private void btnReinit_Click(object sender, EventArgs e)
{
if (sw != null)
{
sw.Stop();
}
ComponentPipeline.Instance.Session.ReCreate();
Context = ComponentPipeline.Instance.Session.OptixContext;
this.OutputBuffer = CreateOutputBuffer(Format.Float4, this.GlControl.Size.Width, this.GlControl.Size.Height);
Controller.InitializeEngine(OutputBuffer);
SetCamera(ComponentPipeline.Instance.Session.Frame.CurrentCamera);
RaysTracedPerFrame = ComponentPipeline.Instance.RenderingEngine.RaysTracedPerFrame;
sw = Stopwatch.StartNew();
mFrame = 0;
}
private void Initialize()
{
Context = ComponentPipeline.Instance.Session.OptixContext;
this.OutputBuffer = CreateOutputBuffer(Format.Float4, this.GlControl.Size.Width, this.GlControl.Size.Height);
Controller.InitializeEngine(OutputBuffer);
SetCamera(ComponentPipeline.Instance.Session.Frame.CurrentCamera);
RaysTracedPerFrame = ComponentPipeline.Instance.RenderingEngine.RaysTracedPerFrame;
sw = Stopwatch.StartNew();
ComponentPipeline.Instance.RenderingEngine.SetCommands(ref Commands);
}
private void BuildLights(SceneLightsource[] sceneLights)
{
var lightInfos = new List<LightInfo>();
foreach (var sceneLightsource in sceneLights)
{
var lightInfo = sceneLightsource.CreateInfo();
if (lightInfo.type == 5)
{
EnvMapPath = sceneLightsource.Get("EnvMap.Image", string.Empty);
}
if (lightInfo.type != 2)
{
lightInfos.Add(lightInfo);
}
else
{
var li = ((Dictionary<string, List<int>>)BuildCache["LightTrianglesIndexes"])[((SceneMeshEntity)sceneLightsource["AreaLight.Mesh"]).Name];
lightInfos.Add(new LightInfo()
{
type = 2,
emission = sceneLightsource.Color,
startTriangle = li.Min(),
endTriangle = li.Max(),
});
}
}
var triangleInfos = ((List<TriangleLight>)BuildCache["LightTriangles"]).Select(tr => new LightTriangleInfo()
{
v0 = tr.v1,
v1 = tr.v2,
v2 = tr.v3,
n = tr.normal,
area = CalcTriangleArea(tr)
}).ToList();
//TODO Index from 1!!! First triangle is fake
triangleInfos.Insert(0, new LightTriangleInfo()
{
area = 1,
n = new Vector3(1, 1, 1),
v1 = new Vector3(100, 100, 100),
v2 = new Vector3(101, 101, 101),
v0 = new Vector3(102, 102, 102),
});
var triBufferDesc = new BufferDesc
{
Width = (uint)triangleInfos.Count,
Format = Format.User,
Type = BufferType.Input,
ElemSize = (uint)Marshal.SizeOf(typeof(LightTriangleInfo))
};
var triangleBuffer = new Buffer(Session.OptixContext, triBufferDesc);
var stream = triangleBuffer.Map();
stream.WriteRange(triangleInfos.ToArray());
triangleBuffer.Unmap();
if (!string.IsNullOrWhiteSpace(EnvMapPath))
{
Tracer.Print("BuildLights", "Loading environment map " + EnvMapPath);
var sceneEnvMapPath = EnvMapPath;
var envmap = TextureCache.Instance.Load(Session.OptixContext, sceneEnvMapPath); //KC_outside_hi.hdr
var id = envmap.GetId();
Session.OptixContext["envmapId"].Set((uint)id);
Session.OptixContext["use_envmap"].Set(1);
var elt = lightInfos.Find(lt => lt.type == 5);
var index = lightInfos.IndexOf(elt);
lightInfos[index] = new LightInfo
{
type = 5,
samplerId = id,
emission = elt.emission
};
}
else
{
Session.OptixContext["use_envmap"].Set(0);
}
var ltBufferDesc = new BufferDesc
{
Width = (uint)lightInfos.Count,
Format = Format.User,
Type = BufferType.Input,
ElemSize = (uint)Marshal.SizeOf(typeof(LightInfo))
};
var lightBuffer = new OptixDotNet.Buffer(Session.OptixContext, ltBufferDesc);
var ltStream = lightBuffer.Map();
//LightsCount.LValue += lts.Count;
foreach (var lightinfo in lightInfos)
{
ltStream.Write(lightinfo);
}
lightBuffer.Unmap();
Session.Frame.LightTrianglesBuffer = triangleBuffer;
Session.Frame.LightBuffer = lightBuffer;
}
