private void build()
{
lock (lockObj)
{
// double check flag
if (builtAccel != 0)
{
return;
}
if (primitives != null)
{
int n = primitives.getNumPrimitives();
if (n >= 1000)
{
UI.printInfo(UI.Module.GEOM, "Building acceleration structure for {0} primitives ...", n);
}
accel = AccelerationStructureFactory.create(acceltype, n, true);
accel.build(primitives);
}
else
{
// create an empty accelerator to avoid having to check for null
// pointers in the intersect method
accel = new NullAccelerator();
}
builtAccel = 1;
}
}
/**
* Create a geometry from the specified primitive aggregate. The
* acceleration structure for this object will be built on demand.
*
* @param primitives primitive list object
*/
public Geometry(PrimitiveList primitives)
{
tesselatable = null;
this.primitives = primitives;
accel = null;
builtAccel = 0;
builtTess = 1; // already tesselated
}
/**
* Create a geometry from the specified primitive aggregate. The
* acceleration structure for this object will be built on demand.
*
* @param primitives primitive list object
*/
public Geometry(PrimitiveList primitives)
{
tesselatable = null;
this.primitives = primitives;
accel = null;
builtAccel = 0;
builtTess = 1; // already tesselated
}
/**
* Create a geometry from the specified tesselatable object. The actual
* renderable primitives will be generated on demand.
*
* @param tesselatable tesselation object
*/
public Geometry(ITesselatable tesselatable)
{
this.tesselatable = tesselatable;
primitives = null;
accel = null;
builtAccel = 0;
builtTess = 0;
acceltype = null;
}
/**
* Create a geometry from the specified tesselatable object. The actual
* renderable primitives will be generated on demand.
*
* @param tesselatable tesselation object
*/
public Geometry(ITesselatable tesselatable)
{
this.tesselatable = tesselatable;
primitives = null;
accel = null;
builtAccel = 0;
builtTess = 0;
acceltype = null;
}
public static AccelerationStructure create(string name, int n, bool primitives)
{
if (name == null || name == "auto")
{
if (primitives)
{
if (n > 20000000)
{
name = "uniformgrid";
}
else if (n > 2000000)
{
name = "bih";
}
else if (n > 2)
{
name = "kdtree";
}
else
{
name = "null";
}
}
else
{
if (n > 2)
{
name = "bih";
}
else
{
name = "null";
}
}
}
AccelerationStructure accel = PluginRegistry.accelPlugins.createObject(name);
if (accel == null)
{
UI.printWarning(UI.Module.ACCEL, "Unrecognized intersection accelerator \"{0}\" - using auto", name);
return(create(null, n, primitives));
}
if (name != "null")
{
UI.printInfo(UI.Module.ACCEL, "Building {0} acceleration structure...", name);
}
return(accel);
}
public bool Update(ParameterList pl, SunflowAPI api)
{
acceltype = pl.getstring("accel", acceltype);
// clear up old tesselation if it exists
if (tesselatable != null)
{
primitives = null;
builtTess = 0;
}
// clear acceleration structure so it will be rebuilt
accel = null;
builtAccel = 0;
if (tesselatable != null)
{
return(tesselatable.Update(pl, api));
}
// update primitives
return(primitives.Update(pl, api));
}
/**
* Creates an empty scene.
*/
public Scene()
{
lightServer = new LightServer(this);
instanceList = new InstanceList();
infiniteInstanceList = new InstanceList();
acceltype = "auto";
bakingViewDependent = false;
bakingInstance = null;
bakingPrimitives = null;
bakingAccel = null;
camera = null;
imageWidth = 640;
imageHeight = 480;
threads = 0;
lowPriority = true;
rebuildAccel = true;
}
/**
* Creates an empty scene.
