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Add gpu.loadImage

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This commit is contained in:
Alessandro Proto 2023-02-01 18:59:26 +01:00
parent e5e2d58f62
commit 0068509357
1 changed files with 44 additions and 1 deletions
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45
Capy64/Runtime/Libraries/GPU.cs
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@ -2,8 +2,10 @@
using Capy64.Runtime.Objects;
using KeraLua;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.Collections.Generic;
using System.IO;
namespace Capy64.Runtime.Libraries;
@ -112,6 +114,11 @@ public class GPU : IPlugin
name = "drawBuffer",
function = L_DrawBuffer,
},
new()
{
name = "loadImage",
function = L_LoadImage,
},
new(), // NULL
};
@ -424,7 +431,6 @@ public class GPU : IPlugin
return 1;
}
// WIP
private static int L_DrawBuffer(IntPtr state)
{
var L = Lua.FromIntPtr(state);
@ -468,4 +474,41 @@ public class GPU : IPlugin
return 0;
}
private static int L_LoadImage(IntPtr state)
{
var L = Lua.FromIntPtr(state);
var path = L.CheckString(1);
path = FileSystem.Resolve(path);
if (!File.Exists(path))
{
L.Error("file not found");
return 0;
}
Texture2D texture;
try
{
texture = Texture2D.FromFile(Capy64.Instance.Drawing.Canvas.GraphicsDevice, path);
}
catch (Exception e)
{
L.Error(e.Message);
return 0;
}
var data = new uint[texture.Width * texture.Height];
texture.GetData(data);
GPUBuffer.Push(L, data);
L.PushInteger(texture.Width);
L.PushInteger(texture.Height);
texture.Dispose();
return 3;
}
}