/// <summary>
/// Gets the directX pixelformat for the specified pixelformat
/// </summary>
/// <param name="e">ePixelFormat</param>
/// <returns>DirectX PixelFormat</returns>
public static Microsoft.DirectX.DirectDraw.PixelFormat GetPixelFormat( EPixelFormat e ) {
Microsoft.DirectX.DirectDraw.PixelFormat pixelFormat = new Microsoft.DirectX.DirectDraw.PixelFormat();
switch( e ) {
case EPixelFormat.RGB32:
pixelFormat.Rgb = true;
pixelFormat.RgbBitCount = 32;
pixelFormat.RBitMask = 0xFF0000;
pixelFormat.GBitMask = 0x00FF00;
pixelFormat.BBitMask = 0x0000FF;
break;
case EPixelFormat.YUY2:
pixelFormat.FourCC = 0x32595559;
pixelFormat.FourCcIsValid = true;
break;
}
return pixelFormat;
}
public void SetTexture2D(byte[] texture,int width,int height,TextureFormat format)
{
m_Texture = texture;
m_width = width;
m_height = height;
if (m_Texture == null) {
return;
}
if (m_Texture.Length != m_lastArrayLength) {
if(m_lastArrayPtr!=IntPtr.Zero)
Marshal.FreeHGlobal(m_lastArrayPtr);
m_lastArrayPtr = Marshal.AllocHGlobal(m_Texture.Length);
}
switch (format) {
case TextureFormat.ARGB32:
case TextureFormat.RGBA32:
m_format=EPixelFormat.EPixel_R8G8B8A8;
break;
case TextureFormat.Alpha8:
m_format=EPixelFormat.EPixel_Alpha8;
break;
case TextureFormat.RGB24:
m_format=EPixelFormat.EPixel_R8G8B8;
break;
}
}
public static SKImage DecodeImage(byte[] sequence, int width, int height, int depth, EPixelFormat format)
{
byte[] data;
SKColorType colorType;
switch (format)
{
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DecodeDXT5(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DecodeDXT1(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_8x8:
var x = (int)TextureFormatHelper.GetBlockWidth(format);
var y = (int)TextureFormatHelper.GetBlockHeight(format);
var z = (int)TextureFormatHelper.GetBlockDepth(format);
data = ASTCDecoder.DecodeToRGBA8888(sequence, x, y, z, width, height, 1);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_B8G8R8A8:
data = sequence;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.DecodeBC5(sequence, width, height);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.DecodeBC4(sequence, width, height);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_G8:
data = sequence;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
data = sequence;
colorType = SKColorType.RgbaF16;
break;
case EPixelFormat.PF_BC7:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC6H:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: true,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC_FLOAT,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBX8); // Not sure whether that works, would actually be DETEX_PIXEL_FORMAT_FLOAT_RGBX32
data = Detex.DecodeBC6H(sequence, width, height);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_ETC1:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC1,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGB:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGBA:
data = Detex.DecodeDetexLinear(sequence, width, height, isFloat: false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2_EAC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
default:
throw new NotImplementedException($"Cannot decode {format} format");
}
using var bitmap = new SKBitmap(new SKImageInfo(width, height, colorType, SKAlphaType.Unpremul));
unsafe
{
fixed(byte *p = data)
{
bitmap.SetPixels(new IntPtr(p));
}
}
return(SKImage.FromBitmap(bitmap));
}
/// <summary>
/// Initialises the overlay with the specified Boundings
/// </summary>
public void Initialise() {
mDevice = new Device();
mDevice.SetCooperativeLevel( null, CooperativeLevelFlags.Normal ); //Only a overlay..
//Create Primary
SurfaceDescription desc = new SurfaceDescription();
desc.SurfaceCaps.PrimarySurface = true;
mPrimary = new Surface( desc, mDevice );
//Create buffer
desc = new SurfaceDescription();
desc.Width = Boundings.Width;
desc.Height = Boundings.Height;
desc.BackBufferCount = 1;
desc.SurfaceCaps.Flip = true;
desc.SurfaceCaps.Overlay = true;
desc.SurfaceCaps.Complex = true;
desc.SurfaceCaps.VideoMemory = true;
//Try which pixelformat works
do {
try {
desc.PixelFormatStructure = GetPixelFormat( mPixelFormat );
mBuffer = new Surface( desc, mDevice );
} catch( InvalidPixelFormatException ) {
mPixelFormat++;
} catch( DirectXException ex ) {
System.Diagnostics.Debug.WriteLine( ex );
mBuffer = null;
break;
}
} while( mBuffer == null && Enum.IsDefined( typeof( EPixelFormat ), mPixelFormat ) ); //Stop if a valid format is found or no one is left
if( mBuffer == null || Enum.IsDefined( typeof( EPixelFormat ), mPixelFormat ) == false ) {
mPixelFormat = EPixelFormat.RGB32; // reset Format
mBuffer = null;
throw new GraphicsException( "Could not create overlay - Either your graphic card does not support any of the available pixelformats or overlays in general." );
}
//Create backbuffer
SurfaceCaps caps = new SurfaceCaps();
caps.BackBuffer = true;
mBackBuffer = mBuffer.GetAttachedSurface( caps );
//Create rendertarget
//Bitmap works on every graphicscard, a RGB-Surface wont
mRenderTarget = new Bitmap( Boundings.Width, Boundings.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb );
CreateFlags();
}
public static bool HasFormatTableKey(EPixelFormat Format)
