//try to evaluate the xna compatible surface for the present data
private static SurfaceFormat SurfaceFormatFromLoadFormat(LoadSurfaceFormat loadSurfaceFormat, FourCC compressionFormat, uint pixelFlags, int rgbBitCount)
{
if (loadSurfaceFormat == LoadSurfaceFormat.Unknown)
{
switch (compressionFormat)
{
case FourCC.D3DFMT_DXT1:
return SurfaceFormat.Dxt1;
case FourCC.D3DFMT_DXT3:
return SurfaceFormat.Dxt3;
case FourCC.D3DFMT_DXT5:
return SurfaceFormat.Dxt5;
case 0:
if (rgbBitCount == 8)
{
return SurfaceFormat.Alpha8;
}
if (rgbBitCount == 16)
{
if (HasAlphaTest(pixelFlags))
{
return SurfaceFormat.Bgr565;
}
else
{
return SurfaceFormat.Bgra4444;
}
}
if (rgbBitCount == 32 || rgbBitCount == 24)
{
return SurfaceFormat.Color;
}
break;
default:
throw new Exception("Unsuported format");
}
}
else
{
switch (loadSurfaceFormat)
{
case LoadSurfaceFormat.Alpha8:
return SurfaceFormat.Alpha8;
case LoadSurfaceFormat.Bgr565:
return SurfaceFormat.Bgr565;
case LoadSurfaceFormat.Bgra4444:
return SurfaceFormat.Bgra4444;
case LoadSurfaceFormat.Bgra5551:
return SurfaceFormat.Bgra5551;
case LoadSurfaceFormat.A8R8G8B8:
return SurfaceFormat.Color;
case LoadSurfaceFormat.Dxt1:
return SurfaceFormat.Dxt1;
case LoadSurfaceFormat.Dxt3:
return SurfaceFormat.Dxt3;
case LoadSurfaceFormat.Dxt5:
return SurfaceFormat.Dxt5;
//Updated at load time to X8R8B8B8
case LoadSurfaceFormat.R8G8B8:
return SurfaceFormat.Color;
case LoadSurfaceFormat.X8B8G8R8:
return SurfaceFormat.Color;
case LoadSurfaceFormat.X8R8G8B8:
return SurfaceFormat.Color;
case LoadSurfaceFormat.A8B8G8R8:
return SurfaceFormat.Color;
case LoadSurfaceFormat.R32F:
return SurfaceFormat.Single;
case LoadSurfaceFormat.A32B32G32R32F:
return SurfaceFormat.Vector4;
case LoadSurfaceFormat.G32R32F:
return SurfaceFormat.Vector2;
case LoadSurfaceFormat.R16F:
return SurfaceFormat.HalfSingle;
case LoadSurfaceFormat.G16R16F:
return SurfaceFormat.HalfVector2;
case LoadSurfaceFormat.A16B16G16R16F:
return SurfaceFormat.HalfVector4;
case LoadSurfaceFormat.CxV8U8:
return SurfaceFormat.NormalizedByte2;
case LoadSurfaceFormat.Q8W8V8U8:
return SurfaceFormat.NormalizedByte4;
case LoadSurfaceFormat.G16R16:
return SurfaceFormat.Rg32;
case LoadSurfaceFormat.A2B10G10R10:
return SurfaceFormat.Rgba1010102;
case LoadSurfaceFormat.A16B16G16R16:
return SurfaceFormat.Rgba64;
default:
throw new Exception(loadSurfaceFormat.ToString() + " is an unsuported format");
}
}
throw new Exception("Unsuported format");
}
//try to evaluate the xna compatible surface for the present data
private static SurfaceFormat SurfaceFormatFromLoadFormat(LoadSurfaceFormat loadSurfaceFormat, FourCC compressionFormat, uint pixelFlags, int rgbBitCount)
{
switch (loadSurfaceFormat)
{
case LoadSurfaceFormat.Alpha8: return(SurfaceFormat.Alpha8);
case LoadSurfaceFormat.Bgr565: return(SurfaceFormat.Bgr565);
case LoadSurfaceFormat.Bgra4444: return(SurfaceFormat.Bgra4444);
case LoadSurfaceFormat.Bgra5551: return(SurfaceFormat.Bgra5551);
case LoadSurfaceFormat.A8R8G8B8: return(SurfaceFormat.Color);
case LoadSurfaceFormat.Dxt1: return(SurfaceFormat.Dxt1);
case LoadSurfaceFormat.Dxt3: return(SurfaceFormat.Dxt3);
case LoadSurfaceFormat.Dxt5: return(SurfaceFormat.Dxt5);
case LoadSurfaceFormat.R8G8B8: return(SurfaceFormat.Color); //Updated at load time to X8R8B8B8
case LoadSurfaceFormat.X8B8G8R8: return(SurfaceFormat.Color);
case LoadSurfaceFormat.X8R8G8B8: return(SurfaceFormat.Color);
case LoadSurfaceFormat.A8B8G8R8: return(SurfaceFormat.Color);
case LoadSurfaceFormat.R32F: return(SurfaceFormat.Single);
case LoadSurfaceFormat.A32B32G32R32F: return(SurfaceFormat.Vector4);
case LoadSurfaceFormat.G32R32F: return(SurfaceFormat.Vector2);
case LoadSurfaceFormat.R16F: return(SurfaceFormat.HalfSingle);
case LoadSurfaceFormat.G16R16F: return(SurfaceFormat.HalfVector2);
case LoadSurfaceFormat.A16B16G16R16F: return(SurfaceFormat.HalfVector4);
case LoadSurfaceFormat.CxV8U8: return(SurfaceFormat.NormalizedByte2);
case LoadSurfaceFormat.Q8W8V8U8: return(SurfaceFormat.NormalizedByte4);
case LoadSurfaceFormat.G16R16: return(SurfaceFormat.Rg32);
case LoadSurfaceFormat.A2B10G10R10: return(SurfaceFormat.Rgba1010102);
case LoadSurfaceFormat.A16B16G16R16: return(SurfaceFormat.Rgba64);
case LoadSurfaceFormat.Unknown:
switch (compressionFormat)
{
case FourCC.D3DFMT_DXT1: return(SurfaceFormat.Dxt1);
case FourCC.D3DFMT_DXT3: return(SurfaceFormat.Dxt3);
case FourCC.D3DFMT_DXT5: return(SurfaceFormat.Dxt5);
case 0:
switch (rgbBitCount)
{
case 8: return(SurfaceFormat.Alpha8);
case 16: return(HasAlphaTest(pixelFlags) ? SurfaceFormat.Bgr565 : SurfaceFormat.Bgra4444);
case 24:
case 32: return(SurfaceFormat.Color);
}
break;
default:
throw new InvalidDataException("Unsupported format");
}
;
break;
default:
throw new InvalidDataException(loadSurfaceFormat.ToString() + " is an unsuported format");
}
throw new InvalidDataException("Unsupported format");
}
