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);
}
private void RenderMultiThread(Scene scene, System.Action <int, int> progressCallBackAction)
{
List <ManualResetEvent> eventList = new List <ManualResetEvent>();
int samplerIndex = 0;
int total = m_RenderTarget.width * m_RenderTarget.height;
int finished = 0;
for (int j = 0; j < m_RenderTarget.height; j++)
{
for (int i = 0; i < m_RenderTarget.width; i++)
{
var job = new RenderJob(i, j, m_Samplers[samplerIndex], scene, this);
samplerIndex += 1;
if (samplerIndex >= m_Samplers.Length)
{
samplerIndex = 0;
}
eventList.Add(job.resetEvent);
ThreadPool.QueueUserWorkItem(job.Render);
if (eventList.Count >= Environment.ProcessorCount)
{
WaitRender(eventList);
progressCallBackAction?.Invoke(finished, total);
finished++;
}
}
}
while (eventList.Count > 0)
{
WaitRender(eventList);
progressCallBackAction?.Invoke(finished, total);
finished++;
}
}