Added support for Cube Textures, Improved dds import (and textures in general), Texture refactoring and DX11 DeviceContext synchronization

GlitchyEditor/content/Textures/test_skybox.dds.ass

@@ -0,0 +1,24 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_isSrgb = true,
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -Infinity,
+			MipMaxLOD = Infinity,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/src/Assets/Importers/DdsImporter.bf

@@ -0,0 +1,526 @@
+using System.IO;
+using System;
+using GlitchyEngine;
+using System.Collections;
+
+namespace GlitchyEditor.Assets.Importers;
+
+// Based on https://github.com/Diron-P/DDSReader/blob/main/dds_loader.h
+
+public struct LoadedSurface
+{
+	public Span<uint8> Data;
+	public uint32 Pitch;
+	public uint32 SlicePitch;
+
+	public int ArrayIndex;
+	public int CubeFace;
+	public int MipLevel;
+}
+
+public struct LoadedTextureInfo
+{
+	public enum Dimension
+	{
+		Unknown,
+		Texture1D,
+		Texture2D,
+		Texture3D
+	}
+
+	public uint8[] PixelData = null;
+	public DirectX.DXGI.Format PixelFormat = .Unknown;
+	public int MipMapCount = 0;
+	public int ArraySize = 0;
+	public Dimension Dimension = .Unknown;
+	public bool IsCubeMap;
+
+	public int Width;
+	public int Height;
+	public int Depth;
+}
+
+static class DdsImporter
+{
+	private const uint32 MagicWord = 0x20534444; // 'DDS 
+
+	public enum LoadError
+	{
+		Unknown,
+		WrongMagicWord,
+		StreamReadFailed
+	}
+
+	private enum HeaderFlags : uint32
+	{
+		/// Required in every .dds file.
+		DDSD_CAPS = 0x1,
+		/// Required in every .dds file.
+		DDSD_HEIGHT = 0x2,
+		/// Required in every .dds file.
+		DDSD_WIDTH = 0x4,
+		/// Required in every .dds file.
+		DDSD_PITCH = 0x8,
+		/// Required in every .dds file.
+		DDSD_PIXELFORMAT = 0x1000,
+		/// Required in a mipmapped texture.
+		DDSD_MIPMAPCOUNT = 0x20000,
+		/// Required when pitch is provided for a compressed texture.
+		DDSD_LINEARSIZE = 0x80000,
+		///  	Required in a depth texture.
+		DDSD_DEPTH = 0x800000
+	}
+
+	private enum Caps1 : uint32
+	{
+		/// Should be set, when the file contains multiple surfaces (e.g. Cubemaps or Mipmaps).
+		Complex = 0x8,
+		/// Should be set, if the file contains mipmaps.
+		MipMap = 0x400000,
+		/// Should always be set.
+		Texture = 0x1000
+	}
+
+	[AllowDuplicates]
+	private enum Caps2 : uint32
+	{
+		Cubemap = 0x200,
+		Cubemap_PositiveX = 0x400,
+		Cubemap_NegativeX = 0x800,
+		Cubemap_X = Cubemap_PositiveX | Cubemap_NegativeX,
+		Cubemap_PositiveY = 0x1000,
+		Cubemap_NegativeY = 0x2000,
+		Cubemap_Y = Cubemap_PositiveY | Cubemap_NegativeY,
+		Cubemap_PositiveZ = 0x4000,
+		Cubemap_NegativeZ = 0x8000,
+		Cubemap_Z = Cubemap_PositiveZ | Cubemap_NegativeZ,
+		/// This is the flag that should be set for Cubemaps in DX10+
+		Cubemap_AllFaces = Cubemap | Cubemap_X | Cubemap_Y | Cubemap_Z,
+
+		Volume = 0x200000,
+	}
+
+	[CRepr]
+	private struct DdsHeader
+	{
+		/// Size of this structure. This member must be set to 124.
+		private uint32 Size;
+		/// Flags to indicate which members contain valid data.
+		public HeaderFlags Flags;
+		/// Surface height (in pixels).
+		public uint32 Height;
+		/// Surface width (in pixels).
+		public uint32 Width;
+		public uint32 PitchOrLinearSize;
+		/// Depth of a volume texture (in pixels), otherwise unused.
+		public uint32 Depth;
+		/// Number of mipmap levels, otherwise unused.
+		public uint32 MipMapCount;
+		/// Unused.
+		private uint32[11] Reserved1;
+		/// The pixel format.
+		public DdsPixelFormat PixelFormat;
+		public Caps1 Caps;
+		public Caps2 Caps2;
+		/// Unused.
+		private uint32 dwCaps3;
+		/// Unused.
+		private uint32 dwCaps4;
+		/// Unused.
+		private uint32 dwReserved2;
+	}
+
+	private enum SurfaceType : uint32
+	{
+		/// Texture contains alpha data; dwRGBAlphaBitMask contains valid data.
+		AlphaPixels = 0x1,
+		/// Used in some older DDS files for alpha channel only uncompressed data (dwRGBBitCount contains the alpha channel bitcount; dwABitMask contains valid data)
+		Alpha = 0x2,
+
+		/// Texture contains compressed RGB data; dwFourCC contains valid data.
+		FourCC = 0x4,
+		/// Texture contains uncompressed RGB data; dwRGBBitCount and the RGB masks (dwRBitMask, dwGBitMask, dwBBitMask) contain valid data.
+		RGB = 0x40,
+
+		RGBA = RGB | AlphaPixels,
+
+		/// Used in some older DDS files for YUV uncompressed data (dwRGBBitCount contains the YUV bit count;
+		/// dwRBitMask contains the Y mask, dwGBitMask contains the U mask, dwBBitMask contains the V mask)
+		YUV = 0x200,
+
+		/// Used in some older DDS files for single channel color uncompressed data (dwRGBBitCount contains the luminance channel bit count;
+		/// dwRBitMask contains the channel mask). Can be combined with DDPF_ALPHAPIXELS for a two channel DDS file.
+		Luminance = 0x20000
+	}
+
+	private static uint32 MakeFourCC(char8 c0, char8 c1, char8 c2, char8 c3)
+	{
+		return ((uint32)c3 << 24 | (uint32) c2 << 16 | (uint32) c1 << 8 | (uint32) c0);
+	}
+
+	/*private enum FourCC : uint32
+	{
+		DXT1 = MakeFourCC('D', 'X', 'T', '1'),
+		DXT2 = MakeFourCC('D', 'X', 'T', '2'),
+		DXT3 = MakeFourCC('D', 'X', 'T', '3'),
+		DXT4 = MakeFourCC('D', 'X', 'T', '4'),
+		DXT5 = MakeFourCC('D', 'X', 'T', '5'),
+		/// indicates the prescense of the DDS_HEADER_DXT10 extended header
+		DX10 = MakeFourCC('D', 'X', '1', '0'),
+	}*/
+
+	[CRepr]
+	private struct DdsPixelFormat
+	{
+		/// Structure size; set to 32 (bytes).
+		private uint32 Size;
+		/// Values which indicate what type of data is in the surface.
+		public SurfaceType SurfaceType;
+		public uint32 FourCC;
+		/// Number of bits in an RGB (possibly including alpha) format. Valid when dwFlags includes DDPF_RGB, DDPF_LUMINANCE, or DDPF_YUV.
+		public uint32 RGBBitCount;
+		/// Red (or luminance or Y) mask for reading color data. For instance, given the A8R8G8B8 format, the red mask would be 0x00ff0000.
+		public uint32 RBitMask;
+		/// Green (or U) mask for reading color data. For instance, given the A8R8G8B8 format, the green mask would be 0x0000ff00.
+		public uint32 GBitMask;
+		/// Blue (or V) mask for reading color data. For instance, given the A8R8G8B8 format, the blue mask would be 0x000000ff.
+		public uint32 BBitMask;
+		/// Alpha mask for reading alpha data. dwFlags must include DDPF_ALPHAPIXELS or DDPF_ALPHA. For instance, given the A8R8G8B8 format, the alpha mask would be 0xff000000.
+		public uint32 ABitMask;
+	}
+
+	public enum ResourceDimensions : uint32
+	{
+		Texture1D = 2,
+		Texture2D = 3,
+		Texture3D = 4
+	}
+
+	public enum MiscFlags : uint32
+	{
+		TextureCube = 0x4,
+	}
+
+	public enum AlphaMode : uint32
+	{
+		Unknown = 0x0,
+		Straight = 0x1,
+		Premultiplied = 0x2,
+		Opaque = 0x3,
+		/// Any alpha channel content is being used as a 4th channel and is not intended to represent transparency (straight or premultiplied).
+		Custom = 0x4
+	}
+
+	/// DDS header extension to handle resource arrays, DXGI pixel formats that don't map to the legacy Microsoft DirectDraw pixel format structures, and additional metadata.
+	[CRepr]
+	private struct DdsDxt10Header
+	{
+		public DirectX.DXGI.Format PixelFormat;
+		public ResourceDimensions ResourceDimension;
+		public MiscFlags MiscFlags;
+		/// Number of elements in the array. For a 2D cubemap this is the number of cubes, so the file contains ArraySize * 6 2D textures.
+		/// For a 3D Texture this must be 1.
+		public uint32 ArraySize;
+
+		public AlphaMode AlphaMode;
+	}
+
+	private static Result<void, LoadError> DecodeHeader(Stream data, out DdsHeader header, out DdsDxt10Header? extendedHeader)
+	{
+		header = ?;
+		extendedHeader = null;
+
+		// Check the magic word
+		Result<uint32> magicWord = data.Read<uint32>();
+
+		if (magicWord case .Err)
+			return .Err(.StreamReadFailed);
+
+		if (magicWord != MagicWord)
+			return .Err(.WrongMagicWord);
+
