Beispiel #1
0
  @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();
    }
  }
Beispiel #2
0
  @Test
  public void subBufferTest01ByteBuffer() {

    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));
      }
      // device only
      final CLBuffer<?> buffer = context.createBuffer(iMaxAlignment + subelements);

      assertFalse(buffer.isSubBuffer());
      assertNotNull(buffer.getSubBuffers());
      assertTrue(buffer.getSubBuffers().isEmpty());

      final CLSubBuffer<?> subBuffer = buffer.createSubBuffer(iMaxAlignment, subelements);

      assertTrue(subBuffer.isSubBuffer());
      assertEquals(subelements, subBuffer.getCLSize());
      assertEquals(iMaxAlignment, subBuffer.getOffset());
      assertEquals(iMaxAlignment, subBuffer.getCLOffset());
      assertEquals(buffer, subBuffer.getParent());
      assertEquals(1, buffer.getSubBuffers().size());

      subBuffer.release();
      assertEquals(0, buffer.getSubBuffers().size());
    } finally {
      context.release();
    }
  }