public void render(IDisplay display)
{
this.display = display;
display.imageBegin(imageWidth, imageHeight, 32);
// set members variables
bucketCounter = 0;
// start task
SunflowSharp.Systems.Timer timer = new SunflowSharp.Systems.Timer();
timer.start();
BucketThread[] renderThreads = new BucketThread[scene.getThreads()];
for (int i = 0; i < renderThreads.Length; i++)
{
renderThreads[i] = new BucketThread(this);
renderThreads[i].setPriority(scene.getThreadPriority());
renderThreads[i].start();
}
for (int i = 0; i < renderThreads.Length; i++)
{
try
{
renderThreads[i].join();
}
catch (Exception e)
{
UI.printError(UI.Module.BCKT, "Bucket processing thread {0} of {1} was interrupted", i + 1, renderThreads.Length);
}
finally
{
renderThreads[i].updateStats();
}
}
timer.end();
UI.printInfo(UI.Module.BCKT, "Render time: {0}", timer.ToString());
display.imageEnd();
}
public void render(IDisplay display)
{
this.display = display;
display.imageBegin(imageWidth, imageHeight, 32);
// set members variables
bucketCounter = 0;
// start task
SunflowSharp.Systems.Timer timer = new SunflowSharp.Systems.Timer();
timer.start();
BucketThread[] renderThreads = new BucketThread[scene.getThreads()];
for (int i = 0; i < renderThreads.Length; i++)
{
renderThreads[i] = new BucketThread(this);
renderThreads[i].setPriority(scene.getThreadPriority());
renderThreads[i].start();
}
for (int i = 0; i < renderThreads.Length; i++)
{
try
{
renderThreads[i].join();
}
catch (Exception e)
{
UI.printError(UI.Module.BCKT, "Bucket processing thread {0} of {1} was interrupted", i + 1, renderThreads.Length);
}
}
timer.end();
UI.printInfo(UI.Module.BCKT, "Render time: {0}", timer.ToString());
display.imageEnd();
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
string giEngineType = options.getstring("gi.engine", null);
giEngine = PluginRegistry.giEnginePlugins.createObject(giEngineType);
string caustics = options.getstring("caustics", null);
causticPhotonMap = PluginRegistry.causticPhotonMapPlugins.createObject(caustics);
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
{
numLightSamples += lights[i].getNumSamples();
}
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(options, scene))
{
return(false);
}
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0, options))
{
return(false);
}
t.end();
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", giEngineType == null ? "none" : giEngineType);
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return(true);
}
public void render(IDisplay display)
{
this.display = display;
display.imageBegin(imageWidth, imageHeight, 0);
// create first bucket
SmallBucket b = new SmallBucket();
b.x = b.y = 0;
int s = Math.Max(imageWidth, imageHeight);
b.size = 1;
while (b.size < s)
{
b.size <<= 1;
}
smallBucketQueue = new Queue <SmallBucket>();//PriorityBlockingQueue<SmallBucket>();
smallBucketQueue.Enqueue(b);
UI.taskStart("Progressive Render", 0, imageWidth * imageHeight);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
counter = 0;
counterMax = imageWidth * imageHeight;
SmallBucketThread[] renderThreads = new SmallBucketThread[scene.getThreads()];
for (int i = 0; i < renderThreads.Length; i++)
{
renderThreads[i] = new SmallBucketThread(this);
renderThreads[i].setPriority(scene.getThreadPriority());
renderThreads[i].start();
}
for (int i = 0; i < renderThreads.Length; i++)
{
try
{
renderThreads[i].join();
}
catch (Exception e)
{
UI.printError(UI.Module.IPR, "Thread {0} of {1} was interrupted", i + 1, renderThreads.Length);
}
finally
{
renderThreads[i].updateStats();
}
}
UI.taskStop();
t.end();
UI.printInfo(UI.Module.IPR, "Rendering time: {0}", t.ToString());
display.imageEnd();
}
/**
* Compile the specified code string via Janino. The code must implement a
* build method as described above. The build method is not called on the
* output, it is up the caller to do so.