+		// Load the header
+		Result<DdsHeader> headerResult = data.Read<DdsHeader>();
+
+		if (headerResult case .Err)
+			return .Err(.StreamReadFailed);
+
+		header = headerResult;
+
+		// If available, load the extended header
+		if (header.PixelFormat.SurfaceType.HasFlag(.FourCC) && header.PixelFormat.FourCC == MakeFourCC('D', 'X', '1', '0'))
+		{
+			Result<DdsDxt10Header> extendedHeaderResult = data.Read<DdsDxt10Header>();
+			
+			if (headerResult case .Err)
+				return .Err(.StreamReadFailed);
+
+			extendedHeader = extendedHeaderResult;
+		}
+
+		return .Ok;
+	}
+
+	private static bool IsBitMask(DdsPixelFormat ddspf, uint32 rBitMask, uint32 gBitMask, uint32 bBitMask, uint32 aBitMask)
+	{
+	  return ddspf.RBitMask == rBitMask && ddspf.GBitMask == gBitMask && ddspf.BBitMask == bBitMask && ddspf.ABitMask == aBitMask;
+	}
+
+	private static DirectX.DXGI.Format GetFormat(in DdsHeader header, in DdsDxt10Header? extendedheader, bool isSrgb)
+	{
+		if (extendedheader != null)
+			return extendedheader.Value.PixelFormat;
+
+		DdsPixelFormat pixelFormat = header.PixelFormat;
+
+		// Currently supports only basic dxgi formats.
+		if (pixelFormat.SurfaceType.HasFlag(.RGBA))
+		{
+			switch (pixelFormat.RGBBitCount)
+			{
+			case 32:
+				if (IsBitMask(pixelFormat, 0xFF, 0xFF00, 0xFF0000, 0xFF000000))
+					return isSrgb ? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm;
+
+				if (IsBitMask(pixelFormat, 0xffff, 0xffff0000, 0x0, 0x0))
+					return .R16G16_UNorm;
+
+				if (IsBitMask(pixelFormat, 0x3ff, 0xffc00, 0x3ff00000, 0x0))
+					return .R10G10B10A2_UNorm;
+			case 16:
+				if (IsBitMask(pixelFormat, 0x7c00, 0x3e0, 0x1f, 0x8000))
+					return .B5G5R5A1_UNorm;
+			default:
+				return .Unknown;
+			}
+		}
+
+		if (pixelFormat.SurfaceType.HasFlag(.RGB))
+		{
+			switch (pixelFormat.RGBBitCount)
+			{
+			case 32:
+				if (IsBitMask(pixelFormat, 0xffff, 0xffff0000, 0x0, 0x0))
+					return .R16G16_UNorm;
+				break;
+			case 16:
+				if (IsBitMask(pixelFormat, 0xf800, 0x7e0, 0x1f, 0x0))
+					return .B5G6R5_UNorm;
+				break;
+			default:
+				return .Unknown;
+			}
+		}
+
+		if (pixelFormat.SurfaceType.HasFlag(.FourCC))
+		{
+			switch (pixelFormat.FourCC)
+			{
+			case MakeFourCC('D', 'X', 'T', '1'):
+				return isSrgb ? .BC1_UNorm_SRGB : .BC1_UNorm;
+			case MakeFourCC('D', 'X', 'T', '3'):
+				return isSrgb ? .BC2_UNorm_SRGB : .BC2_UNorm;
+			case MakeFourCC('D', 'X', 'T', '5'):
+				return isSrgb ? .BC3_UNorm_SRGB : .BC3_UNorm;
+			  // Legacy compression formats.
+			case MakeFourCC('B', 'C', '4', 'U'), MakeFourCC('A', 'T', 'I', '1'):
+				return .BC4_UNorm;
+			case MakeFourCC('A', 'T', 'I', '2'):
+				return .BC5_UNorm;
+			case MakeFourCC('R', 'G', 'B', 'G'):
+				return .R8G8_B8G8_UNorm;
+			case MakeFourCC('G', 'R', 'G', 'B'):
+				return .G8R8_G8B8_UNorm;
+			case 36:
+				return .R16G16B16A16_UNorm;
+			case 111:
+				return .R16_Float;
+			case 112:
+				return .R16G16_Float;
+			case 113:
+				return .R16G16B16A16_Float;
+			case 114:
+				return .R32_Float;
+			case 115:
+				return .R32G32_Float;
+			case 116:
+				return .R32G32B32A32_Float;
+			default:
+				return .Unknown;
+			}
+		}
+
+		return .Unknown;
+	}
+
+	public static Result<void, LoadError> LoadDds(Stream data, bool isSrgb, List<LoadedSurface> surfaces, out LoadedTextureInfo textureInfo)
+	{
+		textureInfo = .();
+
+		var headerResult = DecodeHeader(data, let header, let extendedHeader);
+
+		if (headerResult case .Err)
+			return headerResult;
+
+		int surfaceCount = 1;
+
+		if (header.Flags.HasFlag(.DDSD_MIPMAPCOUNT) || header.MipMapCount != 0)
+		{
+			if (header.MipMapCount == 0)
+				Log.EngineLogger.Warning("Mipmap count is zero, even though the flags say it shouldn't.");
+			
+			if (!header.Flags.HasFlag(.DDSD_MIPMAPCOUNT))
+				Log.EngineLogger.Warning("Mipmap count is not zero, even though the mipmap count flag isn't set.");
+
+			textureInfo.MipMapCount = header.MipMapCount;
+			surfaceCount *= textureInfo.MipMapCount;
+		}
+		else
+		{
+			textureInfo.MipMapCount = 1;
+		}
+
+		if (extendedHeader != null)
+		{
+			textureInfo.ArraySize = extendedHeader.Value.ArraySize;
+			surfaceCount *= textureInfo.ArraySize;
+		}
+		else
+		{
+			textureInfo.ArraySize = 1;
+		}
+
+		if (header.Caps2.HasFlag(.Cubemap))
+		{
+			if (!header.Caps2.HasFlag(.Cubemap_AllFaces))
+				Log.EngineLogger.Warning("Texture might only contains partial cubemap, this is not allowed. (Defined Cubemap-Flag, but not all cubemap faces)");
+
+			surfaceCount *= 6;
+			textureInfo.IsCubeMap = true;
+		}
+		
+		textureInfo.PixelFormat = GetFormat(header, extendedHeader, isSrgb);
+
+		textureInfo.Width = header.Width;
+		textureInfo.Height = header.Height;
+		textureInfo.Depth = header.Depth;
+
+		switch (extendedHeader?.ResourceDimension)
+		{
+		case .Texture1D:
+			textureInfo.Dimension = .Texture1D;
+		case .Texture2D:
+			textureInfo.Dimension = .Texture2D;
+		case .Texture3D:
+			textureInfo.Dimension = .Texture3D;
+		case null:
+			if (header.Flags.HasFlag(.DDSD_DEPTH))
+				textureInfo.Dimension = .Texture3D;
+			else
+				textureInfo.Dimension = .Texture2D;
+		}
+
+		// Make sure we have enough space in the list (avoid allocations later)
+		surfaces.Reserve(surfaceCount);
+
+		uint32 scanLineSize = 0;
+		uint32 slicePitch = 0;
+		uint32 numBytes = 0;
+		uint32 blockSize = 0; // Block size in bytes.
+
+		switch (textureInfo.PixelFormat)
+		{
+		case .BC1_UNorm, .BC1_UNorm_SRGB, .BC4_UNorm:
+			blockSize = 8;
+		case .BC2_UNorm, .BC2_UNorm_SRGB, .BC3_UNorm, .BC3_UNorm_SRGB, .BC5_UNorm:
+			blockSize = 16;
+		default:
+		}
+
+		uint32 width = 0;
+		uint32 height = 0;
+		uint32 depth = 0;
+
+		uint32 index = 0;
+
+		uint offset = 0;
+
+		for (uint32 arrayIndex = 0; arrayIndex < textureInfo.ArraySize; arrayIndex++)
+		{
+			for (uint32 cubeFace = 0; cubeFace < (textureInfo.IsCubeMap ? 6 : 1); cubeFace++)
+			{
+				width = header.Width;
+				height = header.Height;
+				depth = header.Depth;
+
+				for (uint32 mipLevel = 0; mipLevel < textureInfo.MipMapCount; ++mipLevel)
+				{
+					// This will recalculate te pitch of the main image as well.
+					if (header.Flags.HasFlag(.DDSD_LINEARSIZE))
+					{
+						// compressed textures
+						scanLineSize = Math.Max(1, ((width + 3u) / 4u)) * blockSize;
+						uint32 numScanLines = Math.Max(1, ((height + 3u) / 4u));
+						numBytes = scanLineSize * numScanLines;
+					}
+					else if (header.Flags.HasFlag(.DDSD_PITCH))
+					{
+						// uncompressed data
+						scanLineSize = (width * header.PixelFormat.RGBBitCount + 7u) / 8u;
+						numBytes = scanLineSize * height;
+					}
+
+					LoadedSurface surface = .();
+					// We don't know how large data-array is, so we don't have one yet.
+					// Only save the offset, we will adjust the pointer later.
+					surface.Data = Span<uint8>((uint8*)(void*)offset, numBytes);
+					surface.Pitch = scanLineSize;
+					surface.SlicePitch = slicePitch;
+					
+					surface.ArrayIndex = arrayIndex;
+					surface.CubeFace = cubeFace;
+					surface.MipLevel = mipLevel;
+
+					surfaces.Add(surface);
+
+					++index;
+
+					width >>= 1;
+					height >>= 1;
+					depth >>= 1;
+
+					if (width == 0)
+					{
+						width = 1;
+					}
+
+					if (height == 0)
+					{
+						height = 1;
+					}
+
+					offset += numBytes;
+				}
+			}
+		}
+
+		textureInfo.PixelData = new uint8[offset];
+
+		Result<int> pixelDataResult = data.TryRead(textureInfo.PixelData);
+
+		if (pixelDataResult case .Err)
+		{
+			delete textureInfo.PixelData;
+			return .Err(.StreamReadFailed);
+		}
+		
+		for (ref LoadedSurface surface in ref surfaces)
+		{
+			// Data pointer so far only has the offset inside the array.
+			// Move the pointer, so that it is inside the array.
+			surface.Data.Ptr += (uint)(void*)textureInfo.PixelData.Ptr;
+		}
+
+		return .Ok;
+	}
+}

