public Pipeline Build()
{
var stages = _stages.ToArray();
var vertexBindings = new VkVertexInputBindingDescription[_vertexBindingDescriptions.Count];
{
var i = 0;
foreach (var kv in _vertexBindingDescriptions)
{
vertexBindings[i++] = kv.Value;
}
}
var attributeBindings = new VkVertexInputAttributeDescription[_vertexAttributeDescriptions.Count];
{
var i = 0;
foreach (var kv in _vertexAttributeDescriptions)
{
attributeBindings[i++] = kv.Value;
}
}
var blendStates = new VkPipelineColorBlendAttachmentState[_blendAttachmentStates.Count];
foreach (var kv in _blendAttachmentStates)
{
blendStates[kv.Key] = kv.Value;
}
var viewports = _viewports.ToArray();
var scissors = _viewportScissors.ToArray();
var dynamicStates = _dynamicStates.ToArray();
try
{
unsafe
{
fixed(VkViewport *viewportPtr = viewports)
fixed(VkRect2D * scissorPtr = scissors)
fixed(VkDynamicState * dynamicPtr = dynamicStates)
fixed(VkPipelineColorBlendAttachmentState * blendPtr = blendStates)
fixed(VkVertexInputBindingDescription * vertexPtr = vertexBindings)
fixed(VkVertexInputAttributeDescription * attributePtr = attributeBindings)
fixed(VkPipelineShaderStageCreateInfo * stagePtr = stages)
{
if (_basePipeline != null)
{
_flags |= VkPipelineCreateFlag.Derivative;
}
else
{
_flags &= ~VkPipelineCreateFlag.Derivative;
}
var vertexInputState = new VkPipelineVertexInputStateCreateInfo()
{
SType = VkStructureType.PipelineVertexInputStateCreateInfo,
PNext = IntPtr.Zero,
Flags = 0,
VertexBindingDescriptionCount = (uint)vertexBindings.Length,
PVertexBindingDescriptions = vertexPtr,
VertexAttributeDescriptionCount = (uint)attributeBindings.Length,
PVertexAttributeDescriptions = attributePtr
};
var assemblyState = _asmInfo;
var tessState = _tessInfo;
var viewportState = new VkPipelineViewportStateCreateInfo()
{
SType = VkStructureType.PipelineViewportStateCreateInfo,
PNext = IntPtr.Zero,
Flags = 0,
ViewportCount = (uint)viewports.Length,
PViewports = viewportPtr,
ScissorCount = (uint)scissors.Length,
PScissors = scissorPtr
};
var rasterState = _rasterInfo;
var multisampleState = _multisampleInfo;
var depthStencilState = _depthStencilInfo;
var colorBlendState = _colorBlendInfo;
colorBlendState.AttachmentCount = (uint)blendStates.Length;
colorBlendState.PAttachments = blendPtr;
var dynamicState = new VkPipelineDynamicStateCreateInfo()
{
SType = VkStructureType.PipelineDynamicStateCreateInfo,
PNext = IntPtr.Zero,
Flags = 0,
DynamicStateCount = (uint)dynamicStates.Length,
PDynamicStates = dynamicPtr
};
var info = new VkGraphicsPipelineCreateInfo()
{
SType = VkStructureType.GraphicsPipelineCreateInfo,
PNext = IntPtr.Zero,
Flags = _flags,
StageCount = (uint)stages.Length,
PStages = stagePtr,
PVertexInputState = &vertexInputState,
PInputAssemblyState = &assemblyState,
PTessellationState = &tessState,
PViewportState = &viewportState,
PRasterizationState = &rasterState,
PMultisampleState = &multisampleState,
PDepthStencilState = &depthStencilState,
PColorBlendState = &colorBlendState,
PDynamicState =
dynamicStates.Length > 0 ? &dynamicState : (VkPipelineDynamicStateCreateInfo *)0,
Layout = _pipelineLayout.Handle,
RenderPass = _pass.Handle,
Subpass = _subpassId,
BasePipelineHandle = _basePipeline?.Handle ?? VkPipeline.Null,
BasePipelineIndex = _basePipelineIndex
};
VkPipeline result = VkPipeline.Null;
VkException.Check(VkDevice.vkCreateGraphicsPipelines(_pass.Device.Handle, VkPipelineCache.Null,
1,
&info, _pass.Instance.AllocationCallbacks, &result));
Debug.Assert(result != VkPipeline.Null);
return(new Pipeline(_pass.Device, VkPipelineBindPoint.Graphics, _pipelineLayout, result));
}
}
}
finally
{
foreach (var pin in _pins)
{
pin.Free();
}
foreach (var strPin in _strPins)
{
Marshal.FreeHGlobal(strPin);
}
}
}
public GraphicsPipelineBuilder Flags(VkPipelineCreateFlag flags)
{
_flags = flags;
return(this);
}
