/// <summary>
/// Test all versions of:
///
/// EnqueueCopyImageToBuffer
/// EnqueueCopyBufferToImage
///
/// 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 TestTransfersBetweenImageAndBuffers(Context c, CommandQueue cq)
{
if (!cq.Device.ImageSupport)
{
Output("Skipping CopyImageToBuffer and CopyBufferToImage tests(not supported on this device)");
return;
}
Output("Testing CopyImageToBuffer and CopyBufferToImage");
OpenCLNet.Image img0 = null;
OpenCLNet.Mem mem0 = null;
int imgWidth = 1024;
int imgHeight = 1024;
int bufLen = imgWidth * 4 * imgHeight;
byte[] srcData = new byte[bufLen];
byte[] cmpData = new byte[bufLen];
Event event0;
Event event1;
Event event2;
Event event3;
for (int i = 0; i < srcData.Length; i++)
srcData[i] = (byte)(i);
Array.Clear(cmpData, 0, cmpData.Length);
try
{
img0 = c.CreateImage2D(MemFlags.READ_WRITE, ImageFormat.RGBA8U, imgWidth, imgHeight);
mem0 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero);
Array.Clear(cmpData, 0, cmpData.Length);
fixed (byte* pSrc = srcData)
{
fixed (byte* pCmp = cmpData)
{
{
IntPtr[] origin = new IntPtr[3] { (IntPtr)0, (IntPtr)0, (IntPtr)0 };
IntPtr[] region = new IntPtr[3] { (IntPtr)imgWidth, (IntPtr)imgHeight, (IntPtr)1 };
IntPtr[] dstOrigin = new IntPtr[3] { (IntPtr)0, (IntPtr)0, (IntPtr)0 };
IntPtr[] dstRegion = new IntPtr[3] { (IntPtr)imgWidth, (IntPtr)imgHeight, (IntPtr)1 };
Array.Clear(cmpData, 0, cmpData.Length);
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, (IntPtr)0, origin, region);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, (IntPtr)0);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (IntPtr version)Copy not identical to source when using no event args");
Array.Clear(cmpData, 0, cmpData.Length);
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, (IntPtr)0, origin, region, 0, null, out event0);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, (IntPtr)0, 0, null, out event1);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (IntPtr version)Copy not identical to source when using event output and event args");
Array.Clear(cmpData, 0, cmpData.Length);
Event[] events = new Event[] { event0, event1 };
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, (IntPtr)0, origin, region, 2, events, out event2);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, (IntPtr)0, 2, events, out event3);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (IntPtr version)Copy not identical to source when using event output and a wait list");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
}
{
int[] origin = new int[3] { 0, 0, 0 };
int[] region = new int[3] { imgWidth, imgHeight, 1 };
int[] dstOrigin = new int[3] { 0, 0, 0 };
int[] dstRegion = new int[3] { imgWidth, imgHeight, 1 };
Array.Clear(cmpData, 0, cmpData.Length);
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, 0, origin, region);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, 0);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (int version)Copy not identical to source when using no event args");
Array.Clear(cmpData, 0, cmpData.Length);
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, 0, origin, region, 0, null, out event0);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, 0, 0, null, out event1);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (int version)Copy not identical to source when using event output no event args");
Array.Clear(cmpData, 0, cmpData.Length);
Event[] events = new Event[] { event0, event1 };
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, 0, origin, region, 2, events, out event2);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, 0, 2, events, out event3);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (int version)Copy not identical to source when using event output and a wait list");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
}
{
long[] origin = new long[3] { 0, 0, 0 };
long[] region = new long[3] { imgWidth, imgHeight, 1 };
long[] dstOrigin = new long[3] { 0, 0, 0 };
long[] dstRegion = new long[3] { imgWidth, imgHeight, 1 };
Array.Clear(cmpData, 0, cmpData.Length);
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, 0L, origin, region);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, 0L);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (long version)Copy not identical to source when using no event args");
Array.Clear(cmpData, 0, cmpData.Length);
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, 0L, origin, region, 0, null, out event0);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, 0L, 0, null, out event1);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (long version)Copy not identical to source when using event output and no event args");
Array.Clear(cmpData, 0, cmpData.Length);
Event[] events = new Event[] { event0, event1 };
mem0.Write(cq, 0L, srcData, 0, bufLen);
cq.EnqueueBarrier();
cq.EnqueueCopyBufferToImage(mem0, img0, 0L, origin, region, 2, events, out event2);
cq.EnqueueBarrier();
cq.EnqueueCopyImageToBuffer(img0, mem0, origin, region, 0L, 2, events, out event3);
cq.EnqueueBarrier();
mem0.Read(cq, 0L, cmpData, 0, bufLen);
if (!CompareArray(cmpData, srcData))
Error("EnqueueCopyBufferToImage/EnqueueCopyImageToBuffer: (long version)Copy not identical to source when using event output and a wait list");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
}
}
}
}
catch (Exception e)
{
Error("Exception during testing: " + e.ToString());
}
finally
{
if (img0 != null)
img0.Dispose();
if (mem0 != null)
mem0.Dispose();
}
}