GlitchyEditor/src/Assets/MaterialAssetLoader.bf

@@ -347,6 +347,7 @@ class MaterialAssetLoader : IAssetLoader, IAssetSaver //, IReloadingAssetLoader
 
 		for (let (slotName, textureIdentifier) in materialFile.Textures)
 		{
+
 			AssetHandle<Texture> texture = contentManager.LoadAsset(textureIdentifier);
 
 			if (texture.IsInvalid)
@@ -402,7 +403,7 @@ class MaterialAssetLoader : IAssetLoader, IAssetSaver //, IReloadingAssetLoader
 
 		for (let (slotName, texture) in material.[Friend]_textures)
 		{
-			Texture textureAsset = texture.Get();
+			Texture textureAsset = texture.Handle.Get();
 
 			materialFile.Textures.Add(new String(slotName), new String(textureAsset?.Identifier ?? ""));
 		}

GlitchyEditor/src/Assets/TextureAssetLoader.bf

@@ -8,6 +8,7 @@ using GlitchyEngine.Renderer;
 using GlitchyEngine.Math;
 using DirectXTK;
 using ImGui;
+using GlitchyEditor.Assets.Importers;
 
 namespace GlitchyEditor.Assets;
 
@@ -233,19 +234,34 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 	private static Texture LoadTexture(Stream data, EditorTextureAssetLoaderConfig config)
 	{
 		Debug.Profiler.ProfileResourceFunction!();
+
+		List<LoadedSurface> surfaces = scope .();
+		LoadedTextureInfo textureInfo;
 		
-		Texture texture = null;
+		// Make sure we clean up the pixel data
+		defer { delete textureInfo.PixelData; }
+
 
 		switch(GetTextureType(data))
 		{
 		case .DDS:
-			texture = LoadDds(data, config);
+			Result<void> result = LoadDds(data, config, surfaces, out textureInfo);
+
+			if (result case .Err)
+				return null;
+
 		case .PNG:
-			texture = LoadPng(data, config);
+			Result<void> result = LoadPng(data, config, surfaces, out textureInfo);
+			
+			if (result case .Err)
+				return null;
+
 		case .Unknown:
 			Log.EngineLogger.Error("Unknown texture format.");
-			texture = null;
+			return null;
 		}
+		
+		Texture texture = CreateTexture(surfaces, textureInfo);
 
 		if (texture != null)
 		{
@@ -256,9 +272,74 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 		return texture;
 	}
 
-	private static Texture2D LoadPng(Stream data, EditorTextureAssetLoaderConfig config)
+	private static Texture CreateTexture(List<LoadedSurface> surfaces, LoadedTextureInfo textureInfo)
+	{
+		switch (textureInfo.Dimension)
+		{
+		//case .Texture1D:
+		case .Texture2D:
+			if (textureInfo.IsCubeMap)
+			{
+				Texture2DDesc staging = .();
+				
+				staging.Width = (.)textureInfo.Width;
+				staging.Height = (.)textureInfo.Height;
+
+				staging.MipLevels = (.)textureInfo.MipMapCount;
+				staging.ArraySize = (.)textureInfo.ArraySize;
+
+				staging.Format = textureInfo.PixelFormat;
+
+				// TODO: allow enabling read/write
+				staging.CpuAccess = .None;
+				staging.Usage = .Default;
+
+				TextureCube cubeTexture = new TextureCube(staging);
+
+				for (let surface in surfaces)
+				{
+					cubeTexture.SetData(surface.Data.Ptr, surface.Pitch / staging.Width, (TextureCubeFace)surface.CubeFace, (.)surface.ArrayIndex, (.)surface.MipLevel);
+				}
+				
+				return cubeTexture;
+			}
+			else
+			{
+				Texture2DDesc staging = .();
+				
+				staging.Width = (.)textureInfo.Width;
+				staging.Height = (.)textureInfo.Height;
+
+				staging.MipLevels = (.)textureInfo.MipMapCount;
+				staging.ArraySize = (.)textureInfo.ArraySize;
+
+				staging.Format = textureInfo.PixelFormat;
+
+				// TODO: allow enabling read/write
+				staging.CpuAccess = .None;
+				staging.Usage = .Default;
+
+				Texture2D stagingTexture = new Texture2D(staging);
+
+				for (let surface in surfaces)
+				{
+					stagingTexture.[Friend]PlatformSetData(surface.Data.Ptr, surface.Pitch / staging.Width, 0, 0, staging.Width, staging.Height, (.)surface.ArrayIndex, (.)surface.MipLevel, .Write);
+				}
+				
+				return stagingTexture;
+			}
+		default:
+			Runtime.NotImplemented();
+		}
+
+		return null;
+	}
+
+	private static Result<void> LoadPng(Stream data, EditorTextureAssetLoaderConfig config, List<LoadedSurface> surfaces, out LoadedTextureInfo textureInfo)
 	{
 		Debug.Profiler.ProfileResourceFunction!();
+		
+		textureInfo = .();
 
 		uint8[] pngData = new:ScopedAlloc! uint8[data.Length];
 
@@ -267,7 +348,7 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 		if (result case .Err(let err))
 		{
 			Log.EngineLogger.Error($"Failed to read data from stream. Texture: Error: {err}");
-			return null;
+			return .Err;
 		}
 
 		uint8* rawData = null;
@@ -285,25 +366,55 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 			if (errorCode != 0)
 			{
 				Log.EngineLogger.Error($"Failed to decode PNG file {errorCode}.");
-				return null;
+				return .Err;
 			}
 		}
 
-		Texture2DDesc desc = .(width, height, config.IsSRGB ? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm, 1, 1, .Immutable);
-		Texture2D texture = new Texture2D(desc);
-		texture.SetData<Color>((.)rawData);
+		uint8[] pixelData = new uint8[4 * width * height];
+		Internal.MemCpy(pixelData.Ptr, rawData, pixelData.Count);
+
+		LoadedSurface surface = .();
+		surface.Data = Span<uint8>(pixelData);
+		surface.Pitch = 4 * width;
+		surface.SlicePitch = 0;
+		surface.ArrayIndex = 0;
+		surface.MipLevel = 0;
+
+		surfaces.Add(surface);
+
+		//Texture2DDesc desc = .(width, height, config.IsSRGB ? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm, 1, 1, .Immutable);
+		//Texture2D texture = new Texture2D(desc);
+		//texture.SetData<Color>((.)rawData);
 
 		// TODO: Generate mip maps
 
-		return texture;
+		textureInfo.PixelData = pixelData;
+		textureInfo.Width = width;
+		textureInfo.Height = height;
+		textureInfo.Depth = 1;
+
+		textureInfo.ArraySize = 1;
+		textureInfo.MipMapCount = 1;
+
+		textureInfo.Dimension = .Texture2D;
+
+		textureInfo.IsCubeMap = false;
+
+		textureInfo.PixelFormat = config.IsSRGB ? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm;
+
+		return .Ok;
+
+		//return texture;
 	}
 
-	private static Texture LoadDds(Stream data, EditorTextureAssetLoaderConfig config)
+	private static Result<void> LoadDds(Stream data, EditorTextureAssetLoaderConfig config, List<LoadedSurface> surfaces, out LoadedTextureInfo textureInfo)
 	{
-		// TODO: Move the loading of Dds files here.
-		Texture2D texture = new [Friend]Texture2D(data);
+		var result = DdsImporter.LoadDds(data, config.IsSRGB, surfaces, out textureInfo);
 
-		return texture;
+		if (result case .Err)
+			return .Err;
+
+		return .Ok;
 	}
 	
 	private static void SetSampler(Texture texture, EditorTextureAssetLoaderConfig config)
@@ -315,12 +426,38 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 	}
 
 	private static Texture2D _placeholder2D;
+	private static TextureCube _placeholderCube;
+
 	private static Texture2D _error2D;
+	private static TextureCube _errorCube;
 
 	public Asset GetPlaceholderAsset(Type assetType)
 	{
 		switch (assetType)
 		{
+		case typeof(TextureCube):
+			if (_placeholderCube == null)
+			{
+				// TODO: immutable
+				Texture2DDesc desc = .(1, 1, .R8G8B8A8_UNorm, 1, 1, .Default, .None);
+
+				_placeholderCube = new TextureCube(desc);
+				_placeholderCube.SamplerState = SamplerStateManager.PointWrap;
+				Color color = Color.Cyan;
+				_placeholderCube.SetData<Color>(&color, .PositiveX);
+				_placeholderCube.SetData<Color>(&color, .NegativeX);
+				_placeholderCube.SetData<Color>(&color, .PositiveY);
+				_placeholderCube.SetData<Color>(&color, .NegativeY);
+				_placeholderCube.SetData<Color>(&color, .PositiveZ);
+				_placeholderCube.SetData<Color>(&color, .NegativeZ);
+
+				Content.ManageAsset(_placeholderCube);
+				_placeholderCube.ReleaseRef();
+
+				_placeholderCube.[Friend]Complete = false;
+			}
+
+			return _placeholderCube;
 		case typeof(Texture2D):
 			fallthrough;
 		default:
@@ -347,6 +484,31 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 	{
 		switch (assetType)
 		{
+		case typeof(TextureCube):
+			if (_placeholderCube == null)
+			{
+				// TODO: immutable
+				Texture2DDesc desc = .(2, 2, .R8G8B8A8_UNorm, 1, 1, .Default, .None);
+
+				_errorCube = new TextureCube(desc);
+				_errorCube.SamplerState = SamplerStateManager.PointWrap;
+				
+				Color[4] color = .(Color.HotPink, Color.Black, Color.Black, Color.HotPink);
+
+				_errorCube.SetData<Color>(&color, .PositiveX);
+				_errorCube.SetData<Color>(&color, .NegativeX);
+				_errorCube.SetData<Color>(&color, .PositiveY);
+				_errorCube.SetData<Color>(&color, .NegativeY);
+				_errorCube.SetData<Color>(&color, .PositiveZ);
+				_errorCube.SetData<Color>(&color, .NegativeZ);
+
+				Content.ManageAsset(_errorCube);
+				_errorCube.ReleaseRef();
+
+				_errorCube.[Friend]Complete = false;
+			}
+
+			return _placeholderCube;
 		case typeof(Texture2D):
 			fallthrough;
 		default:
@@ -356,7 +518,9 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
 
