protected virtual PathIntegrator CreatePathBuffer(int maxPath, RayEngineScene scene, ImageFilmBase pixelDevice,
IPrimarySpaceSampler sampler, SurfaceSampler ss)
{
var integrator = new PathIntegrator();
integrator.Init(maxPath, scene, pixelDevice, sampler, ss);
return integrator;
}
protected void Init(IIntersectionEngine device, bool lowLatency, IImageFilm pixelDevice, ISampler sampler,
SurfaceSampler ss)
{
this.intersectionDevice = device;
// Sample buffer
var sampleBufferSize = lowLatency ? (this.SAMPLE_BUFFER_SIZE / 4) : this.SAMPLE_BUFFER_SIZE;
this.sampleBuffer = new SampleBuffer(sampleBufferSize);
this.width = sampler.Width;
this.height = sampler.Height;
var rayBufferSize = lowLatency ? (RayBuffer.RayBufferSize / 8) : RayBuffer.RayBufferSize;
this.sampler = sampler;
this._pathRayProcessors = new PathBufferBase[DeviceRenderBufferCount];
this.rayBuffers = new RayBuffer[DeviceRenderBufferCount];
this.pixelDevice = pixelDevice;
for (int i = 0; i < DeviceRenderBufferCount; i++)
{
this.rayBuffers[i] = new RayBuffer(rayBufferSize);
this.rayBuffers[i].UserData = this.threadIndex;
this._pathRayProcessors[i] = this.CreatePathBuffer(this.scene.MaxPaths, this.scene, pixelDevice, sampler, ss);
this._pathRayProcessors[i].ThreadId = this.threadIndex;
}
this.renderThread = null;
}
protected void Init(IIntersectionEngine device, bool lowLatency, ImageFilmBase pixelDevice, IPrimarySpaceSampler sampler,
SurfaceSampler ss)
{
intersectionDevice = device;
// Sample buffer
var sampleBufferSize = lowLatency ? (SAMPLE_BUFFER_SIZE / 4) : SAMPLE_BUFFER_SIZE;
sampleBuffer = new SampleBuffer(sampleBufferSize);
width = sampler.Width;
height = sampler.Height;
var rayBufferSize = lowLatency ? (RayBuffer.RayBufferSize / 8) : RayBuffer.RayBufferSize;
this.sampler = sampler;
_pathRayProcessors = new PathIntegrator[DeviceRenderBufferCount];
rayBuffers = new RayBuffer[DeviceRenderBufferCount];
for (int i = 0; i < DeviceRenderBufferCount; i++)
{
rayBuffers[i] = new RayBuffer(rayBufferSize);
rayBuffers[i].UserData = threadIndex;
_pathRayProcessors[i] = this.CreatePathBuffer(scene.MaxPaths, scene, pixelDevice, sampler, ss);
}
renderThread = null;
}
protected DeviceRenderThreadBase(int index,
IIntersectionEngine device,
RayEngineScene scn,
bool lowLatency,
IImageFilm pixelDevice,
ISampler sampler, SurfaceSampler ss)
: base(index, scn)
{
this.Init(device, lowLatency, pixelDevice, sampler, ss);
}
public NativeRenderThread(int index, CpuBvhIntersectionEngine device, RayEngineScene scn, bool lowLatency, ImageFilm pixelDevice, ISampler sampler, SurfaceSampler ss)
: base(index, scn) {
intersectionDevice = device;
// Allocate buffers
// Sample buffer
var sampleBufferSize = lowLatency ? (SAMPLE_BUFFER_SIZE / 4) : SAMPLE_BUFFER_SIZE;
sampleBuffer = new SampleBuffer(sampleBufferSize);
// Ray buffer (small buffers work well with CPU)
var rayBufferSize = 1024;
this.sampler = sampler;
_pathRayProcessor = new PathBuffer(scn.MaxPaths, scn, pixelDevice, new SamplingContext() { PrimarySpaceSampler = sampler, SurfaceSampler = ss, LightSampler = new LightSampler(scn)});
this.pixelDevice = pixelDevice;
rayBuffer = new RayBuffer(rayBufferSize);
renderThread = null;
}
public VolumePathTracerPath CreateVolumePath(SurfaceSampler ss)
{
return new VolumePathTracerPath() { SurfaceSampler = ss };
}
public PathSamplerBase CreatePath(SurfaceSampler ss)
{
return new PathTracerPath() { SurfaceSampler = ss };
//return new VolumePathTracerPath() { SurfaceSampler = ss};
}
protected abstract PathBufferBase CreatePathBuffer(int maxPath, IRayEngineScene scene, IImageFilm pixelDevice,
ISampler sampler, SurfaceSampler ss);
protected override PathBufferBase CreatePathBuffer(int maxPath, IRayEngineScene scene, IImageFilm pixelDevice, ISampler sampler, SurfaceSampler ss)
{
var pathBuffer = new PPMPathBuffer(context);
pathBuffer.Init(maxPath, (RayEngineScene)scene, pixelDevice, new SamplingContext() { SurfaceSampler = ss, PrimarySpaceSampler = sampler, LightSampler = new LightSampler((RayEngineScene)scene)});
return pathBuffer;
}
public PPMDeviceRenderThread(int index, IIntersectionEngine device, RayEngineScene scn, bool lowLatency, IImageFilm pixelDevice, ISampler sampler, SurfaceSampler ss, PPMContext ctx, IFrameManager frameManager)
: base(index, scn)
{
this.context = ctx;
Init(device, lowLatency, pixelDevice, sampler, ss);
}
