public void CalcGPURepeat(ref int[] buffer, int[] dispayPort, float[] viewArea, int max_iterations)
{
_computing = true;
if (!_disposing)
{
ArrayViewExtensions.CopyFromCPU(_area, viewArea);
}
if (!_disposing)
{
// Launch kernel
mandelbrot_kernel(_buffersize, _display, _area, max_iterations, _output.View);
}
// Reads data from the GPU buffer into a new CPU array.
// Implicitly calls accelerator.DefaultStream.Synchronize() to ensure
// that the kernel and memory copy are completed first.
if (!_disposing)
{
_output.CopyToCPU(buffer);
}
_computing = false;
return;
}
public async Task <bool> CalcGPU(int[] buffer, float[] viewArea)
{
bool result = false;
if (buffer.Length != _buffersize)
{
return(false);
}
// copy parameters to GPU inbound buffer
ArrayViewExtensions.CopyFromCPU(_area, viewArea);
if (IsActive && !_computing && !_disposing)
{
// Launch kernel
_computing = true;
mandelbrot_kernel(_stream, _buffersize, _display, _area, _iterations, _output.View);
await _stream.SynchronizeAsync(); // wait for the stream to synchronize
result = IsActive;
_computing = false;
}
// Reads data from the GPU buffer into a CPU array.
// that the kernel and memory copy are completed first.
if (IsActive && !_disposing)
{
_computing = true;
_output.CopyToCPU(buffer);
result = IsActive;
_computing = false;
}
return(result && !_disposing);
}