Add support for multi-threaded CPU particles simulation

2021-06-15 23:48:00 +02:00
parent 2a73d18d14
commit d2d8a83461
11 changed files with 245 additions and 313 deletions
--- a/Source/Engine/Particles/ParticleEmitterFunction.cpp
+++ b/Source/Engine/Particles/ParticleEmitterFunction.cpp
@@ -24,6 +24,14 @@ Asset::LoadResult ParticleEmitterFunction::load()
    MemoryReadStream stream(surfaceChunk->Get(), surfaceChunk->Size());
    if (Graph.Load(&stream, false))
        return LoadResult::Failed;
+    for (int32 i = 0; i < Graph.Nodes.Count(); i++)
+    {
+        // Initialize all used nodes (starting from function output as roots)
+        if (Graph.Nodes[i].Type == GRAPH_NODE_MAKE_TYPE(16, 2))
+        {
+            Graph.InitializeNode(&Graph.Nodes[i]);
+        }
+    }
 #if COMPILE_WITH_PARTICLE_GPU_GRAPH
    stream.SetPosition(0);
    if (GraphGPU.Load(&stream, false))