300 lines
10 KiB
Go
300 lines
10 KiB
Go
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package pipeline
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import (
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"fmt"
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"log"
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"zworld/engine/renderapi/device"
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"zworld/engine/renderapi/renderpass/attachment"
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"zworld/engine/renderapi/shader"
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"zworld/engine/renderapi/types"
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"zworld/engine/renderapi/vertex"
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"zworld/engine/util"
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"github.com/vkngwrapper/core/v2/core1_0"
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"github.com/vkngwrapper/core/v2/driver"
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)
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type T interface {
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device.Resource[core1_0.Pipeline]
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Layout() Layout
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}
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type pipeline struct {
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ptr core1_0.Pipeline
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device device.T
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layout Layout
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args Args
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}
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func New(device device.T, args Args) T {
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args.defaults()
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log.Println("creating pipeline", args.Key)
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// todo: pipeline cache
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// could probably be controlled a global setting?
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modules := util.Map(args.Shader.Modules(), func(shader shader.Module) core1_0.PipelineShaderStageCreateInfo {
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return core1_0.PipelineShaderStageCreateInfo{
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Module: shader.Ptr(),
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Name: shader.Entrypoint(),
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Stage: core1_0.ShaderStageFlags(shader.Stage()),
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}
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})
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log.Println(" depth test:", args.DepthTest)
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log.Println(" depth func:", args.DepthFunc)
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log.Println(" depth write:", args.DepthWrite)
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log.Println(" attributes", args.Pointers)
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attrs := pointersToVertexAttributes(args.Pointers, 0)
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subpass := args.Pass.Subpass(args.Subpass)
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log.Println(" subpass:", subpass.Name, subpass.Index())
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blendStates := util.Map(subpass.ColorAttachments, func(name attachment.Name) core1_0.PipelineColorBlendAttachmentState {
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attach := args.Pass.Attachment(name)
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// todo: move into attachment object
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// or into the material/pipeline object?
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blend := attach.Blend()
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return core1_0.PipelineColorBlendAttachmentState{
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// additive blending
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BlendEnabled: blend.Enabled,
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ColorBlendOp: blend.Color.Operation,
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SrcColorBlendFactor: blend.Color.SrcFactor,
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DstColorBlendFactor: blend.Color.DstFactor,
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AlphaBlendOp: blend.Alpha.Operation,
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SrcAlphaBlendFactor: blend.Alpha.SrcFactor,
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DstAlphaBlendFactor: blend.Alpha.DstFactor,
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ColorWriteMask: core1_0.ColorComponentRed | core1_0.ColorComponentGreen |
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core1_0.ColorComponentBlue | core1_0.ColorComponentAlpha,
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}
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})
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info := core1_0.GraphicsPipelineCreateInfo{
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// layout
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Layout: args.Layout.Ptr(),
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Subpass: subpass.Index(),
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// renderapi pass
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RenderPass: args.Pass.Ptr(),
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// Stages
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Stages: modules,
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// Vertex input state
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VertexInputState: &core1_0.PipelineVertexInputStateCreateInfo{
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VertexBindingDescriptions: []core1_0.VertexInputBindingDescription{
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{
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Binding: 0,
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Stride: args.Pointers.Stride(),
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InputRate: core1_0.VertexInputRateVertex,
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},
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},
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VertexAttributeDescriptions: attrs,
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},
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// Input assembly
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InputAssemblyState: &core1_0.PipelineInputAssemblyStateCreateInfo{
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Topology: core1_0.PrimitiveTopology(args.Primitive),
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},
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// viewport state
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// does not seem to matter so much since we set it dynamically every frame
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ViewportState: &core1_0.PipelineViewportStateCreateInfo{
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Viewports: []core1_0.Viewport{
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{
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Width: 1000,
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Height: 1000,
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MinDepth: 0,
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MaxDepth: 1,
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},
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},
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Scissors: []core1_0.Rect2D{
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// scissor
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{
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Offset: core1_0.Offset2D{},
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Extent: core1_0.Extent2D{
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Width: 1000,
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Height: 1000,
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},
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},
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},
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},
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// rasterization state
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RasterizationState: &core1_0.PipelineRasterizationStateCreateInfo{
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DepthClampEnable: args.DepthClamp,
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DepthBiasEnable: false,
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RasterizerDiscardEnable: false,
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PolygonMode: args.PolygonFillMode,
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CullMode: core1_0.CullModeFlags(args.CullMode),
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LineWidth: 1,
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// clockwise in vulkans right-handed coordinates is equivalent to the
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// traditional opengl counter-clockwise winding, which is in line with
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// the left-handed world space coordinate system.
