderStages[1] = fragInfo;
var vertexInputInfo = new VkPipelineVertexInputStateCreateInfo();
vertexInputInfo.sType = CSGL.Vulkan.VkStructureType.PipelineVertexInputStateCreateInfo;
var vertexInputNative = new Native <VkPipelineVertexInputStateCreateInfo>(vertexInputInfo);
var inputAssembly = new VkPipelineInputAssemblyStateCreateInfo();
inputAssembly.sType = CSGL.Vulkan.VkStructureType.PipelineInputAssemblyStateCreateInfo;
inputAssembly.topology = CSGL.Vulkan.VkPrimitiveTopology.TriangleList;
var inputAssemblyNative = new Native <VkPipelineInputAssemblyStateCreateInfo>(inputAssembly);
var viewport = new VkViewport();
viewport.width = swapchainExtent.width;
viewport.height = swapchainExtent.height;
viewport.minDepth = 0f;
viewport.maxDepth = 1f;
var viewportNative = new Native <VkViewport>(viewport);
var scissor = new VkRect2D();
scissor.extent = swapchainExtent;
var scissorNative = new Native <VkRect2D>(scissor);
var viewportState = new VkPipelineViewportStateCreateInfo();
viewportState.sType = CSGL.Vulkan.VkStructureType.PipelineViewportStateCreateInfo;
viewportState.viewportCount = 1;
viewportState.pViewports = viewportNative.Address;
viewportState.scissorCount = 1;
viewportState.pScissors = scissorNative.Address;
var viewportStateNative = new Native <VkPipelineViewportStateCreateInfo>(viewportState);
var rasterizer = new VkPipelineRasterizationStateCreateInfo();
rasterizer.sType = CSGL.Vulkan.VkStructureType.PipelineRasterizationStateCreateInfo;
rasterizer.polygonMode = CSGL.Vulkan.VkPolygonMode.Fill;
rasterizer.lineWidth = 1f;
rasterizer.cullMode = CSGL.Vulkan.VkCullModeFlags.BackBit;
rasterizer.frontFace = CSGL.Vulkan.VkFrontFace.Clockwise;
var rasterizerNative = new Native <VkPipelineRasterizationStateCreateInfo>(rasterizer);
var multisampling = new VkPipelineMultisampleStateCreateInfo();
multisampling.sType = CSGL.Vulkan.VkStructureType.PipelineMultisampleStateCreateInfo;
multisampling.rasterizationSamples = CSGL.Vulkan.VkSampleCountFlags._1_Bit;
multisampling.minSampleShading = 1f;
var multisamplingNative = new Native <VkPipelineMultisampleStateCreateInfo>(multisampling);
var colorBlendAttachment = new VkPipelineColorBlendAttachmentState();
colorBlendAttachment.colorWriteMask = CSGL.Vulkan.VkColorComponentFlags.RBit
| CSGL.Vulkan.VkColorComponentFlags.GBit
| CSGL.Vulkan.VkColorComponentFlags.BBit
| CSGL.Vulkan.VkColorComponentFlags.ABit;
colorBlendAttachment.srcColorBlendFactor = CSGL.Vulkan.VkBlendFactor.One;
colorBlendAttachment.dstColorBlendFactor = CSGL.Vulkan.VkBlendFactor.Zero;
colorBlendAttachment.colorBlendOp = CSGL.Vulkan.VkBlendOp.Add;
colorBlendAttachment.srcAlphaBlendFactor = CSGL.Vulkan.VkBlendFactor.One;
colorBlendAttachment.dstAlphaBlendFactor = CSGL.Vulkan.VkBlendFactor.Zero;
colorBlendAttachment.alphaBlendOp = CSGL.Vulkan.VkBlendOp.Add;
var colorBlendAttachmentNative = new Native <VkPipelineColorBlendAttachmentState>(colorBlendAttachment);
var colorBlending = new VkPipelineColorBlendStateCreateInfo();
colorBlending.sType = CSGL.Vulkan.VkStructureType.PipelineColorBlendStateCreateInfo;
colorBlending.logicOp = CSGL.Vulkan.VkLogicOp.Copy;
colorBlending.attachmentCount = 1;
colorBlending.pAttachments = colorBlendAttachmentNative.Address;
var colorBlendingNative = new Native <VkPipelineColorBlendStateCreateInfo>(colorBlending);
var pipelineLayoutInfo = new VkPipelineLayoutCreateInfo();
pipelineLayoutInfo.sType = CSGL.Vulkan.VkStructureType.PipelineLayoutCreateInfo;
if (pipelineLayout != VkPipelineLayout.Null)
{
VK.DestroyPipelineLayout(device, pipelineLayout, alloc);
}
var result = VK.CreatePipelineLayout(device, ref pipelineLayoutInfo, alloc, out pipelineLayout);
var info = new VkGraphicsPipelineCreateInfo();
info.sType = CSGL.Vulkan.VkStructureType.GraphicsPipelineCreateInfo;
info.stageCount = 2;
info.pStages = shaderStages.Address;
info.pVertexInputState = vertexInputNative.Address;
info.pInputAssemblyState = inputAssemblyNative.Address;
info.pViewportState = viewportStateNative.Address;
info.pRasterizationState = rasterizerNative.Address;
info.pMultisampleState = multisamplingNative.Address;
info.pColorBlendState = colorBlendingNative.Address;
info.layout = pipelineLayout;
info.renderPass = renderPass;
info.subpass = 0;
info.basePipelineHandle = VkPipeline.Null;
info.basePipelineIndex = -1;
var infoNative = new Native <VkGraphicsPipelineCreateInfo>(info);
var temp = new Native <VkPipeline>();
if (pipeline != VkPipeline.Null)
{
VK.DestroyPipeline(device, pipeline, alloc);
}
result = VK.CreateGraphicsPipelines(device, VkPipelineCache.Null, 1, infoNative.Address, alloc, temp.Address);
pipeline = temp.Value;
infoNative.Dispose();
temp.Dispose();
entry.Dispose();
shaderStages.Dispose();
vertexInputNative.Dispose();
inputAssemblyNative.Dispose();
viewportNative.Dispose();
scissorNative.Dispose();
viewportStateNative.Dispose();
rasterizerNative.Dispose();
multisamplingNative.Dispose();
colorBlendingNative.Dispose();
colorBlendAttachmentNative.Dispose();
VK.DestroyShaderModule(device, vert, alloc);
VK.DestroyShaderModule(device, frag, alloc);
}
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);
}
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;
}
}