 				_error2D = new Texture2D(desc);
 				_error2D.SamplerState = SamplerStateManager.PointWrap;
+				
 				Color[4] color = .(Color.HotPink, Color.Black, Color.Black, Color.HotPink);
+
 				_error2D.SetData<Color>(&color);
 
 				Content.ManageAsset(_error2D);

GlitchyEngine/src/ImGui/ImGuiLayer.bf

@@ -142,7 +142,11 @@ namespace GlitchyEngine.ImGui
 			RenderCommand.BindRenderTargets();
 
 #if GE_GRAPHICS_DX11
-			ImGuiImplDX11.RenderDrawData(ImGui.GetDrawData());
+			
+			using (ContextMonitor.Enter())
+			{
+				ImGuiImplDX11.RenderDrawData(ImGui.GetDrawData());
+			}
 #endif
 
 			ImGui.CleanupFrame();

GlitchyEngine/src/Platform/DX11/Dx11Platform.bf

@@ -8,6 +8,7 @@ using DirectX.Common;
 using DirectX.D3D11;
 using DirectX.D3D11.SDKLayers;
 using System.Diagnostics;
+using System.Threading;
 
 namespace GlitchyEngine.Platform.DX11
 {
@@ -18,6 +19,8 @@ namespace GlitchyEngine.Platform.DX11
 		protected internal static ID3D11Device* NativeDevice;
 		protected internal static ID3D11DeviceContext* NativeContext;
 
+		protected internal static Monitor ContextMonitor = new Monitor() ~ delete _;
+
 #if DEBUG	
 		protected internal static ID3D11Debug* DebugDevice;
 #endif
@@ -42,7 +45,10 @@ namespace GlitchyEngine.Platform.DX11
 				HResult deviceResult;
 				{
 					Debug.Profiler.ProfileScope!("D3D11.CreateDevice");
-					deviceResult = D3D11.CreateDevice(null, .Hardware, 0, deviceFlags, levels, &NativeDevice, &deviceLevel, &NativeContext);
+					using (ContextMonitor.Enter())
+					{
+						deviceResult = D3D11.CreateDevice(null, .Hardware, 0, deviceFlags, levels, &NativeDevice, &deviceLevel, &NativeContext);
+					}
 				}
 				
 				Log.EngineLogger.Assert(deviceResult.Succeeded, scope $"Failed to create D3D11 Device. Message({(int32)deviceResult}): {deviceResult}");

GlitchyEngine/src/Platform/DX11/Renderer/Dx11Buffer.bf

@@ -100,14 +100,24 @@ namespace GlitchyEngine.Renderer
 			{
 			case .Default:
 				Box dataBox = .(dstByteOffset, 0, 0, dstByteOffset + byteLength, 1, 1);
-				NativeContext.UpdateSubresource(nativeBuffer, 0, &dataBox, data, byteLength, byteLength);
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.UpdateSubresource(nativeBuffer, 0, &dataBox, data, byteLength, byteLength);
+				}
 			case .Dynamic:
 				Log.EngineLogger.Assert(mapType == .WriteDiscard || mapType == .WriteNoOverwrite, scope $"When writing to dynamic resources the map type must be {nameof(Renderer.MapType.WriteDiscard)} or {nameof(Renderer.MapType.WriteNoOverwrite)}.");
 				// Todo: DoNotWaitFlag
 				MappedSubresource map = ?;
-				NativeContext.Map(nativeBuffer, 0, (.)mapType, .None, &map);
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.Map(nativeBuffer, 0, (.)mapType, .None, &map);
+				}
 				Internal.MemCpy(((uint8*)map.Data) + dstByteOffset, data, byteLength);
-				NativeContext.Unmap(nativeBuffer, 0);
+				
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.Unmap(nativeBuffer, 0);
+				}
 			case .Immutable:
 				Log.EngineLogger.Error("Can't set the data of an immutable resource.");
 				return .Err;

GlitchyEngine/src/Platform/DX11/Renderer/Dx11GeometryBinding.bf

@@ -80,13 +80,16 @@ namespace GlitchyEngine.Renderer
 		public override void Bind()
 		{
 			Debug.Profiler.ProfileRendererFunction!();
-
-			NativeContext.InputAssembler.SetVertexBuffers(0, nativeBuffers.Count, &nativeBuffers, &bufferStrides, &bufferOffsets);
-			GraphicsContext.Get().SetVertexLayout(_vertexLayout);
-			NativeContext.InputAssembler.SetPrimitiveTopology((.)_primitiveTopology);
-
-			if(_indexBuffer != null)
-				NativeContext.InputAssembler.SetIndexBuffer(_indexBuffer.nativeBuffer, _indexBuffer.Format == .Index32Bit ? .R32_UInt : .R16_UInt, _indexByteOffset);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.InputAssembler.SetVertexBuffers(0, nativeBuffers.Count, &nativeBuffers, &bufferStrides, &bufferOffsets);
+				GraphicsContext.Get().SetVertexLayout(_vertexLayout);
+				NativeContext.InputAssembler.SetPrimitiveTopology((.)_primitiveTopology);
+	
+				if(_indexBuffer != null)
+					NativeContext.InputAssembler.SetIndexBuffer(_indexBuffer.nativeBuffer, _indexBuffer.Format == .Index32Bit ? .R32_UInt : .R16_UInt, _indexByteOffset);
+			}
 		}
 
 		public override void Unbind()
@@ -96,12 +99,15 @@ namespace GlitchyEngine.Renderer
 			ID3D11Buffer*[nativeBuffers.Count] nullBuffers = .();
 			uint32[nativeBuffers.Count] zeroStrides = .();
 			uint32[nativeBuffers.Count] zeroOffsets = .();
-
-			NativeContext.InputAssembler.SetVertexBuffers(0, nativeBuffers.Count, &nullBuffers, &zeroStrides, &zeroOffsets);
-			NativeContext.InputAssembler.SetInputLayout(null);
-			NativeContext.InputAssembler.SetPrimitiveTopology(.Undefined);
 			
-			NativeContext.InputAssembler.SetIndexBuffer(null, .R16_UNorm, 0);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.InputAssembler.SetVertexBuffers(0, nativeBuffers.Count, &nullBuffers, &zeroStrides, &zeroOffsets);
+				NativeContext.InputAssembler.SetInputLayout(null);
+				NativeContext.InputAssembler.SetPrimitiveTopology(.Undefined);
+				
+				NativeContext.InputAssembler.SetIndexBuffer(null, .R16_UNorm, 0);
+			}
 		}
 	}
 }

GlitchyEngine/src/Platform/DX11/Renderer/Dx11GraphicsContext.bf

@@ -158,19 +158,28 @@ namespace GlitchyEngine.Renderer
 
 		public override void BindRenderTargets()
 		{
-			NativeContext.OutputMerger.SetRenderTargets(MaxRTVCount, &_renderTargets, _depthStencilTarget);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.OutputMerger.SetRenderTargets(MaxRTVCount, &_renderTargets, _depthStencilTarget);
+			}
 		}
 
 		public override void ClearRenderTarget(RenderTarget2D renderTarget, ColorRGBA color)
 		{
-			NativeContext.ClearRenderTargetView((renderTarget ?? _swapChain.BackBuffer)._nativeRenderTargetView, color);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.ClearRenderTargetView((renderTarget ?? _swapChain.BackBuffer)._nativeRenderTargetView, color);
+			}
 		}
 
 		public override void SetVertexBuffer(uint32 slot, Buffer buffer, uint32 stride, uint32 offset = 0)
 		{
 			// make stride and offset mutable so that we can take their pointers.
 			var stride, offset;
-			NativeContext.InputAssembler.SetVertexBuffers(slot, 1, &buffer.nativeBuffer, &stride, &offset);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.InputAssembler.SetVertexBuffers(slot, 1, &buffer.nativeBuffer, &stride, &offset);
+			}
 		}
 
 		[Inline]
@@ -180,8 +189,11 @@ namespace GlitchyEngine.Renderer
 			{
 				_currentInputLayout = _currentVertexLayout.GetNativeVertexLayout(_currentVertexShader.nativeCode);
 				_currentInputLayout.AddRef();
-
-				NativeContext.InputAssembler.SetInputLayout(_currentInputLayout);
+				
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.InputAssembler.SetInputLayout(_currentInputLayout);
+				}
 			}
 		}
 
