public OptixIntersectionDevice(IRayEngineScene scene, bool lowLatency = false) : base(scene)
{
this.lowLatency = lowLatency;
Context = new Context { CpuNumThreads = 4, RayTypeCount = 1, EntryPointCount = 1 };
var rayBufferDesc = new BufferDesc()
{
Format = Format.User,
Width = (uint)(lowLatency ? RayBuffer.RayBufferSize / 8 : RayBuffer.RayBufferSize),
Type = BufferType.InputOutput,
ElemSize = (uint)Marshal.SizeOf(typeof(RayData))
};
var rayHitBufferDesc = new BufferDesc()
{
Format = Format.User,
Width = (uint)(lowLatency ? RayBuffer.RayBufferSize / 8 : RayBuffer.RayBufferSize),
Type = BufferType.InputOutput,
ElemSize = (uint)Marshal.SizeOf(typeof(RayHit))
};
this.todoRayBuffers = new InputRayBufferCollection();
this.doneRayBuffers = new OutputRayBufferCollection();
this.started = false;
Rays = new DeviceBuffer(Context, rayBufferDesc);
RayHits = new DeviceBuffer(Context, rayHitBufferDesc);
Context["rayHits"].Set(RayHits);
Context["rays"].Set(Rays);
Builder = AccelBuilder.TriangleKdTree;
Traverser = AccelTraverser.KdTree;
GeoGroup = new GeometryGroup(Context);
this.SetScene(scene);
}
internal Acceleration(Context ctx, IntPtr acc) : base(ctx)
{
InternalPtr = acc;
CheckError(Api.rtAccelerationGetBuilder(InternalPtr, out var builderStr));
mBuilder = (AccelBuilder)Enum.Parse(mBuilder.GetType(), builderStr);
CheckError(Api.rtAccelerationGetTraverser(InternalPtr, out var traverseStr));
mTraverser = (AccelTraverser)Enum.Parse(mTraverser.GetType(), traverseStr);
}
public Acceleration(Context context, AccelBuilder mBuilder, AccelTraverser mTraverser) : base(context)
{
CheckError(Api.rtAccelerationCreate(context.InternalPtr, ref InternalPtr));
gch = GCHandle.Alloc(InternalPtr, GCHandleType.Pinned);
Builder = mBuilder;
Traverser = mTraverser;
MarkAsDirty();
}
public OptixOBJLoader(string filename, Context context, GeometryGroup geoGroup, Material material)
: base(filename)
{
Context = context;
GeoGroup = geoGroup;
Material = material;
Builder = AccelBuilder.Sbvh;
Traverser = AccelTraverser.Bvh;
}
public OptixOBJLoader(string filename, Context context, GeometryGroup geoGroup, Material defaultMaterial, Func <string, Material> materialResolveFunc)
: base(filename)
{
_materialResolveFunc = materialResolveFunc;
Context = context;
GeoGroup = geoGroup;
DefaultMaterial = defaultMaterial;
Builder = AccelBuilder.Sbvh;
Traverser = AccelTraverser.Bvh;
}