void preparePipelines()
{
var inputAssemblyState = new VkPipelineInputAssemblyStateCreateInfo();
inputAssemblyState.sType = PipelineInputAssemblyStateCreateInfo;
inputAssemblyState.topology = VkPrimitiveTopology.TriangleList;
inputAssemblyState.flags = 0;
inputAssemblyState.primitiveRestartEnable = false;
var rasterizationState = new VkPipelineRasterizationStateCreateInfo();
rasterizationState.sType = PipelineRasterizationStateCreateInfo;
rasterizationState.polygonMode = VkPolygonMode.Fill;
rasterizationState.cullMode = VkCullModeFlagBits.Back;
rasterizationState.frontFace = VkFrontFace.Clockwise;
rasterizationState.flags = 0;
var blendAttachmentState = new VkPipelineColorBlendAttachmentState();
blendAttachmentState.colorWriteMask = (VkColorComponentFlagBits)0xf;
blendAttachmentState.blendEnable = false;
var colorBlendState = new VkPipelineColorBlendStateCreateInfo();
colorBlendState.sType = PipelineColorBlendStateCreateInfo;
colorBlendState.attachments = blendAttachmentState;
var depthStencilState = new VkPipelineDepthStencilStateCreateInfo();
depthStencilState.sType = PipelineDepthStencilStateCreateInfo;
depthStencilState.depthTestEnable = true;
depthStencilState.depthWriteEnable = true;
depthStencilState.depthCompareOp = VkCompareOp.LessOrEqual;
var viewportState = new VkPipelineViewportStateCreateInfo();
viewportState.sType = PipelineViewportStateCreateInfo;
viewportState.viewports.count = 1;
viewportState.scissors.count = 1;
viewportState.flags = 0;
var multisampleState = new VkPipelineMultisampleStateCreateInfo();
multisampleState.sType = PipelineMultisampleStateCreateInfo;
multisampleState.rasterizationSamples = VkSampleCountFlagBits._1;
multisampleState.flags = 0;
var dynamicStateEnables = new VkDynamicState[2];
dynamicStateEnables[0] = VkDynamicState.Viewport;
dynamicStateEnables[1] = VkDynamicState.Scissor;
VkPipelineDynamicStateCreateInfo dynamicState = new VkPipelineDynamicStateCreateInfo();
dynamicState.sType = PipelineDynamicStateCreateInfo;
dynamicState.dynamicStates = dynamicStateEnables;
dynamicState.flags = 0;
// Solid rendering pipeline
// Load shaders
var shaderStages = new VkPipelineShaderStageCreateInfo[2];
shaderStages[0] = loadShader(getAssetPath() + "shaders/mesh/mesh.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/mesh/mesh.frag.spv", VkShaderStageFlagBits.Fragment);
var info = new VkGraphicsPipelineCreateInfo();
info.sType = GraphicsPipelineCreateInfo;
info.layout = pipelineLayout;
info.renderPass = renderPass;
info.flags = 0;
var via = vInputStateInfo;
info.pVertexInputState = via;
info.pInputAssemblyState = &inputAssemblyState;
info.pRasterizationState = &rasterizationState;
info.pColorBlendState = &colorBlendState;
info.pMultisampleState = &multisampleState;
info.pViewportState = &viewportState;
info.pDepthStencilState = &depthStencilState;
info.pDynamicState = &dynamicState;
info.stages = shaderStages;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, &info, null, &pipeline);
this.pipelines_solid = pipeline;
}
// Wire frame rendering pipeline
if (DeviceFeatures.fillModeNonSolid == true)
{
rasterizationState.polygonMode = VkPolygonMode.Line;
rasterizationState.lineWidth = 1.0f;
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, &info, null, &pipeline);
this.pipelines_wireframe = pipeline;
}
}
public void CreateGraphicsPipeline(string[] fileShaders, Framebuffer framebuffer)
{
VkShaderModule vertexShader = NativeDevice.LoadSPIR_V_Shader(fileShaders[0], ShaderCompiler.ShaderCompiler.Stage.vertex_shader);
VkShaderModule fragmentShader = NativeDevice.LoadSPIR_V_Shader(fileShaders[1], ShaderCompiler.ShaderCompiler.Stage.fragment_shader);
VkPipelineShaderStageCreateInfo vertCreateInfo = new VkPipelineShaderStageCreateInfo()
{
sType = VkStructureType.PipelineShaderStageCreateInfo,
pNext = null,
stage = VkShaderStageFlags.Vertex,
module = vertexShader,
pName = Interop.String.ToPointer("main"),
};
VkPipelineShaderStageCreateInfo fragCreateInfo = new VkPipelineShaderStageCreateInfo
{
sType = VkStructureType.PipelineShaderStageCreateInfo,
pNext = null,
flags = 0,
stage = VkShaderStageFlags.Fragment,
module = fragmentShader,
pName = Interop.String.ToPointer("main"),
};
VkPipelineShaderStageCreateInfo *shaderStageCreateInfos = stackalloc VkPipelineShaderStageCreateInfo[2];
shaderStageCreateInfos[0] = vertCreateInfo;
shaderStageCreateInfos[1] = fragCreateInfo;
VkPipelineVertexInputStateCreateInfo vertexInputStateCI = VkPipelineVertexInputStateCreateInfo.New();
//var vertexBindingDesc = Vertex.GetBindingDescription();
vertexInputStateCI.vertexBindingDescriptionCount = 0;
//vertexInputStateCI.pVertexBindingDescriptions = Interop.Struct.AllocToPointer(ref vertexBindingDesc);
vertexInputStateCI.vertexAttributeDescriptionCount = 0;
//vertexInputStateCI.pVertexAttributeDescriptions = Interop.Struct.AllocToPointer(Vertex.GetAttributeDescriptions());
//vertexInputStateCI.pVertexAttributeDescriptions = Interop.Struct.AllocToPointer(Vertex.GetAttributeDescriptions().AsSpan());
VkPipelineInputAssemblyStateCreateInfo inputAssemblyCI = VkPipelineInputAssemblyStateCreateInfo.New();
inputAssemblyCI.primitiveRestartEnable = false;
inputAssemblyCI.topology = VkPrimitiveTopology.TriangleList;