{
return(FormatTable.ContainsKey(GetBaseFormat(Format)));
}
public static bool IsBCNCompressed(EPixelFormat Format)
{
return(Format.ToString().StartsWith("BC"));
}
private static void DecodeTexture(FTexture2DMipMap mip, EPixelFormat format, out byte[] data, out SKColorType colorType)
{
switch (format)
{
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DXT1(mip.Data.Data, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DXT5(mip.Data.Data, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_8x8:
data = ASTCDecoder.RGBA8888(
mip.Data.Data,
FormatHelper.GetBlockWidth(format),
FormatHelper.GetBlockHeight(format),
FormatHelper.GetBlockDepth(format),
mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.BC4(mip.Data.Data, mip.SizeX, mip.SizeY);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.BC5(mip.Data.Data, mip.SizeX, mip.SizeY);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_BC6H:
// BC6H doesn't work no matter the pixel format, the closest we can get is either
// Rgb565 DETEX_PIXEL_FORMAT_FLOAT_RGBX16 or Rgb565 DETEX_PIXEL_FORMAT_FLOAT_BGRX16
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, true,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC_FLOAT,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_FLOAT_RGBX16);
colorType = SKColorType.Rgb565;
break;
case EPixelFormat.PF_BC7:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_BPTC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgb888x;
break;
case EPixelFormat.PF_ETC1:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC1,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGB:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ETC2_RGBA:
data = Detex.DecodeDetexLinear(mip.Data.Data, mip.SizeX, mip.SizeY, false,
inputFormat: DetexTextureFormat.DETEX_TEXTURE_FORMAT_ETC2_EAC,
outputPixelFormat: DetexPixelFormat.DETEX_PIXEL_FORMAT_RGBA8);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_B8G8R8A8:
data = mip.Data.Data;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_G8:
data = mip.Data.Data;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
data = mip.Data.Data;
colorType = SKColorType.RgbaF16;
break;
default: throw new NotImplementedException($"Unknown pixel format: {format}");
}
}
public static SKImage DecodeImage(byte[] sequence, int width, int height, int depth, EPixelFormat format)
{
byte[] data;
SKColorType colorType;
switch (format)
{
case EPixelFormat.PF_DXT5:
data = DXTDecoder.DecodeDXT5(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_DXT1:
data = DXTDecoder.DecodeDXT1(sequence, width, height, depth);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_ASTC_8x8:
var x = (int)TextureFormatHelper.GetBlockWidth(format);
var y = (int)TextureFormatHelper.GetBlockHeight(format);
var z = (int)TextureFormatHelper.GetBlockDepth(format);
data = ASTCDecoder.DecodeToRGBA8888(sequence, x, y, z, width, height, 1);
colorType = SKColorType.Rgba8888;
break;
case EPixelFormat.PF_B8G8R8A8:
data = sequence;
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_BC5:
data = BCDecoder.DecodeBC5(sequence, width, height);
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_BC4:
data = BCDecoder.DecodeBC4(sequence, width, height);
colorType = SKColorType.Bgra8888;
break;
case EPixelFormat.PF_G8:
data = sequence;
colorType = SKColorType.Gray8;
break;
case EPixelFormat.PF_FloatRGBA:
data = sequence;
colorType = SKColorType.RgbaF16;
break;
default:
throw new NotImplementedException($"Cannot decode {format} format");
}
using var bitmap = new SKBitmap(new SKImageInfo(width, height, colorType, SKAlphaType.Unpremul));
unsafe
{
fixed(byte *p = data)
{
bitmap.SetPixels(new IntPtr(p));
}
}
return(SKImage.FromBitmap(bitmap));
}
public static void DecodeTextureNSW(FTexture2DMipMap mip, EPixelFormat format, bool isNormalMap, out byte[] data, out SKColorType colorType)
{
switch (format)
{
case EPixelFormat.PF_DXT5:
{
var uBlockSize = mip.SizeX / 4;
var vBlockSize = mip.SizeY / 4;
var totalBlocks = mip.Data.Data.Length / 16;
if (uBlockSize * vBlockSize > totalBlocks)
{
throw new ParserException($"Texture unable to be untiled: {format}");
}
var d = PlatformDeswizzlers.DesizzleNSW(mip.Data.Data, mip.SizeX, mip.SizeY, 4, 4, 16);
data = DXTDecoder.DXT5(d, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
}
case EPixelFormat.PF_DXT1:
{
var uBlockSize = mip.SizeX / 4;
var vBlockSize = mip.SizeY / 4;
var totalBlocks = mip.Data.Data.Length / 8;
if (uBlockSize * vBlockSize > totalBlocks)
{
throw new ParserException($"Texture unable to be untiled: {format}");
}
var d = PlatformDeswizzlers.DesizzleNSW(mip.Data.Data, mip.SizeX, mip.SizeY, 4, 4, 8);
data = DXTDecoder.DXT1(d, mip.SizeX, mip.SizeY, mip.SizeZ);
colorType = SKColorType.Rgba8888;
break;
}
case EPixelFormat.PF_B8G8R8A8:
{
var uBlockSize = mip.SizeX / 4;
var vBlockSize = mip.SizeY / 4;
var totalBlocks = mip.Data.Data.Length / 4;
if (uBlockSize * vBlockSize > totalBlocks)
{
throw new ParserException($"Texture unable to be untiled: {format}");
}
data = PlatformDeswizzlers.DesizzleNSW(mip.Data.Data, mip.SizeX, mip.SizeY, 1, 1, 4);
colorType = SKColorType.Bgra8888;
break;
}
default:
{
TextureDecoder.DecodeTexture(mip, format, isNormalMap, out data, out colorType);
break;
}
}
}
