forked from Mirror/Ryujinx
382 lines
14 KiB
C#
382 lines
14 KiB
C#
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using OpenTK.Graphics.OpenGL;
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using Ryujinx.Graphics.Texture;
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using System;
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namespace Ryujinx.Graphics.Gal.OpenGL
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{
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class OglTexture : IGalTexture
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{
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private const long MaxTextureCacheSize = 768 * 1024 * 1024;
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private OglCachedResource<ImageHandler> _textureCache;
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public EventHandler<int> TextureDeleted { get; set; }
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public OglTexture()
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{
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_textureCache = new OglCachedResource<ImageHandler>(DeleteTexture, MaxTextureCacheSize);
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}
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public void LockCache()
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{
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_textureCache.Lock();
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}
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public void UnlockCache()
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{
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_textureCache.Unlock();
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}
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private void DeleteTexture(ImageHandler cachedImage)
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{
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TextureDeleted?.Invoke(this, cachedImage.Handle);
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GL.DeleteTexture(cachedImage.Handle);
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}
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public void Create(long key, int size, GalImage image)
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{
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int handle = GL.GenTexture();
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TextureTarget target = ImageUtils.GetTextureTarget(image.TextureTarget);
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GL.BindTexture(target, handle);
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const int level = 0; //TODO: Support mipmap textures.
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const int border = 0;
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_textureCache.AddOrUpdate(key, new ImageHandler(handle, image), (uint)size);
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if (ImageUtils.IsCompressed(image.Format))
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{
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throw new InvalidOperationException("Surfaces with compressed formats are not supported!");
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}
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(PixelInternalFormat internalFmt,
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PixelFormat format,
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PixelType type) = OglEnumConverter.GetImageFormat(image.Format);
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switch (target)
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{
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case TextureTarget.Texture1D:
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GL.TexImage1D(
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target,
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level,
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internalFmt,
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image.Width,
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border,
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format,
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type,
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IntPtr.Zero);
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break;
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case TextureTarget.Texture2D:
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GL.TexImage2D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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border,
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format,
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type,
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IntPtr.Zero);
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break;
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case TextureTarget.Texture3D:
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GL.TexImage3D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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image.Depth,
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border,
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format,
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type,
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IntPtr.Zero);
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break;
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case TextureTarget.Texture2DArray:
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GL.TexImage3D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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image.LayerCount,
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border,
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format,
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type,
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IntPtr.Zero);
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break;
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default:
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throw new NotImplementedException($"Unsupported texture target type: {target}");
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}
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}
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public void Create(long key, byte[] data, GalImage image)
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{
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int handle = GL.GenTexture();
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TextureTarget target = ImageUtils.GetTextureTarget(image.TextureTarget);
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GL.BindTexture(target, handle);
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const int level = 0; //TODO: Support mipmap textures.
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const int border = 0;
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_textureCache.AddOrUpdate(key, new ImageHandler(handle, image), (uint)data.Length);
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if (ImageUtils.IsCompressed(image.Format) && !IsAstc(image.Format))
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{
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InternalFormat internalFmt = OglEnumConverter.GetCompressedImageFormat(image.Format);
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switch (target)
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{
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case TextureTarget.Texture1D:
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GL.CompressedTexImage1D(
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target,
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level,
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internalFmt,
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image.Width,
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border,
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data.Length,
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data);
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break;
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case TextureTarget.Texture2D:
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GL.CompressedTexImage2D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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border,
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data.Length,
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data);
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break;
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case TextureTarget.Texture3D:
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GL.CompressedTexImage3D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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image.Depth,
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border,
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data.Length,
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data);
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break;
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case TextureTarget.Texture2DArray:
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GL.CompressedTexImage3D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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image.LayerCount,
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border,
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data.Length,
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data);
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break;
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default:
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throw new NotImplementedException($"Unsupported texture target type: {target}");
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}
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}
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else
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{
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//TODO: Use KHR_texture_compression_astc_hdr when available
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if (IsAstc(image.Format))
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{
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int textureBlockWidth = ImageUtils.GetBlockWidth(image.Format);
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int textureBlockHeight = ImageUtils.GetBlockHeight(image.Format);
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int textureBlockDepth = ImageUtils.GetBlockDepth(image.Format);
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data = AstcDecoder.DecodeToRgba8888(
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data,
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textureBlockWidth,
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textureBlockHeight,
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textureBlockDepth,
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image.Width,
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image.Height,
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image.Depth);
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image.Format = GalImageFormat.Rgba8 | (image.Format & GalImageFormat.TypeMask);
