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Convert loaded images to 256 color palette

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Alessandro Proto 2023-03-06 15:06:01 +01:00
parent 9f6e54b087
commit 7fff12c9ac
1 changed files with 24 additions and 0 deletions
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24
Capy64/Runtime/Libraries/GPU.cs
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@ -19,6 +19,7 @@ using Capy64.Runtime.Objects;
using KeraLua;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using System;
using System.Collections.Generic;
using System.IO;
@ -497,6 +498,29 @@ public class GPU : IComponent
var data = new uint[texture.Width * texture.Height];
texture.GetData(data);
if (_game.EngineMode == EngineMode.Classic)
{
for (int i = 0; i < data.Length; i++)
{
var value = data[i];
// ABGR to RGB
value =
((value & 0x00_00_00_FFU) << 16) | // move R
(value & 0x00_00_FF_00U) | // move G
((value & 0x00_FF_00_00U) >> 16); // move B
value = ColorPalette.GetColor(value);
// RGB to ABGR
value =
((value & 0x00_FF_00_00U) >> 16) | // move R
(value & 0x00_00_FF_00U) | // move G
((value & 0x00_00_00_FFU) << 16) | // move B
0xFF_00_00_00U;
}
}
ObjectManager.PushObject(L, data);
L.SetMetaTable(GPUBuffer.ObjectType);
L.PushInteger(texture.Width);