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Textures: Simplify away _targetPixels

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Exter-N 2023-08-30 02:51:36 +02:00
parent 848e4ff8a6
commit 38a22c5298
1 changed files with 22 additions and 21 deletions
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43
Penumbra/Import/Textures/CombinedTexture.Manipulation.cs
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@ -53,6 +53,11 @@ public partial class CombinedTexture
public (int Width, int Height) Size
=> (Width, Height);
public RgbaPixelData((int Width, int Height) size, byte[] pixelData)
: this(size.Width, size.Height, pixelData)
{
}
public Image<Rgba32> ToImage()
=> Image.LoadPixelData<Rgba32>(PixelData, Width, Height);
@ -61,7 +66,7 @@ public partial class CombinedTexture
if (Width == size.Width && Height == size.Height)
return this;
var result = WithNewPixelData(size);
var result = new RgbaPixelData(size, NewPixelData(size));
using (var image = ToImage())
{
image.Mutate(ctx => ctx.Resize(size.Width, size.Height, KnownResamplers.Lanczos3));
@ -71,8 +76,8 @@ public partial class CombinedTexture
return result;
}
public static RgbaPixelData WithNewPixelData((int Width, int Height) size)
=> new(size.Width, size.Height, new byte[size.Width * size.Height * 4]);
public static byte[] NewPixelData((int Width, int Height) size)
=> new byte[size.Width * size.Height * 4];
public static RgbaPixelData FromTexture(Texture texture)
=> new(texture.TextureWrap!.Width, texture.TextureWrap!.Height, texture.RgbaPixels);
@ -88,9 +93,8 @@ public partial class CombinedTexture
private ResizeOp _resizeOp = ResizeOp.None;
private Channels _copyChannels = Channels.Red | Channels.Green | Channels.Blue | Channels.Alpha;
private RgbaPixelData _targetPixels = RgbaPixelData.Empty;
private RgbaPixelData _leftPixels = RgbaPixelData.Empty;
private RgbaPixelData _rightPixels = RgbaPixelData.Empty;
private RgbaPixelData _leftPixels = RgbaPixelData.Empty;
private RgbaPixelData _rightPixels = RgbaPixelData.Empty;
private static readonly IReadOnlyList<string> CombineOpLabels = new string[]
{
@ -195,9 +199,9 @@ public partial class CombinedTexture
private void AddPixelsMultiplied(int y, ParallelLoopState _)
{
for (var x = 0; x < _targetPixels.Width; ++x)
for (var x = 0; x < _leftPixels.Width; ++x)
{
var offset = (_targetPixels.Width * y + x) * 4;
var offset = (_leftPixels.Width * y + x) * 4;
var left = DataLeft(offset);
var right = DataRight(x, y);
var alpha = right.W + left.W * (1 - right.W);
@ -213,9 +217,9 @@ public partial class CombinedTexture
private void ReverseAddPixelsMultiplied(int y, ParallelLoopState _)
{
for (var x = 0; x < _targetPixels.Width; ++x)
for (var x = 0; x < _leftPixels.Width; ++x)
{
var offset = (_targetPixels.Width * y + x) * 4;
var offset = (_leftPixels.Width * y + x) * 4;
var left = DataLeft(offset);
var right = DataRight(x, y);
var alpha = left.W + right.W * (1 - left.W);
@ -232,9 +236,9 @@ public partial class CombinedTexture
private void ChannelMergePixelsMultiplied(int y, ParallelLoopState _)
{
var channels = _copyChannels;
for (var x = 0; x < _targetPixels.Width; ++x)
for (var x = 0; x < _leftPixels.Width; ++x)
{
var offset = (_targetPixels.Width * y + x) * 4;
var offset = (_leftPixels.Width * y + x) * 4;
var left = DataLeft(offset);
var right = DataRight(x, y);
var rgba = new Rgba32((channels & Channels.Red) != 0 ? right.X : left.X,
@ -250,9 +254,9 @@ public partial class CombinedTexture
private void MultiplyPixelsLeft(int y, ParallelLoopState _)
{
for (var x = 0; x < _targetPixels.Width; ++x)
for (var x = 0; x < _leftPixels.Width; ++x)
{
var offset = (_targetPixels.Width * y + x) * 4;
var offset = (_leftPixels.Width * y + x) * 4;
var left = DataLeft(offset);
var rgba = new Rgba32(left);
_centerStorage.RgbaPixels[offset] = rgba.R;
@ -264,9 +268,9 @@ public partial class CombinedTexture
private void MultiplyPixelsRight(int y, ParallelLoopState _)
{
for (var x = 0; x < _targetPixels.Width; ++x)
for (var x = 0; x < _rightPixels.Width; ++x)
{
var offset = (_targetPixels.Width * y + x) * 4;
var offset = (_rightPixels.Width * y + x) * 4;
var right = DataRight(offset);
var rgba = new Rgba32(right);
_centerStorage.RgbaPixels[offset] = rgba.R;
@ -294,9 +298,7 @@ public partial class CombinedTexture
try
{
_targetPixels = RgbaPixelData.WithNewPixelData(targetSize);
_centerStorage.RgbaPixels = _targetPixels.PixelData;
_centerStorage.RgbaPixels = RgbaPixelData.NewPixelData(targetSize);
_centerStorage.Type = TextureType.Bitmap;
_leftPixels = resizeOp switch
@ -311,7 +313,7 @@ public partial class CombinedTexture
_ => right.Resize(targetSize),
};
Parallel.For(0, _targetPixels.Height, combineOp switch
Parallel.For(0, targetSize.Height, combineOp switch
{
CombineOp.Over => AddPixelsMultiplied,
CombineOp.Under => ReverseAddPixelsMultiplied,
@ -325,7 +327,6 @@ public partial class CombinedTexture
{
_leftPixels = RgbaPixelData.Empty;
_rightPixels = RgbaPixelData.Empty;
_targetPixels = RgbaPixelData.Empty;
}
return targetSize;