public SKBitmap GenerateBitmap()
{
Reader.BaseStream.Position = DataOffset;
var width = NonPow2Width > 0 ? NonPow2Width : Width;
var height = NonPow2Height > 0 ? NonPow2Height : Height;
var imageInfo = new SKImageInfo(width, height, SKColorType.Bgra8888, SKAlphaType.Unpremul);
Span <byte> data = new byte[imageInfo.RowBytes * imageInfo.Height];
SkipMipmaps();
switch (Format)
{
case VTexFormat.DXT1:
TextureDecompressors.UncompressDXT1(imageInfo, GetDecompressedBuffer(), data, Width, Height);
break;
case VTexFormat.DXT5:
var yCoCg = false;
var normalize = false;
var invert = false;
if (Resource.EditInfo.Structs.ContainsKey(ResourceEditInfo.REDIStruct.SpecialDependencies))
{
var specialDeps = (SpecialDependencies)Resource.EditInfo.Structs[ResourceEditInfo.REDIStruct.SpecialDependencies];
yCoCg = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Image YCoCg Conversion");
normalize = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Image NormalizeNormals");
invert = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version LegacySource1InvertNormals");
}
TextureDecompressors.UncompressDXT5(imageInfo, GetDecompressedBuffer(), data, Width, Height, yCoCg, normalize, invert);
break;
case VTexFormat.I8:
return(TextureDecompressors.ReadI8(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA8888:
return(TextureDecompressors.ReadRGBA8888(GetDecompressedBuffer(), Width, Height));
case VTexFormat.R16:
return(TextureDecompressors.ReadR16(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RG1616:
return(TextureDecompressors.ReadRG1616(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA16161616:
TextureDecompressors.ReadRGBA16161616(imageInfo, GetDecompressedBuffer(), data);
break;
case VTexFormat.R16F:
return(TextureDecompressors.ReadR16F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RG1616F:
return(TextureDecompressors.ReadRG1616F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA16161616F:
TextureDecompressors.ReadRGBA16161616F(imageInfo, GetDecompressedBuffer(), data);
break;
case VTexFormat.R32F:
return(TextureDecompressors.ReadR32F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RG3232F:
return(TextureDecompressors.ReadRG3232F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGB323232F:
return(TextureDecompressors.ReadRGB323232F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA32323232F:
return(TextureDecompressors.ReadRGBA32323232F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.IA88:
return(TextureDecompressors.ReadIA88(GetDecompressedBuffer(), Width, Height));
// TODO: Are we sure DXT5 and RGBA8888 are just raw buffers?
case VTexFormat.JPEG_DXT5:
case VTexFormat.JPEG_RGBA8888:
case VTexFormat.PNG_DXT5:
case VTexFormat.PNG_RGBA8888:
return(ReadBuffer());
case VTexFormat.ETC2:
var etc = new Etc.EtcDecoder();
var rewriteMeProperlyPlease = new byte[data.Length]; // TODO
etc.DecompressETC2(GetDecompressedTextureAtMipLevel(0), width, height, rewriteMeProperlyPlease);
data = rewriteMeProperlyPlease;
break;
case VTexFormat.ETC2_EAC:
var etc2 = new Etc.EtcDecoder();
var rewriteMeProperlyPlease2 = new byte[data.Length]; // TODO
etc2.DecompressETC2A8(GetDecompressedTextureAtMipLevel(0), width, height, rewriteMeProperlyPlease2);
data = rewriteMeProperlyPlease2;
break;
default:
throw new NotImplementedException(string.Format("Unhandled image type: {0}", Format));
}
// pin the managed array so that the GC doesn't move it
// TODO: There's probably a better way of handling this with Span<byte>
var gcHandle = GCHandle.Alloc(data.ToArray(), GCHandleType.Pinned);
// install the pixels with the color type of the pixel data
var bitmap = new SKBitmap();
bitmap.InstallPixels(imageInfo, gcHandle.AddrOfPinnedObject(), imageInfo.RowBytes, (address, context) => { gcHandle.Free(); }, null);
return(bitmap);
}
public SKBitmap GenerateBitmap()
{
Reader.BaseStream.Position = DataOffset;
var width = ActualWidth >> MipmapLevelToExtract;
var height = ActualHeight >> MipmapLevelToExtract;
var blockWidth = Width >> MipmapLevelToExtract;
var blockHeight = Height >> MipmapLevelToExtract;
var skiaBitmap = new SKBitmap(width, height, SKColorType.Bgra8888, SKAlphaType.Unpremul);
SkipMipmaps();
switch (Format)
{
case VTexFormat.DXT1:
return(TextureDecompressors.UncompressDXT1(skiaBitmap, GetTextureSpan(), blockWidth, blockHeight));
case VTexFormat.DXT5:
var yCoCg = false;
var normalize = false;
var invert = false;
var hemiOct = false;
if (Resource.EditInfo.Structs.ContainsKey(ResourceEditInfo.REDIStruct.SpecialDependencies))
{
