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Improved term.blit performance

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This commit is contained in:
Alessandro Proto 2023-02-01 08:28:51 +01:00
parent 17056b3269
commit 2a84bf8fec
1 changed files with 24 additions and 26 deletions
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50
Capy64/Runtime/Libraries/Term.cs
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@ -4,6 +4,7 @@ using KeraLua;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using MonoGame.Extended;
using Newtonsoft.Json.Linq;
using System;
using static Capy64.Utils;
using static System.Formats.Asn1.AsnWriter;
@ -575,42 +576,39 @@ internal class Term : IPlugin
L.CheckType(2, LuaType.Table);
L.CheckType(3, LuaType.Table);
var len = L.Length(1);
// use .Length instead of Lua's Len
// for UTF-8 support
var len = text.Length;
L.ArgumentCheck(L.Length(2) == len, 2, "length does not match");
L.ArgumentCheck(L.Length(3) == len, 3, "length does not match");
var fg = new Color[len];
var bg = new Color[len];
L.PushCopy(2);
for (int i = 1; i <= len; i++)
{
L.GetInteger(-1, i);
var v = L.CheckInteger(-1);
L.GetInteger(2, i);
var fgv = (uint)L.CheckInteger(-1);
L.Pop(1);
UnpackRGB((uint)v, out var r, out var g, out var b);
fg[i - 1] = new Color(r, g, b);
}
L.Pop(1);
L.PushCopy(3);
for (int i = 1; i <= len; i++)
{
L.GetInteger(-1, i);
var v = L.CheckInteger(-1);
L.GetInteger(3, i);
var bgv = (uint)L.CheckInteger(-1);
L.Pop(1);
UnpackRGB((uint)v, out var r, out var g, out var b);
bg[i - 1] = new Color(r, g, b);
}
L.Pop(1);
// RGB to ABGR
fgv =
(fgv & 0x00_FF_00_00U) >> 16 | // move R
(fgv & 0x00_00_FF_00U) | // move G
(fgv & 0x00_00_00_FFU) << 16 | // move B
0xFF_00_00_00U;
for (int i = 0; i < len; i++)
{
ForegroundColor = fg[i];
BackgroundColor = bg[i];
Write(text[i].ToString());
bgv =
(bgv & 0x00_FF_00_00U) >> 16 | // move R
(bgv & 0x00_00_FF_00U) | // move G
(bgv & 0x00_00_00_FFU) << 16 | // move B
0xFF_00_00_00U;
ForegroundColor = new(fgv);
BackgroundColor = new(bgv);
Write(text[i - 1].ToString());
}
return 0;