*
* @param code java code string
* @return a valid SunflowAPI object upon succes, <code>null</code>
* otherwise.
*/
public static SunflowAPI compile(string code)
{
try
{
Timer t = new Timer();
t.start();
SunflowAPI api = null;//(SunflowAPI) ClassBodyEvaluator.createFastClassBodyEvaluator(new Scanner(null, new stringReader(code)), SunflowAPI.class, (ClassLoader) null);
//fixme: the dynamic loading
t.end();
UI.printInfo(UI.Module.API, "Compile time: {0}", t.ToString());
return api;
}
catch (Exception e)
{
UI.printError(UI.Module.API, "{0}", e);
return null;
}
}
public static string tostring(double seconds)
{
Timer t = new Timer();
t.endTime = (long)(seconds * 1e9);
return t.ToString();
}
public static string tostring(long nanos)
{
Timer t = new Timer();
t.endTime = nanos;
return t.ToString();
}
public void init()
{
UI.printInfo(UI.Module.LIGHT, "Balancing caustics photon map ...");
Timer t = new Timer();
t.start();
balance();
t.end();
UI.printInfo(UI.Module.LIGHT, "Caustic photon map:");
UI.printInfo(UI.Module.LIGHT, " * Photons stored: %d", storedPhotons);
UI.printInfo(UI.Module.LIGHT, " * Photons/estimate: %d", gatherNum);
maxRadius = 1.4f * (float)Math.Sqrt(maxPower * gatherNum);
UI.printInfo(UI.Module.LIGHT, " * Estimate radius: %.3f", gatherRadius);
UI.printInfo(UI.Module.LIGHT, " * Maximum radius: %.3f", maxRadius);
UI.printInfo(UI.Module.LIGHT, " * Balancing time: %s", t.ToString());
if (gatherRadius > maxRadius)
gatherRadius = maxRadius;
}
public void init()
{
UI.printInfo(UI.Module.LIGHT, "Balancing global photon map ...");
UI.taskStart("Balancing global photon map", 0, 1);
Timer t = new Timer();
t.start();
balance();
t.end();
UI.taskStop();
UI.printInfo(UI.Module.LIGHT, "Global photon map:");
UI.printInfo(UI.Module.LIGHT, " * Photons stored: %d", storedPhotons);
UI.printInfo(UI.Module.LIGHT, " * Photons/estimate: %d", numGather);
UI.printInfo(UI.Module.LIGHT, " * Estimate radius: %.3f", gatherRadius);
maxRadius = 1.4f * (float)Math.Sqrt(maxPower * numGather);
UI.printInfo(UI.Module.LIGHT, " * Maximum radius: %.3f", maxRadius);
UI.printInfo(UI.Module.LIGHT, " * Balancing time: %s", t.ToString());
if (gatherRadius > maxRadius)
gatherRadius = maxRadius;
t.start();
precomputeRadiance();
t.end();
UI.printInfo(UI.Module.LIGHT, " * Precompute time: %s", t.ToString());
UI.printInfo(UI.Module.LIGHT, " * Radiance photons: %d", storedPhotons);
UI.printInfo(UI.Module.LIGHT, " * Search radius: %.3f", gatherRadius);
}
public void build(PrimitiveList primitives)
{
Timer t = new Timer();
t.start();
this.primitives = primitives;
int n = primitives.getNumPrimitives();
// compute bounds
bounds = primitives.getWorldBounds(null);
// create grid from number of objects
bounds.enlargeUlps();
Vector3 w = bounds.getExtents();
double s = Math.Pow((w.x * w.y * w.z) / n, 1 / 3.0);
nx = MathUtils.clamp((int)((w.x / s) + 0.5), 1, 128);
ny = MathUtils.clamp((int)((w.y / s) + 0.5), 1, 128);
nz = MathUtils.clamp((int)((w.z / s) + 0.5), 1, 128);
voxelwx = w.x / nx;
voxelwy = w.y / ny;
voxelwz = w.z / nz;
invVoxelwx = 1 / voxelwx;
invVoxelwy = 1 / voxelwy;
invVoxelwz = 1 / voxelwz;
UI.printDetailed(UI.Module.ACCEL, "Creating grid: %dx%dx%d ...", nx, ny, nz);
List<int>[] buildCells = new List<int>[nx * ny * nz];
// add all objects into the grid cells they overlap
int[] imin = new int[3];
int[] imax = new int[3];
int numCellsPerObject = 0;
for (int i = 0; i < n; i++)