var specialDeps = (SpecialDependencies)Resource.EditInfo.Structs[ResourceEditInfo.REDIStruct.SpecialDependencies];
yCoCg = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Image YCoCg Conversion");
normalize = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Image NormalizeNormals");
invert = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version LegacySource1InvertNormals");
hemiOct = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Mip HemiOctAnisoRoughness");
}
return(TextureDecompressors.UncompressDXT5(skiaBitmap, GetTextureSpan(), blockWidth, blockHeight, yCoCg, normalize, invert, hemiOct));
case VTexFormat.I8:
return(TextureDecompressors.ReadI8(skiaBitmap, GetTextureSpan()));
case VTexFormat.RGBA8888:
return(TextureDecompressors.ReadRGBA8888(skiaBitmap, GetTextureSpan()));
case VTexFormat.R16:
return(TextureDecompressors.ReadR16(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RG1616:
return(TextureDecompressors.ReadRG1616(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA16161616:
return(TextureDecompressors.ReadRGBA16161616(skiaBitmap, GetTextureSpan()));
case VTexFormat.R16F:
return(TextureDecompressors.ReadR16F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RG1616F:
return(TextureDecompressors.ReadRG1616F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA16161616F:
return(TextureDecompressors.ReadRGBA16161616F(skiaBitmap, GetTextureSpan()));
case VTexFormat.R32F:
return(TextureDecompressors.ReadR32F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RG3232F:
return(TextureDecompressors.ReadRG3232F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGB323232F:
return(TextureDecompressors.ReadRGB323232F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.RGBA32323232F:
return(TextureDecompressors.ReadRGBA32323232F(GetDecompressedBuffer(), Width, Height));
case VTexFormat.BC6H:
return(BPTC.BPTCDecoders.UncompressBC6H(GetDecompressedBuffer(), Width, Height));
case VTexFormat.BC7:
bool hemiOctRB = false;
invert = false;
if (Resource.EditInfo.Structs.ContainsKey(ResourceEditInfo.REDIStruct.SpecialDependencies))
{
var specialDeps = (SpecialDependencies)Resource.EditInfo.Structs[ResourceEditInfo.REDIStruct.SpecialDependencies];
hemiOctRB = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Mip HemiOctIsoRoughness_RG_B");
invert = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version LegacySource1InvertNormals");
}
return(BPTC.BPTCDecoders.UncompressBC7(GetDecompressedBuffer(), Width, Height, hemiOctRB, invert));
case VTexFormat.ATI2N:
normalize = false;
if (Resource.EditInfo.Structs.ContainsKey(ResourceEditInfo.REDIStruct.SpecialDependencies))
{
var specialDeps = (SpecialDependencies)Resource.EditInfo.Structs[ResourceEditInfo.REDIStruct.SpecialDependencies];
normalize = specialDeps.List.Any(dependancy => dependancy.CompilerIdentifier == "CompileTexture" && dependancy.String == "Texture Compiler Version Image NormalizeNormals");
}
return(TextureDecompressors.UncompressATI2N(skiaBitmap, GetTextureSpan(), Width, Height, normalize));
case VTexFormat.IA88:
return(TextureDecompressors.ReadIA88(skiaBitmap, GetTextureSpan()));
case VTexFormat.ATI1N:
return(TextureDecompressors.UncompressATI1N(skiaBitmap, GetTextureSpan(), Width, Height));
// TODO: Are we sure DXT5 and RGBA8888 are just raw buffers?
case VTexFormat.JPEG_DXT5:
case VTexFormat.JPEG_RGBA8888:
case VTexFormat.PNG_DXT5:
case VTexFormat.PNG_RGBA8888:
return(ReadBuffer());
case VTexFormat.ETC2:
// TODO: Rewrite EtcDecoder to work on skia span directly
var etc = new Etc.EtcDecoder();
var data = new byte[skiaBitmap.RowBytes * skiaBitmap.Height];
etc.DecompressETC2(GetDecompressedTextureAtMipLevel(0), width, height, data);
var gcHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
skiaBitmap.InstallPixels(skiaBitmap.Info, gcHandle.AddrOfPinnedObject(), skiaBitmap.RowBytes, (address, context) => { gcHandle.Free(); }, null);
break;
case VTexFormat.ETC2_EAC:
// TODO: Rewrite EtcDecoder to work on skia span directly
var etc2 = new Etc.EtcDecoder();
var data2 = new byte[skiaBitmap.RowBytes * skiaBitmap.Height];
etc2.DecompressETC2A8(GetDecompressedTextureAtMipLevel(0), width, height, data2);
var gcHandle2 = GCHandle.Alloc(data2, GCHandleType.Pinned);
skiaBitmap.InstallPixels(skiaBitmap.Info, gcHandle2.AddrOfPinnedObject(), skiaBitmap.RowBytes, (address, context) => { gcHandle2.Free(); }, null);
break;
case VTexFormat.BGRA8888:
return(TextureDecompressors.ReadBGRA8888(skiaBitmap, GetTextureSpan()));
default:
throw new NotImplementedException(string.Format("Unhandled image type: {0}", Format));
}
return(skiaBitmap);
}
