DarthAffe/Artemis
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Code Issues Releases Wiki Activity

Removed my 'optimisations' from LED samples and made it a lot faster 😓

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Robert committed 2019-12-20 13:43:19 +01:00
1 parent b1870e9e64
commit 62a9c19ae1
5 files changed
+129 -79
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src/Artemis.Core/RGB.NET/BitmapBrush.cs
+10 -24
View File
@@ -46,6 +46,7 @@ namespace Artemis.Core.RGB.NET
public Dictionary<BrushRenderTarget, Color> RenderedTargets { get; } = new Dictionary<BrushRenderTarget, Color>();
public Scale Scale { get; set; }
public Scale RenderedScale { get; private set; }
public SKBitmap Bitmap { get; private set; }
#endregion
@@ -85,7 +86,6 @@ namespace Artemis.Core.RGB.NET
{
var sampleSize = _sampleSizeSetting.Value;
var sampleDepth = Math.Sqrt(sampleSize).RoundToInt();
var pixelSpan = Bitmap.GetPixelSpan();
foreach (var renderTarget in renderTargets)
{
@@ -94,7 +94,8 @@ namespace Artemis.Core.RGB.NET
(float) ((renderTarget.Rectangle.Location.X + 4) * Scale.Horizontal),
(float) ((renderTarget.Rectangle.Location.Y + 4) * Scale.Vertical),
(float) ((renderTarget.Rectangle.Size.Width - 8) * Scale.Horizontal),
(float) ((renderTarget.Rectangle.Size.Height - 8) * Scale.Vertical));
(float) ((renderTarget.Rectangle.Size.Height - 8) * Scale.Vertical)
);
var verticalSteps = rect.Height / (sampleDepth - 1);
var horizontalSteps = rect.Width / (sampleDepth - 1);
@@ -103,6 +104,8 @@ namespace Artemis.Core.RGB.NET
var r = 0;
var g = 0;
var b = 0;
// TODO: Compare this with LINQ, might be quicker and cleaner
for (var horizontalStep = 0; horizontalStep < sampleDepth; horizontalStep++)
{
for (var verticalStep = 0; verticalStep < sampleDepth; verticalStep++)
@@ -112,11 +115,11 @@ namespace Artemis.Core.RGB.NET
if (x < 0 || x > Bitmap.Width || y < 0 || y > Bitmap.Height)
continue;
var (pixelA, pixelR, pixelG, pixelB) = GetRgbColor(pixelSpan, x, y);
a += pixelA;
r += pixelR;
g += pixelG;
b += pixelB;
var color = Bitmap.GetPixel(x, y);
a += color.Alpha;
r += color.Red;
g += color.Green;
b += color.Blue;
// Uncomment to view the sample pixels in the debugger, need a checkbox in the actual debugger but this was a quickie
// Bitmap.SetPixel(x, y, new SKColor(0, 255, 0));
@@ -127,8 +130,6 @@ namespace Artemis.Core.RGB.NET
}
}
public Scale RenderedScale { get; private set; }
private void CreateBitmap(Rectangle rectangle)
{
var width = Math.Min((rectangle.Location.X + rectangle.Size.Width) * Scale.Horizontal, 4096);
@@ -136,21 +137,6 @@ namespace Artemis.Core.RGB.NET
Bitmap = new SKBitmap(new SKImageInfo(width.RoundToInt(), height.RoundToInt()));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private Tuple<int, int, int, int> GetRgbColor(in ReadOnlySpan<byte> pixelSpan, float x, float y)
{
var index = ((int) y * Bitmap.Width + (int) x) * 4;
if (index + 3 > pixelSpan.Length)
return new Tuple<int, int, int, int>(0, 0, 0, 0);
var b = pixelSpan[index];
var g = pixelSpan[index + 1];
var r = pixelSpan[index + 2];
var a = pixelSpan[index + 3];
return new Tuple<int, int, int, int>(a, r, g, b);
}
/// <inheritdoc />
public virtual void PerformFinalize()
{