{
getGridIndex(primitives.getPrimitiveBound(i, 0), primitives.getPrimitiveBound(i, 2), primitives.getPrimitiveBound(i, 4), imin);
getGridIndex(primitives.getPrimitiveBound(i, 1), primitives.getPrimitiveBound(i, 3), primitives.getPrimitiveBound(i, 5), imax);
for (int ix = imin[0]; ix <= imax[0]; ix++)
{
for (int iy = imin[1]; iy <= imax[1]; iy++)
{
for (int iz = imin[2]; iz <= imax[2]; iz++)
{
int idx = ix + (nx * iy) + (nx * ny * iz);
if (buildCells[idx] == null)
buildCells[idx] = new List<int>();
buildCells[idx].Add(i);
numCellsPerObject++;
}
}
}
}
UI.printDetailed(UI.Module.ACCEL, "Building cells ...");
int numEmpty = 0;
int numInFull = 0;
cells = new int[nx * ny * nz][];
//int i = 0;
//foreach (List<int> cell in buildCells)
for (int i = 0; i < buildCells.Length; i++)
{
if (buildCells[i] != null)
{
if (buildCells[i].Count == 0)
{
numEmpty++;
buildCells[i] = null;
}
else
{
cells[i] = buildCells[i].ToArray();
numInFull += buildCells[i].Count;
}
}
else
numEmpty++;
//i++;
}
t.end();
UI.printDetailed(UI.Module.ACCEL, "Uniform grid statistics:");
UI.printDetailed(UI.Module.ACCEL, " * Grid cells: {0}", cells.Length);
UI.printDetailed(UI.Module.ACCEL, " * Used cells: {0}", cells.Length - numEmpty);
UI.printDetailed(UI.Module.ACCEL, " * Empty cells: {0}", numEmpty);
UI.printDetailed(UI.Module.ACCEL, " * Occupancy: {0}", 100.0 * (cells.Length - numEmpty) / cells.Length);
UI.printDetailed(UI.Module.ACCEL, " * Objects/Cell: {0}", (double)numInFull / (double)cells.Length);
UI.printDetailed(UI.Module.ACCEL, " * Objects/Used Cell: {0}", (double)numInFull / (double)(cells.Length - numEmpty));
UI.printDetailed(UI.Module.ACCEL, " * Cells/Object: {0}", (double)numCellsPerObject / (double)n);
UI.printDetailed(UI.Module.ACCEL, " * Build time: {0}", t.ToString());
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
giEngine = GIEngineFactory.create(options);
string caustics = options.getstring("caustics", null);
if (caustics == null || caustics == "none")
{
causticPhotonMap = null;
}
else if (caustics != null && caustics == "kd")
{
causticPhotonMap = new CausticPhotonMap(options);
}
else
{
UI.printWarning(UI.Module.LIGHT, "Unrecognized caustics photon map engine \"{0}\" - ignoring", caustics);
causticPhotonMap = null;
}
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
{
numLightSamples += lights[i].getNumSamples();
}
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(scene))
{
return(false);
}
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0))
{
return(false);
}
t.end();
cacheLookups = 0;
cacheHits = 0;
cacheEmptyEntryMisses = 0;
cacheWrongEntryMisses = 0;
cacheEntryAdditions = 0;
if (_shadingCache != null)
{
// clear shading cache
for (int i = 0; i < _shadingCache.Length; i++)
{
_shadingCache[i] = null;
}
}
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", options.getstring("gi.engine", "none"));
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Shading cache: {0}", _shadingCache == null ? "off" : "on");
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return(true);
}
public bool calculatePhotons(PhotonStore map, string type, int seed)
{
if (map == null)
{
return(true);
}
if (lights.Length == 0)
{
UI.printError(UI.Module.LIGHT, "Unable to trace {0} photons, no lights in scene", type);
return(false);
}
float[] histogram = new float[lights.Length];
histogram[0] = lights[0].getPower();
for (int i = 1; i < lights.Length; i++)
{