@@ -190,7 +202,7 @@ namespace GlitchyEngine.Renderer
 			Debug.Profiler.ProfileRendererFunction!();
 			
 			BindInputLayout();
-
+			
 			if (_hasVs)
 				NativeContext.VertexShader.SetConstantBuffers(0, _vsBuffers.Count, &_vsBuffers);
 
@@ -200,33 +212,48 @@ namespace GlitchyEngine.Renderer
 
 		public override void Draw(uint32 vertexCount, uint32 startVertexIndex = 0)
 		{
-			BindState();
-
-			NativeContext.Draw(vertexCount, startVertexIndex);
+			using (ContextMonitor.Enter())
+			{
+				BindState();
+	
+				NativeContext.Draw(vertexCount, startVertexIndex);
+			}
 		}
 
 		public override void DrawIndexed(uint32 indexCount, uint32 startIndexLocation = 0, int32 vertexOffset = 0)
 		{
-			BindState();
-
-			NativeContext.DrawIndexed(indexCount, startIndexLocation, vertexOffset);
+			using (ContextMonitor.Enter())
+			{
+				BindState();
+	
+				NativeContext.DrawIndexed(indexCount, startIndexLocation, vertexOffset);
+			}
 		}
 
 		public override void DrawIndexedInstanced(uint32 indexCountPerInstance, uint32 instanceCount, uint32 startIndexLocation, int32 baseVertexLocation, uint32 startInstanceLocation)
 		{
-			BindState();
-
-			NativeContext.DrawIndexedInstanced(indexCountPerInstance, instanceCount, startIndexLocation, baseVertexLocation, startInstanceLocation);
+			using (ContextMonitor.Enter())
+			{
+				BindState();
+	
+				NativeContext.DrawIndexedInstanced(indexCountPerInstance, instanceCount, startIndexLocation, baseVertexLocation, startInstanceLocation);
+			}
 		}
 
 		public override void SetIndexBuffer(Buffer buffer, IndexFormat indexFormat = .Index16Bit, uint32 byteOffset = 0)
 		{
-			NativeContext.InputAssembler.SetIndexBuffer(buffer.nativeBuffer, indexFormat == .Index32Bit ? .R32_UInt : .R16_UInt, byteOffset);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.InputAssembler.SetIndexBuffer(buffer.nativeBuffer, indexFormat == .Index32Bit ? .R32_UInt : .R16_UInt, byteOffset);
+			}
 		}
 
 		public override void SetViewports(uint32 viewportsCount, GlitchyEngine.Renderer.Viewport* viewports)
 		{
-			NativeContext.Rasterizer.SetViewports(viewportsCount, (.)viewports);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.Rasterizer.SetViewports(viewportsCount, (.)viewports);
+			}
 		}
 
 		public override void SetVertexLayout(VertexLayout vertexLayout)
@@ -241,7 +268,10 @@ namespace GlitchyEngine.Renderer
 
 		public override void SetPrimitiveTopology(GlitchyEngine.Renderer.PrimitiveTopology primitiveTopology)
 		{
-			NativeContext.InputAssembler.SetPrimitiveTopology((DirectX.Common.PrimitiveTopology)primitiveTopology);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.InputAssembler.SetPrimitiveTopology((DirectX.Common.PrimitiveTopology)primitiveTopology);
+			}
 		}
 
 		private uint32 _ps_FirstTexture;
@@ -343,19 +373,28 @@ namespace GlitchyEngine.Renderer
 		public override void UnbindTextures()
 		{
 			void** voidArray = scope void*[D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT]*;
-
-			NativeContext.PixelShader.SetShaderResources(0, D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT, (.)voidArray);
-			NativeContext.VertexShader.SetShaderResources(0, D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT, (.)voidArray);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.PixelShader.SetShaderResources(0, D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT, (.)voidArray);
+				NativeContext.VertexShader.SetShaderResources(0, D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT, (.)voidArray);
+			}
 		}
 
 		public override void BindVertexShader(VertexShader vertexShader)
 		{
-			BindShaderToStage(vertexShader);
+			using (ContextMonitor.Enter())
+			{
+				BindShaderToStage(vertexShader);
+			}
 		}
 
 		public override void BindPixelShader(PixelShader pixelShader)
 		{
-			BindShaderToStage(pixelShader);
+			using (ContextMonitor.Enter())
+			{
+				BindShaderToStage(pixelShader);
+			}
 		}
 
 		public override void BindConstantBuffer(Buffer buffer, int slot, ShaderStage stage)

GlitchyEngine/src/Platform/DX11/Renderer/Dx11RenderTarget.bf

@@ -443,12 +443,25 @@ namespace GlitchyEngine.Renderer
 			uint32 srcSubResource = D3D11.CalcSubresource(mipLevel, arraySlice, _mipLevels);
 
 			Box srcBox = .(x, y, arraySlice, x + width, y + height, arraySlice + 1);
-
-			NativeContext.CopySubresourceRegion(stagingTexture, 0, 0, 0, 0, texture, srcSubResource, &srcBox);
 			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.CopySubresourceRegion(stagingTexture, 0, 0, 0, 0, texture, srcSubResource, &srcBox);
+			}
+
 			MappedSubresource subresource = ?;
-			result = NativeContext.Map(stagingTexture, 0, .Read, .None, &subresource);
-			defer NativeContext.Unmap(stagingTexture, 0);
+			using (ContextMonitor.Enter())
+			{
+				result = NativeContext.Map(stagingTexture, 0, .Read, .None, &subresource);
+			}
+
+			defer
+			{
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.Unmap(stagingTexture, 0);
+				}
+			} 
 
 			if (result != 0)
 				return .Err;
@@ -474,8 +487,11 @@ namespace GlitchyEngine.Renderer
 			// TODO: Mips/Arrays
 
 			Box srcBox = .((.)srcTopLeft.X, (.)srcTopLeft.Y, 0, (.)(srcTopLeft.X + size.X), (.)(srcTopLeft.Y + size.Y), 1);
-
-			NativeContext.CopySubresourceRegion(dstTexture, 0, (.)dstTopLeft.X, (.)dstTopLeft.Y, 0, srcTexture, 0, &srcBox);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.CopySubresourceRegion(dstTexture, 0, (.)dstTopLeft.X, (.)dstTopLeft.Y, 0, srcTexture, 0, &srcBox);
+			}
 		}
 	}
 }

GlitchyEngine/src/Platform/DX11/Renderer/Dx11RendererAPI.bf

@@ -44,8 +44,11 @@ namespace GlitchyEngine.Renderer
 		public override void Clear(RenderTarget2D renderTarget, ColorRGBA color)
 		{
 			Debug.Profiler.ProfileRendererFunction!();
-
-			NativeContext.ClearRenderTargetView(RtOrBackbuffer!(renderTarget)._nativeRenderTargetView, color);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.ClearRenderTargetView(RtOrBackbuffer!(renderTarget)._nativeRenderTargetView, color);
+			}
 		}
 
 		public override void Clear(DepthStencilTarget target, ClearOptions clearOptions, float depth, uint8 stencil)
@@ -66,37 +69,43 @@ namespace GlitchyEngine.Renderer
 			{
 				flags |= .Stencil;
 			}
-
-			NativeContext.ClearDepthStencilView(target.nativeView, flags, depth, stencil);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.ClearDepthStencilView(target.nativeView, flags, depth, stencil);
+			}
 		}
 
 		private void ClearRtv(DirectX.D3D11.ID3D11RenderTargetView* rtv, ClearColor clearColor)
 		{
-			switch(clearColor)
+			using (ContextMonitor.Enter())
 			{
-			case .Color(let color):
-				NativeContext.ClearRenderTargetView(rtv, color);
-			case .UInt(let value):
-#unwarn
-				NativeContext.OutputMerger.SetRenderTargets(1, &rtv, null);
-
-				using (BlendState lastBlendState = _currentBlendState..AddRef())
+				switch(clearColor)
 				{
-					SetBlendState(_nonblendingState);
-
-					_clearUintFx.Variables["ClearValue"].SetData(value);
-					_clearUintFx.ApplyChanges();
-					_clearUintFx.Bind();
+				case .Color(let color):
+					NativeContext.ClearRenderTargetView(rtv, color);
+				case .UInt(let value):
+	#unwarn
+					NativeContext.OutputMerger.SetRenderTargets(1, &rtv, null);
 	
-					FullscreenQuad.Draw();
+					using (BlendState lastBlendState = _currentBlendState..AddRef())
+					{
+						SetBlendState(_nonblendingState);
+	
+						_clearUintFx.Variables["ClearValue"].SetData(value);
+						_clearUintFx.ApplyChanges();
+						_clearUintFx.Bind();
+		
+						FullscreenQuad.Draw();
+						
+						SetBlendState(lastBlendState);
+					}
 					
-					SetBlendState(lastBlendState);
+					// Rebind the old render targets
+					BindRenderTargets();
+				default:
+					Runtime.NotImplemented();
 				}
-				
-				// Rebind the old render targets
-				BindRenderTargets();
-			default:
-				Runtime.NotImplemented();
 			}
 		}
 
@@ -143,7 +152,10 @@ namespace GlitchyEngine.Renderer
 					clearDepth = depth ?? clearDepth;
 					clearStencil = stencil ?? clearStencil;
 
-					NativeContext.ClearDepthStencilView(renderTarget._nativeDepthTargetView, flags, clearDepth, clearStencil);
+					using (ContextMonitor.Enter())
+					{
+						NativeContext.ClearDepthStencilView(renderTarget._nativeDepthTargetView, flags, clearDepth, clearStencil);
+					}
 				}
 			}
 		}
@@ -199,7 +211,10 @@ namespace GlitchyEngine.Renderer
 			Debug.Profiler.ProfileRendererFunction!();
 