VkPipelineRasterizationStateCreateInfo rasterizerStateCI = VkPipelineRasterizationStateCreateInfo.New();
rasterizerStateCI.cullMode = VkCullModeFlags.None;
rasterizerStateCI.polygonMode = VkPolygonMode.Fill;
rasterizerStateCI.lineWidth = 2.5f;
rasterizerStateCI.frontFace = VkFrontFace.CounterClockwise;
VkPipelineMultisampleStateCreateInfo multisampleStateCI = VkPipelineMultisampleStateCreateInfo.New();
multisampleStateCI.rasterizationSamples = VkSampleCountFlags.Count1;
multisampleStateCI.minSampleShading = 1f;
VkPipelineColorBlendAttachmentState colorBlendAttachementState = new VkPipelineColorBlendAttachmentState();
colorBlendAttachementState.colorWriteMask = VkColorComponentFlags.R | VkColorComponentFlags.G | VkColorComponentFlags.B | VkColorComponentFlags.A;
colorBlendAttachementState.blendEnable = false;
VkPipelineColorBlendStateCreateInfo colorBlendStateCI = VkPipelineColorBlendStateCreateInfo.New();
colorBlendStateCI.attachmentCount = 1;
colorBlendStateCI.pAttachments = &colorBlendAttachementState;
//VkDescriptorSetLayout dsl = _descriptoSetLayout;
VkPipelineLayoutCreateInfo pipelineLayoutCI = VkPipelineLayoutCreateInfo.New();
pipelineLayoutCI.setLayoutCount = 0;
//pipelineLayoutCI.pSetLayouts = &dsl;
vkCreatePipelineLayout(NativeDevice.Device, ref pipelineLayoutCI, null, out pipelineLayout);
VkGraphicsPipelineCreateInfo graphicsPipelineCI = VkGraphicsPipelineCreateInfo.New();
graphicsPipelineCI.stageCount = 2;
graphicsPipelineCI.pStages = shaderStageCreateInfos;
graphicsPipelineCI.pVertexInputState = &vertexInputStateCI;
graphicsPipelineCI.pInputAssemblyState = &inputAssemblyCI;
graphicsPipelineCI.pRasterizationState = &rasterizerStateCI;
graphicsPipelineCI.pMultisampleState = &multisampleStateCI;
graphicsPipelineCI.pColorBlendState = &colorBlendStateCI;
graphicsPipelineCI.layout = pipelineLayout;
graphicsPipelineCI.renderPass = framebuffer.NativeRenderPass;
graphicsPipelineCI.subpass = 0;
vkCreateGraphicsPipelines(NativeDevice.Device, VkPipelineCache.Null, 1, ref graphicsPipelineCI, null, out graphicsPipeline);
}
private void CreateGraphicsPipeline()
{
// Shader stages
var vertShaderCode = System.IO.File.ReadAllBytes("Shaders/vert.spv");
var fragShaderCode = System.IO.File.ReadAllBytes("Shaders/frag.spv");
var vertShaderModule = CreateShaderModule(vertShaderCode);
var fragShaderModule = CreateShaderModule(fragShaderCode);
string name = "main";
int byteCount = System.Text.Encoding.UTF8.GetByteCount(name);
byte * utf8Ptr = stackalloc byte[byteCount];
fixed(char *namePtr = name)
{
System.Text.Encoding.UTF8.GetBytes(namePtr, name.Length, utf8Ptr, byteCount);
}
var vertShaderStageInfo = new VkPipelineShaderStageCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
stage = VkShaderStageFlagBits.VK_SHADER_STAGE_VERTEX_BIT,
module = vertShaderModule,
pName = utf8Ptr,
};
var fragShaderStageInfo = new VkPipelineShaderStageCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
stage = VkShaderStageFlagBits.VK_SHADER_STAGE_FRAGMENT_BIT,
module = fragShaderModule,
pName = utf8Ptr,
};
var shaderStages = stackalloc VkPipelineShaderStageCreateInfo[] { vertShaderStageInfo, fragShaderStageInfo };
// VertexInput
var vertexInputInfo = new VkPipelineVertexInputStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
vertexBindingDescriptionCount = 0,
pVertexBindingDescriptions = null,
vertexAttributeDescriptionCount = 0,
pVertexAttributeDescriptions = null,
};
var inputAssembly = new VkPipelineInputAssemblyStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
topology = VkPrimitiveTopology.VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
primitiveRestartEnable = false,
};
var viewport = new VkViewport()
{
x = 0f,
y = 0f,
width = (float)vkSwapChainExtent.width,
height = (float)vkSwapChainExtent.height,
minDepth = 0f,
maxDepth = 1f,
};
var scissor = new VkRect2D()
{
offset = new VkOffset2D()
{
x = 0, y = 0
},
extent = vkSwapChainExtent,
};
var viewportState = new VkPipelineViewportStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
viewportCount = 1,
pViewports = &viewport,
scissorCount = 1,
pScissors = &scissor,
};
var rasterizer = new VkPipelineRasterizationStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
depthClampEnable = false,
rasterizerDiscardEnable = false,
polygonMode = VkPolygonMode.VK_POLYGON_MODE_FILL,
lineWidth = 1f,
cullMode = VkCullModeFlagBits.VK_CULL_MODE_BACK_BIT,
frontFace = VkFrontFace.VK_FRONT_FACE_CLOCKWISE,
depthBiasEnable = false,
depthBiasConstantFactor = 0f,
depthBiasClamp = 0f,
depthBiasSlopeFactor = 0f,
};
var multisampling = new VkPipelineMultisampleStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
sampleShadingEnable = false,
rasterizationSamples = VkSampleCountFlagBits.VK_SAMPLE_COUNT_1_BIT,
minSampleShading = 1f,
pSampleMask = null,
alphaToCoverageEnable = false,
alphaToOneEnable = false,
};
var colorBlendAttachment = new VkPipelineColorBlendAttachmentState()
{
colorWriteMask = VkColorComponentFlagBits.VK_COLOR_COMPONENT_R_BIT | VkColorComponentFlagBits.VK_COLOR_COMPONENT_G_BIT | VkColorComponentFlagBits.VK_COLOR_COMPONENT_B_BIT | VkColorComponentFlagBits.VK_COLOR_COMPONENT_A_BIT,
blendEnable = false,
};
var colorBlending = new VkPipelineColorBlendStateCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
logicOpEnable = false,
logicOp = VkLogicOp.VK_LOGIC_OP_COPY,
pAttachments = &colorBlendAttachment,
attachmentCount = 1,
blendConstants_0 = 0f,
blendConstants_1 = 0f,
blendConstants_2 = 0f,
blendConstants_3 = 0f,
};
var pipelineLayoutInfo = new VkPipelineLayoutCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
setLayoutCount = 0,
pushConstantRangeCount = 0,
};
VkPipelineLayout newPipelineLayout;
var result = VulkanNative.vkCreatePipelineLayout(vkDevice, &pipelineLayoutInfo, null, &newPipelineLayout);
vkPipelineLayout = newPipelineLayout;
Helpers.CheckErrors(result);
var pipelineInfo = new VkGraphicsPipelineCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
stageCount = 2,
pStages = shaderStages,
pVertexInputState = &vertexInputInfo,
pInputAssemblyState = &inputAssembly,
pViewportState = &viewportState,
pRasterizationState = &rasterizer,
pMultisampleState = &multisampling,
pDepthStencilState = null,
pColorBlendState = &colorBlending,
pDynamicState = null,
layout = vkPipelineLayout,
renderPass = vkRenderPass,
subpass = 0,
basePipelineHandle = 0,
basePipelineIndex = -1,
};
VkPipeline newPipeline;
result = VulkanNative.vkCreateGraphicsPipelines(vkDevice, 0, 1, &pipelineInfo, null, &newPipeline);
vkGraphicsPipeline = newPipeline;
Helpers.CheckErrors(result);
VulkanNative.vkDestroyShaderModule(vkDevice, vertShaderModule, null);
VulkanNative.vkDestroyShaderModule(vkDevice, fragShaderModule, null);
}
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;
}
void preparePipelines()
{
var inputAssemblyState = VkPipelineInputAssemblyStateCreateInfo.Alloc();
inputAssemblyState->topology = VkPrimitiveTopology.TriangleList;
inputAssemblyState->primitiveRestartEnable = false;
var rasterizationState = VkPipelineRasterizationStateCreateInfo.Alloc();
rasterizationState->polygonMode = VkPolygonMode.Fill;
rasterizationState->cullMode = VkCullModeFlagBits.None;
rasterizationState->frontFace = VkFrontFace.CounterClockwise;
rasterizationState->lineWidth = 1.0f;
var blendAttachmentState = VkPipelineColorBlendAttachmentState.Alloc();
blendAttachmentState->colorWriteMask = (VkColorComponentFlagBits)0xf;
blendAttachmentState->blendEnable = false;
var colorBlendState = VkPipelineColorBlendStateCreateInfo.Alloc();
colorBlendState->attachments.count = 1;
colorBlendState->attachments.pointer = blendAttachmentState;
var depthStencilState = VkPipelineDepthStencilStateCreateInfo.Alloc();
depthStencilState->depthTestEnable = true;
depthStencilState->depthWriteEnable = true;
depthStencilState->depthCompareOp = VkCompareOp.LessOrEqual;
depthStencilState->front = depthStencilState->back;
depthStencilState->back.compareOp = VkCompareOp.Always;
var viewportState = VkPipelineViewportStateCreateInfo.Alloc();
viewportState[0].viewports.count = 1;
viewportState[0].scissors.count = 1;
var multisampleState = VkPipelineMultisampleStateCreateInfo.Alloc();
multisampleState->rasterizationSamples = VkSampleCountFlagBits._1;
var dynamicStateEnables = new VkDynamicState[] { VkDynamicState.Viewport, VkDynamicState.Scissor };
var dynamicState = VkPipelineDynamicStateCreateInfo.Alloc();
dynamicState[0].dynamicStates = dynamicStateEnables;
var shaderStages = VkPipelineShaderStageCreateInfo.Alloc(2);
var pipelineCreateInfo = VkGraphicsPipelineCreateInfo.Alloc();
pipelineCreateInfo->layout = pipelineLayoutRadialBlur;
pipelineCreateInfo->renderPass = renderPass;
pipelineCreateInfo->basePipelineIndex = -1;
pipelineCreateInfo->pInputAssemblyState = inputAssemblyState;
pipelineCreateInfo->pRasterizationState = rasterizationState;
pipelineCreateInfo->pColorBlendState = colorBlendState;
pipelineCreateInfo->pMultisampleState = multisampleState;
pipelineCreateInfo->pViewportState = viewportState;
pipelineCreateInfo->pDepthStencilState = depthStencilState;
pipelineCreateInfo->pDynamicState = dynamicState;
pipelineCreateInfo->stages.count = 2;
pipelineCreateInfo->stages.pointer = shaderStages;
// Radial blur pipeline
shaderStages[0] = loadShader(getAssetPath() + "shaders/radialblur/radialblur.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/radialblur/radialblur.frag.spv", VkShaderStageFlagBits.Fragment);
// Empty vertex input state
var emptyInputState = VkPipelineVertexInputStateCreateInfo.Alloc();
pipelineCreateInfo->pVertexInputState = emptyInputState;
pipelineCreateInfo->layout = pipelineLayoutRadialBlur;
// Additive blending
blendAttachmentState->colorWriteMask = (VkColorComponentFlagBits)0xF;
blendAttachmentState->blendEnable = true;
blendAttachmentState->colorBlendOp = VkBlendOp.Add;
blendAttachmentState->srcColorBlendFactor = VkBlendFactor.One;
blendAttachmentState->dstColorBlendFactor = VkBlendFactor.One;
blendAttachmentState->alphaBlendOp = VkBlendOp.Add;
blendAttachmentState->srcAlphaBlendFactor = VkBlendFactor.SrcAlpha;
blendAttachmentState->dstAlphaBlendFactor = VkBlendFactor.DstAlpha;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelineRadialBlur = pipeline;
}
// No blending (for debug display)
blendAttachmentState->blendEnable = false;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelineOffscreenDisplay = pipeline;
