protected override IRenderResult OnRenderDebugSinglePixel(int x, int y, RenderConfig config)
{
CameraBase camera = m_Scene.camera;
if (camera == null)
{
throw new System.ArgumentNullException();
}
Texture result = new Texture(config.width, config.height);
result.Fill(Color.black);
var sampler = SamplerFactory.Create(config.samplerType, config.numSamples, config.numSets);
camera.SetRenderTarget(result);
Color col = Color.black;
sampler.ResetSampler(); //重置采样器状态
while (sampler.NextSample())
{
Ray ray = m_Scene.camera.GetRay(x, y, sampler);
col += this.PathTracing(ray, sampler);
}
col /= sampler.numSamples;
col.a = 1.0f;
result.SetPixel(x, y, col);
return(result);
}
protected override IRenderResult OnRender(RenderConfig config, RenderJobCallBackDelegate progressCallBackAction)
{
CameraBase camera = m_Scene.camera;
if (camera == null)
{
throw new System.ArgumentNullException();
}
Texture result = new Texture(config.width, config.height);
camera.SetRenderTarget(result);
RenderJob <PathTracerRenderJobResult, PathTracer> job = new RenderJob <PathTracerRenderJobResult, PathTracer>(config, m_Scene, this);
for (int j = 0; j < camera.renderTarget.height; j += 32)
{
for (int i = 0; i < camera.renderTarget.width; i += 32)
{
job.AddWork(new PathTracerRenderWork(i, j, (int)config.width, (int)config.height));
}
}
job.Render(camera.renderTarget, progressCallBackAction);
return(result);
}
public Job(RenderConfig config, Scene scene, W renderer, ConcurrentQueue <IRenderWork <T, W> > works, ConcurrentQueue <T> results, ManualResetEvent resetEvent)
{
m_Works = works;
m_Results = results;
m_ResetEvent = resetEvent;
m_Scene = scene;
m_Renderer = renderer;
m_Sampler = SamplerFactory.Create(config.samplerType, config.numSamples, config.numSets);
}
public RenderJob(RenderConfig config, Scene scene, W renderer)
{
m_Works = new ConcurrentQueue <IRenderWork <T, W> >();
m_Results = new ConcurrentQueue <T>();
m_Jobs = new Job[Environment.ProcessorCount];
m_ResetEvent = new ManualResetEvent(false);
for (int i = 0; i < m_Jobs.Length; i++)
{
m_Jobs[i] = new Job(config, scene, renderer, m_Works, m_Results, m_ResetEvent);
}
}
public IRenderResult RenderDebugSinglePixel(int x, int y, RenderConfig config)
{
if (m_Scene == null)
{
throw new System.ArgumentNullException();
}
this.tracingTimes = config.traceTimes;
this.isDebugging = true;
try
{
return(OnRenderDebugSinglePixel(x, y, config));
}
catch (System.Exception e)
{
Log.Err(e.Message);
Log.Err(e.StackTrace);
}
return(null);
}
public IRenderResult Render(RenderConfig config, RenderJobCallBackDelegate progressCallBackAction = null)
{
if (m_Scene == null)
{
throw new System.ArgumentNullException();
}
this.tracingTimes = config.traceTimes;
#if DEBUG
this.isDebugging = false;
#endif
try
{
return(OnRender(config, progressCallBackAction));
}
catch (System.Exception e)
{
Log.Err(e.Message);
Log.Err(e.StackTrace);
}
return(null);
}
public bool Execute(RenderJobCallBackDelegate progressCallBackAction = null)
{
if (string.IsNullOrEmpty(scenePath))
{
return(false);
}
if (File.Exists(scenePath) == false)
{
return(false);
}
if (string.IsNullOrEmpty(outputPath))
{
return(false);
}
FileInfo outputFileInfo = new FileInfo(outputPath);
if (outputFileInfo.Directory == null)
{
return(false);
}
if (bounceTimes <= 0)
{
return(false);
}
if (numSamples <= 0)
{
return(false);
}
if (width <= 0 || height <= 0)
{
return(false);
}
var scene = Scene.Create(scenePath);
var pt = new PathTracer(scene);
RenderConfig config = new RenderConfig()
{
traceTimes = bounceTimes,
samplerType = samplerType,
numSamples = numSamples,
numSets = 83,
width = (uint)width,
height = (uint)height,
};
var tex = pt.Render(config, progressCallBackAction);
if (outputFileInfo.Directory.Exists)
{
outputFileInfo.Directory.Create();
}
if (saveHDR)
{
tex.Save(Path.Combine(outputFileInfo.FullName, ".hdr"));
//tex.SaveToHDR(Path.Combine(outputFileInfo.FullName, ".hdr"));
}
else
{
//var bitmap = tex.TransferToBMP(null, 0.45f, tonemapping ? exposure : -1.0f);
//FileStream stream = new FileStream(outputFileInfo.FullName, FileMode.Create, FileAccess.Write);
//bitmap.Save(stream, ImageFormat.Bmp);
//stream.Close();
//bitmap.Dispose();
tex.Save(outputFileInfo.FullName);
}
return(true);
}
protected abstract IRenderResult OnRenderDebugSinglePixel(int x, int y, RenderConfig config);
protected abstract IRenderResult OnRender(RenderConfig config, RenderJobCallBackDelegate progressCallBackAction);