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FrontFace: core1_0.FrontFaceClockwise,
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},
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// multisample
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MultisampleState: &core1_0.PipelineMultisampleStateCreateInfo{
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RasterizationSamples: core1_0.Samples1,
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},
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// depth & stencil
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DepthStencilState: &core1_0.PipelineDepthStencilStateCreateInfo{
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// enable depth testing with less or
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DepthTestEnable: args.DepthTest,
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DepthWriteEnable: args.DepthWrite,
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DepthCompareOp: args.DepthFunc,
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DepthBoundsTestEnable: false,
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Back: core1_0.StencilOpState{
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FailOp: core1_0.StencilKeep,
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PassOp: core1_0.StencilKeep,
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CompareOp: core1_0.CompareOpAlways,
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},
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StencilTestEnable: args.StencilTest,
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Front: core1_0.StencilOpState{
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FailOp: core1_0.StencilKeep,
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PassOp: core1_0.StencilKeep,
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CompareOp: core1_0.CompareOpAlways,
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},
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},
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// color blending
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ColorBlendState: &core1_0.PipelineColorBlendStateCreateInfo{
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LogicOpEnabled: false,
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LogicOp: core1_0.LogicOpClear,
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Attachments: blendStates,
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},
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// dynamic state: viewport & scissor
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DynamicState: &core1_0.PipelineDynamicStateCreateInfo{
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DynamicStates: []core1_0.DynamicState{
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core1_0.DynamicStateViewport,
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core1_0.DynamicStateScissor,
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},
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},
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}
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ptrs, result, err := device.Ptr().CreateGraphicsPipelines(nil, nil, []core1_0.GraphicsPipelineCreateInfo{info})
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if err != nil {
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panic(err)
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}
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if result != core1_0.VKSuccess {
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panic("failed to create pipeline")
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}
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if args.Key != "" {
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device.SetDebugObjectName(driver.VulkanHandle(ptrs[0].Handle()), core1_0.ObjectTypePipeline, args.Key)
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}
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return &pipeline{
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ptr: ptrs[0],
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device: device,
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layout: args.Layout,
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args: args,
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}
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}
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func (p *pipeline) Ptr() core1_0.Pipeline {
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return p.ptr
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}
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func (p *pipeline) Layout() Layout {
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return p.layout
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}
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func (p *pipeline) Destroy() {
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p.ptr.Destroy(nil)
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p.ptr = nil
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}
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func pointersToVertexAttributes(ptrs vertex.Pointers, binding int) []core1_0.VertexInputAttributeDescription {
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attrs := make([]core1_0.VertexInputAttributeDescription, 0, len(ptrs))
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for _, ptr := range ptrs {
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if ptr.Binding < 0 {
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continue
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}
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attrs = append(attrs, core1_0.VertexInputAttributeDescription{
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Binding: binding,
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Location: uint32(ptr.Binding),
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Format: convertFormat(ptr),
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Offset: ptr.Offset,
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})
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}
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return attrs
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}
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type ptrType struct {
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Source types.Type
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Target types.Type
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Elements int
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Normalize bool
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}
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var formatMap = map[ptrType]core1_0.Format{
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{types.Float, types.Float, 1, false}: core1_0.FormatR32SignedFloat,
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{types.Float, types.Float, 2, false}: core1_0.FormatR32G32SignedFloat,