*/
public Scene()
{
lightServer = new LightServer(this);
instanceList = new InstanceList();
infiniteInstanceList = new InstanceList();
acceltype = "auto";
bakingViewDependent = false;
bakingInstance = null;
bakingPrimitives = null;
bakingAccel = null;
camera = null;
imageWidth = 640;
imageHeight = 480;
threads = 0;
lowPriority = true;
rebuildAccel = true;
}
private void build()
{
lock (lockObj)
{
// double check flag
if (builtAccel != 0)
return;
if (primitives != null)
{
int n = primitives.getNumPrimitives();
if (n >= 1000)
UI.printInfo(UI.Module.GEOM, "Building acceleration structure for {0} primitives ...", n);
accel = AccelerationStructureFactory.create(acceltype, n, true);
accel.build(primitives);
}
else
{
// create an empty accelerator to avoid having to check for null
// pointers in the intersect method
accel = new NullAccelerator();
}
builtAccel = 1;
}
}
public bool update(ParameterList pl, SunflowAPI api)
{
acceltype = pl.getstring("accel", acceltype);
// clear up old tesselation if it exists
if (tesselatable != null)
{
primitives = null;
builtTess = 0;
}
// clear acceleration structure so it will be rebuilt
accel = null;
builtAccel = 0;
if (tesselatable != null)
return tesselatable.update(pl, api);
// update primitives
return primitives.update(pl, api);
}
/// <summary> Intersect the <see cref="Scene"/> with a <paramref name="ray"/> </summary>
/// <param name="ray">The <see cref="Ray"/> to intersect the <see cref="Scene"/> with</param>
/// <returns>Whether the <paramref name="ray"/> intersects something in the <see cref="Scene"/></returns>
public bool IntersectBool(Ray ray)
{
return(AccelerationStructure.IntersectBool(ray));
}
/// <summary> Intersect the <see cref="Scene"/> with a <paramref name="ray"/> </summary>
/// <param name="ray">The <see cref="Ray"/> to intersect the <see cref="Scene"/> with</param>
/// <returns>The <see cref="Intersection"/> if there is any</returns>
public Intersection?Intersect(Ray ray)
{
return(AccelerationStructure.Intersect(ray));
}
/**
* Render the scene using the specified options, image sampler and display.
*
* @param options rendering options object
* @param sampler image sampler
* @param display display to send the image to, a default display will
* be created if <code>null</code>
*/
public void render(Options options, ImageSampler sampler, IDisplay display)
{
if (display == null)
display = null;// new FrameDisplay();
if (bakingInstance != null)
{
UI.printDetailed(UI.Module.SCENE, "Creating primitives for lightmapping ...");
bakingPrimitives = bakingInstance.getBakingPrimitives();
if (bakingPrimitives == null)
{
UI.printError(UI.Module.SCENE, "Lightmap baking is not supported for the given instance.");
return;
}
int n = bakingPrimitives.getNumPrimitives();
UI.printInfo(UI.Module.SCENE, "Building acceleration structure for lightmapping ({0} num primitives) ...", n);
bakingAccel = AccelerationStructureFactory.create("auto", n, true);
bakingAccel.build(bakingPrimitives);
}
else
{
bakingPrimitives = null;
bakingAccel = null;
}
bakingViewDependent = options.getbool("baking.viewdep", bakingViewDependent);
if ((bakingInstance != null && bakingViewDependent && camera == null) || (bakingInstance == null && camera == null))
{
UI.printError(UI.Module.SCENE, "No camera found");
return;
}
// read from options
threads = options.getInt("threads", 0);
lowPriority = options.getbool("threads.lowPriority", true);
imageWidth = options.getInt("resolutionX", 640);
imageHeight = options.getInt("resolutionY", 480);
// limit resolution to 16k
imageWidth = MathUtils.clamp(imageWidth, 1, 1 << 14);
imageHeight = MathUtils.clamp(imageHeight, 1, 1 << 14);
// get acceleration structure info
// count scene primitives
long numPrimitives = 0;
for (int i = 0; i < instanceList.getNumPrimitives(); i++)
numPrimitives += instanceList.getNumPrimitives(i);
UI.printInfo(UI.Module.SCENE, "Scene stats:");
UI.printInfo(UI.Module.SCENE, " * Infinite instances: {0}", infiniteInstanceList.getNumPrimitives());
UI.printInfo(UI.Module.SCENE, " * Instances: {0}", instanceList.getNumPrimitives());
UI.printInfo(UI.Module.SCENE, " * Primitives: {0}", numPrimitives);
string accelName = options.getstring("accel", null);
if (accelName != null)
{
rebuildAccel = rebuildAccel || acceltype != accelName;
acceltype = accelName;
}
UI.printInfo(UI.Module.SCENE, " * Instance accel: {0}", acceltype);
if (rebuildAccel)
{
intAccel = AccelerationStructureFactory.create(acceltype, instanceList.getNumPrimitives(), false);
intAccel.build(instanceList);
rebuildAccel = false;
}
UI.printInfo(UI.Module.SCENE, " * Scene bounds: {0}", getBounds());
UI.printInfo(UI.Module.SCENE, " * Scene center: {0}", getBounds().getCenter());
UI.printInfo(UI.Module.SCENE, " * Scene diameter: {0}", getBounds().getExtents().Length());
UI.printInfo(UI.Module.SCENE, " * Lightmap bake: {0}", bakingInstance != null ? (bakingViewDependent ? "view" : "ortho") : "off");
if (sampler == null)
return;
if (!lightServer.build(options))
return;
// render
UI.printInfo(UI.Module.SCENE, "Rendering ...");
sampler.prepare(options, this, imageWidth, imageHeight);
sampler.render(display);
lightServer.showStats();
// discard baking tesselation/accel structure
bakingPrimitives = null;
bakingAccel = null;
UI.printInfo(UI.Module.SCENE, "Done.");
}
/**
* Render the scene using the specified options, image sampler and display.
