diff --git a/samples/convolution/.classpath b/samples/convolution/.classpath
index d0b04da999673df65240caa28a17d7f842855cd4..253bb2788028a84693dc5510159153b8a57307c8 100644
--- a/samples/convolution/.classpath
+++ b/samples/convolution/.classpath
@@ -1,12 +1,11 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
- <classpathentry kind="src" path="src"/>
- <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
- <classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
- <classpathentry kind="lib" path="/com.amd.aparapi/dist/aparapi.jar" sourcepath="/com.amd.aparapi">
- <attributes>
- <attribute name="org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY" value="com.amd.aparapi.jni/dist"/>
- </attributes>
- </classpathentry>
- <classpathentry kind="output" path="classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry kind="src" path="src"/>
+ <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+ <classpathentry kind="lib" path="/com.amd.aparapi/dist/aparapi.jar" sourcepath="/com.amd.aparapi">
+ <attributes>
+ <attribute name="org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY" value="com.amd.aparapi.jni/dist"/>
+ </attributes>
+ </classpathentry>
+ <classpathentry kind="output" path="classes"/>
+</classpath>
diff --git a/samples/convolution/.gitignore b/samples/convolution/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..840e7d3120ee3206168d49bf62df2c269c38e17e
--- /dev/null
+++ b/samples/convolution/.gitignore
@@ -0,0 +1 @@
+/classes/
diff --git a/samples/convolution/build.xml b/samples/convolution/build.xml
index 0bf8e64345d43d176a6cdcff616c9e1cffde0cf7..036a46424e86fc3760486cc8f5cc5cc8bf3f5eb2 100644
--- a/samples/convolution/build.xml
+++ b/samples/convolution/build.xml
@@ -1,21 +1,54 @@
<?xml version="1.0"?>
<project name="convolution" default="build" basedir=".">
- <target name="build" depends="clean">
- <mkdir dir="classes"/>
- <javac srcdir="src" destdir="classes" debug="on" includeantruntime="false" >
- <classpath>
- <pathelement path="../../com.amd.aparapi/dist/aparapi.jar"/>
- </classpath>
- </javac>
- <copy file="src\com\amd\aparapi\sample\convolution\convolution.cl" toDir="classes\com\amd\aparapi\sample\convolution"/>
- <jar jarfile="${ant.project.name}.jar" basedir="classes"/>
- </target>
-
- <target name="clean">
- <delete dir="classes"/>
- <delete file="${ant.project.name}.jar"/>
- </target>
+ <!-- Ideally this would be the latest version of Java but not everyone is going to have it installed -->
+ <!-- Additionally we want to avoid "Class not found: javac1.8" errors from old Ant versions (i.e. Eclipse) -->
+ <property name="build.compiler" value="javac1.7" />
+ <property name="ant.build.javac.source" value="1.7" />
+ <property name="ant.build.javac.target" value="1.7" />
+
+ <path id="compiler.class.path">
+ <pathelement path="../../com.amd.aparapi/dist/aparapi.jar" />
+ </path>
+
+ <path id="runtime.class.path" cache="true">
+ <path refid="compiler.class.path" />
+ <pathelement path="${ant.project.name}.jar" />
+ </path>
+
+ <target name="build" depends="clean">
+ <mkdir dir="classes" />
+ <javac srcdir="src" destdir="classes" debug="on" includeantruntime="false">
+ <classpath>
+ <pathelement path="../../com.amd.aparapi/dist/aparapi.jar" />
+ </classpath>
+ </javac>
+ <copy file="src\com\amd\aparapi\sample\convolution\convolution.cl" toDir="classes\com\amd\aparapi\sample\convolution" />
+ <jar jarfile="${ant.project.name}.jar" basedir="classes" />
+ </target>
+
+ <target name="clean">
+ <delete dir="classes" />
+ <delete file="${ant.project.name}.jar" />
+ </target>
+
+ <target name="run-jtp">
+ <java classname="com.amd.aparapi.sample.convolution.Convolution" fork="true">
+ <classpath refid="runtime.class.path" />
+ <sysproperty key="java.library.path" path="..\..\com.amd.aparapi.jni\dist" />
+ <sysproperty key="com.amd.aparapi.executionMode" value="JTP" />
+ </java>
+ </target>
+
+ <target name="run-gpu">
+ <java classname="com.amd.aparapi.sample.convolution.Convolution" fork="true">
+ <classpath refid="runtime.class.path" />
+ <sysproperty key="java.library.path" path="..\..\com.amd.aparapi.jni\dist" />
+ <sysproperty key="com.amd.aparapi.executionMode" value="GPU" />
+ </java>
+ </target>
+
+ <target name="run" depends="run-gpu" />
</project>
diff --git a/samples/convolution/src/com/amd/aparapi/sample/convolution/Convolution.java b/samples/convolution/src/com/amd/aparapi/sample/convolution/Convolution.java
index 4a7b08835393e4dda07f7a33c0294f2821b77e8f..fc70267efa87412914e40580fce6ffb3f9fb66c9 100644
--- a/samples/convolution/src/com/amd/aparapi/sample/convolution/Convolution.java
+++ b/samples/convolution/src/com/amd/aparapi/sample/convolution/Convolution.java
@@ -34,7 +34,7 @@ to national security controls as identified on the Commerce Control List (curren
of EAR). For the most current Country Group listings, or for additional information about the EAR or your obligations
under those regulations, please refer to the U.S. Bureau of Industry and Security's website at http://www.bis.doc.gov/.
