public void TestOclChangeDefaultDevice()
{
using (VectorOfOclPlatformInfo oclPlatformInfos = OclInvoke.GetPlatformsInfo())
{
if (oclPlatformInfos.Size > 0)
{
for (int i = 0; i < oclPlatformInfos.Size; i++)
{
OclPlatformInfo platformInfo = oclPlatformInfos[i];
for (int j = 0; j < platformInfo.DeviceNumber; j++)
{
OclDevice device = platformInfo.GetDevice(j);
Trace.WriteLine(String.Format("{0}Setting device to {1}", Environment.NewLine, device.Name));
//OclDevice d = new OclDevice();
//d.Set(device.NativeDevicePointer);
OclDevice defaultDevice = OclDevice.Default;
defaultDevice.Set(device.NativeDevicePointer);
Trace.WriteLine(String.Format("Current OpenCL default device: {0}", defaultDevice.Name));
UMat m = new UMat(2048, 2048, DepthType.Cv8U, 3);
m.SetTo(new MCvScalar(100, 100, 100));
CvInvoke.GaussianBlur(m, m, new Size(3, 3), 3);
Stopwatch watch = Stopwatch.StartNew();
m.SetTo(new MCvScalar(100, 100, 100));
CvInvoke.GaussianBlur(m, m, new Size(3, 3), 3);
watch.Stop();
Trace.WriteLine(String.Format("Device '{0}' time: {1} milliseconds", defaultDevice.Name, watch.ElapsedMilliseconds));
CvInvoke.OclFinish();
}
}
}
Trace.WriteLine(Environment.NewLine + "Disable OpenCL");
CvInvoke.UseOpenCL = false;
UMat m2 = new UMat(2048, 2048, DepthType.Cv8U, 3);
m2.SetTo(new MCvScalar(100, 100, 100));
CvInvoke.GaussianBlur(m2, m2, new Size(3, 3), 3);
Stopwatch watch2 = Stopwatch.StartNew();
m2.SetTo(new MCvScalar(100, 100, 100));
CvInvoke.GaussianBlur(m2, m2, new Size(3, 3), 3);
watch2.Stop();
Trace.WriteLine(String.Format("CPU time: {0} milliseconds", watch2.ElapsedMilliseconds));
CvInvoke.UseOpenCL = true;
}
}
public void TestOclKernel()
{
if (CvInvoke.HaveOpenCL && CvInvoke.UseOpenCL)
{
OclDevice defaultDevice = OclDevice.Default;
UMat umat = new UMat(256, 256, DepthType.Cv8U, 1);
umat.SetTo(new MCvScalar(8));
int rowsPerWI = 1;
int cn = 1;
String buildOpts = String.Format("-D rowsPerWI={0} -D cn={1} -D srcT1_C1=uchar -DdstT_C1=uchar", rowsPerWI, cn);
String sourceStr = @"
__kernel void mytest(__global const uchar * srcptr1, int srcstep1, int srcoffset1,
__global uchar *dstptr, int dststep, int dstoffset,
int rows, int cols )
{
int x = get_global_id(0);
int y0 = get_global_id(1) * rowsPerWI;
if (x < cols)
{
int src1_index = mad24(y0, srcstep1, mad24(x, (int)sizeof(srcT1_C1) * cn, srcoffset1));
int dst_index = mad24(y0, dststep, mad24(x, (int)sizeof(dstT_C1) * cn, dstoffset));
for (int y = y0, y1 = min(rows, y0 + rowsPerWI); y < y1; ++y, src1_index += srcstep1, dst_index += dststep)
{
*(__global uchar*) (dstptr + dst_index)= *(srcptr1 + src1_index);
}
}
}";
using (CvString errorMsg = new CvString())
using (OclProgramSource ps = new OclProgramSource(sourceStr))
using (OclKernel kernel = new OclKernel())
{
bool success = kernel.Create("mytest", ps, buildOpts, errorMsg);
bool empty = kernel.Empty;
}
}
}
protected override View OnCreateDialogView()
{
LayoutInflater inflator = LayoutInflater.FromContext(this.Context);
View dialog = inflator.Inflate(Resource.Layout.opencl_preference, null);
_openCLRadioGroup = dialog.FindViewById <RadioGroup>(Resource.Id.opencl_preference_radio_group);
AppPreference preference = new AppPreference();
RadioButton checkedButton = null;
RadioButton cpuButton = new RadioButton(this.Context);
cpuButton.Text = "CPU";
_openCLRadioGroup.AddView(cpuButton);
//int selectedIdx = -1;
if (preference.UseOpenCL == false)
{
checkedButton = cpuButton;
}
cpuButton.Click += (sender, args) =>
{
preference.UseOpenCL = false;
//Toast.MakeText(this.Context, "cpu clicked", ToastLength.Short).Show();
};
String selectedDeviceName = preference.OpenClDeviceName;
if (selectedDeviceName == null && CvInvoke.HaveOpenCL && preference.UseOpenCL)
{
selectedDeviceName = OclDevice.Default.Name;
}
//int counter = 1;
using (VectorOfOclPlatformInfo oclPlatformInfos = OclInvoke.GetPlatformsInfo())
{
if (oclPlatformInfos.Size > 0)
{
for (int i = 0; i < oclPlatformInfos.Size; i++)
{
OclPlatformInfo platformInfo = oclPlatformInfos[i];
for (int j = 0; j < platformInfo.DeviceNumber; j++)
{
OclDevice device = platformInfo.GetDevice(j);
RadioButton deviceButton = new RadioButton(this.Context);
deviceButton.Text = "OpenCL: " + device.Name;
if (preference.UseOpenCL == true && device.Name.Equals(selectedDeviceName))
{
checkedButton = deviceButton;
}
_openCLRadioGroup.AddView(deviceButton);
//counter++;
deviceButton.Click += (sender, args) =>
{
preference.UseOpenCL = true;
preference.OpenClDeviceName = device.Name;
//Toast.MakeText(this.Context, device.Name + " clicked", ToastLength.Short).Show();
};
}
}
}
}
if (checkedButton != null)
{
_openCLRadioGroup.Check(checkedButton.Id);
}
//_openCLRadioGroup.in
/*
* _openCLToggleButton.Checked = preference.UseOpenCL;
*
* _openCLToggleButton.CheckedChange += (sender, args) =>
* {
* bool isChecked = args.IsChecked;
*
* if (isChecked && !CvInvoke.HaveOpenCL)
* {
* _openCLToggleButton.Checked = false;
* Toast.MakeText(Context, "No OpenCL compatible device found.", ToastLength.Long).Show();
* isChecked = false;
* }
*
* preference.UseOpenCL = isChecked;
* };
*/
return(dialog);
}
