public static bool GenerateNormalMap(PVRTexture sTexture, float fScale, string sChannelOrder)
{
return pvrttGenerateNormalMap(sTexture.texture, fScale, sChannelOrder);
}
public static bool PreMultipliedAlpha(PVRTexture sTexture)
{
return pvrttPreMultipliedAlpha(sTexture.texture);
}
/// <summary>
/// Resizes the specified texture.
/// </summary>
/// <param name="sTexture">The texture.</param>
/// <param name="u32NewWidth">The new width.</param>
/// <param name="u32NewHeight">The new height.</param>
/// <param name="u32NewDepth">The new depth.</param>
/// <param name="eResizeMode">The resize mode (Filter).</param>
/// <returns></returns>
public static bool Resize(PVRTexture sTexture, uint u32NewWidth, uint u32NewHeight, uint u32NewDepth, EResizeMode eResizeMode)
{
return pvrttResize(sTexture.texture, out u32NewWidth, out u32NewHeight, out u32NewDepth, eResizeMode);
}
/// <summary>
/// Flips the specified texture.
/// </summary>
/// <param name="sTexture">The texture.</param>
/// <param name="eFlipDirection">The flip direction.</param>
/// <returns></returns>
public static bool Flip(PVRTexture sTexture, EPVRTAxis eFlipDirection)
{
return pvrttFlip(sTexture.texture, eFlipDirection);
}
/// <summary>
/// Copies a specified channel from one texture to a specified channel in another texture.
/// </summary>
/// <param name="sTexture">The destination texture.</param>
/// <param name="sTextureSource">The source texture.</param>
/// <param name="uiNumChannelCopies">The UI num channel copies.</param>
/// <param name="eChannels">The destination channel.</param>
/// <param name="eChannelsSource">The source channel.</param>
/// <returns></returns>
public static bool CopyChannels(PVRTexture sTexture, PVRTexture sTextureSource, uint uiNumChannelCopies, out EChannelName eChannels, out EChannelName eChannelsSource)
{
return pvrttCopyChannels(sTexture.texture, sTextureSource.texture, uiNumChannelCopies, out eChannels, out eChannelsSource);
}
public static bool Transcode(PVRTexture sTexture, UInt64 ptFormat, EPVRTVariableType eChannelType, EPVRTColourSpace eColourspace, ECompressorQuality eQuality = ECompressorQuality.ePVRTCNormal, bool bDoDither = false)
{
return pvrttTranscode(sTexture.texture, ptFormat, eChannelType, eColourspace, eQuality, bDoDither);
}
public static bool GenerateNormalMap(PVRTexture sTexture, float fScale, string sChannelOrder)
{
return(pvrttGenerateNormalMap(sTexture.texture, fScale, sChannelOrder));
}
public static bool PreMultipliedAlpha(PVRTexture sTexture)
{
return(pvrttPreMultipliedAlpha(sTexture.texture));
}
/// <summary>
/// Flips the specified texture.
/// </summary>
/// <param name="sTexture">The texture.</param>
/// <param name="eFlipDirection">The flip direction.</param>
/// <returns></returns>
public static bool Flip(PVRTexture sTexture, EPVRTAxis eFlipDirection)
{
return(pvrttFlip(sTexture.texture, eFlipDirection));
}
/// <summary>
/// Rotates a texture by 90 degrees around the given axis. bForward controls direction of rotation.
/// </summary>
/// <param name="sTexture">The texture.</param>
/// <param name="eRotationAxis">Rotation axis</param>
/// <param name="bForward">Direction of rotation; 1 = clockwise, 0 = anti-clockwise </param>
/// <returns>True if the method succeeds or not.</returns>
public static bool Rotate90(PVRTexture sTexture, EPVRTAxis eRotationAxis, bool bForward = true)
{
return(pvrttRotate90(sTexture.texture, eRotationAxis, bForward));
}
/// <summary>
/// Resizes the specified texture.