}
// Phong pass
pipelineCreateInfo->layout = pipelineLayoutScene;
shaderStages[0] = loadShader(getAssetPath() + "shaders/radialblur/phongpass.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/radialblur/phongpass.frag.spv", VkShaderStageFlagBits.Fragment);
pipelineCreateInfo->pVertexInputState = inputInfo;
blendAttachmentState->blendEnable = false;
depthStencilState->depthWriteEnable = true;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelinePhongPass = pipeline;
}
// Color only pass (offscreen blur base)
shaderStages[0] = loadShader(getAssetPath() + "shaders/radialblur/colorpass.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/radialblur/colorpass.frag.spv", VkShaderStageFlagBits.Fragment);
pipelineCreateInfo->renderPass = offscreenPass.renderPass;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelineColorPass = pipeline;
}
}
void CreateGraphicsPipeline()
{
var vert = CreateShaderModule(File.ReadAllBytes("vert.spv"));
var frag = CreateShaderModule(File.ReadAllBytes("frag.spv"));
var vertInfo = new VkPipelineShaderStageCreateInfo();
vertInfo.stage = VkShaderStageFlags.VertexBit;
vertInfo.module = vert;
vertInfo.name = "main";
var fragInfo = new VkPipelineShaderStageCreateInfo();
fragInfo.stage = VkShaderStageFlags.FragmentBit;
fragInfo.module = frag;
fragInfo.name = "main";
var shaderStages = new List <VkPipelineShaderStageCreateInfo> {
vertInfo, fragInfo
};
var vertexInputInfo = new VkPipelineVertexInputStateCreateInfo();
var inputAssembly = new VkPipelineInputAssemblyStateCreateInfo();
inputAssembly.topology = VkPrimitiveTopology.TriangleList;
var viewport = new VkViewport();
viewport.width = swapchainExtent.width;
viewport.height = swapchainExtent.height;
viewport.minDepth = 0f;
viewport.maxDepth = 1f;
var scissor = new VkRect2D();
scissor.extent = swapchainExtent;
var viewportState = new VkPipelineViewportStateCreateInfo();
viewportState.viewports = new List <VkViewport> {
viewport
};
viewportState.scissors = new List <VkRect2D> {
scissor
};
var rasterizer = new VkPipelineRasterizationStateCreateInfo();
rasterizer.polygonMode = VkPolygonMode.Fill;
rasterizer.lineWidth = 1f;
rasterizer.cullMode = VkCullModeFlags.BackBit;
rasterizer.frontFace = VkFrontFace.Clockwise;
var multisampling = new VkPipelineMultisampleStateCreateInfo();
multisampling.rasterizationSamples = VkSampleCountFlags._1_Bit;
multisampling.minSampleShading = 1f;
var colorBlendAttachment = new VkPipelineColorBlendAttachmentState();
colorBlendAttachment.colorWriteMask = VkColorComponentFlags.RBit
| VkColorComponentFlags.GBit
| VkColorComponentFlags.BBit
| VkColorComponentFlags.ABit;
colorBlendAttachment.srcColorBlendFactor = VkBlendFactor.One;
colorBlendAttachment.dstColorBlendFactor = VkBlendFactor.Zero;
colorBlendAttachment.colorBlendOp = VkBlendOp.Add;
colorBlendAttachment.srcAlphaBlendFactor = VkBlendFactor.One;
colorBlendAttachment.dstAlphaBlendFactor = VkBlendFactor.Zero;
colorBlendAttachment.alphaBlendOp = VkBlendOp.Add;
var colorBlending = new VkPipelineColorBlendStateCreateInfo();
colorBlending.logicOp = VkLogicOp.Copy;
colorBlending.attachments = new List <VkPipelineColorBlendAttachmentState> {
colorBlendAttachment
};
var pipelineLayoutInfo = new VkPipelineLayoutCreateInfo();
pipelineLayout?.Dispose();
pipelineLayout = new VkPipelineLayout(device, pipelineLayoutInfo);
var info = new VkGraphicsPipelineCreateInfo();
info.stages = shaderStages;
info.vertexInputState = vertexInputInfo;
info.inputAssemblyState = inputAssembly;
info.viewportState = viewportState;
info.rasterizationState = rasterizer;
info.multisampleState = multisampling;
info.colorBlendState = colorBlending;
info.layout = pipelineLayout;
info.renderPass = renderPass;
info.subpass = 0;
info.basePipelineHandle = null;
info.basePipelineIndex = -1;
pipeline?.Dispose();
pipeline = new VkGraphicsPipeline(device, info, null);
vert.Dispose();
frag.Dispose();
}
private void createGraphicsPipeline()
{
var vertShaderModule = createShaderModule(typeof(Shader_Vert_03));
var fragShaderModule = createShaderModule(typeof(Shader_Frag_03));
VkPipelineShaderStageCreateInfo vertShaderStageInfo = new VkPipelineShaderStageCreateInfo();
vertShaderStageInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
vertShaderStageInfo.stage = VkShaderStageFlagBits.VK_SHADER_STAGE_VERTEX_BIT;
vertShaderStageInfo.module = vertShaderModule;
vertShaderStageInfo.pName = "main";
VkPipelineShaderStageCreateInfo fragShaderStageInfo = new VkPipelineShaderStageCreateInfo();
fragShaderStageInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
fragShaderStageInfo.stage = VkShaderStageFlagBits.VK_SHADER_STAGE_FRAGMENT_BIT;
fragShaderStageInfo.module = fragShaderModule;
fragShaderStageInfo.pName = "main";
VkPipelineShaderStageCreateInfo[] shaderStages = new VkPipelineShaderStageCreateInfo[2] {
vertShaderStageInfo, fragShaderStageInfo
};
VkPipelineVertexInputStateCreateInfo vertexInputInfo = new VkPipelineVertexInputStateCreateInfo();
vertexInputInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
var bindingDescription = Vertex.getBindingDescription();
var attributeDescriptions = Vertex.getAttributeDescriptions();
vertexInputInfo.vertexBindingDescriptionCount = 1;
