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authorMichael Bien <[email protected]>2009-10-20 22:06:10 +0200
committerMichael Bien <[email protected]>2009-10-20 22:06:10 +0200
commitabe0135b4457d4c4ff722b0f39a47cad6c178f7e (patch)
treecba794c54c5cc0f9d005b8ab2d7781f739c01d07 /src/com/mbien/opencl/CLContext.java
parent7f2db980b303fa75f3830679ce65fe4ae41c30dc (diff)
refactored JOCLTest into LowLevelBindingTest and HighLevelBindingTest.
moved listCLPlatforms() and getLowLevelBinding() from CLContext to CLPlatform. added method to create CLPrograms from InputStreams and updated test.
Diffstat (limited to 'src/com/mbien/opencl/CLContext.java')
-rw-r--r--src/com/mbien/opencl/CLContext.java76
1 files changed, 33 insertions, 43 deletions
diff --git a/src/com/mbien/opencl/CLContext.java b/src/com/mbien/opencl/CLContext.java
index dda8eb05..db32a446 100644
--- a/src/com/mbien/opencl/CLContext.java
+++ b/src/com/mbien/opencl/CLContext.java
@@ -1,6 +1,9 @@
package com.mbien.opencl;
-import com.mbien.opencl.impl.CLImpl;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.IntBuffer;
@@ -18,7 +21,7 @@ import static com.mbien.opencl.CLException.*;
*/
public final class CLContext {
- final static CL cl;
+ final CL cl;
public final long ID;
private CLDevice[] devices;
@@ -27,13 +30,9 @@ public final class CLContext {
private final List<CLBuffer> buffers;
private final Map<CLDevice, List<CLCommandQueue>> queuesMap;
- static{
- System.loadLibrary("gluegen-rt");
- System.loadLibrary("jocl");
- cl = new CLImpl();
- }
private CLContext(long contextID) {
+ this.cl = CLPlatform.getLowLevelBinding();
this.ID = contextID;
this.programs = new ArrayList<CLProgram>();
this.buffers = new ArrayList<CLBuffer>();
@@ -62,20 +61,43 @@ public final class CLContext {
private static final CLContext createContext(long deviceType) {
- IntBuffer error = IntBuffer.allocate(1);
- long context = cl.clCreateContextFromType(null, 0, deviceType, null, null, error, 0);
+ IntBuffer status = IntBuffer.allocate(1);
+ long context = CLPlatform.getLowLevelBinding().clCreateContextFromType(null, 0, deviceType, null, null, status, 0);
- checkForError(error.get(), "can not create CL context");
+ checkForError(status.get(), "can not create CL context");
return new CLContext(context);
}
-
+
+ /**
+ * Creates a program from the given sources, the program is not build yet.
+ */
public CLProgram createProgram(String src) {
CLProgram program = new CLProgram(this, src, ID);
programs.add(program);
return program;
}
+ /**
+ * Creates a program and reads the sources from stream, the program is not build yet.
+ * @throws IOException when a IOException occurred while reading or closing the stream.
+ */
+ public CLProgram createProgram(InputStream sources) throws IOException {
+
+ BufferedReader reader = new BufferedReader(new InputStreamReader(sources));
+ StringBuilder sb = new StringBuilder();
+
+ String line = null;
+ try {
+ while ((line = reader.readLine()) != null)
+ sb.append(line).append("\n");
+ } finally {
+ sources.close();
+ }
+
+ return createProgram(sb.toString());
+ }
+
public CLBuffer createBuffer(int flags, ByteBuffer directBuffer) {
CLBuffer buffer = new CLBuffer(this, flags, directBuffer);
buffers.add(buffer);
@@ -218,38 +240,6 @@ public final class CLContext {
return null;
}
- /**
- * Lists all available OpenCL implementaitons.
- * @throws CLException if something went wrong initializing OpenCL
- */
- public static CLPlatform[] listCLPlatforms() {
-
- int[] intBuffer = new int[1];
- // find all available OpenCL platforms
- int ret = cl.clGetPlatformIDs(0, null, 0, intBuffer, 0);
- checkForError(ret, "can not enumerate platforms");
-
- // receive platform ids
- long[] platformId = new long[intBuffer[0]];
- ret = cl.clGetPlatformIDs(platformId.length, platformId, 0, null, 0);
- checkForError(ret, "can not enumerate platforms");
-
- CLPlatform[] platforms = new CLPlatform[platformId.length];
-
- for (int i = 0; i < platformId.length; i++)
- platforms[i] = new CLPlatform(cl, platformId[i]);
-
- return platforms;
- }
-
- /**
- * Returns the low level binding interface to the OpenCL APIs.
- */
- public static CL getLowLevelBinding() {
- return cl;
- }
-
-
@Override
public String toString() {
return "CLContext [id: " + ID