@Test
public void subBufferTest02FloatBuffer() {
out.println(" - - - subBufferTest - - - ");
@SuppressWarnings("unchecked")
final CLPlatform platform = CLPlatform.getDefault(version(CL_1_1));
if (platform == null) {
out.println("aborting subBufferTest");
return;
}
final CLContext context = CLContext.create(platform);
try {
final int subelements = 5;
final long lMaxAlignment = context.getMaxMemBaseAddrAlign();
final int iMaxAlignment = Bitstream.uint32LongToInt(lMaxAlignment);
System.err.println(
"XXX: maxAlignment "
+ lMaxAlignment
+ ", 0x"
+ Long.toHexString(lMaxAlignment)
+ ", (int)"
+ iMaxAlignment
+ ", (int)0x"
+ Integer.toHexString(iMaxAlignment));
if (-1 == iMaxAlignment) {
throw new RuntimeException(
"Cannot handle MaxMemBaseAddrAlign > MAX_INT, has 0x"
+ Long.toHexString(lMaxAlignment));
}
// FIXME: See Bug 979: Offset/Alignment via offset calculation per element-count is faulty!
final int floatsPerAlignment = iMaxAlignment / Buffers.SIZEOF_FLOAT;
// device + direct buffer
final CLBuffer<FloatBuffer> buffer =
context.createFloatBuffer(floatsPerAlignment + subelements);
assertFalse(buffer.isSubBuffer());
assertNotNull(buffer.getSubBuffers());
assertTrue(buffer.getSubBuffers().isEmpty());
final CLSubBuffer<FloatBuffer> subBuffer =
buffer.createSubBuffer(floatsPerAlignment, subelements);
assertTrue(subBuffer.isSubBuffer());
assertEquals(subelements, subBuffer.getBuffer().capacity());
assertEquals(floatsPerAlignment, subBuffer.getOffset());
assertEquals(iMaxAlignment, subBuffer.getCLOffset());
assertEquals(buffer, subBuffer.getParent());
assertEquals(1, buffer.getSubBuffers().size());
assertEquals(subBuffer.getCLCapacity(), subBuffer.getBuffer().capacity());
subBuffer.release();
assertEquals(0, buffer.getSubBuffers().size());
} finally {
context.release();
}
}
@Test
public void createBufferTest() {
out.println(" - - - highLevelTest; create buffer test - - - ");
final CLContext context = CLContext.create();
try {
final int size = 6;
final CLBuffer<ByteBuffer> bb = context.createByteBuffer(size);
final CLBuffer<ShortBuffer> sb = context.createShortBuffer(size);
final CLBuffer<IntBuffer> ib = context.createIntBuffer(size);
final CLBuffer<LongBuffer> lb = context.createLongBuffer(size);
final CLBuffer<FloatBuffer> fb = context.createFloatBuffer(size);
final CLBuffer<DoubleBuffer> db = context.createDoubleBuffer(size);
final List<CLMemory<? extends Buffer>> buffers = context.getMemoryObjects();
assertEquals(6, buffers.size());
assertEquals(1, bb.getElementSize());
assertEquals(2, sb.getElementSize());
assertEquals(4, ib.getElementSize());
assertEquals(8, lb.getElementSize());
assertEquals(4, fb.getElementSize());
assertEquals(8, db.getElementSize());
final ByteBuffer anotherNIO = newDirectByteBuffer(2);
for (final CLMemory<? extends Buffer> memory : buffers) {
final CLBuffer<? extends Buffer> buffer = (CLBuffer<? extends Buffer>) memory;
final Buffer nio = buffer.getBuffer();
assertEquals(nio.capacity(), buffer.getCLCapacity());
assertEquals(buffer.getNIOSize(), buffer.getCLSize());
assertEquals(sizeOfBufferElem(nio), buffer.getElementSize());
assertEquals(nio.capacity() * sizeOfBufferElem(nio), buffer.getCLSize());
final CLBuffer<ByteBuffer> clone = buffer.cloneWith(anotherNIO);
assertEquals(buffer.ID, clone.ID);
assertTrue(clone.equals(buffer));
assertTrue(buffer.equals(clone));
assertEquals(buffer.getCLSize(), clone.getCLCapacity());
assertEquals(buffer.getCLSize(), clone.getCLSize());
assertEquals(anotherNIO.capacity(), clone.getNIOCapacity());
}
} finally {
context.release();
}
}