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Texture GetPixel implemented (#2320)

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This commit is contained in:
localcc
2021-12-13 02:09:02 +02:00
committed by GitHub
parent c94e49ed08
commit 2d4ddd8bd1
4 changed files with 43 additions and 3 deletions
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11
Robust.Client/Graphics/AtlasTexture.cs
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@@ -1,4 +1,4 @@
using JetBrains.Annotations;
using JetBrains.Annotations;
using Robust.Shared.Maths;
using Robust.Shared.Utility;
@@ -31,5 +31,14 @@ namespace Robust.Client.Graphics
/// Our sub region within our source, in pixel coordinates.
/// </summary>
public UIBox2 SubRegion { get; }
public override Color GetPixel(int x, int y)
{
DebugTools.Assert(x < SubRegion.Right);
DebugTools.Assert(y < SubRegion.Top);
int xTranslated = x + (int) SubRegion.Left;
int yTranslated = y + (int) SubRegion.Top;
return this.SourceTexture[xTranslated, yTranslated];
}
}
}

23
Robust.Client/Graphics/Clyde/Clyde.Textures.cs
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@@ -2,6 +2,7 @@ using System;
using System.Buffers;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Runtime.InteropServices;
using System.Threading;
@@ -11,6 +12,7 @@ using Robust.Shared.Maths;
using Robust.Shared.Utility;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using Color = Robust.Shared.Maths.Color;
using OGLTextureWrapMode = OpenToolkit.Graphics.OpenGL.TextureWrapMode;
using PIF = OpenToolkit.Graphics.OpenGL4.PixelInternalFormat;
using PF = OpenToolkit.Graphics.OpenGL4.PixelFormat;
@@ -146,7 +148,7 @@ namespace Robust.Client.Graphics.Clyde
CheckGlError();
ApplySampleParameters(loadParams.SampleParameters);
var (pif, _, _) = PixelEnums<T>(loadParams.Srgb);
var (pif, pf, pt) = PixelEnums<T>(loadParams.Srgb);
var pixelType = typeof(T);
var texPixType = GetTexturePixelType<T>();
var isActuallySrgb = false;
@@ -633,6 +635,25 @@ namespace Robust.Client.Graphics.Clyde
return $"ClydeTexture: ({TextureId})";
}
public override Color GetPixel(int x, int y)
{
if (!_clyde._loadedTextures.TryGetValue(TextureId, out var loaded))
{
throw new DataException("Texture not found");
}
Span<byte> rgba = stackalloc byte[4];
unsafe
{
fixed (byte* p = rgba)
{
GL.GetTextureImage(loaded.OpenGLObject.Handle, 0, PF.Rgba, PT.UnsignedByte, 4, (IntPtr) p);
}
}
return new Color(rgba[0], rgba[1], rgba[2], rgba[3]);
}
}
public Texture GetStockTexture(ClydeStockTexture stockTexture)

7
Robust.Client/Graphics/Clyde/ClydeHeadless.cs
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@@ -1,4 +1,4 @@
using System;
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
@@ -383,6 +383,11 @@ namespace Robust.Client.Graphics.Clyde
{
// Just do nothing on mutate.
}
public override Color GetPixel(int x, int y)
{
return Color.Black;
}
}
private sealed class DummyShaderInstance : ShaderInstance

5
Robust.Client/Graphics/Texture.cs
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@@ -7,6 +7,7 @@ using Robust.Shared.Utility;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using YamlDotNet.RepresentationModel;
using Color = Robust.Shared.Maths.Color;
namespace Robust.Client.Graphics
{
@@ -31,6 +32,8 @@ namespace Robust.Client.Graphics
/// </summary>
public Vector2i Size { get; /*protected set;*/ }
public Color this[int x, int y] => this.GetPixel(x, y);
protected Texture(Vector2i size)
{
Size = size;
@@ -104,6 +107,8 @@ namespace Robust.Client.Graphics
return this;
}
public abstract Color GetPixel(int x, int y);
}
/// <summary>