1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import Qt3D.Core 2.14
import Qt3D.Render 2.14
Viewport {
property alias camera: selector.camera
RenderSurfaceSelector {
id: surfaceSelector
// Clear Buffer
ClearBuffers {
buffers: ClearBuffers.ColorDepthBuffer
NoDraw {}
}
// Compute Pass
DispatchCompute {
// 1024 x 1024 particles
// We will launch 1024 local workgroup that will work
// on 1024 particles each
workGroupX: 1024; workGroupY: 1; workGroupZ: 1
TechniqueFilter {
matchAll: [
FilterKey { name: "type"; value: "compute"}
]
}
}
// Draw particles from buffer computed in the Compute Pass
CameraSelector {
id: selector
TechniqueFilter {
MemoryBarrier { waitFor: MemoryBarrier.VertexAttributeArray }
matchAll: [
FilterKey { name: "type"; value: "draw"}
]
}
}
}
}
|
