private void TestCommandQueueMemCopy(Context c, CommandQueue cq)
{
Output("Testing synchronous host memory->memory copy");
AlignedArrayFloat aafSrc = new AlignedArrayFloat(1024 * 1024, 64);
AlignedArrayFloat aafDst = new AlignedArrayFloat(1024 * 1024, 64);
SetAAF(aafSrc, 0.0f);
SetAAF(aafDst, 1.0f);
/// Test HOST_PTR -> HOST_PTR copy
/// The call to EnqueueMapBuffer synchronizes caches before testing the result
using (Mem memSrc = c.CreateBuffer((MemFlags)((ulong)MemFlags.READ_WRITE+(ulong)MemFlags.USE_HOST_PTR), aafSrc.ByteLength, aafSrc))
{
using (Mem memDst = c.CreateBuffer((MemFlags)((ulong)MemFlags.READ_WRITE+(ulong)MemFlags.USE_HOST_PTR), aafDst.ByteLength, aafDst))
{
cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength);
cq.EnqueueBarrier();
IntPtr mappedPtr = cq.EnqueueMapBuffer(memDst, true, MapFlags.READ_WRITE, (IntPtr)0, (IntPtr)aafDst.ByteLength);
if (!TestAAF(aafDst, 0.0f))
Error("EnqueueCopyBuffer failed, destination is invalid");
cq.EnqueueUnmapMemObject(memDst, mappedPtr);
cq.EnqueueBarrier();
}
}
/// Test COPY_HOST_PTR -> COPY_HOST_PTR copy
/// Verify that original source buffers are intact and that the copy was successful
SetAAF(aafSrc, 0.0f);
SetAAF(aafDst, 1.0f);
using (Mem memSrc = c.CreateBuffer(MemFlags.COPY_HOST_PTR, aafSrc.ByteLength, aafSrc))
{
using (Mem memDst = c.CreateBuffer(MemFlags.COPY_HOST_PTR, aafSrc.ByteLength, aafDst))
{
SetAAF(aafSrc, 2.0f);
SetAAF(aafDst, 3.0f);
cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength);
cq.Finish();
if (!TestAAF(aafSrc, 2.0f))
Error("Memory copy destroyed src buffer");
if (!TestAAF(aafDst, 3.0f))
Error("Memory copy destroyed dst buffer");
Event ev;
cq.EnqueueReadBuffer(memDst, false, IntPtr.Zero, (IntPtr)aafDst.ByteLength, aafDst,0, null, out ev);
cq.EnqueueWaitForEvents(1, new Event[] { ev });
ev.Dispose();
cq.Finish();
if (!TestAAF(aafDst, 0.0f))
Error("Memory copy failed");
}
}
/// Test ALLOC_HOST_PTR -> ALLOC_HOST_PTR copy
SetAAF(aafSrc, 0.0f);
SetAAF(aafDst, 1.0f);
using (Mem memSrc = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.READ_WRITE), aafSrc.ByteLength, IntPtr.Zero))
{
using (Mem memDst = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.WRITE_ONLY), aafSrc.ByteLength, IntPtr.Zero))
{
cq.EnqueueWriteBuffer(memSrc, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc);
cq.EnqueueWriteBuffer(memDst, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc);
cq.EnqueueBarrier();
cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(memDst, true, IntPtr.Zero, (IntPtr)aafDst.ByteLength, aafDst);
if (!TestAAF(aafDst, 0.0f))
Error("Memory copy failed");
}
}
/// Test DEFAULT -> DEFAULT copy
SetAAF(aafSrc, 0.0f);
SetAAF(aafDst, 1.0f);
using (Mem memSrc = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.READ_ONLY), aafSrc.ByteLength, IntPtr.Zero))
{
using (Mem memDst = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.WRITE_ONLY), aafSrc.ByteLength, IntPtr.Zero))
{
cq.EnqueueWriteBuffer(memSrc, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc);
cq.EnqueueWriteBuffer(memDst, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc);
cq.EnqueueBarrier();
cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(memDst, true, IntPtr.Zero, (IntPtr)aafDst.ByteLength, aafDst);
if (!TestAAF(aafDst, 0.0f))
Error("Memory copy failed");
}
}
}
/// <summary>
/// Test all versions of:
///
/// EnqueueReadBuffer
/// EnqueueWriteBuffer
/// EnqueueCopyBuffer
///
/// The test just copies the entirety of a buffer and checks if the result is equal to the original.
/// An error indicates that one of the above functions failed and further manual analysis is required
/// to pinpoint the error.
/// </summary>
/// <param name="c"></param>
/// <param name="cq"></param>
private void TestReadWriteCopyOps(Context c, CommandQueue cq)
{
Output("Testing read/write/copy functions");
Mem buf0 = null;
Mem buf1 = null;
Mem buf2 = null;
int bufLen = 1024 * 1024;
byte[] srcData = new byte[bufLen];
byte[] cmpData = new byte[bufLen];
Event event0;
Event event1;
Event event2;
Event event3;
Event event4;
Event event5;
for (int i = 0; i < srcData.Length; i++)
srcData[i] = (byte)(i);
Array.Clear(cmpData, 0, cmpData.Length);
try
{
buf0 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero);
buf1 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero);
buf2 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero);
#region Test EnqueueReadBuffer EnqueueWriteBuffer EnqueueCopyBuffer
fixed (byte* pSrc = srcData)
{
fixed (byte* pCmp = cmpData)
{
{
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc);
cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source");
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc, 0, null, out event0 );
cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen, 0, null, out event1);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp, 0, null, out event2);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source");
Event[] events = new Event[] { event0, event1, event2 };
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc, 3, events);
cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen, 3, events);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp, 3, events);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source");
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc, 3, events, out event3);
cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen, 3, events, out event4);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp, 3, events, out event5);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
event4.Dispose();
event5.Dispose();
}
{
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc);
cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(int version): Copy not identical to source");
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc, 0, null, out event0);
cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen, 0, null, out event1);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp, 0, null, out event2);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(int version): Copy not identical to source");
Event[] events = new Event[] { event0, event1, event2 };
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc, 3, events);
cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen, 3, events);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp, 3, events);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(int version): Copy not identical to source");
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc, 3, events, out event3);
cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen, 3, events, out event4);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp, 3, events, out event5);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(int version): Copy not identical to source");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
event4.Dispose();
event5.Dispose();
}
{
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc);
cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(long version): Copy not identical to source");
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc, 0, null, out event0);
cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen, 0, null, out event1);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp, 0, null, out event2);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(long version): Copy not identical to source");
Event[] events = new Event[] { event0, event1, event2 };
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc, 3, events);
cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen, 3, events);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp, 3, events);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(long version): Copy not identical to source");
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc, 3, events, out event3);
cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen, 3, events, out event4);
cq.EnqueueBarrier();
cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp, 3, events, out event5);
if (!CompareArray(cmpData, srcData))
Error("TestReadWriteCopyOps(long version): Copy not identical to source");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
event4.Dispose();
event5.Dispose();
}
}
}
#endregion
}
catch (Exception e)
{
Error("Exception during testing: " + e.ToString());
}
finally
{
if (buf0 != null)
buf0.Dispose();
if (buf1 != null)
buf1.Dispose();
if (buf2 != null)
buf2.Dispose();
}
}