histogram[i] = histogram[i - 1] + lights[i].getPower();
}
UI.printInfo(UI.Module.LIGHT, "Tracing %s photons ...", type);
int numEmittedPhotons = map.numEmit();
if (numEmittedPhotons <= 0 || histogram[histogram.Length - 1] <= 0)
{
UI.printError(UI.Module.LIGHT, "Photon mapping enabled, but no {0} photons to emit", type);
return(false);
}
map.prepare(scene.getBounds());
UI.taskStart("Tracing " + type + " photons", 0, numEmittedPhotons);
Thread[] photonThreads = new Thread[scene.getThreads()];
float scale = 1.0f / numEmittedPhotons;
int delta = numEmittedPhotons / photonThreads.Length;
photonCounter = 0;
SunflowSharp.Systems.Timer photonTimer = new SunflowSharp.Systems.Timer();
photonTimer.start();
for (int i = 0; i < photonThreads.Length; i++)
{
int threadID = i;
int start = threadID * delta;
int end = (threadID == (photonThreads.Length - 1)) ? numEmittedPhotons : (threadID + 1) * delta;
photonThreads[i] = new Thread(new ThreadStart(new CalculatePhotons(start, end, this, seed, histogram, scale, map, lockObj).Run));
photonThreads[i].Priority = scene.getThreadPriority();
photonThreads[i].Start();
}
for (int i = 0; i < photonThreads.Length; i++)
{
try
{
photonThreads[i].Join();
}
catch (Exception e)
{
UI.printError(UI.Module.LIGHT, "Photon thread {0} of {1} was interrupted", i + 1, photonThreads.Length);
return(false);
}
}
if (UI.taskCanceled())
{
UI.taskStop(); // shut down task cleanly
return(false);
}
photonTimer.end();
UI.taskStop();
UI.printInfo(UI.Module.LIGHT, "Tracing time for {0} photons: {1}", type, photonTimer.ToString());
map.init();
return(true);
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
giEngine = GIEngineFactory.create(options);
string caustics = options.getstring("caustics", null);
if (caustics == null || caustics == "none")
causticPhotonMap = null;
else if (caustics != null && caustics == "kd")
causticPhotonMap = new CausticPhotonMap(options);
else
{
UI.printWarning(UI.Module.LIGHT, "Unrecognized caustics photon map engine \"{0}\" - ignoring", caustics);
causticPhotonMap = null;
}
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
numLightSamples += lights[i].getNumSamples();
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(scene))
return false;
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0))
return false;
t.end();
cacheLookups = 0;
cacheHits = 0;
cacheEmptyEntryMisses = 0;
cacheWrongEntryMisses = 0;
cacheEntryAdditions = 0;
if (_shadingCache != null)
{
// clear shading cache
for (int i = 0; i < _shadingCache.Length; i++)
_shadingCache[i] = null;
}
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", options.getstring("gi.engine", "none"));
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Shading cache: {0}", _shadingCache == null ? "off" : "on");
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return true;
}
public override bool parse(Stream stream, SunflowAPI api)
{
//string localDir = Path.GetFullPath(filename);
numLightSamples = 1;
Timer timer = new Timer();
timer.start();
UI.printInfo(UI.Module.API, "Parsing stream ...");
try
{
p = new Systems.Parser(stream);
while (true)
{
string token = p.getNextToken();
if (token == null)
break;
if (token == "image")
{
UI.printInfo(UI.Module.API, "Reading image settings ...");
parseImageBlock(api);
}
else if (token == "background")
{
UI.printInfo(UI.Module.API, "Reading background ...");
parseBackgroundBlock(api);
}
else if (token == "accel")
{
