// Dispose(bool disposing) executes in two distinct scenarios.
// If disposing equals true, the method has been called directly
// or indirectly by a user's code. Managed and unmanaged resources
// can be disposed.
// If disposing equals false, the method has been called by the
// runtime from inside the finalizer and you should not reference
// other objects. Only unmanaged resources can be disposed.
private void Dispose(bool disposing)
{
// Check to see if Dispose has already been called.
if (!this.disposed)
{
// If disposing equals true, dispose all managed
// and unmanaged resources.
if (disposing)
{
// Dispose managed resources.
Bitmap.Dispose();
Bitmap = null;
Image.Dispose();
Image = null;
CQ = null;
Context = null;
}
// Call the appropriate methods to clean up
// unmanaged resources here.
// If disposing is false,
// only the following code is executed.
// Note disposing has been done.
disposed = true;
}
}
protected virtual void Initialize(Context context, CommandQueue cq, int width, int height)
{
BitmapData bd;
Bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
bd = LockEntireBitmap(Bitmap, ImageLockMode.ReadOnly);
Image = context.CreateImage2D(MemFlags.COPY_HOST_PTR, OpenCLNet.ImageFormat.ARGB8U, width, height, bd.Stride, bd.Scan0);
Context = context;
CQ = cq;
}
public CLImage CreateImage3D(MemFlags flags, CLImageFormat imageFormat, IntPtr imageWidth, IntPtr imageHeight, IntPtr imageDepth, IntPtr imageRowPitch, IntPtr imageSlicePitch, IntPtr pHost)
{
CLImage mem;
IntPtr memID;
ErrorCode result;
memID = (IntPtr)OpenCL.CreateImage3D(ContextID, (ulong)flags, imageFormat, imageWidth, imageHeight, imageDepth, imageRowPitch, imageSlicePitch, pHost.ToPointer(), out result);
if (result != ErrorCode.SUCCESS)
{
throw new OpenCLException("CreateImage3D failed with error code " + result, result);
}
mem = new CLImage(this, memID);
OpenCLObjectList[memID] = new WeakReference(mem);
return(mem);
}
public void ReleaseDeviceResources()
{
oclFullyInitialized = false;
if (OCLSampler != null)
{
OCLSampler.Dispose();
OCLSampler = null;
}
if (OCLInputImage != null)
{
OCLInputImage.Dispose();
OCLInputImage = null;
}
if (OCLOutputImage != null)
{
OCLOutputImage.Dispose();
OCLOutputImage = null;
}
if (FilterKernel != null)
{
FilterKernel.Dispose();
FilterKernel = null;
}
if (oclProgram != null)
{
oclProgram.Dispose();
oclProgram = null;
}
if (oclCQ != null)
{
oclCQ.Dispose();
oclCQ = null;
}
if (oclContext != null)
{
oclContext.Dispose();
oclContext = null;
}
}
public void CreateOCLImages(Context context)
{
OCLInputImage = CreateOCLBitmapFromBitmap(TestImage);
OCLOutputImage = oclContext.CreateImage2D(MemFlags.WRITE_ONLY, CL.CLImageFormat.RGBA8U, panelScaled.Width, panelScaled.Height, 0, IntPtr.Zero);
OCLSampler = oclContext.CreateSampler(true, AddressingMode.CLAMP_TO_EDGE, FilterMode.LINEAR);
}