/// <summary>
/// Test all versions of:
///
/// EnqueueReadBufferRect
/// EnqueueWriteBufferRect
/// EnqueueCopyBufferRect
///
/// 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 TestBufferRectFunctions(Context c, CommandQueue cq)
{
if (!(cq.Device.Platform.OpenCLMajorVersion >= 1 && cq.Device.Platform.OpenCLMinorVersion >= 1))
{
Output("Skipping EnqueueReadBufferRect, EnqueueWriteBufferRect and EnqueueCopyBufferRect tests(Requires OpenCL 1.1 or higher)");
return;
}
Output("Testing EnqueueReadBufferRect, EnqueueWriteBufferRect and EnqueueCopyBufferRect");
OpenCLNet.Mem mem0 = null;
OpenCLNet.Mem mem1 = null;
int bufWidth = 16;
int bufHeight = 16;
int bufLen = bufWidth * bufHeight;
byte[] srcData = new byte[bufLen];
byte[] cmpData = new byte[bufLen];
Event event0;
Event event1;
Event event2;
Event event3;
Event event4;
Event event5;
Array.Clear(srcData, 0, srcData.Length);
for (int i = 8; i < 12; i++)
for (int j = 8; j < 12; j++)
srcData[bufWidth * i + j] = (byte)1;
Array.Clear(cmpData, 0, cmpData.Length);
try
{
mem0 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero);
mem1 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero);
fixed (byte* pSrc = srcData)
{
fixed (byte* pCmp = cmpData)
{
{
IntPtr[] bufferOffset = new IntPtr[3] { (IntPtr)0, (IntPtr)0, (IntPtr)0 };
IntPtr[] hostOffset = new IntPtr[3] { (IntPtr)0, (IntPtr)0, (IntPtr)0 };
IntPtr[] region = new IntPtr[3] { (IntPtr)bufWidth, (IntPtr)bufHeight, (IntPtr)1 };
IntPtr bufferRowPitch = (IntPtr)bufWidth;
IntPtr bufferSlicePitch = (IntPtr)0;
IntPtr hostRowPitch = (IntPtr)bufWidth;
IntPtr hostSlicePitch = (IntPtr)0;
cq.EnqueueWriteBufferRect(mem0, true, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch);
cq.Finish();
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, true, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp);
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (IntPtr version)Copy not identical to source when using no event args");
cq.EnqueueWriteBufferRect(mem0, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc, 0, null, out event0);
cq.EnqueueWaitForEvent(event0);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, 0, null, out event1);
cq.EnqueueWaitForEvent(event1);
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp, 0, null, out event2);
cq.Finish();
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (IntPtr version)Copy not identical to source when using event output and no event args");
Event[] events = new Event[] { event0, event1, event2 };
cq.EnqueueWriteBufferRect(mem0, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc, 3, events, out event3);
cq.EnqueueWaitForEvent(event3);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, 3, events, out event4);
cq.EnqueueWaitForEvent(event4);
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp, 3, events, out event5);
cq.Finish();
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (IntPtr version)Copy not identical to source when using event output and event args");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
event4.Dispose();
event5.Dispose();
}
{
int[] bufferOffset = new int[3] { 0, 0, 0 };
int[] hostOffset = new int[3] { 0, 0, 0 };
int[] region = new int[3] { bufWidth, bufHeight, 1 };
int bufferRowPitch = bufWidth;
int bufferSlicePitch = 0;
int hostRowPitch = bufWidth;
int hostSlicePitch = 0;
cq.EnqueueWriteBufferRect(mem0, true, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch);
cq.Finish();
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, true, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp);
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (int version)Copy not identical to source when using no event args");
cq.EnqueueWriteBufferRect(mem0, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc, 0, null, out event0);
cq.EnqueueWaitForEvent(event0);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, 0, null, out event1);
cq.EnqueueWaitForEvent(event1);
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp, 0, null, out event2);
cq.Finish();
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (int version)Copy not identical to source when using event output and no event args");
Event[] events = new Event[] { event0, event1, event2 };
cq.EnqueueWriteBufferRect(mem0, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc, 3, events, out event3);
cq.EnqueueWaitForEvent(event3);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, 3, events, out event4);
cq.EnqueueWaitForEvent(event4);
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp, 3, events, out event5);
cq.Finish();
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (int version)Copy not identical to source when using event output and event args");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
event4.Dispose();
event5.Dispose();
}
{
long[] bufferOffset = new long[3] { 0L, 0L, 0L };
long[] hostOffset = new long[3] { 0L, 0L, 0L };
long[] region = new long[3] { (long)bufWidth, (long)bufHeight, (long)1 };
long bufferRowPitch = bufWidth;
long bufferSlicePitch = 0;
long hostRowPitch = bufWidth;
long hostSlicePitch = 0;
cq.EnqueueWriteBufferRect(mem0, true, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch);
cq.Finish();
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, true, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp);
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (long version)Copy not identical to source when using no event args");
cq.EnqueueWriteBufferRect(mem0, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc, 0, null, out event0);
cq.EnqueueWaitForEvent(event0);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, 0, null, out event1);
cq.EnqueueWaitForEvent(event1);
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp, 0, null, out event2);
cq.Finish();
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (long version)Copy not identical to source when using event output and no event args");
Event[] events = new Event[] { event0, event1, event2 };
cq.EnqueueWriteBufferRect(mem0, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pSrc, 3, events, out event3);
cq.EnqueueWaitForEvent(event3);
cq.EnqueueCopyBufferRect(mem0, mem1, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, 3, events, out event4);
cq.EnqueueWaitForEvent(event4);
Array.Clear(cmpData, 0, cmpData.Length);
cq.EnqueueReadBufferRect(mem1, false, bufferOffset, hostOffset, region, bufferRowPitch, bufferSlicePitch, hostRowPitch, hostSlicePitch, (IntPtr)pCmp, 3, events, out event5);
cq.Finish();
if (!CompareArray(cmpData, srcData))
Error("Read-/Write-/CopyRect: (long version)Copy not identical to source when using event output and event args");
event0.Dispose();
event1.Dispose();
event2.Dispose();
event3.Dispose();
event4.Dispose();
event5.Dispose();
}
}
}
}
catch (Exception e)
{
Error("Exception during testing: " + e.ToString());
}
finally
{
if (mem0 != null)
mem0.Dispose();
if (mem1 != null)
mem1.Dispose();
}
}