*
* @param options rendering options object
* @param sampler image sampler
* @param display display to send the image to, a default display will
* be created if <code>null</code>
*/
public void render(Options options, ImageSampler sampler, IDisplay display)
{
stats.reset();
if (display == null)
{
display = null;// new FrameDisplay();
}
if (bakingInstance != null)
{
UI.printDetailed(UI.Module.SCENE, "Creating primitives for lightmapping ...");
bakingPrimitives = bakingInstance.getBakingPrimitives();
if (bakingPrimitives == null)
{
UI.printError(UI.Module.SCENE, "Lightmap baking is not supported for the given instance.");
return;
}
int n = bakingPrimitives.getNumPrimitives();
UI.printInfo(UI.Module.SCENE, "Building acceleration structure for lightmapping ({0} num primitives) ...", n);
bakingAccel = AccelerationStructureFactory.create("auto", n, true);
bakingAccel.build(bakingPrimitives);
}
else
{
bakingPrimitives = null;
bakingAccel = null;
}
bakingViewDependent = options.getbool("baking.viewdep", bakingViewDependent);
if ((bakingInstance != null && bakingViewDependent && camera == null) || (bakingInstance == null && camera == null))
{
UI.printError(UI.Module.SCENE, "No camera found");
return;
}
// read from options
threads = options.getInt("threads", 0);
lowPriority = options.getbool("threads.lowPriority", true);
imageWidth = options.getInt("resolutionX", 640);
imageHeight = options.getInt("resolutionY", 480);
// limit resolution to 16k
imageWidth = MathUtils.clamp(imageWidth, 1, 1 << 14);
imageHeight = MathUtils.clamp(imageHeight, 1, 1 << 14);
// prepare lights
createAreaLightInstances();
// get acceleration structure info
// count scene primitives
long numPrimitives = 0;
for (int i = 0; i < instanceList.getNumPrimitives(); i++)
{
numPrimitives += instanceList.getNumPrimitives(i);
}
UI.printInfo(UI.Module.SCENE, "Scene stats:");
UI.printInfo(UI.Module.SCENE, " * Infinite instances: {0}", infiniteInstanceList.getNumPrimitives());
UI.printInfo(UI.Module.SCENE, " * Instances: {0}", instanceList.getNumPrimitives());
UI.printInfo(UI.Module.SCENE, " * Primitives: {0}", numPrimitives);
string accelName = options.getstring("accel", null);
if (accelName != null)
{
rebuildAccel = rebuildAccel || acceltype != accelName;
acceltype = accelName;
}
UI.printInfo(UI.Module.SCENE, " * Instance accel: {0}", acceltype);
if (rebuildAccel)
{
intAccel = AccelerationStructureFactory.create(acceltype, instanceList.getNumPrimitives(), false);
intAccel.build(instanceList);
rebuildAccel = false;
}
UI.printInfo(UI.Module.SCENE, " * Scene bounds: {0}", getBounds());
UI.printInfo(UI.Module.SCENE, " * Scene center: {0}", getBounds().getCenter());
UI.printInfo(UI.Module.SCENE, " * Scene diameter: {0}", getBounds().getExtents().Length());
UI.printInfo(UI.Module.SCENE, " * Lightmap bake: {0}", bakingInstance != null ? (bakingViewDependent ? "view" : "ortho") : "off");
if (sampler == null)
{
return;
}
if (!lightServer.build(options))
{
return;
}
// render
UI.printInfo(UI.Module.SCENE, "Rendering ...");
stats.setResolution(imageWidth, imageHeight);
sampler.prepare(options, this, imageWidth, imageHeight);
sampler.render(display);
// show statistics
stats.displayStats();
lightServer.showStats();
// discard area lights
removeAreaLightInstances();
// discard baking tesselation/accel structure
bakingPrimitives = null;
bakingAccel = null;
UI.printInfo(UI.Module.SCENE, "Done.");
}