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}
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(PixelInternalFormat internalFmt,
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PixelFormat format,
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PixelType type) = OglEnumConverter.GetImageFormat(image.Format);
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switch (target)
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{
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case TextureTarget.Texture1D:
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GL.TexImage1D(
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target,
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level,
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internalFmt,
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image.Width,
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border,
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format,
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type,
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data);
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break;
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case TextureTarget.Texture2D:
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GL.TexImage2D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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border,
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format,
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type,
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data);
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break;
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case TextureTarget.Texture3D:
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GL.TexImage3D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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image.Depth,
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border,
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format,
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type,
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data);
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break;
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case TextureTarget.Texture2DArray:
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GL.TexImage3D(
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target,
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level,
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internalFmt,
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image.Width,
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image.Height,
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image.LayerCount,
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border,
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format,
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type,
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data);
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break;
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case TextureTarget.TextureCubeMap:
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Span<byte> array = new Span<byte>(data);
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int faceSize = ImageUtils.GetSize(image) / 6;
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for (int face = 0; face < 6; face++)
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{
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GL.TexImage2D(
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TextureTarget.TextureCubeMapPositiveX + face,
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level,
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internalFmt,
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image.Width,
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image.Height,
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border,
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format,
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type,
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array.Slice(face * faceSize, faceSize).ToArray());
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}
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break;
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default:
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throw new NotImplementedException($"Unsupported texture target type: {target}");
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}
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}
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}
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private static bool IsAstc(GalImageFormat format)
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{
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format &= GalImageFormat.FormatMask;
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return format > GalImageFormat.Astc2DStart && format < GalImageFormat.Astc2DEnd;
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}
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public bool TryGetImage(long key, out GalImage image)
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{
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if (_textureCache.TryGetValue(key, out ImageHandler cachedImage))
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{
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image = cachedImage.Image;
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return true;
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}
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image = default(GalImage);
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return false;
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}
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public bool TryGetImageHandler(long key, out ImageHandler cachedImage)
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{
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if (_textureCache.TryGetValue(key, out cachedImage))
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{
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return true;
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}
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cachedImage = null;
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return false;
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}
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public void Bind(long key, int index, GalImage image)
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{
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if (_textureCache.TryGetValue(key, out ImageHandler cachedImage))
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{
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GL.ActiveTexture(TextureUnit.Texture0 + index);
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TextureTarget target = ImageUtils.GetTextureTarget(image.TextureTarget);
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GL.BindTexture(target, cachedImage.Handle);
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int[] swizzleRgba = new int[]
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{
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(int)OglEnumConverter.GetTextureSwizzle(image.XSource),
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(int)OglEnumConverter.GetTextureSwizzle(image.YSource),
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(int)OglEnumConverter.GetTextureSwizzle(image.ZSource),
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(int)OglEnumConverter.GetTextureSwizzle(image.WSource)
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};
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GL.TexParameter(target, TextureParameterName.TextureSwizzleRgba, swizzleRgba);
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}
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}
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public void SetSampler(GalImage image, GalTextureSampler sampler)
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{
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int wrapS = (int)OglEnumConverter.GetTextureWrapMode(sampler.AddressU);
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int wrapT = (int)OglEnumConverter.GetTextureWrapMode(sampler.AddressV);
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int wrapR = (int)OglEnumConverter.GetTextureWrapMode(sampler.AddressP);
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int minFilter = (int)OglEnumConverter.GetTextureMinFilter(sampler.MinFilter, sampler.MipFilter);
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int magFilter = (int)OglEnumConverter.GetTextureMagFilter(sampler.MagFilter);
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TextureTarget target = ImageUtils.GetTextureTarget(image.TextureTarget);
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GL.TexParameter(target, TextureParameterName.TextureWrapS, wrapS);
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GL.TexParameter(target, TextureParameterName.TextureWrapT, wrapT);
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GL.TexParameter(target, TextureParameterName.TextureWrapR, wrapR);
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GL.TexParameter(target, TextureParameterName.TextureMinFilter, minFilter);
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GL.TexParameter(target, TextureParameterName.TextureMagFilter, magFilter);
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float[] color = new float[]
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{
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sampler.BorderColor.Red,
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sampler.BorderColor.Green,
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sampler.BorderColor.Blue,
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sampler.BorderColor.Alpha
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};
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GL.TexParameter(target, TextureParameterName.TextureBorderColor, color);
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if (sampler.DepthCompare)
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{
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GL.TexParameter(target, TextureParameterName.TextureCompareMode, (int)All.CompareRToTexture);
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GL.TexParameter(target, TextureParameterName.TextureCompareFunc, (int)OglEnumConverter.GetDepthCompareFunc(sampler.DepthCompareFunc));
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}
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else
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{
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GL.TexParameter(target, TextureParameterName.TextureCompareMode, (int)All.None);
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GL.TexParameter(target, TextureParameterName.TextureCompareFunc, (int)All.Never);
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}
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}
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}
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}
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