UI.printInfo(UI.Module.API, "Reading accelerator type ...");
p.getNextToken();
UI.printWarning(UI.Module.API, "Setting accelerator type is not recommended - ignoring");
}
else if (token == "filter")
{
UI.printInfo(UI.Module.API, "Reading image filter type ...");
parseFilter(api);
}
else if (token == "bucket")
{
UI.printInfo(UI.Module.API, "Reading bucket settings ...");
api.parameter("bucket.size", p.getNextInt());
api.parameter("bucket.order", p.getNextToken());
api.options(SunflowAPI.DEFAULT_OPTIONS);
}
else if (token == "photons")
{
UI.printInfo(UI.Module.API, "Reading photon settings ...");
parsePhotonBlock(api);
}
else if (token == "gi")
{
UI.printInfo(UI.Module.API, "Reading global illumination settings ...");
parseGIBlock(api);
}
else if (token == "lightserver")
{
UI.printInfo(UI.Module.API, "Reading light server settings ...");
parseLightserverBlock(api);
}
else if (token == "trace-depths")
{
UI.printInfo(UI.Module.API, "Reading trace depths ...");
parseTraceBlock(api);
}
else if (token == "camera")
{
parseCamera(api);
}
else if (token == "shader")
{
if (!parseShader(api))
return false;
}
else if (token == "modifier")
{
if (!parseModifier(api))
return false;
}
else if (token == "override")
{
api.parameter("override.shader", p.getNextToken());
api.parameter("override.photons", p.getNextbool());
api.options(SunflowAPI.DEFAULT_OPTIONS);
}
else if (token == "object")
{
parseObjectBlock(api);
}
else if (token == "instance")
{
parseInstanceBlock(api);
}
else if (token == "light")
{
parseLightBlock(api);
}
else if (token == "texturepath")
{
string path = p.getNextToken();
//if (!new File(path).isAbsolute())
// path = localDir + File.separator + path;
api.searchpath("texture", Path.GetFullPath(path));
}
else if (token == "includepath")
{
string path = p.getNextToken();
//if (!new File(path).isAbsolute())
// path = localDir + File.separator + path;
api.searchpath("include", Path.GetFullPath(path));
}
else if (token == "include")
{
string file = p.getNextToken();
UI.printInfo(UI.Module.API, "Including: \"{0}\" ...", file);
api.include(file);
}
else
UI.printWarning(UI.Module.API, "Unrecognized token {0}", token);
}
p.close();
}
catch (Exception e)
{
UI.printError(UI.Module.API, "{0}", e);
return false;
}
timer.end();
UI.printInfo(UI.Module.API, "Done parsing.");
UI.printInfo(UI.Module.API, "Parsing time: {0}", timer.ToString());
return true;
}
public bool calculatePhotons(PhotonStore map, string type, int seed, Options options)
{
if (map == null)
return true;
if (lights.Length == 0)
{
UI.printError(UI.Module.LIGHT, "Unable to trace {0} photons, no lights in scene", type);
return false;
}
float[] histogram = new float[lights.Length];
histogram[0] = lights[0].getPower();
for (int i = 1; i < lights.Length; i++)
histogram[i] = histogram[i - 1] + lights[i].getPower();
UI.printInfo(UI.Module.LIGHT, "Tracing {0} photons ...", type);
map.prepare(options, scene.getBounds());
int numEmittedPhotons = map.numEmit();
if (numEmittedPhotons <= 0 || histogram[histogram.Length - 1] <= 0)
{
UI.printError(UI.Module.LIGHT, "Photon mapping enabled, but no {0} photons to emit", type);
return false;
}
UI.taskStart("Tracing " + type + " photons", 0, numEmittedPhotons);
Thread[] photonThreads = new Thread[scene.getThreads()];
float scale = 1.0f / numEmittedPhotons;
int delta = numEmittedPhotons / photonThreads.Length;
photonCounter = 0;
