86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
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package pass
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import (
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"zworld/engine/object/light"
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"zworld/engine/object/mesh"
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"zworld/engine/render/uniform"
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"zworld/engine/renderapi/cache"
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"zworld/engine/renderapi/command"
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"zworld/engine/renderapi/descriptor"
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"zworld/engine/renderapi/material"
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)
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type ForwardDescriptors struct {
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descriptor.Set
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Camera *descriptor.Uniform[uniform.Camera]
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Objects *descriptor.Storage[uniform.Object]
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Lights *descriptor.Storage[uniform.Light]
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Textures *descriptor.SamplerArray
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}
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type ForwardMaterial struct {
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Instance *material.Instance[*ForwardDescriptors]
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Objects *ObjectBuffer
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Lights *LightBuffer
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Shadows *ShadowCache
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Textures cache.SamplerCache
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Meshes cache.MeshCache
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id material.ID
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}
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func (m *ForwardMaterial) ID() material.ID {
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return m.id
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}
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func (m *ForwardMaterial) Begin(camera uniform.Camera, lights []light.T) {
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m.Instance.Descriptors().Camera.Set(camera)
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// multiple calls to this reset in a single frame will cause weird behaviour
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// we need to split this function somehow in order to be able to do depth sorting etc
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m.Objects.Reset()
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if len(lights) > 0 {
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// how to get ambient light info?
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m.Lights.Reset()
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for _, lit := range lights {
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m.Lights.Store(lit.LightData(m.Shadows))
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}
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m.Lights.Flush(m.Instance.Descriptors().Lights)
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}
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}
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func (m *ForwardMaterial) Bind(cmds command.Recorder) {
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cmds.Record(func(cmd command.Buffer) {
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m.Instance.Bind(cmd)
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})
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}
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func (m *ForwardMaterial) End() {
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m.Objects.Flush(m.Instance.Descriptors().Objects)
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m.Textures.Flush()
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}
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func (m *ForwardMaterial) Draw(cmds command.Recorder, msh mesh.Mesh) {
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vkmesh, meshReady := m.Meshes.TryFetch(msh.Mesh().Get())
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if !meshReady {
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return
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}
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textures := m.Instance.Material().TextureSlots()
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textureIds := AssignMeshTextures(m.Textures, msh, textures)
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index := m.Objects.Store(uniform.Object{
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Model: msh.Transform().Matrix(),
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Textures: textureIds,
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})
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cmds.Record(func(cmd command.Buffer) {
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vkmesh.Draw(cmd, index)
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})
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}
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func (m *ForwardMaterial) Destroy() {
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m.Instance.Material().Destroy()
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}
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