vertexInputInfo.vertexAttributeDescriptionCount = attributeDescriptions.Length;
vertexInputInfo.pVertexBindingDescriptions = new VkVertexInputBindingDescription[] { bindingDescription };
vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions;
VkPipelineInputAssemblyStateCreateInfo inputAssembly = new VkPipelineInputAssemblyStateCreateInfo();
inputAssembly.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
inputAssembly.topology = VkPrimitiveTopology.VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
inputAssembly.primitiveRestartEnable = VkBool32.VK_FALSE;
VkViewport viewport = new VkViewport();
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = (float)swapChainExtent.width;
viewport.height = (float)swapChainExtent.height;
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
VkRect2D scissor = new VkRect2D();
scissor.offset = new VkOffset2D()
{
x = 0, y = 0
};
scissor.extent = swapChainExtent;
VkPipelineViewportStateCreateInfo viewportState = new VkPipelineViewportStateCreateInfo();
viewportState.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
viewportState.viewportCount = 1;
viewportState.pViewports = new VkViewport[] { viewport };
viewportState.scissorCount = 1;
viewportState.pSicssors = new VkRect2D[] { scissor };
VkPipelineRasterizationStateCreateInfo rasterizer = new VkPipelineRasterizationStateCreateInfo();
rasterizer.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rasterizer.depthClampEnable = VkBool32.VK_FALSE;
rasterizer.rasterizerDiscardEnable = VkBool32.VK_FALSE;
rasterizer.polygonMode = VkPolygonMode.VK_POLYGON_MODE_FILL;
rasterizer.lineWidth = 1.0f;
rasterizer.cullMode = VkCullModeFlagBits.VK_CULL_MODE_BACK_BIT;
rasterizer.frontFace = VkFrontFace.VK_FRONT_FACE_CLOCKWISE;
rasterizer.depthBiasEnable = VkBool32.VK_FALSE;
VkPipelineMultisampleStateCreateInfo multisampling = new VkPipelineMultisampleStateCreateInfo();
multisampling.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampling.sampleShadingEnable = VkBool32.VK_FALSE;
multisampling.rasterizationSamples = VkSampleCountFlagBits.VK_SAMPLE_COUNT_1_BIT;
VkPipelineColorBlendAttachmentState colorBlendAttachment = new VkPipelineColorBlendAttachmentState();
colorBlendAttachment.colorWriteMask = VkColorComponentFlagBits.VK_COLOR_COMPONENT_R_BIT | VkColorComponentFlagBits.VK_COLOR_COMPONENT_G_BIT | VkColorComponentFlagBits.VK_COLOR_COMPONENT_B_BIT | VkColorComponentFlagBits.VK_COLOR_COMPONENT_A_BIT;
colorBlendAttachment.blendEnable = VkBool32.VK_FALSE;
VkPipelineColorBlendStateCreateInfo colorBlending = VkPipelineColorBlendStateCreateInfo.Create();
colorBlending.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
colorBlending.logicOpEnable = VkBool32.VK_FALSE;
colorBlending.logicOp = VkLogicOp.VK_LOGIC_OP_COPY;
colorBlending.attachmentCount = 1;
colorBlending.pAttachments = new VkPipelineColorBlendAttachmentState[] { colorBlendAttachment };
colorBlending.blendConstants[0] = 0.0f;
colorBlending.blendConstants[1] = 0.0f;
colorBlending.blendConstants[2] = 0.0f;
colorBlending.blendConstants[3] = 0.0f;
VkPipelineLayoutCreateInfo pipelineLayoutInfo = new VkPipelineLayoutCreateInfo();
pipelineLayoutInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo.setLayoutCount = 0;
pipelineLayoutInfo.pushConstantRangeCount = 0;
VkResult result = Vulkan.vkCreatePipelineLayout(device, pipelineLayoutInfo, null, out pipelineLayout);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to create pipeline layout!");
}
VkGraphicsPipelineCreateInfo pipelineInfo = new VkGraphicsPipelineCreateInfo();
pipelineInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipelineInfo.stageCount = shaderStages.Length;
pipelineInfo.pStages = shaderStages;
pipelineInfo.pVertexInputState = vertexInputInfo;
pipelineInfo.pInputAssemblyState = inputAssembly;
pipelineInfo.pViewportState = viewportState;
pipelineInfo.pRasterizationState = rasterizer;
pipelineInfo.pMultisampleState = multisampling;
pipelineInfo.pColorBlendState = colorBlending;
pipelineInfo.layout = pipelineLayout;
pipelineInfo.renderPass = renderPass;
pipelineInfo.subpass = 0;
pipelineInfo.basePipelineHandle = null;
VkPipeline[] pipelineResult = new VkPipeline[1];
result = Vulkan.vkCreateGraphicsPipelines(device, null, 1, new VkGraphicsPipelineCreateInfo[] { pipelineInfo }, null, pipelineResult);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to create graphics pipeline!", result);
}
graphicsPipeline = pipelineResult[0];
Vulkan.vkDestroyShaderModule(device, fragShaderModule, null);
Vulkan.vkDestroyShaderModule(device, vertShaderModule, null);
}
private void CreateGraphicsPipeline()
{
var vertShaderModule = CreateShaderModule(File.ReadAllBytes("../../Resources/Shaders/vert.spv"));
var fragShaderModule = CreateShaderModule(File.ReadAllBytes("../../Resources/Shaders/frag.spv"));
var vertShaderStageInfo = new VkPipelineShaderStageCreateInfo()
{
Stage = VkShaderStage.Vertex,
Module = vertShaderModule,
Name = "main"
};
var fragShaderStageInfo = new VkPipelineShaderStageCreateInfo()
{
Stage = VkShaderStage.Fragment,
Module = fragShaderModule,
Name = "main"
};
var shaderStages = new[] { vertShaderStageInfo, fragShaderStageInfo };
