/// <summary>
/// Determines whether this requested format is supported.
/// </summary>
/// <param name="format">The format.</param>
/// <returns>
/// <c>true</c> if the formats is supported; otherwise, <c>false</c>.
/// </returns>
public bool SupportFormat(SiliconStudio.Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case SiliconStudio.Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
case SiliconStudio.Xenko.Graphics.PixelFormat.B8G8R8A8_UNorm:
case SiliconStudio.Xenko.Graphics.PixelFormat.ATC_RGB:
case SiliconStudio.Xenko.Graphics.PixelFormat.ATC_RGBA_Explicit:
case SiliconStudio.Xenko.Graphics.PixelFormat.ATC_RGBA_Interpolated:
return(true);
default:
return(false);
}
}
/// <summary>
/// Retrieves the native format from <see cref="SiliconStudio.Xenko.Graphics.PixelFormat"/>.
/// </summary>
/// <param name="format">The format.</param>
/// <returns>the corresponding <see cref="Format"/> format</returns>
private Format RetrieveNativeFormat(SiliconStudio.Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case SiliconStudio.Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
case SiliconStudio.Xenko.Graphics.PixelFormat.B8G8R8A8_UNorm:
return(Format.ATI_TC_FORMAT_ARGB_8888);
case SiliconStudio.Xenko.Graphics.PixelFormat.ATC_RGB:
return(Format.ATI_TC_FORMAT_ATC_RGB);
case SiliconStudio.Xenko.Graphics.PixelFormat.ATC_RGBA_Explicit:
return(Format.ATI_TC_FORMAT_ATC_RGBA_Explicit);
case SiliconStudio.Xenko.Graphics.PixelFormat.ATC_RGBA_Interpolated:
return(Format.ATI_TC_FORMAT_ATC_RGBA_Interpolated);
default:
throw new TextureToolsException("UnHandled compression format by ATI texture.");
}
}
/// <summary>
/// Converts a <see cref="Format"/> to a a WIC <see cref="WIC.PixelFormat"/>.
/// </summary>
/// <param name="format">A <see cref="Format"/></param>
/// <param name="guid">A WIC <see cref="WIC.PixelFormat"/> Guid.</param>
/// <returns>True if conversion succeed, false otherwise.</returns>
private static bool ToWIC(Format format, out Guid guid)
{
for (int i = 0; i < WICToDXGIFormats.Length; ++i)
{
if (WICToDXGIFormats[i].Format == format)
{
guid = WICToDXGIFormats[i].WIC;
return(true);
}
}
// Special cases
switch (format)
{
case Format.R8G8B8A8_UNorm_SRgb:
guid = SharpDX.WIC.PixelFormat.Format32bppRGBA;
return(true);
case Format.D32_Float:
guid = SharpDX.WIC.PixelFormat.Format32bppGrayFloat;
return(true);
case Format.D16_UNorm:
guid = SharpDX.WIC.PixelFormat.Format16bppGray;
return(true);
case Format.B8G8R8A8_UNorm_SRgb:
guid = SharpDX.WIC.PixelFormat.Format32bppBGRA;
return(true);
case Format.B8G8R8X8_UNorm_SRgb:
guid = SharpDX.WIC.PixelFormat.Format32bppBGR;
return(true);
}
guid = Guid.Empty;
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="CompressingRequest"/> class.
/// </summary>
/// <param name="format">The compression format.</param>
public CompressingRequest(SiliconStudio.Xenko.Graphics.PixelFormat format, TextureQuality quality = TextureQuality.Fast)
{
this.Format = format;
this.Quality = quality;
}
/// <summary>
/// Initializes a new instance of the <see cref="ConvertingRequest"/> class.
/// </summary>
/// <param name="format">The destination format.</param>
public ConvertingRequest(SiliconStudio.Xenko.Graphics.PixelFormat format)
{
this.Format = format;
}
/// <summary>
/// Initializes a new instance of the <see cref="ConvertingRequest"/> class.
