51 lines
968 B
Go
51 lines
968 B
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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"github.com/vkngwrapper/core/v2/core1_0"
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)
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type Mesh interface {
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Draw(command.Buffer, int)
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DrawInstanced(buf command.Buffer, startIndex, coount int)
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Destroy()
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}
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type vkMesh struct {
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key string
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elements int
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idxType core1_0.IndexType
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vertices buffer.T
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indices buffer.T
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}
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func (m *vkMesh) Draw(cmd command.Buffer, index int) {
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m.DrawInstanced(cmd, index, 1)
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}
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func (m *vkMesh) DrawInstanced(cmd command.Buffer, startIndex, count int) {
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if m.elements <= 0 {
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// nothing to draw
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return
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}
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cmd.CmdBindVertexBuffer(m.vertices, 0)
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cmd.CmdBindIndexBuffers(m.indices, 0, m.idxType)
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// index of the object properties in the ssbo
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cmd.CmdDrawIndexed(m.elements, count, 0, 0, startIndex)
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}
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func (m *vkMesh) Destroy() {
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if m.vertices != nil {
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m.vertices.Destroy()
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m.vertices = nil
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}
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if m.indices != nil {
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m.indices.Destroy()
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m.indices = nil
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}
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}
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