-*/
+ */
package com.amd.aparapi.sample.convolution;
@@ -42,75 +42,79 @@ import java.io.File;
import com.amd.aparapi.Kernel;
-public class Convolution{
+public class Convolution {
- final static class ImageConvolution extends Kernel{
- private float convMatrix3x3[];
+ public static void main(final String[] _args) {
- private int width, height;
+ final File file = new File(_args.length == 1 ? _args[0] : "testcard.jpg");
- private byte imageIn[], imageOut[];
+ final ImageConvolution convolution = new ImageConvolution();
- public void processPixel(int x, int y, int w, int h) {
- float accum = 0f;
- int count = 0;
- for (int dx = -3; dx < 6; dx += 3) {
- for (int dy = -1; dy < 2; dy += 1) {
- int rgb = 0xff & imageIn[((y + dy) * w) + (x + dx)];
+ final float convMatrix3x3[] = new float[] {
+ 0f,
+ -10f,
+ 0f,
+ -10f,
+ 40f,
+ -10f,
+ 0f,
+ -10f,
+ 0f,
+ };
- accum += rgb * convMatrix3x3[count++];
+ new ConvolutionViewer(file, convMatrix3x3) {
+
+ private static final long serialVersionUID = 7858079467616904028L;
+
+ @Override
+ protected void applyConvolution(float[] _convMatrix3x3, byte[] _inBytes, byte[] _outBytes, int _width,
+ int _height) {
+ convolution.applyConvolution(_convMatrix3x3, _inBytes, _outBytes, _width, _height);
+ }
+ };
+ }
+
+ final static class ImageConvolution extends Kernel {
+
+ private float convMatrix3x3[];
+
+ private int width, height;
+
+ private byte imageIn[], imageOut[];
+
+ public void processPixel(int x, int y, int w, int h) {
+ float accum = 0f;
+ int count = 0;
+ for (int dx = -3; dx < 6; dx += 3) {
+ for (int dy = -1; dy < 2; dy += 1) {
+ final int rgb = 0xff & imageIn[((y + dy) * w) + (x + dx)];
+
+ accum += rgb * convMatrix3x3[count++];
+ }
}
- }
- byte value = (byte) (max(0, min((int) accum, 255)));
- imageOut[y * w + x] = value;
-
- }
-
- @Override public void run() {
- int x = getGlobalId(0) % (width * 3);
- int y = getGlobalId(0) / (width * 3);
-
- if (x > 3 && x < (width * 3 - 3) && y > 1 && y < (height - 1)) {
- processPixel(x, y, width * 3, height);
- }
-
- }
-
- public void applyConvolution(float[] _convMatrix3x3, byte[] _imageIn, byte[] _imageOut, int _width, int _height) {
- imageIn = _imageIn;
- imageOut = _imageOut;
- width = _width;
- height = _height;
- convMatrix3x3 = _convMatrix3x3;
- execute(3 * width * height);
- }
-
- }
-
- public static void main(final String[] _args) {
- File file = new File(_args.length == 1 ? _args[0] : "testcard.jpg");
-
- final ImageConvolution convolution = new ImageConvolution();
-
- float convMatrix3x3[] = new float[] {
- 0f,
- -10f,
- 0f,
- -10f,
- 40f,
- -10f,
- 0f,
- -10f,
- 0f,
- };
-
- new ConvolutionViewer(file, convMatrix3x3){
- @Override protected void applyConvolution(float[] _convMatrix3x3, byte[] _inBytes, byte[] _outBytes, int _width,
- int _height) {
- convolution.applyConvolution(_convMatrix3x3, _inBytes, _outBytes, _width, _height);
- }
- };
-
- }
-
-}
+ final byte value = (byte) (max(0, min((int) accum, 255)));
+ imageOut[(y * w) + x] = value;
+
+ }
+
+ @Override
+ public void run() {
+ final int x = getGlobalId(0) % (width * 3);
+ final int y = getGlobalId(0) / (width * 3);
+
+ if ((x > 3) && (x < ((width * 3) - 3)) && (y > 1) && (y < (height - 1))) {
+ processPixel(x, y, width * 3, height);
+ }
+
+ }
+
+ public void applyConvolution(float[] _convMatrix3x3, byte[] _imageIn, byte[] _imageOut, int _width, int _height) {
+ imageIn = _imageIn;
+ imageOut = _imageOut;
+ width = _width;
+ height = _height;
+ convMatrix3x3 = _convMatrix3x3;
+ execute(3 * width * height);
+ }
+ }
+}
\ No newline at end of file