public Bitmap Render(Rendering.ExecutionOptions options, Action <string> log)
{
try
{
var result = new Bitmap(options.Width, options.Height);
int width = options.Width;
int height = options.Height;
log("Initializing and copying data to GPU memory");
int[,] iterations = new int[height, width];
var dev_iterations = gpu.CopyToDevice(iterations);
var gridSize = new dim3(height, width);
var blockSize = BlockSize;
var minX = (float)options.MinX;
var maxX = (float)options.MaxX;
var minY = (float)options.MinY;
var maxY = (float)options.MaxY;
var stepX = (maxX - minX) / ((float)width);
var stepY = (maxY - minY) / ((float)height);
log("Launching Mandelbrot calculations");
gpu.Launch(gridSize, blockSize, "CalculateMandelbrot", minX, maxY, stepX, stepY, dev_iterations);
log("Mandelbrot calculations done, fetching results from GPU memory");
gpu.CopyFromDevice(dev_iterations, iterations);
log("Generating the final image");
Rendering.fastDrawBitmap(result, iterations);
return(result);
}
finally
{
gpu.FreeAll();
}
}
private void RegenerateImage()
{
this.txtMinX.Text = currentMinX.ToString("0.0######");
this.txtMaxX.Text = currentMaxX.ToString("0.0######");
this.txtMinY.Text = currentMinY.ToString("0.0######");
this.txtMaxY.Text = currentMaxY.ToString("0.0######");
this.btnGenerate.Enabled = false;
this.imageBox.Enabled = false;
this.btnReset.Enabled = false;
AppendLogLine("Rendering...");
timer.Reset();
timer.Start();
var executionOptions =
new Rendering
.ExecutionOptions(
(int)numDegreeParallel.Value,
(int)(imageBox.Width * 1.5),
(int)(imageBox.Height * 1.5),
currentMinX,
currentMaxX,
currentMinY,
currentMaxY);
if (rdioGPU.Checked)
{
imageBox.Image = renderer.Render(executionOptions, AppendLogLine);
}
else if (rdioCpu.Checked)
{
imageBox.Image = Rendering.renderFinal(executionOptions, AppendLogLine);
}
timer.Stop();
AppendLogLine("Rendering took " + timer.Elapsed);
this.btnGenerate.Enabled = true;
this.imageBox.Enabled = true;
this.btnReset.Enabled = true;
}
private void RegenerateImage()
{
this.txtMinX.Text = currentMinX.ToString("0.0######");
this.txtMaxX.Text = currentMaxX.ToString("0.0######");
this.txtMinY.Text = currentMinY.ToString("0.0######");
this.txtMaxY.Text = currentMaxY.ToString("0.0######");
this.btnGenerate.Enabled = false;
this.imageBox.Enabled = false;
this.btnReset.Enabled = false;
AppendLogLine("Rendering...");
timer.Reset();
timer.Start();
var executionOptions =
new Rendering
.ExecutionOptions(
(int)numDegreeParallel.Value,
(int)(imageBox.Width * 1.5),
(int)(imageBox.Height * 1.5),
currentMinX,
currentMaxX,
currentMinY,
currentMaxY);
if (rdioGPU.Checked)
{
imageBox.Image = renderer.Render(executionOptions, AppendLogLine);
}
else if (rdioCpu.Checked)
{
imageBox.Image = Rendering.renderFinal(executionOptions, AppendLogLine);
}
timer.Stop();
AppendLogLine("Rendering took " + timer.Elapsed);
this.btnGenerate.Enabled = true;
this.imageBox.Enabled = true;
this.btnReset.Enabled = true;
}
