public void TestImage2DReadWrite()
{
checkSetup();
CommandQueue queue = CommandQueue.Create(context, device, CommandQueueFlags.ProfilingEnable);
ImageFormat fmt = new ImageFormat(ChannelOrder.R, ChannelType.Float);
Image2D img = Image2D.Create(context, MemFlags.ReadOnly, fmt, 4, 2);
Assert.AreEqual((IntPtr)4, img.ElementSize);
float[,] pix = new float[, ] {
{ 1.0f, 0.0f, 1.0f, 0.0f }, { 2.0f, 0.0f, 2.0f, 0.0f }
};
float[,] ret = new float[2, 4];
img.Write(queue, pix);
img.Read(queue, ret);
for (int r = 0; r < pix.GetLength(0); r++)
{
for (int c = 0; c < pix.GetLength(1); c++)
{
Assert.AreEqual(pix[r, c], ret[r, c]);
}
}
img.Dispose();
queue.Dispose();
}
public void TestImage2DProperties()
{
checkSetup();
CommandQueue queue = CommandQueue.Create(context, device, CommandQueueFlags.ProfilingEnable);
ImageFormat fmt = new ImageFormat(ChannelOrder.Ra, ChannelType.Float);
Image2D img = Image2D.Create(context, MemFlags.ReadOnly, fmt, 2, 2);
Assert.AreEqual(2, img.Width);
Assert.AreEqual(2, img.Height);
Assert.AreEqual(fmt, img.ImageFormat);
Assert.AreEqual((IntPtr)8, img.ElementSize);
img.Dispose();
queue.Dispose();
}
public void CopyTo(Image2D dstImage, CommandQueue queue,
int srcOriginX, int srcOriginY, int dstOriginX, int dstOriginY,
int width, int height)
{
IntPtr evtHandle = IntPtr.Zero;
IntPtr[] srcOrg = new IntPtr[] { (IntPtr)srcOriginX, (IntPtr)srcOriginY, (IntPtr)0 };
IntPtr[] dstOrg = new IntPtr[] { (IntPtr)dstOriginX, (IntPtr)dstOriginY, (IntPtr)0 };
IntPtr[] region = new IntPtr[] { (IntPtr)width, (IntPtr)height, (IntPtr)1 };
unsafe
{
fixed(IntPtr *p_srcOrg = srcOrg, p_dstOrg = dstOrg, p_region = region)
{
Native.Call(Native.EnqueueCopyImage(
queue.Handle, this.Handle, dstImage.Handle,
p_srcOrg, p_dstOrg, p_region, 0, null, &evtHandle));
}
}
Event evt = new Event(evtHandle);
evt.Wait();
evt.Dispose();
}
public Image2D CreateImage2D(MemFlags flags, ImageFormat format, int width, int height)
{
return(Image2D.Create(this, flags, format, width, height));
}