 			SetReference!(_currentRasterizerState, rasterizerState);
-			NativeContext.Rasterizer.SetState(_currentRasterizerState.nativeRasterizerState);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.Rasterizer.SetState(_currentRasterizerState.nativeRasterizerState);
+			}
 		}
 
 		private BlendState _currentBlendState ~ _?.ReleaseRef();
@@ -209,7 +224,11 @@ namespace GlitchyEngine.Renderer
 			Debug.Profiler.ProfileRendererFunction!();
 
 			SetReference!(_currentBlendState, blendState);
-			NativeContext.OutputMerger.SetBlendState(_currentBlendState.nativeBlendState, blendFactor);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.OutputMerger.SetBlendState(_currentBlendState.nativeBlendState, blendFactor);
+			}
 		}
 		
 		private DepthStencilState _currentDepthStencilState ~ _?.ReleaseRef();
@@ -219,7 +238,11 @@ namespace GlitchyEngine.Renderer
 			Debug.Profiler.ProfileRendererFunction!();
 
 			SetReference!(_currentDepthStencilState, depthStencilState);
-			NativeContext.OutputMerger.SetDepthStencilState(_currentDepthStencilState.nativeDepthStencilState, stencilReference);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.OutputMerger.SetDepthStencilState(_currentDepthStencilState.nativeDepthStencilState, stencilReference);
+			}
 		}
 
 		public override void DrawIndexed(GeometryBinding geometry)

GlitchyEngine/src/Platform/DX11/Renderer/Dx11SamplerState.bf

@@ -122,8 +122,11 @@ namespace GlitchyEngine.Renderer
 
 		public override void Bind(uint32 slot)
 		{
-			NativeContext.VertexShader.SetSamplers(slot, 1, &nativeSamplerState);
-			NativeContext.PixelShader.SetSamplers(slot, 1, &nativeSamplerState);
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.VertexShader.SetSamplers(slot, 1, &nativeSamplerState);
+				NativeContext.PixelShader.SetSamplers(slot, 1, &nativeSamplerState);
+			}
 		}
 	}
 }

GlitchyEngine/src/Platform/DX11/Renderer/Dx11Shader.bf

@@ -205,7 +205,30 @@ namespace GlitchyEngine.Renderer
 						buffer.ReleaseRef();
 					}
 				case .Texture:
-					_textures.Add(scope String(bindDesc.Name), bindDesc.BindPoint, TextureViewBinding(null, null));
+
+					TextureDimension texDim;
+					
+					switch (bindDesc.Dimension)
+					{
+					case .Texture1D:
+						texDim = .Texture1D;
+					case .Texture1DArray:
+						texDim = .Texture1DArray;
+					case .Texture2D:
+						texDim = .Texture2D;
+					case .Texture2DArray:
+						texDim = .Texture2DArray;
+					case .Texture3D:
+						texDim = .Texture3D;
+					case .TextureCube:
+						texDim = .TextureCube;
+					case .TextureCubeArray:
+						texDim = .TextureCubeArray;
+					default:
+						texDim = .Unknown;
+					}
+
+					_textures.Add(scope String(bindDesc.Name), bindDesc.BindPoint, TextureViewBinding(null, null), texDim);
 				case .Sampler:
 					// TODO: do we have to do something for samplers?
 				default:

GlitchyEngine/src/Platform/DX11/Renderer/Dx11Texture.bf

@@ -19,43 +19,6 @@ namespace GlitchyEngine.Renderer
 	extension Texture
 	{
 		protected internal ID3D11ShaderResourceView* _nativeResourceView ~ _?.Release();
-
-		/** \brief Loads the texture from the specified path.
-		 * @param path The path of the texture to load.
-		 * @param texture The reference to the pointer that will hold the texture.
-		 * @returns true if the texture was loaded successfully; false otherwise.
-		 */
-		protected bool LoadDdsResourcePlatform<T>(Stream stream, ref T* texture) where T : ID3D11Resource
-		{
-			Debug.Profiler.ProfileResourceFunction!();
-
-			uint8[] ddsData = new:ScopedAlloc! uint8[stream.Length];
-
-			var result = stream.TryRead(ddsData);
-
-			if (result case .Err(let err))
-			{
-				Log.EngineLogger.Error($"Failed to read texture data from stream. Error: {err}");
-			}
-
-			((ID3D11Resource*)texture)?.Release();
-			_nativeResourceView?.Release();
-
-			HResult loadResult = DDSTextureLoader.CreateDDSTextureFromMemory(NativeDevice,
-				ddsData.Ptr, (uint)ddsData.Count, (.)&texture, &_nativeResourceView);
-
-			if(loadResult.Failed)
-			{
-				Log.EngineLogger.Error($"Failed to load texture. Error({(int)loadResult}): {loadResult}");
-
-				ReleaseAndNullify!(texture);
-				ReleaseAndNullify!(_nativeResourceView);
-
-				return false;
-			}
-
-			return true;
-		}
 	}
 
 	extension Texture2DDesc
@@ -94,18 +57,6 @@ namespace GlitchyEngine.Renderer
 		public override uint32 ArraySize => nativeDesc.ArraySize;
 		public override uint32 MipLevels => nativeDesc.MipLevels;
 
-		protected override void LoadDdsPlatform(Stream stream)
-		{
-			Debug.Profiler.ProfileResourceFunction!();
-
-			LoadDdsResourcePlatform(stream, ref nativeTexture);
-
-			let resType = nativeTexture.GetResourceType();
-			Log.EngineLogger.Assert(resType == .Texture2D, scope $"The texture is not a 2D texture (it is {resType}).");
-
-			nativeTexture.GetDescription(out nativeDesc);
-		}
-
 		protected override void CreateTexturePlatform(Texture2DDesc desc, bool isRenderTarget, void* data, uint32 linePitch)
 		{
 			Debug.Profiler.ProfileResourceFunction!();
@@ -177,7 +128,12 @@ namespace GlitchyEngine.Renderer
 			case .Default:
 				Box dataBox = .(destX, destY, 0, destX + destWidth, destY + destHeight, 1);
 				var rowPitch = elementSize * destWidth;
-				NativeContext.UpdateSubresource(nativeTexture, subresourceIndex, &dataBox, data, rowPitch, rowPitch * destHeight);
+
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.UpdateSubresource(nativeTexture, subresourceIndex, &dataBox, data, rowPitch, rowPitch * destHeight);
+				}
+				
 			case .Dynamic:
 				Runtime.NotImplemented();
 				/*
@@ -220,6 +176,186 @@ namespace GlitchyEngine.Renderer
 				sourceBox.Back = 1;
 			}
 
