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Finally doing quantization and dithering in a fast and sensible way

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jracek
2025-02-11 22:54:17 +01:00
parent ea24f92a2f
commit 0b21a520bc
3 changed files with 138 additions and 148 deletions
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23
Runtime/PSXTexture2D.cs
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@@ -1,5 +1,6 @@
using System.Collections.Generic;
using UnityEngine;
using static PSXSplash.RuntimeCode.TextureQuantizer;
namespace PSXSplash.RuntimeCode
@@ -67,7 +68,7 @@ namespace PSXSplash.RuntimeCode
public ushort[] ImageData { get; set; }
public static PSXTexture2D CreateFromTexture2D(Texture2D inputTexture, PSXBPP bitDepth, bool dither)
public static PSXTexture2D CreateFromTexture2D(Texture2D inputTexture, PSXBPP bitDepth)
{
PSXTexture2D psxTex = new PSXTexture2D();
@@ -90,23 +91,22 @@ namespace PSXSplash.RuntimeCode
psxTex._maxColors = (int)Mathf.Pow((int)bitDepth, 2);
ImageQuantizer quantizer = new ImageQuantizer();
quantizer.Quantize(inputTexture, psxTex._maxColors);
QuantizedResult result = Quantize(inputTexture, psxTex._maxColors);
foreach (Vector3 color in quantizer.Palette)
{
foreach (Vector3 color in result.Palette)
{
Color pixel = new Color(color.x, color.y, color.z);
VRAMPixel vramPixel = new VRAMPixel { R = (ushort)(pixel.r * 31), G = (ushort)(pixel.g * 31), B = (ushort)(pixel.b * 31) };
psxTex.ColorPalette.Add(vramPixel);
}
psxTex.Pixels = new int[quantizer.Width * quantizer.Height];
for (int x = 0; x < quantizer.Width; x++)
psxTex.Pixels = new int[psxTex.Width * psxTex.Height];
for (int x = 0; x < psxTex.Width; x++)
{
for (int y = 0; y < quantizer.Height; y++)
for (int y = 0; y < psxTex.Height; y++)
{
psxTex.Pixels[x+y*quantizer.Width] = quantizer.Pixels[x,y];
psxTex.Pixels[x + y * psxTex.Width] = result.Indices[x, y];
}
}
@@ -217,10 +217,5 @@ namespace PSXSplash.RuntimeCode
return vramTexture;
}
}
}