SunflowSharp.Systems.Timer photonTimer = new SunflowSharp.Systems.Timer();
photonTimer.start();
for (int i = 0; i < photonThreads.Length; i++)
{
int threadID = i;
int start = threadID * delta;
int end = (threadID == (photonThreads.Length - 1)) ? numEmittedPhotons : (threadID + 1) * delta;
photonThreads[i] = new Thread(new ThreadStart(new CalculatePhotons(start, end, this, seed, histogram, scale, map, lockObj).Run));
photonThreads[i].Priority = scene.getThreadPriority();
photonThreads[i].Start();
}
for (int i = 0; i < photonThreads.Length; i++)
{
try
{
photonThreads[i].Join();
}
catch (Exception e)
{
UI.printError(UI.Module.LIGHT, "Photon thread {0} of {1} was interrupted", i + 1, photonThreads.Length);
return false;
}
}
if (UI.taskCanceled())
{
UI.taskStop(); // shut down task cleanly
return false;
}
photonTimer.end();
UI.taskStop();
UI.printInfo(UI.Module.LIGHT, "Tracing time for {0} photons: {1}", type, photonTimer.ToString());
map.init();
return true;
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
string giEngineType = options.getstring("gi.engine", null);
giEngine = PluginRegistry.giEnginePlugins.createObject(giEngineType);
string caustics = options.getstring("caustics", null);
causticPhotonMap = PluginRegistry.causticPhotonMapPlugins.createObject(caustics);
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
numLightSamples += lights[i].getNumSamples();
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(options, scene))
return false;
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0, options))
return false;
t.end();
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", giEngineType == null ? "none" : giEngineType);
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return true;
}
/**
* Create an API object from the specified file. Java files are read by
* Janino and are expected to implement a build method (they implement a
* derived class of SunflowAPI. The build method is called if the code
* compiles succesfully. Other files types are handled by the parse method.
*
* @param filename filename to load
* @return a valid SunflowAPI object or <code>null</code> on failure
*/
public static SunflowAPI create(string filename, int frameNumber)
{
if (filename == null)
return new SunflowAPI();
SunflowAPI api = null;
if (filename.EndsWith(".java"))
{
Timer t = new Timer();
UI.printInfo(UI.Module.API, "Compiling \"" + filename + "\" ...");
t.start();
try
{
//FileInputStream stream = new FileInputStream(filename);
api = null;//(SunflowAPI) ClassBodyEvaluator.createFastClassBodyEvaluator(new Scanner(filename, stream), SunflowAPI.class, ClassLoader.getSystemClassLoader());
//fixme: the dynamic loading
//stream.close();
}
catch (Exception e)
{
UI.printError(UI.Module.API, "Could not compile: \"{0}\"", filename);
UI.printError(UI.Module.API, "{0}", e);
return null;
}
t.end();
UI.printInfo(UI.Module.API, "Compile time: " + t.ToString());
if (api != null)
{
string currentFolder = Path.GetDirectoryName(filename);//new File(filename).getAbsoluteFile().getParentFile().getAbsolutePath();
api.includeSearchPath.addSearchPath(currentFolder);
api.textureSearchPath.addSearchPath(currentFolder);
}
UI.printInfo(UI.Module.API, "Build script running ...");
t.start();
api.currentFrame = frameNumber;
api.build();
t.end();
UI.printInfo(UI.Module.API, "Build script time: {0}", t.ToString());
}
else
{
api = new SunflowAPI();
api = api.include(filename) ? api : null;
}
return api;
}
