92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
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package cache
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import (
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"zworld/engine/renderapi/buffer"
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"zworld/engine/renderapi/command"
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"zworld/engine/renderapi/device"
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"zworld/engine/renderapi/vertex"
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"github.com/vkngwrapper/core/v2/core1_0"
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)
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type MeshCache T[vertex.Mesh, Mesh]
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type meshes struct {
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device device.T
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worker command.Worker
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}
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func NewMeshCache(device device.T, worker command.Worker) MeshCache {
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return New[vertex.Mesh, Mesh](&meshes{
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device: device,
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worker: worker,
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})
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}
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func (m *meshes) Instantiate(mesh vertex.Mesh, callback func(Mesh)) {
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var cached *vkMesh
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var vtxStage, idxStage buffer.T
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var idxType core1_0.IndexType
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switch mesh.IndexSize() {
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case 2:
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idxType = core1_0.IndexTypeUInt16
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case 4:
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idxType = core1_0.IndexTypeUInt32
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default:
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panic("illegal index type")
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}
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cached = &vkMesh{
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key: mesh.Key(),
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elements: mesh.IndexCount(),
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idxType: idxType,
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}
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if cached.elements == 0 {
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// special case for empty meshes
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callback(cached)
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return
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}
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m.worker.Queue(func(cmd command.Buffer) {
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vtxSize := mesh.VertexSize() * mesh.VertexCount()
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vtxStage = buffer.NewShared(m.device, "staging:vertex", vtxSize)
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idxSize := mesh.IndexSize() * mesh.IndexCount()
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idxStage = buffer.NewShared(m.device, "staging:index", idxSize)
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vtxStage.Write(0, mesh.VertexData())
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vtxStage.Flush()
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idxStage.Write(0, mesh.IndexData())
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idxStage.Flush()
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// allocate buffers
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cached.vertices = buffer.NewRemote(m.device, mesh.Key()+":vertex", vtxSize, core1_0.BufferUsageVertexBuffer)
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cached.indices = buffer.NewRemote(m.device, mesh.Key()+":index", idxSize, core1_0.BufferUsageIndexBuffer)
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cmd.CmdCopyBuffer(vtxStage, cached.vertices, core1_0.BufferCopy{
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Size: vtxSize,
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})
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cmd.CmdCopyBuffer(idxStage, cached.indices, core1_0.BufferCopy{
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Size: idxSize,
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})
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})
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m.worker.Submit(command.SubmitInfo{
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Marker: "MeshCache",
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Callback: func() {
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vtxStage.Destroy()
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idxStage.Destroy()
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callback(cached)
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},
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})
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}
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func (m *meshes) Delete(mesh Mesh) {
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mesh.Destroy()
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}
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func (m *meshes) Destroy() {}
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func (m *meshes) Name() string { return "MeshCache" }
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func (m *meshes) String() string { return "MeshCache" }
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