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Fixed sdf calculation via ILGPU

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mm00
2025-04-03 18:09:17 +02:00
parent 6fd430a670
commit 281e0f4aee
3 changed files with 5 additions and 17 deletions
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3
SDFMapCreator.sln.DotSettings.user
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@@ -1,8 +1,11 @@
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14
SDFMapCreator/Program.cs
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@@ -211,23 +211,11 @@ public class Program {
$"Progress: {iterCount / (float)(width * height):P}% | {iterCount / (sw.Elapsed.TotalSeconds):N0} pixels/s");
}
});*/
kernels.Sdf(mask.Edges.ToArray(), out var temp);
kernels.Sdf(mask.Edges.ToArray(), (int)width, (int)height, out var temp);
Console.WriteLine(
$"\nSDF Generation Time: {sw.Elapsed.TotalSeconds:N4}s ({iterCount / sw.Elapsed.TotalSeconds:N0} pixels/s)");
sw.Restart();
Parallel.For(0, width * height, parallelOptions, (i) =>
{
//convert 1D index to 2D index
var x = (int)(i % width);
var y = (int)(i / width);
temp[x, y] = new(Remap(temp[x, y].X, 0, AbsMax, MIN, MAX));
});
sw.Stop();
Console.WriteLine(
$"SDF Normalization Time: {sw.Elapsed.TotalSeconds:N4}s ({iterCount / sw.Elapsed.TotalSeconds:N0} pixels/s)");
Console.WriteLine("AbsMax: " + AbsMax);
return new(temp);
}

5
SDFMapCreator/SdfKernels.cs
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@@ -107,11 +107,8 @@ public partial class SdfKernels {
edge = buffer.GetAsArray2D();
}
public void Sdf(Vector2[] edges, out Vector3[,] sdf) {
public void Sdf(Vector2[] edges, int width, int height, out Vector3[,] sdf) {
var dev = gpuContext.GetPreferredDevice(preferCPU:false);
int width = edges.Length;
int height = edges.Length;
sdf = new Vector3[width, height];
using Accelerator accelerator = dev.CreateAccelerator(gpuContext);
using var buffer = accelerator.Allocate2DDenseX<Vector3>(new (width, height));