forked from MoonsideGames/MoonWorks
126 lines
7.1 KiB
C#
126 lines
7.1 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using RefreshCS;
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namespace MoonWorks.Graphics
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{
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/// <summary>
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/// Graphics pipelines encapsulate all of the render state in a single object.
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/// These pipelines are bound before draw calls are issued.
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/// </summary>
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public class GraphicsPipeline : GraphicsResource
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{
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protected override Action<IntPtr, IntPtr> QueueDestroyFunction => Refresh.Refresh_QueueDestroyGraphicsPipeline;
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public GraphicsShaderInfo VertexShaderInfo { get; }
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public GraphicsShaderInfo FragmentShaderInfo { get; }
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public SampleCount SampleCount { get; }
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#if DEBUG
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internal GraphicsPipelineAttachmentInfo AttachmentInfo { get; }
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#endif
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public unsafe GraphicsPipeline(
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GraphicsDevice device,
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in GraphicsPipelineCreateInfo graphicsPipelineCreateInfo
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) : base(device)
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{
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DepthStencilState depthStencilState = graphicsPipelineCreateInfo.DepthStencilState;
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GraphicsShaderInfo vertexShaderInfo = graphicsPipelineCreateInfo.VertexShaderInfo;
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GraphicsShaderInfo fragmentShaderInfo = graphicsPipelineCreateInfo.FragmentShaderInfo;
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MultisampleState multisampleState = graphicsPipelineCreateInfo.MultisampleState;
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RasterizerState rasterizerState = graphicsPipelineCreateInfo.RasterizerState;
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PrimitiveType primitiveType = graphicsPipelineCreateInfo.PrimitiveType;
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VertexInputState vertexInputState = graphicsPipelineCreateInfo.VertexInputState;
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GraphicsPipelineAttachmentInfo attachmentInfo = graphicsPipelineCreateInfo.AttachmentInfo;
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BlendConstants blendConstants = graphicsPipelineCreateInfo.BlendConstants;
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var vertexAttributesHandle = GCHandle.Alloc(
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vertexInputState.VertexAttributes,
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GCHandleType.Pinned
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);
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var vertexBindingsHandle = GCHandle.Alloc(
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vertexInputState.VertexBindings,
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GCHandleType.Pinned
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);
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var colorAttachmentDescriptions = stackalloc Refresh.ColorAttachmentDescription[
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(int) attachmentInfo.ColorAttachmentDescriptions.Length
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];
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for (var i = 0; i < attachmentInfo.ColorAttachmentDescriptions.Length; i += 1)
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{
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colorAttachmentDescriptions[i].format = (Refresh.TextureFormat) attachmentInfo.ColorAttachmentDescriptions[i].Format;
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colorAttachmentDescriptions[i].blendState = attachmentInfo.ColorAttachmentDescriptions[i].BlendState.ToRefresh();
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}
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Refresh.GraphicsPipelineCreateInfo refreshGraphicsPipelineCreateInfo;
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refreshGraphicsPipelineCreateInfo.blendConstants[0] = blendConstants.R;
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refreshGraphicsPipelineCreateInfo.blendConstants[1] = blendConstants.G;
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refreshGraphicsPipelineCreateInfo.blendConstants[2] = blendConstants.B;
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refreshGraphicsPipelineCreateInfo.blendConstants[3] = blendConstants.A;
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refreshGraphicsPipelineCreateInfo.depthStencilState.backStencilState = depthStencilState.BackStencilState.ToRefresh();
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refreshGraphicsPipelineCreateInfo.depthStencilState.compareOp = (Refresh.CompareOp) depthStencilState.CompareOp;
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refreshGraphicsPipelineCreateInfo.depthStencilState.depthBoundsTestEnable = Conversions.BoolToByte(depthStencilState.DepthBoundsTestEnable);
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refreshGraphicsPipelineCreateInfo.depthStencilState.depthTestEnable = Conversions.BoolToByte(depthStencilState.DepthTestEnable);
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refreshGraphicsPipelineCreateInfo.depthStencilState.depthWriteEnable = Conversions.BoolToByte(depthStencilState.DepthWriteEnable);
