protected override void AddKernel(OpenCL.Net.Program program)
{
kernelResize = new KernelResize(context, commandQueue, program, out error);
kernelLaplacian = new KernelLaplacian(context, commandQueue, program, out error);
kernelSobel = new KernelSobel(context, commandQueue, program, out error);
kernelGrayscale = new KernelGrayscale(context, commandQueue, program, out error);
//kernelHybrid = new KernelHybrid(context, commandQueue, program, out error);
kernelQuantize = new KernelQuantize(context, commandQueue, program, out error);
kernelGenerateUnicode = new KernelGenerateUnicode(context, commandQueue, program, out error);
kernelGammaCorrection = new KernelGammaCorrection(context, commandQueue, program, out error);
kernelContrastStretch = new KernelContrastStretch(context, commandQueue, program, out error);
}
protected override ITextureFilter CreateFilter(ITextureFilter sourceFilter)
{
if (!Renderer.IsOpenClAvail || Renderer.RenderQuality.PerformanceMode())
{
return(new NullFilter()); // display blank screen on purpose
}
// get MPDN to scale image to target size first
sourceFilter += new Resizer {
ResizerOption = ResizerOption.TargetSize100Percent
};
// apply our blue tint
var outputSize = sourceFilter.Size();
var blueTint = new ClKernel(FromFile("BlueTint.cl", entryPoint: "BlueTint"), globalWorkSizes: new[] { outputSize.Width, outputSize.Height })
{
Arguments = new[] { 0.25f, 0.5f, 0.75f }
};
return(blueTint.ApplyTo(sourceFilter));
}
private void ImgToImgKernel(ClKernel kernel, Bitmap source, Bitmap destination, params object[] extra)
{
//Check status
if (error != ErrorCode.Success)
{
return;
}
//Create Cl memory
ClImage2D srcMem = new ClImage2D(source, context, IOMode.ReadOnly, ChannelType.RGBA32bpp, out error);
ClImage2D dstMem = new ClImage2D(destination, context, IOMode.WriteOnly, ChannelType.RGBA32bpp, out error);
//Check error
if (!srcMem.Ready || !dstMem.Ready || IsErrorOccurred())
{
srcMem.Dispose();
dstMem.Dispose();
if (error != ErrorCode.Success)
{
return;
}
}
//Create argument list
object[] argList = new object[2 + extra.Length];
argList[0] = srcMem;
argList[1] = dstMem;
extra.CopyTo(argList, 2);
//Run kernel
kernel.ExecuteKernel(out error, argList);
if (error != ErrorCode.Success)
{
return;
}
//Clean up
srcMem.Dispose();
dstMem.Dispose();
}