+			// Make sure the destination was initialized
+			if(destination.nativeTexture == null)
+				destination.InternalCreateTexture(null, 0, 0);
+			
+			using (ContextMonitor.Enter())
+			{
+				NativeContext.CopySubresourceRegion(destination.nativeTexture,
+					D3D11.CalcSubresource(destMipSlice, destArraySlice, destination.MipLevels), destX, destY, 0,
+					source.nativeTexture, D3D11.CalcSubresource(srcMipSlice, srcArraySlice, source.MipLevels), (.)&sourceBox);
+			}
+		}
+
+		public override void CopyTo(Texture2D destination)
+		{
+			Debug.Profiler.ProfileResourceFunction!();
+
+			if(nativeTexture == null)
+				return;
+
+			Log.EngineLogger.AssertDebug(nativeDesc.Format == destination.nativeDesc.Format,
+				"Source and destination resources must have the same texel-format.");
+			
+			// Make sure the destination was initialized
+			if(destination.nativeTexture == null)
+				destination.InternalCreateTexture(null, 0, 0);
+
+			uint32 arraySlices = Math.Min(ArraySize, destination.ArraySize);
+			uint32 mipSlices = Math.Min(MipLevels, destination.MipLevels);
+
+			for(uint32 arraySlice < arraySlices)
+			for(uint32 mipSlice < mipSlices)
+			{
+				Box sourceBox = .(0, 0, 0, Width, Height, 1);
+				
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.CopySubresourceRegion(destination.nativeTexture,
+						D3D11.CalcSubresource(mipSlice, arraySlice, destination.MipLevels), 0, 0, 0,
+						nativeTexture, D3D11.CalcSubresource(mipSlice, arraySlice, MipLevels), (.)&sourceBox);
+				}
+			}
+		}
+
+		protected override TextureViewBinding PlatformGetViewBinding()
+		{
+			return .(_nativeResourceView, _samplerState?.nativeSamplerState);
+		}
+	}
+
+	extension TextureCube
+	{
+		protected internal ID3D11Texture2D* nativeTexture ~ _?.Release();
+		protected internal NativeTex2DDesc nativeDesc;
+		
+		public override uint32 Width => nativeDesc.Width;
+		public override uint32 Height => nativeDesc.Height;
+		public override uint32 ArraySize => nativeDesc.ArraySize / 6;
+		public override uint32 MipLevels => nativeDesc.MipLevels;
+
+		protected override void CreateTexturePlatform(Texture2DDesc desc, bool isRenderTarget, void* data, uint32 linePitch)
+		{
+			Debug.Profiler.ProfileResourceFunction!();
+
+			PrepareTexturePlatform(desc, isRenderTarget);
+			InternalCreateTexture(data, linePitch, 0);
+		}
+
+		protected override void PrepareTexturePlatform(Texture2DDesc desc, bool isRenderTarget)
+		{
+			Debug.Profiler.ProfileResourceFunction!();
+
+			nativeTexture?.Release();
+			nativeTexture = null;
+			_nativeResourceView?.Release();
+			_nativeResourceView = null;
+
+			nativeDesc = (NativeTex2DDesc)desc;
+			// Make it a texture cube
+			nativeDesc.MiscFlags |= .TextureCube;
+			nativeDesc.ArraySize *= 6;
+
+			if(isRenderTarget)
+				nativeDesc.BindFlags |= .RenderTarget;
+		}
+
+		private void InternalCreateTexture(void* data, uint32 linePitch, uint32 slicePitch)
+		{
+			Debug.Profiler.ProfileResourceFunction!();
+
+			SubresourceData resData = .(data, linePitch, slicePitch);
+
+			// If data is null, set subresourceData null
+			SubresourceData* resDataPtr = null;//data == null ? null : &resData;
+
+			var result = NativeDevice.CreateTexture2D(ref nativeDesc, resDataPtr, &nativeTexture);
+			Log.EngineLogger.Assert(result.Succeeded, scope $"Failed to create texture 2D. Error ({result.Underlying}): {result}");
+
+			result = NativeDevice.CreateShaderResourceView(nativeTexture, null, &_nativeResourceView);
+			Log.EngineLogger.Assert(result.Succeeded, scope $"Failed to create texture view. Error ({result.Underlying}): {result}");
+		}
+
+		// TODO: Update Texture Arrays!
+		protected override Result<void> PlatformSetData(void* data, uint32 elementSize, uint32 destX,
+			uint32 destY, uint32 destWidth, uint32 destHeight, uint32 arraySlice, uint32 mipLevel, GlitchyEngine.Renderer.MapType mapType)
+		{
+			Debug.Profiler.ProfileResourceFunction!();
+
+			if(nativeTexture == null)
+			{
+				if(destX == 0 && destY == 0 && destWidth == nativeDesc.Width && destHeight == nativeDesc.Height)
+				{
+					// We can pass the data while creating the buffer, so we can return here.
+					var rowPitch = elementSize * destWidth;
+					InternalCreateTexture(data, rowPitch, rowPitch * destHeight);
+				}
+				else
+				{
+					// If we don't set the entire texture we need to create the texture with unknown content and set it manually
+					Log.EngineLogger.Assert(nativeDesc.Usage != .Immutable, "The entire immutable texture has to be initialized.");
+					InternalCreateTexture(null, 0, 0);
+				}
+			}
+
+			//Log.EngineLogger.AssertDebug();
+			// TODO: Debug.Assert(dstByteOffset + byteLength <= _description.Size, "The destination offset and byte length are too long for the target buffer.");
+
+			uint32 subresourceIndex = D3D11.CalcSubresource(mipLevel, arraySlice, nativeDesc.MipLevels);
+
+			switch(nativeDesc.Usage)
+			{
+			case .Default:
+				Box dataBox = .(destX, destY, 0, destX + destWidth, destY + destHeight, 1);
+				var rowPitch = elementSize * destWidth;
+				
+				using (ContextMonitor.Enter())
+				{
+					NativeContext.UpdateSubresource(nativeTexture, subresourceIndex, &dataBox, data, rowPitch, rowPitch * destHeight);
+				}
+			case .Dynamic:
+				Runtime.NotImplemented();
+				/*
+				Log.EngineLogger.Assert(mapType.CanWrite, "The map type has to have write access.");
+				// Todo: DoNotWaitFlag
+				MappedSubresource map = ?;
+				_context.nativeContext.Map(nativeBuffer, 0, (.)mapType, .None, &map);
+				Internal.MemCpy(((uint8*)map.Data) + dstByteOffset, data, byteLength);
+				_context.nativeContext.Unmap(nativeBuffer, 0);
+				*/
+			case .Immutable:
+				Log.EngineLogger.Error("Can't set the data of an immutable resource.");
+				return .Err;
+			default:
+				Log.EngineLogger.Error($"Unknown resource usage: {nativeDesc.Usage}");
+				return .Err;
+			}
+
+			return .Ok;
+		}
+
+		/*public static override void CopySubresourceRegion(Texture2D source, Texture2D destination,
+			ResourceBox sourceBox = default, uint32 destX = 0, uint32 destY = 0,
+			uint32 srcArraySlice = 0, uint32 srcMipSlice = 0, uint32 destArraySlice = 0, uint32 destMipSlice = 0)
+		{
+			Debug.Profiler.ProfileResourceFunction!();
+
+			Log.EngineLogger.AssertDebug(source != destination || srcArraySlice != destArraySlice
+				|| srcMipSlice != destMipSlice, "Cannot copy from and to the same sub resource.");
+
+			Log.EngineLogger.AssertDebug(source.nativeDesc.Format == destination.nativeDesc.Format,
+				"Source and destination resources must have the same texel-format.");
+
+			var sourceBox;
+
+			if(sourceBox.Right == 0)
+			{
+				sourceBox.Right = source.Width;
+				sourceBox.Bottom = source.Height;
+				sourceBox.Back = 1;
+			}
+
 			// Make sure the destination was initialized
 			if(destination.nativeTexture == null)
 				destination.InternalCreateTexture(null, 0, 0);
@@ -255,44 +391,13 @@ namespace GlitchyEngine.Renderer
 					D3D11.CalcSubresource(mipSlice, arraySlice, destination.MipLevels), 0, 0, 0,
 					nativeTexture, D3D11.CalcSubresource(mipSlice, arraySlice, MipLevels), (.)&sourceBox);
 			}
-		}
+		}*/
 
 		protected override TextureViewBinding PlatformGetViewBinding()
 		{
 			return .(_nativeResourceView, _samplerState?.nativeSamplerState);
 		}
 	}
-
-	extension TextureCube
-	{
-		protected internal ID3D11Texture2D* nativeTexture ~ _?.Release();
-		protected internal NativeTex2DDesc nativeDesc;
-		
-		public override uint32 Width => nativeDesc.Width;
-		public override uint32 Height => nativeDesc.Height;
-		public override uint32 ArraySize => nativeDesc.ArraySize / 6;
-		public override uint32 MipLevels => nativeDesc.MipLevels;
-
-		protected override void LoadTexturePlatform(Stream stream)
-		{
-			Debug.Profiler.ProfileResourceFunction!();
-			
-			LoadDdsResourcePlatform(stream, ref nativeTexture);
-
-			let resType = nativeTexture.GetResourceType();
-			Log.EngineLogger.Assert(resType == .Texture2D, scope $"The texture \"{_path}\" is not a texture cube (it is {resType}).");
-
-			nativeTexture.GetDescription(out nativeDesc);
-
-			Log.EngineLogger.Assert(nativeDesc.MiscFlags.HasFlag(.TextureCube), scope $"The texture \"{_path}\" is not a texture cube.");
-			// TODO: load fallback texture
-		}
-
-		protected override TextureViewBinding PlatformGetViewBinding()
-		{
-			return .(_nativeResourceView, _samplerState.nativeSamplerState);
-		}
-	}
 }
 
 #endif

GlitchyEngine/src/Renderer/Effect.bf

@@ -104,6 +104,18 @@ public class EffectLibrary
 	public bool Exists(String effectName) => _effects.ContainsKey(effectName);
 }*/
 
+public enum TextureDimension
+{
+	Unknown,
+	Texture1D,
+	Texture1DArray,
+	Texture2D,
+	Texture2DArray,
+	Texture3D,
+	TextureCube,
+	TextureCubeArray
+}
+
 public class Effect : Asset
 {
 	internal VertexShader _vs ~ _?.ReleaseRef();
@@ -137,14 +149,16 @@ public class Effect : Asset
 	public struct TextureEntry
 	{
 		public TextureViewBinding BoundTexture;
+		public TextureDimension TextureDimension;
 		public ShaderTextureCollection.ResourceEntry* VsSlot;
 		public ShaderTextureCollection.ResourceEntry* PsSlot;
 
-		public this(TextureViewBinding boundTexture, ShaderTextureCollection.ResourceEntry* vsSlot, ShaderTextureCollection.ResourceEntry* psSlot)
+		public this(TextureViewBinding boundTexture, TextureDimension textureDimension, ShaderTextureCollection.ResourceEntry* vsSlot, ShaderTextureCollection.ResourceEntry* psSlot)
 		{
 			BoundTexture = boundTexture;
 			VsSlot = vsSlot;
 			PsSlot = psSlot;
+			TextureDimension = textureDimension;
 		}
 	}
 
@@ -741,7 +755,7 @@ public class Effect : Asset
 			// Get existing entry or create new
 			if(!_textures.TryGetValue(shaderEntry.Name, out entry))
 			{
-				entry = .(shaderEntry.BoundTexture, null, null);
+				entry = .(shaderEntry.BoundTexture, shaderEntry.Dimension, null, null);
 				entry.BoundTexture.AddRef();
 			}
 

GlitchyEngine/src/Renderer/Material.bf

@@ -14,7 +14,7 @@ public class Material : Asset
 
 	private uint8[] _rawVariables ~ delete _;
 
-	private Dictionary<String, AssetHandle<Texture>> _textures = new .() ~ delete _;
+	private Dictionary<String, (AssetHandle<Texture> Handle, TextureDimension Dimension)> _textures = new .() ~ delete _;
 
 	private Dictionary<String, (uint32 Offset, BufferVariable Variable)> _variables = new .() ~ delete _;
 
@@ -34,7 +34,7 @@ public class Material : Asset
 			// At best whole paths. Shouldn't be that hard to do...
 			/*var texture = entry.BoundTexture;*/
 
-			_textures.Add(name, .Invalid);
+			_textures.Add(name, (AssetHandle<Texture>.Invalid, entry.TextureDimension));
 		}
 