var vertexInputInfo = new VkPipelineVertexInputStateCreateInfo
{
VertexBindingDescriptions = new[] { Vertex.GetBindingDescription(0) },
VertexAttributeDescriptions = Vertex.GetAttributeDescriptions(0)
};
var inputAssemblyInfo = new VkPipelineInputAssemblyStateCreateInfo
{
Topology = VkPrimitiveTopology.TriangleList,
PrimitiveRestartEnable = false
};
var viewport = new VkViewport
{
X = 0,
Y = 0,
Width = swapChainExtent.Width,
Height = swapChainExtent.Height,
MinDepth = 0,
MaxDepth = 1
};
var scissor = new VkRect2D(new VkOffset2D(0, 0), swapChainExtent);
var viewportStateInfo = new VkPipelineViewportStateCreateInfo
{
Viewports = new [] { viewport },
Scissors = new [] { scissor }
};
var rasterizerInfo = new VkPipelineRasterizationStateCreateInfo
{
DepthClampEnable = false,
RasterizerDiscardEnable = false,
PolygonMode = VkPolygonMode.Fill,
LineWidth = 1f,
CullMode = VkCullMode.Back,
FrontFace = VkFrontFace.Clockwise,
DepthBiasEnable = false,
DepthBiasConstantFactor = 0f,
DepthBiasClamp = 0f,
DepthBiasSlopeFactor = 0f
};
var multisamplingInfo = new VkPipelineMultisampleStateCreateInfo
{
SampleShadingEnable = false,
RasterizationSamples = VkSampleCount.B1,
MinSampleShading = 1f,
SampleMask = null,
AlphaToCoverageEnable = false,
AlphaToOneEnable = false
};
var colorBlendAttachment = new VkPipelineColorBlendAttachmentState
{
ColorWriteMask = VkColorComponent.R | VkColorComponent.G | VkColorComponent.B | VkColorComponent.A,
BlendEnable = (VkBool32)false,
SrcColorBlendFactor = VkBlendFactor.One,
SrcAlphaBlendFactor = VkBlendFactor.One,
ColorBlendOp = VkBlendOp.Add,
AlphaBlendOp = VkBlendOp.Add,
DstColorBlendFactor = VkBlendFactor.Zero,
DstAlphaBlendFactor = VkBlendFactor.Zero
};
var colorBlendingInfo = new VkPipelineColorBlendStateCreateInfo
{
LogicOpEnable = false,
LogicOp = VkLogicOp.Copy,
Attachments = new[] { colorBlendAttachment },
BlendConstants = new VkColor4(0, 0, 0, 0)
};
var dynamicStates = new[]
{
VkDynamicState.Viewport,
VkDynamicState.LineWidth,
};
var dynamicStateInfo = new VkPipelineDynamicStateCreateInfo
{
DynamicStates = dynamicStates
};
var pipelineLayoutInfo = new VkPipelineLayoutCreateInfo
{
SetLayouts = null,
PushConstantRanges = null
};
pipelineLayout = device.CreatePipelineLayout(pipelineLayoutInfo, null).Object;
var pipelineInfo = new VkGraphicsPipelineCreateInfo
{
Stages = shaderStages,
VertexInputState = vertexInputInfo,
InputAssemblyState = inputAssemblyInfo,
TessellationState = null,
ViewportState = viewportStateInfo,
RasterizationState = rasterizerInfo,
MultisampleState = multisamplingInfo,
DepthStencilState = null,
ColorBlendState = colorBlendingInfo,
DynamicState = null,
Layout = pipelineLayout,
RenderPass = renderPass,
Subpass = 0,
BasePipelineHandle = null,
BasePipelineIndex = -1,
Flags = VkPipelineCreateFlags.None
};
graphicsPipeline = device.CreateGraphicsPipelines(null, new[] { pipelineInfo }, null).Object.Single();
vertShaderModule.Dispose();
fragShaderModule.Dispose();
}
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 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;
}
VkPipeline CreatePipeline(VkDevice device, VkSurfaceCapabilitiesKHR surfaceCapabilities,
VkRenderPass renderPass, VkPipelineLayout pipelineLayout)
{
//VkShaderModule vertexShaderModule = device.CreateShaderModule(LoadResource(@"Shaders\shader.vert.spv"));
VkShaderModule vsModule;
{
var info = new VkShaderModuleCreateInfo {
sType = VkStructureType.ShaderModuleCreateInfo
};
byte[] bytes = LoadResource(@"Shaders\shader.vert.spv");
info.code = bytes;
//vkAPI.vkCreateShaderModule(device, bytes);
vkAPI.vkCreateShaderModule(device, &info, null, &vsModule).Check();
info.Free();
}
//VkShaderModule fragmentShaderModule = device.CreateShaderModule(LoadResource(@"Shaders\shader.frag.spv"));
VkShaderModule fsModule;
{
var info = new VkShaderModuleCreateInfo {
sType = VkStructureType.ShaderModuleCreateInfo
};
byte[] bytes = LoadResource(@"Shaders\shader.frag.spv");
info.code = bytes;
//vkAPI.vkCreateShaderModule(device, bytes);
vkAPI.vkCreateShaderModule(device, &info, null, &fsModule).Check();
info.Free();
}
var shaderStages = new VkPipelineShaderStageCreateInfo[2];
{
shaderStages[0].sType = VkStructureType.PipelineShaderStageCreateInfo;
shaderStages[0].stage = VkShaderStageFlagBits.Vertex;
shaderStages[0].module = vsModule;
//"main".Set(ref shaderStages[0].pName);
shaderStages[0].pName = "main";
shaderStages[1].sType = VkStructureType.PipelineShaderStageCreateInfo;
shaderStages[1].stage = VkShaderStageFlagBits.Fragment;
shaderStages[1].module = fsModule;
//"main".Set(ref shaderStages[1].pName);
shaderStages[1].pName = "main";
}
var viewport = new VkPipelineViewportStateCreateInfo {
sType = VkStructureType.PipelineViewportStateCreateInfo
};
viewport.viewports = new VkViewport(surfaceCapabilities.currentExtent, 0.0f, 1.0f);
viewport.scissors = new VkRect2D(surfaceCapabilities.currentExtent);
var multisample = new VkPipelineMultisampleStateCreateInfo {
sType = VkStructureType.PipelineMultisampleStateCreateInfo
};
multisample.rasterizationSamples = VkSampleCountFlagBits._1;
var colorBlend = new VkPipelineColorBlendStateCreateInfo {
sType = VkStructureType.PipelineColorBlendStateCreateInfo
};