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{types.Float, types.Float, 3, false}: core1_0.FormatR32G32B32SignedFloat,
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{types.Float, types.Float, 4, false}: core1_0.FormatR32G32B32A32SignedFloat,
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{types.Int8, types.Int8, 1, false}: core1_0.FormatR8SignedInt,
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{types.Int8, types.Int8, 2, false}: core1_0.FormatR8G8SignedInt,
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{types.Int8, types.Int8, 3, false}: core1_0.FormatR8G8B8SignedInt,
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{types.Int8, types.Int8, 4, false}: core1_0.FormatR8G8B8A8SignedInt,
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{types.Int8, types.Float, 4, true}: core1_0.FormatR8SignedNormalized,
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{types.Int8, types.Float, 2, true}: core1_0.FormatR8G8SignedNormalized,
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{types.Int8, types.Float, 3, true}: core1_0.FormatR8G8B8SignedNormalized,
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{types.Int8, types.Float, 4, true}: core1_0.FormatR8G8B8A8SignedNormalized,
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{types.UInt8, types.UInt8, 1, false}: core1_0.FormatR8UnsignedInt,
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{types.UInt8, types.UInt8, 2, false}: core1_0.FormatR8G8UnsignedInt,
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{types.UInt8, types.UInt8, 3, false}: core1_0.FormatR8G8B8UnsignedInt,
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{types.UInt8, types.UInt8, 4, false}: core1_0.FormatR8G8B8A8UnsignedInt,
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{types.UInt8, types.Float, 1, false}: core1_0.FormatR8UnsignedScaled,
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{types.UInt8, types.Float, 2, false}: core1_0.FormatR8G8UnsignedScaled,
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{types.UInt8, types.Float, 3, false}: core1_0.FormatR8G8B8UnsignedScaled,
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{types.UInt8, types.Float, 4, false}: core1_0.FormatR8G8B8A8UnsignedScaled,
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{types.UInt8, types.Float, 1, true}: core1_0.FormatR8UnsignedNormalized,
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{types.UInt8, types.Float, 2, true}: core1_0.FormatR8G8UnsignedNormalized,
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{types.UInt8, types.Float, 3, true}: core1_0.FormatR8G8B8UnsignedNormalized,
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{types.UInt8, types.Float, 4, true}: core1_0.FormatR8G8B8A8UnsignedNormalized,
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{types.Int16, types.Int16, 1, false}: core1_0.FormatR16SignedInt,
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{types.Int16, types.Int16, 2, false}: core1_0.FormatR16G16SignedInt,
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{types.Int16, types.Int16, 3, false}: core1_0.FormatR16G16B16SignedInt,
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{types.Int16, types.Int16, 4, false}: core1_0.FormatR16G16B16A16SignedInt,
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{types.Int16, types.Float, 4, true}: core1_0.FormatR16SignedNormalized,
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{types.Int16, types.Float, 2, true}: core1_0.FormatR16G16SignedNormalized,
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{types.Int16, types.Float, 3, true}: core1_0.FormatR16G16B16SignedNormalized,
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{types.Int16, types.Float, 4, true}: core1_0.FormatR16G16B16A16SignedNormalized,
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{types.UInt16, types.UInt16, 1, false}: core1_0.FormatR16UnsignedInt,
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{types.UInt16, types.UInt16, 2, false}: core1_0.FormatR16G16UnsignedInt,
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{types.UInt16, types.UInt16, 3, false}: core1_0.FormatR16G16B16UnsignedInt,
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{types.UInt16, types.UInt16, 4, false}: core1_0.FormatR16G16B16A16UnsignedInt,
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{types.UInt16, types.Float, 1, true}: core1_0.FormatR16UnsignedNormalized,
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{types.UInt16, types.Float, 2, true}: core1_0.FormatR16G16UnsignedNormalized,
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{types.UInt16, types.Float, 3, true}: core1_0.FormatR16G16B16UnsignedNormalized,
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{types.UInt16, types.Float, 4, true}: core1_0.FormatR16G16B16A16UnsignedNormalized,
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{types.UInt16, types.Float, 1, false}: core1_0.FormatR16UnsignedScaled,
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{types.UInt16, types.Float, 2, false}: core1_0.FormatR16G16UnsignedScaled,
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{types.UInt16, types.Float, 3, false}: core1_0.FormatR16G16B16UnsignedScaled,
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{types.UInt16, types.Float, 4, false}: core1_0.FormatR16G16B16A16UnsignedScaled,
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{types.Int32, types.Int32, 1, false}: core1_0.FormatR32SignedInt,
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{types.Int32, types.Int32, 2, false}: core1_0.FormatR32G32SignedInt,
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{types.Int32, types.Int32, 3, false}: core1_0.FormatR32G32B32SignedInt,
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{types.Int32, types.Int32, 4, false}: core1_0.FormatR32G32B32A32SignedInt,
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{types.UInt32, types.UInt32, 1, false}: core1_0.FormatR32UnsignedInt,
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{types.UInt32, types.UInt32, 2, false}: core1_0.FormatR32G32UnsignedInt,
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{types.UInt32, types.UInt32, 3, false}: core1_0.FormatR32G32B32UnsignedInt,
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{types.UInt32, types.UInt32, 4, false}: core1_0.FormatR32G32B32A32UnsignedInt,
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}
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func convertFormat(ptr vertex.Pointer) core1_0.Format {
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kind := ptrType{ptr.Source, ptr.Destination, ptr.Elements, ptr.Normalize}
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if fmt, exists := formatMap[kind]; exists {
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return fmt
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}
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panic(fmt.Sprintf("illegal format in pointer %s from %s -> %s x%d (normalize: %t)", ptr.Name, ptr.Source, ptr.Destination, ptr.Elements, ptr.Normalize))
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}
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