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refreshGraphicsPipelineCreateInfo.depthStencilState.frontStencilState = depthStencilState.FrontStencilState.ToRefresh();
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refreshGraphicsPipelineCreateInfo.depthStencilState.maxDepthBounds = depthStencilState.MaxDepthBounds;
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refreshGraphicsPipelineCreateInfo.depthStencilState.minDepthBounds = depthStencilState.MinDepthBounds;
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refreshGraphicsPipelineCreateInfo.depthStencilState.stencilTestEnable = Conversions.BoolToByte(depthStencilState.StencilTestEnable);
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refreshGraphicsPipelineCreateInfo.vertexShaderInfo.entryPointName = vertexShaderInfo.EntryPointName;
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refreshGraphicsPipelineCreateInfo.vertexShaderInfo.shaderModule = vertexShaderInfo.ShaderModule.Handle;
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refreshGraphicsPipelineCreateInfo.vertexShaderInfo.uniformBufferSize = vertexShaderInfo.UniformBufferSize;
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refreshGraphicsPipelineCreateInfo.vertexShaderInfo.samplerBindingCount = vertexShaderInfo.SamplerBindingCount;
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refreshGraphicsPipelineCreateInfo.fragmentShaderInfo.entryPointName = fragmentShaderInfo.EntryPointName;
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refreshGraphicsPipelineCreateInfo.fragmentShaderInfo.shaderModule = fragmentShaderInfo.ShaderModule.Handle;
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refreshGraphicsPipelineCreateInfo.fragmentShaderInfo.uniformBufferSize = fragmentShaderInfo.UniformBufferSize;
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refreshGraphicsPipelineCreateInfo.fragmentShaderInfo.samplerBindingCount = fragmentShaderInfo.SamplerBindingCount;
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refreshGraphicsPipelineCreateInfo.multisampleState.multisampleCount = (Refresh.SampleCount) multisampleState.MultisampleCount;
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refreshGraphicsPipelineCreateInfo.multisampleState.sampleMask = multisampleState.SampleMask;
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refreshGraphicsPipelineCreateInfo.rasterizerState.cullMode = (Refresh.CullMode) rasterizerState.CullMode;
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refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasClamp = rasterizerState.DepthBiasClamp;
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refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasConstantFactor = rasterizerState.DepthBiasConstantFactor;
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refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasEnable = Conversions.BoolToByte(rasterizerState.DepthBiasEnable);
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refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasSlopeFactor = rasterizerState.DepthBiasSlopeFactor;
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refreshGraphicsPipelineCreateInfo.rasterizerState.fillMode = (Refresh.FillMode) rasterizerState.FillMode;
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refreshGraphicsPipelineCreateInfo.rasterizerState.frontFace = (Refresh.FrontFace) rasterizerState.FrontFace;
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refreshGraphicsPipelineCreateInfo.vertexInputState.vertexAttributes = vertexAttributesHandle.AddrOfPinnedObject();
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refreshGraphicsPipelineCreateInfo.vertexInputState.vertexAttributeCount = (uint) vertexInputState.VertexAttributes.Length;
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refreshGraphicsPipelineCreateInfo.vertexInputState.vertexBindings = vertexBindingsHandle.AddrOfPinnedObject();
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refreshGraphicsPipelineCreateInfo.vertexInputState.vertexBindingCount = (uint) vertexInputState.VertexBindings.Length;
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refreshGraphicsPipelineCreateInfo.primitiveType = (Refresh.PrimitiveType) primitiveType;
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refreshGraphicsPipelineCreateInfo.attachmentInfo.colorAttachmentCount = (uint) attachmentInfo.ColorAttachmentDescriptions.Length;
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refreshGraphicsPipelineCreateInfo.attachmentInfo.colorAttachmentDescriptions = (IntPtr) colorAttachmentDescriptions;
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refreshGraphicsPipelineCreateInfo.attachmentInfo.depthStencilFormat = (Refresh.TextureFormat) attachmentInfo.DepthStencilFormat;
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refreshGraphicsPipelineCreateInfo.attachmentInfo.hasDepthStencilAttachment = Conversions.BoolToByte(attachmentInfo.HasDepthStencilAttachment);
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Handle = Refresh.Refresh_CreateGraphicsPipeline(device.Handle, refreshGraphicsPipelineCreateInfo);
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if (Handle == IntPtr.Zero)
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{
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throw new Exception("Could not create graphics pipeline!");
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}
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vertexAttributesHandle.Free();
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vertexBindingsHandle.Free();
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VertexShaderInfo = vertexShaderInfo;
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FragmentShaderInfo = fragmentShaderInfo;
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SampleCount = multisampleState.MultisampleCount;
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#if DEBUG
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AttachmentInfo = attachmentInfo;
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#endif
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}
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}
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}
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