initial commit of a GPU ray tracer

Author: arichnad

.gitignore

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+.settings/
+build/
+classes/
+output*.png
+video*.yuv
+video*.webm
+raytrace-opencl.jar

LICENSE

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+raytrace-opencl
+=========
+
+Ray traces incredibly fast using your GPU (opencl)
+
+
+Future development
+=========
+
+Right now the scene (animated and still) is hard-coded.
+Right now it only supports one opencl device.
+Right now it defaults to using your first opencl device.
+
+Building
+=========
+
+Make sure ant is installed.
+
+Run:  ant
+
+Running
+=========
+
+./raytrace-opencl
+
+Takes three seconds to run on my computer:  NVIDIA desktop graphics card.
+
+Animations
+=========
+
+./raytrace-animation
+./video
+
+License
+=========
+
+See LICENSE
+
+Depends on JOCL (see jocl-license.txt).
+
+August 2013
+Adrian Porter
+

README.md

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<project name="raytrace-opencl" default="build" basedir=".">
+
+	<path id="cp">
+		<fileset dir="libs">
+			<include name="*.jar"/>
+		</fileset>
+	</path>
+	
+	<property name="classes.dir" value="classes"/>
+	<property name="src.dir" value="src"/>
+	<property name="jar" value="${ant.project.name}.jar"/>
+	
+	<target name="init">
+	</target>
+
+	<target name="build" depends="init">
+		<mkdir dir="${classes.dir}"/>
+		<javac srcdir="${src.dir}" destdir="${classes.dir}" classpathref="cp" />
+		<jar jarfile="${jar}" compress="true">
+			<fileset dir="${classes.dir}"/>
+			<manifest>
+				<attribute name="Main-Class" value="org.raytrace.RaytraceOpencl" />
+				<attribute name="Class-Path" value="libs/JOCL-0.1.9.jar" />
+			</manifest>
+		</jar>
+	</target>
+
+	<target name="clean">
+		<delete dir="${classes.dir}"/>
+		<delete file="${jar}"/>
+	</target>
+
+</project>
+

build.xml

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+JOCL - Java bindings for OpenCL
+
+Copyright (c) 2009-2013 Marco Hutter - http://www.jocl.org
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

jocl-license.txt

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+#!/bin/bash
+
+renice +20 -p $$ >/dev/null
+
+for((i=0;i<1000;i++)); do
+	echo $fname
+	fname=$(printf output%04d.png $i)
+	if [[ ! -e $fname ]]; then
+		./raytrace-opencl $fname $i $@
+	fi
+done

libs/JOCL-0.1.9.jar

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+#!/bin/bash
+
+java='java -Xms1G -Xmx2G -jar raytrace-opencl.jar'
+
+$java $@