colorBlend.logicOp = VkLogicOp.Copy;
var blend = new VkPipelineColorBlendAttachmentState(
colorWriteMask: VkColorComponentFlagBits.R | VkColorComponentFlagBits.G
| VkColorComponentFlagBits.B | VkColorComponentFlagBits.A,
blendEnable: false);
colorBlend.attachments = blend;
var rasterization = new VkPipelineRasterizationStateCreateInfo {
sType = VkStructureType.PipelineRasterizationStateCreateInfo
};
rasterization.polygonMode = VkPolygonMode.Fill;
rasterization.cullMode = VkCullModeFlagBits.None;
rasterization.frontFace = VkFrontFace.Clockwise;
rasterization.lineWidth = 1.0f;
var inputAssem = new VkPipelineInputAssemblyStateCreateInfo {
sType = VkStructureType.PipelineInputAssemblyStateCreateInfo
};
inputAssem.topology = VkPrimitiveTopology.TriangleList;
var input = new VkPipelineVertexInputStateCreateInfo {
sType = VkStructureType.PipelineVertexInputStateCreateInfo
};
// static readonly float[] Vertices = { .. }
input.vertexBindingDescriptions = new VkVertexInputBindingDescription(
binding: 0,
stride: 2 * sizeof(float),
inputRate: VkVertexInputRate.Vertex);
// layout(location = 0) in vec2 inPos;
input.vertexAttributeDescriptions = new VkVertexInputAttributeDescription(
location: 0,
binding: 0,
format: VkFormat.R32g32Sfloat,
offset: 0);
//VkPipelineCache cache = device.CreatePipelineCache(ref cacheInfo);
VkPipelineCache cache;
{
var info = VkPipelineCacheCreateInfo.Alloc();
vkAPI.vkCreatePipelineCache(device, info, null, &cache).Check();
Marshal.FreeHGlobal((IntPtr)info);
}
//var infos = new VkGraphicsPipelineCreateInfo[] { pipelineCreateInfo };
//return device.CreateGraphicsPipelines(ref cache, infos);
VkPipeline pipeline;
{
var info = new VkGraphicsPipelineCreateInfo {
sType = VkStructureType.GraphicsPipelineCreateInfo
};
info.layout = pipelineLayout;
info.pViewportState = &viewport;
info.stages = shaderStages;
info.pMultisampleState = &multisample;
info.pColorBlendState = &colorBlend;
info.pRasterizationState = &rasterization;
info.pInputAssemblyState = &inputAssem;
info.pVertexInputState = &input;
info.renderPass = renderPass;
vkAPI.vkCreateGraphicsPipelines(device, cache, 1, &info, null, &pipeline).Check();
info.Free();
}
shaderStages[0].Free();
shaderStages[1].Free();
viewport.Free();
colorBlend.Free();
input.Free();
return(pipeline);
}
void preparePipelines()
{
var inputAssemblyState = VkPipelineInputAssemblyStateCreateInfo.Alloc();
inputAssemblyState[0].topology = VkPrimitiveTopology.TriangleList;
inputAssemblyState[0].primitiveRestartEnable = false;
var rasterizationState = VkPipelineRasterizationStateCreateInfo.Alloc();
rasterizationState[0].polygonMode = VkPolygonMode.Fill;
rasterizationState[0].cullMode = VkCullModeFlagBits.None;
rasterizationState[0].frontFace = VkFrontFace.CounterClockwise;
rasterizationState[0].depthClampEnable = false;
rasterizationState[0].lineWidth = 1.0f;
var blendAttachmentState = VkPipelineColorBlendAttachmentState.Alloc();
blendAttachmentState[0].colorWriteMask = (VkColorComponentFlagBits)0xf;
blendAttachmentState[0].blendEnable = false;
var colorBlendState = VkPipelineColorBlendStateCreateInfo.Alloc();
colorBlendState[0].attachments.count = 1;
colorBlendState[0].attachments.pointer = blendAttachmentState;
var depthStencilState = VkPipelineDepthStencilStateCreateInfo.Alloc();
depthStencilState[0].depthTestEnable = true;
depthStencilState[0].depthWriteEnable = true;
depthStencilState[0].depthCompareOp = VkCompareOp.LessOrEqual;
depthStencilState[0].front = depthStencilState[0].back;
depthStencilState[0].back.compareOp = VkCompareOp.Always;
var viewportState = VkPipelineViewportStateCreateInfo.Alloc();
viewportState[0].viewports.count = 1;
viewportState[0].scissors.count = 1;
var multisampleState = VkPipelineMultisampleStateCreateInfo.Alloc();
multisampleState[0].rasterizationSamples = VkSampleCountFlagBits._1;
var dynamicStateEnables = new VkDynamicState[] {
VkDynamicState.Viewport,
VkDynamicState.Scissor
};
var dynamicState = VkPipelineDynamicStateCreateInfo.Alloc();
dynamicState[0].dynamicStates = dynamicStateEnables;
// Load shaders
var shaderStages = VkPipelineShaderStageCreateInfo.Alloc(2);
shaderStages[0] = loadShader(getAssetPath() + "shaders/texture/texture.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/texture/texture.frag.spv", VkShaderStageFlagBits.Fragment);
var pipelineCreateInfo = VkGraphicsPipelineCreateInfo.Alloc();
pipelineCreateInfo[0].layout = pipelineLayout;
pipelineCreateInfo[0].renderPass = renderPass;
pipelineCreateInfo[0].basePipelineIndex = -1;
var vertexInputState = vDescription.inputState;
pipelineCreateInfo[0].pVertexInputState = vertexInputState;
pipelineCreateInfo[0].pInputAssemblyState = inputAssemblyState;
pipelineCreateInfo[0].pRasterizationState = rasterizationState;
pipelineCreateInfo[0].pColorBlendState = colorBlendState;
pipelineCreateInfo[0].pMultisampleState = multisampleState;
pipelineCreateInfo[0].pViewportState = viewportState;
pipelineCreateInfo[0].pDepthStencilState = depthStencilState;
pipelineCreateInfo[0].pDynamicState = dynamicState;
pipelineCreateInfo[0].stages.count = 2;
pipelineCreateInfo[0].stages.pointer = shaderStages;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipeline = pipeline;
}
}
