public BvhAccelHelper(RayEngineScene scn) {
this.da = new BvhDataAdapter(scn);
this.bvhData = this.da.BuildData().ToArray();
int leafc = this.bvhData.Count(i => i.primitive != RayBuffer.NotHit);
int branches = this.bvhData.Length - leafc;
Tracer.TraceLine("Leafs {0} Branches {1}", leafc, branches);
}
public MegarayIntersectionDevice(RayEngineScene scene, NVContext ctx)
{
this.scene = scene;
wallclock = new Stopwatch();
this.todoRayBuffers = new InputRayBufferCollection<RayBuffer>();
this.doneRayBuffers = new OutputRayBufferCollection<RayBuffer>();
this.started = false;
if (ctx != null)
{
this.cudaContext = ctx;
}
else
{
this.cudaContext = new NVContext() { Context = new CudaContext(CudaContext.GetMaxGflopsDeviceId()) };
}
using (var sr = new StreamReader(@"H:\Git\RayDen\CudaMegaRay\x64\Release\MegarayKernels.cu.ptx"))
{
intersectKernel = cudaContext.Context.LoadKernelPTX(sr.BaseStream, "Intersect");
}
this.rays = new CudaDeviceVariable<RayRecord>(RayBuffer.RayBufferSize);
this.hits = new CudaDeviceVariable<RayHit>(RayBuffer.RayBufferSize);
verts = scene.Vertices.ToArray();
tris=scene.Triangles.Select(i => i.GetInfo()).ToArray();
if (GlobalConfiguration.Instance.UseSceneCaching && scene.Cache != null)
{
bvh = scene.Cache.BvhData;
nodesCount = scene.Cache.BvhData.Length;
}
else
{
var da = new BvhDataAdapter(scene);
var treeData = da.BuildData();
bvh = treeData;
nodesCount = treeData.Length;
}
Tracer.TraceLine("BVH Data Size {0:F3} MBytes", (nodesCount * 32f) / (1024f * 1024f));
}
public void SetScene(IRayEngineScene scn)
{
Tracer.TraceLine("Setting scene");
this.scene = (RayEngineScene)scn;
verts = scene.Vertices.ToArray();
tris = scene.Triangles.Select(i => i.GetInfo()).ToArray();
if (GlobalConfiguration.Instance.UseSceneCaching && scene.Cache != null)
{
bvh = scene.Cache.BvhData;
nodesCount = scene.Cache.BvhData.Length;
}
else
{
var da = new BvhDataAdapter(scene);
var treeData = da.BuildData();
bvh = treeData;
nodesCount = treeData.Length;
}
}