/// </summary>
/// <param name="format">The destination format.</param>
public ConvertingRequest(SiliconStudio.Xenko.Graphics.PixelFormat format)
{
this.Format = format;
}
//-------------------------------------------------------------------------------------
// Returns the DXGI format and optionally the WIC pixel Guid to convert to
//-------------------------------------------------------------------------------------
private static Format DetermineFormat(Guid pixelFormat, WICFlags flags, out Guid pixelFormatOut)
{
Format format = ToDXGI(pixelFormat);
pixelFormatOut = Guid.Empty;
if (format == Format.None)
{
for (int i = 0; i < WICConvertTable.Length; ++i)
{
if (WICConvertTable[i].source == pixelFormat)
{
pixelFormatOut = WICConvertTable[i].target;
format = ToDXGI(WICConvertTable[i].target);
Debug.Assert(format != Format.None);
break;
}
}
}
// Handle special cases based on flags
switch (format)
{
case Format.B8G8R8A8_UNorm: // BGRA
case Format.B8G8R8X8_UNorm: // BGRX
if ((flags & WICFlags.ForceRgb) != 0)
{
format = Format.R8G8B8A8_UNorm;
pixelFormatOut = WIC.PixelFormat.Format32bppRGBA;
}
break;
case Format.R10G10B10_Xr_Bias_A2_UNorm:
if ((flags & WICFlags.NoX2Bias) != 0)
{
format = Format.R10G10B10A2_UNorm;
pixelFormatOut = WIC.PixelFormat.Format32bppRGBA1010102;
}
break;
case Format.B5G5R5A1_UNorm:
case Format.B5G6R5_UNorm:
if ((flags & WICFlags.No16Bpp) != 0)
{
format = Format.R8G8B8A8_UNorm;
pixelFormatOut = WIC.PixelFormat.Format32bppRGBA;
}
break;
case Format.R1_UNorm:
if ((flags & WICFlags.FlagsAllowMono) == 0)
{
// By default we want to promote a black & white to greyscale since R1 is not a generally supported D3D format
format = Format.R8_UNorm;
pixelFormatOut = WIC.PixelFormat.Format8bppGray;
}
break;
}
return(format);
}
public WICTranslate(Guid wic, Format format)
{
this.WIC = wic;
this.Format = format;
}
public WICTranslate(Guid wic, Format format)
{
this.WIC = wic;
this.Format = format;
}
/// <summary>
/// Converts a <see cref="Format"/> to a a WIC <see cref="WIC.PixelFormat"/>.
/// </summary>
/// <param name="format">A <see cref="Format"/></param>
/// <param name="guid">A WIC <see cref="WIC.PixelFormat"/> Guid.</param>
/// <returns>True if conversion succeed, false otherwise.</returns>
private static bool ToWIC(Format format, out Guid guid)
{
for (int i = 0; i < WICToDXGIFormats.Length; ++i)
{
if (WICToDXGIFormats[i].Format == format)
{
guid = WICToDXGIFormats[i].WIC;
return true;
}
}
// Special cases
switch (format)
{
case Format.R8G8B8A8_UNorm_SRgb:
guid = SharpDX.WIC.PixelFormat.Format32bppRGBA;
return true;
case Format.D32_Float:
guid = SharpDX.WIC.PixelFormat.Format32bppGrayFloat;
return true;
case Format.D16_UNorm:
guid = SharpDX.WIC.PixelFormat.Format16bppGray;
return true;
case Format.B8G8R8A8_UNorm_SRgb:
guid = SharpDX.WIC.PixelFormat.Format32bppBGRA;
return true;
case Format.B8G8R8X8_UNorm_SRgb:
guid = SharpDX.WIC.PixelFormat.Format32bppBGR;
return true;
}
guid = Guid.Empty;
return false;
}