 		InitRawData();
@@ -66,7 +66,19 @@ public class Material : Asset
 
 		for(let (name, texture) in _textures)
 		{
-			_effect.SetTexture(name, texture);
+			switch (texture.Dimension)
+			{
+			//case .Texture1D, .Texture1DArray:
+			case .Texture2D, .Texture2DArray:
+				AssetHandle<Texture2D> handle2D = .(texture.Handle);
+				_effect.SetTexture(name, handle2D);
+			case .TextureCube, .TextureCubeArray:
+				AssetHandle<TextureCube> cubeHandle = .(texture.Handle);
+				_effect.SetTexture(name, cubeHandle);
+			//case .Texture3D:
+			default:
+				Log.EngineLogger.Error("Tryied to bind undefined texture dimension!");
+			}
 		}
 
 		for(let (name, variable) in _variables)
@@ -86,13 +98,27 @@ public class Material : Asset
 	{
 		if(_textures.TryGetValue(name, var entry))
 		{
+			/*switch (texture.Get().GetType())
+			{
+			//case .Texture1D:
+			//	_textures[name].Dimension = .Texture1D;
+			case typeof(Texture2D):
+				_textures[name].Dimension = .Texture2D;
+			case typeof(TextureCube):
+				_textures[name].Dimension = .TextureCube;
+			//case .Texture3D:
+			//	_textures[name].Dimension = .Texture3D;
+			default:
+				_textures[name].Dimension = .Unknown;
+			}*/
 			//entry?.ReleaseRef();
-			_textures[name] = texture;
+			_textures[name].Handle = texture;
 			//texture?.AddRef();
 		}
 		else
 		{
-			Log.EngineLogger.Assert(false);
+			Log.EngineLogger.Error($"Material doesn't have the texture slot \"{name}\"");
+			//Log.EngineLogger.Assert(false);
 		}
 	}
 

GlitchyEngine/src/Renderer/RenderTarget.bf

@@ -79,15 +79,6 @@ namespace GlitchyEngine.Renderer
 
 		protected extern TextureViewBinding PlatformGetViewBinding();
 
-		protected internal override void SneakySwappyTexture(Texture otherTexture)
-		{
-			Log.EngineLogger.AssertDebug(otherTexture is RenderTarget2D, "Swapping texture must be a RenderTarget2D!");
-			
-			SamplerState = otherTexture.SamplerState;
-
-			PlatformSneakySwappyTexture(otherTexture as RenderTarget2D);
-		}
-
 		protected extern void PlatformSneakySwappyTexture(RenderTarget2D otherTexture);
 	}
 

GlitchyEngine/src/Renderer/ShaderTextureCollection.bf

@@ -3,9 +3,9 @@ using System.Collections;
 
 namespace GlitchyEngine.Renderer
 {
-	public class ShaderTextureCollection : IEnumerable<(String Name, uint32 Index, TextureViewBinding BoundTexture)>
+	public class ShaderTextureCollection : IEnumerable<(String Name, uint32 Index, TextureViewBinding BoundTexture, TextureDimension Dimension)>
 	{
-		public typealias ResourceEntry = (String Name, uint32 Index, TextureViewBinding BoundTexture);
+		public typealias ResourceEntry = (String Name, uint32 Index, TextureViewBinding BoundTexture, TextureDimension Dimension);
 
 		List<ResourceEntry> _textures ~ DeleteTextureEntries!(_);
 		
@@ -39,14 +39,14 @@ namespace GlitchyEngine.Renderer
 
 		// TODO: finish implementation (like BufferCollection)
 
-		public void Add(String name, uint32 index, TextureViewBinding texture)
+		public void Add(String name, uint32 index, TextureViewBinding texture, TextureDimension dimension)
 		{
-			Add((name, index, texture));
+			Add((name, index, texture, dimension));
 		}
 
 		public void Add(ResourceEntry entry)
 		{
-			ResourceEntry copy = (new String(entry.Name), entry.Index, entry.BoundTexture);
+			ResourceEntry copy = (new String(entry.Name), entry.Index, entry.BoundTexture, entry.Dimension);
 			entry.BoundTexture.AddRef();
 
 			_textures.Add(copy);

GlitchyEngine/src/Renderer/Texture.bf

@@ -30,11 +30,6 @@ namespace GlitchyEngine.Renderer
 		public abstract uint32 MipLevels {get;}
 
 		public abstract TextureViewBinding GetViewBinding();
-		
-		/// Very dirtily swaps the internals with the given texture.
-		/// TODO: Please do this differently!!!!!!!!!!!!!!!!!!!!!!
-		/// This is for texture hot reloading POC, I know... it's bad...
-		protected internal abstract void SneakySwappyTexture(Texture otherTexture);
 	}
 
 	public struct Texture2DDesc
@@ -69,17 +64,6 @@ namespace GlitchyEngine.Renderer
 		//public override extern uint32 ArraySize {get;}
 		//public override extern uint32 MipLevels {get;}
 
-		// TODO: remove
-		private this(Stream data)
-		{
-			LoadDds(data);
-		}
-		
-		protected void LoadDds(Stream stream)
-		{
-			LoadDdsPlatform(stream);
-		}
-
 		public this(Texture2DDesc desc)
 		{
 			PrepareTexturePlatform(desc, false);
@@ -100,8 +84,6 @@ namespace GlitchyEngine.Renderer
 		uint32 mipLevels = 1, uint32 arraySize = 1, Usage usage = .Default, CPUAccessFlags cpuAccess = .None
 		*/
 
-		protected extern void LoadDdsPlatform(Stream stream);
-		
 		protected extern void CreateTexturePlatform(Texture2DDesc desc, bool isRenderTarget, void* data, uint32 linePitch);
 
 		/**
@@ -130,17 +112,16 @@ namespace GlitchyEngine.Renderer
 		}
 
 		protected extern TextureViewBinding PlatformGetViewBinding();
+	}
 
-		protected internal override void SneakySwappyTexture(Texture otherTexture)
-		{
-			Log.EngineLogger.AssertDebug(otherTexture is Texture2D, "Swapping texture must be a Texture2D!");
-			
-			SamplerState = otherTexture.SamplerState;
-
-			PlatformSneakySwappyTexture(otherTexture as Texture2D);
-		}
-
-		protected extern void PlatformSneakySwappyTexture(Texture2D otherTexture);
+	public enum TextureCubeFace
+	{
+		PositiveX = 0,
+		NegativeX = 1,
+		PositiveY = 2,
+		NegativeY = 3,
+		PositiveZ = 4,
+		NegativeZ = 5,
 	}
 
 	public class TextureCube : Texture
@@ -152,24 +133,48 @@ namespace GlitchyEngine.Renderer
 		public override uint32 Depth => 1;
 		// public override extern uint32 ArraySize {get;}
 		// public override extern uint32 MipLevels {get;}
-
-		public this(String path)
+		
+		public this(Texture2DDesc desc)
 		{
-			this._path = new String(path);
-			LoadTexture();
+			PrepareTexturePlatform(desc, false);
 		}
 		
-		private void LoadTexture()
+		public void SetData(void* data, int elementSize, TextureCubeFace cubeFace, uint32 arraySlice = 0, uint32 mipSlice = 0)
 		{
-			Debug.Profiler.ProfileResourceFunction!();
-
-			Stream data = Application.Get().ContentManager.GetStream(_path);
-			defer delete data;
-
-			LoadTexturePlatform(data);
+			PlatformSetData(data, (.)elementSize, 0, 0, Width, Height, arraySlice * 6 + (uint32)cubeFace, mipSlice, .Write);
 		}
 
-		protected extern void LoadTexturePlatform(Stream stream);
+		public void SetData<T>(T* data, TextureCubeFace cubeFace, uint32 arraySlice = 0, uint32 mipSlice = 0)
+		{
+			PlatformSetData(data, (.)sizeof(T), 0, 0, Width, Height, arraySlice * 6 + (uint32)cubeFace, mipSlice, .Write);
+		}
+
+		public void SetData<T>(T* data, uint32 x, uint32 y, uint32 width, uint32 height, TextureCubeFace cubeFace, uint32 arraySlice = 0, uint32 mipSlice = 0)
+		{
+			PlatformSetData(data, (.)sizeof(T), x, y, width, height, arraySlice * 6 + (uint32)cubeFace, mipSlice, .Write);
+		}
+
+		protected extern void CreateTexturePlatform(Texture2DDesc desc, bool isRenderTarget, void* data, uint32 linePitch);
+
+		/**
+		 * Prepares the texture so that a call to SetData can successfully upload the data to the gpu.
+		 */
+		protected extern void PrepareTexturePlatform(Texture2DDesc desc, bool isRenderTarget);
+
+		protected extern Result<void> PlatformSetData(void* data, uint32 elementSize, uint32 destX,
+			uint32 destY, uint32 destWidth, uint32 destHeight, uint32 arraySlice, uint32 mipLevel, GlitchyEngine.Renderer.MapType mapType);
+
+		/**
+		 * Copies the texel-data of this texture to the given destination texture.
+		 */
+		public static extern void CopySubresourceRegion(Texture2D source, Texture2D destination,
+			ResourceBox sourceBox = default, uint32 destX = 0, uint32 destY = 0,
+			uint32 srcArraySlice = 0, uint32 srcMipSlice = 0, uint32 destArraySlice = 0, uint32 destMipSlice = 0);
+
+		/**
+		 * Copies the data to the given destination.
+		 */
+		//public extern void CopyTo(TextureCube destination);
 
 		public override TextureViewBinding GetViewBinding()
 		{
@@ -177,10 +182,5 @@ namespace GlitchyEngine.Renderer
 		}
 
 		protected extern TextureViewBinding PlatformGetViewBinding();
-
-		protected internal override void SneakySwappyTexture(Texture otherTexture)
-		{
-			Runtime.NotImplemented();
-		}
 	}
 }