pyrit: src/sampler.cc@558fde7da82a (annotated)

47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	1	/*
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	2	* scene.cc: screen sample generation and image reconstruction
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	3	*
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	4	* This file is part of Pyrit Ray Tracer.
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	5	*
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	6	* Copyright 2008 Radek Brich
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	7	*
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	9	* of this software and associated documentation files (the "Software"), to deal
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	10	* in the Software without restriction, including without limitation the rights
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	12	* copies of the Software, and to permit persons to whom the Software is
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	13	* furnished to do so, subject to the following conditions:
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	14	*
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	15	* The above copyright notice and this permission notice shall be included in
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	16	* all copies or substantial portions of the Software.
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	17	*
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	21	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	22	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	23	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	24	* THE SOFTWARE.
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	25	*/
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	26
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	27	#include <math.h>
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	28
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	29	#include "common.h"
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	30	#include "scene.h"
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	31
48 a4913301c626 begin moving subsampling and oversampling to Sampler Radek Brich <radek.brich@devl.cz> parents: 47 diff changeset	32	void DefaultSampler::init()
a4913301c626 begin moving subsampling and oversampling to Sampler Radek Brich <radek.brich@devl.cz> parents: 47 diff changeset	33	{
a4913301c626 begin moving subsampling and oversampling to Sampler Radek Brich <radek.brich@devl.cz> parents: 47 diff changeset	34	phase = 0;
a4913301c626 begin moving subsampling and oversampling to Sampler Radek Brich <radek.brich@devl.cz> parents: 47 diff changeset	35	}
a4913301c626 begin moving subsampling and oversampling to Sampler Radek Brich <radek.brich@devl.cz> parents: 47 diff changeset	36
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	37	int DefaultSampler::initSampleSet()
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	38	{
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	39	static const int gridsamples[] = {1,5,9,16};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	40	const int samples = gridsamples[oversample];
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	41	if ( phase == 0 )
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	42	{
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	43	cout << "phase 1" << endl;
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	44	phase++;
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	45	return whsamples;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	46	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	47	else if ( phase == 1 && oversample )
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	48	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	49	cout << "phase 2" << endl;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	50	phase = -1;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	51	Float *buf;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	52	for (buf = buffer; buf != buffer + wh3; buf++)
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	53	buf = buf * (1.0/samples);
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	54	return 0;
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	55	}
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	56	else
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	57	{
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	58	phase = -1;
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	59	return 0;
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	60	}
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	61	}
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	62
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	63	Sample* DefaultSampler::nextSample(Sample *prev)
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	64	{
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	65	DefaultSample *s = new DefaultSample;
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	66
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	67	/* grid oversampling */
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	68	static const int gridsamples[] = {1,5,9,16};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	69	static const Float osa5x[] = {0.0, -0.4, +0.4, +0.4, -0.4};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	70	static const Float osa5y[] = {0.0, -0.4, -0.4, +0.4, +0.4};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	71	static const Float osa9x[] = {-0.34, 0.00, +0.34,
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	72	-0.34, 0.00, +0.34, -0.34, 0.00, +0.34};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	73	static const Float osa9y[] = {-0.34, -0.34, -0.34,
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	74	0.00, 0.00, 0.00, +0.34, +0.34, +0.34};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	75	static const Float osa16x[] = {-0.375, -0.125, +0.125, +0.375,
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	76	-0.375, -0.125, +0.125, +0.375, -0.375, -0.125, +0.125, +0.375,
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	77	-0.375, -0.125, +0.125, +0.375};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	78	static const Float osa16y[] = {-0.375, -0.375, -0.375, -0.375,
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	79	-0.125, -0.125, -0.125, -0.125, +0.125, +0.125, +0.125, +0.125,
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	80	+0.375, +0.375, +0.375, +0.375};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	81	static const Float *osaSx[] = {NULL, osa5x, osa9x, osa16x};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	82	static const Float *osaSy[] = {NULL, osa5y, osa9y, osa16y};
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	83	const int samples = gridsamples[oversample];
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	84	const Float *osax = osaSx[oversample];
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	85	const Float *osay = osaSy[oversample];
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	86
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	87	if (!prev)
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	88	{
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	89	// first sample
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	90	s->x = -(Float)w/h/2.0;
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	91	s->y = -0.5;
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	92	s->sx = 0;
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	93	s->sy = 0;
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	94	s->osa_samp = 0;
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	95	}
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	96	else
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	97	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	98	DefaultSample sp = static_cast<DefaultSample>(prev);
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	99
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	100	s->osa_samp = sp->osa_samp + 1;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	101
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	102	if (oversample && oversample <= 3 && s->osa_samp < samples)
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	103	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	104	s->sx = sp->sx;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	105	s->sy = sp->sy;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	106	s->x = osax[s->osa_samp]/h + (Float)s->sx/h - (Float)w/h/2.0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	107	s->y = osay[s->osa_samp]/h + (Float)s->sy/h - 0.5;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	108	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	109	else
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	110	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	111	s->sx = sp->sx + 1;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	112	s->sy = sp->sy;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	113	if (s->sx >= w)
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	114	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	115	s->sx = 0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	116	s->sy++;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	117	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	118	if (s->sy >= h)
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	119	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	120	delete s;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	121	return NULL;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	122	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	123	s->x = (Float)s->sx/h - (Float)w/h/2.0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	124	s->y = (Float)s->sy/h - 0.5;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	125	s->osa_samp = 0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	126	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	127	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	128
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	129	if (s->osa_samp == 0 && oversample && oversample <= 3)
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	130	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	131	s->x += osax[0]/h;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	132	s->y += osay[0]/h;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	133	Float buf = buffer + 3(s->sy*w + s->sx);
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	134	*(buf++) = 0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	135	*(buf++) = 0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	136	*(buf++) = 0;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	137	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	138
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	139	return s;
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	140	}
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	141
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	142	void DefaultSampler::saveSample(Sample *samp, Colour &col)
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	143	{
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	144	DefaultSample sp = static_cast<DefaultSample>(samp);
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	145	Float buf = buffer + 3(sp->sy*w + sp->sx);
49 558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	146	if (oversample)
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	147	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	148	*(buf+0) += col.r;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	149	*(buf+1) += col.g;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	150	*(buf+2) += col.b;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	151	}
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	152	else
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	153	{
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	154	*(buf++) = col.r;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	155	*(buf++) = col.g;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	156	*(buf++) = col.b;
558fde7da82a workaround for divide by zero bug in octree Radek Brich <radek.brich@devl.cz> parents: 48 diff changeset	157	}
47 320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	158	}
320d5d466864 move Sampler classes to sampler.cc Radek Brich <radek.brich@devl.cz> parents: diff changeset	159

author	Radek Brich <radek.brich@devl.cz>
	Fri, 28 Mar 2008 00:53:20 +0100
branch	pyrit
changeset 49	558fde7da82a
parent 48	a4913301c626
child 50	14a727b70d07
permissions	-rw-r--r--