/// </summary>
/// <param name="sTexture">The texture.</param>
/// <param name="u32NewWidth">The new width.</param>
/// <param name="u32NewHeight">The new height.</param>
/// <param name="u32NewDepth">The new depth.</param>
/// <param name="eResizeMode">The resize mode (Filter).</param>
/// <returns></returns>
public static bool Resize(PVRTexture sTexture, uint u32NewWidth, uint u32NewHeight, uint u32NewDepth, EResizeMode eResizeMode)
{
return(pvrttResize(sTexture.texture, out u32NewWidth, out u32NewHeight, out u32NewDepth, eResizeMode));
}
public static bool Transcode(PVRTexture sTexture, UInt64 ptFormat, EPVRTVariableType eChannelType, EPVRTColourSpace eColourspace, ECompressorQuality eQuality = ECompressorQuality.ePVRTCNormal, bool bDoDither = false)
{
return(pvrttTranscode(sTexture.texture, ptFormat, eChannelType, eColourspace, eQuality, bDoDither));
}
/// <summary>
/// Copies a specified channel from one texture to a specified channel in another texture.
/// </summary>
/// <param name="sTexture">The destination texture.</param>
/// <param name="sTextureSource">The source texture.</param>
/// <param name="uiNumChannelCopies">The UI num channel copies.</param>
/// <param name="eChannels">The destination channel.</param>
/// <param name="eChannelsSource">The source channel.</param>
/// <returns></returns>
public static bool CopyChannels(PVRTexture sTexture, PVRTexture sTextureSource, uint uiNumChannelCopies, out EChannelName eChannels, out EChannelName eChannelsSource)
{
return(pvrttCopyChannels(sTexture.texture, sTextureSource.texture, uiNumChannelCopies, out eChannels, out eChannelsSource));
}
/// <summary>
/// Switches the channels R and B.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="libraryData">The library data.</param>
/// <param name="request">The request.</param>
/// <exception cref="TexLibraryException">Unsuported format for channel switching.</exception>
private void SwitchChannels(TexImage image, PvrTextureLibraryData libraryData, SwitchingBRChannelsRequest request)
{
Log.Info("Switching channels B and R ...");
switch (image.Format)
{
case SiliconStudio.Paradox.Graphics.PixelFormat.B8G8R8A8_UNorm:
image.Format = SiliconStudio.Paradox.Graphics.PixelFormat.R8G8B8A8_UNorm; break;
case SiliconStudio.Paradox.Graphics.PixelFormat.B8G8R8A8_Typeless:
image.Format = SiliconStudio.Paradox.Graphics.PixelFormat.R8G8B8A8_Typeless; break;
case SiliconStudio.Paradox.Graphics.PixelFormat.B8G8R8A8_UNorm_SRgb:
image.Format = SiliconStudio.Paradox.Graphics.PixelFormat.R8G8B8A8_UNorm_SRgb; break;
case SiliconStudio.Paradox.Graphics.PixelFormat.R8G8B8A8_Typeless:
image.Format = SiliconStudio.Paradox.Graphics.PixelFormat.B8G8R8A8_Typeless; break;
case SiliconStudio.Paradox.Graphics.PixelFormat.R8G8B8A8_UNorm:
image.Format = SiliconStudio.Paradox.Graphics.PixelFormat.B8G8R8A8_UNorm; break;
case SiliconStudio.Paradox.Graphics.PixelFormat.R8G8B8A8_UNorm_SRgb:
image.Format = SiliconStudio.Paradox.Graphics.PixelFormat.B8G8R8A8_UNorm_SRgb; break;
default:
Log.Error("Unsuported format for channel switching.");
throw new TextureToolsException("Unsuported format for channel switching.");
}
PVRTexture textureTemp = new PVRTexture(libraryData.Header, libraryData.Texture.GetDataPtr());
EChannelName e1 = EChannelName.eBlue;
EChannelName e2 = EChannelName.eRed;
Utilities.CopyChannels(libraryData.Texture, textureTemp, 1, out e1, out e2);
Utilities.CopyChannels(libraryData.Texture, textureTemp, 1, out e2, out e1);
textureTemp.Dispose();
UpdateImage(image, libraryData);
}
/// <summary>
/// Exports the specified image.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="libraryData">The library data.</param>
/// <param name="export">The export request.</param>
private void Export(TexImage image, PvrTextureLibraryData libraryData, ExportRequest request)
{
Log.Info("Exporting to " + request.FilePath + " ...");
if (request.MinimumMipMapSize > 1) // if a mimimun mipmap size was requested
{
int newMipMapCount = image.MipmapCount;
for (int i = image.MipmapCount - 1; i > 0; --i) // looking for the mipmap level corresponding to the minimum size requeted.
{
if (libraryData.Header.GetWidth((uint)i) >= request.MinimumMipMapSize || libraryData.Header.GetHeight((uint)i) >= request.MinimumMipMapSize)
{
break;
}
--newMipMapCount;
}
// Creating a new texture corresponding to the requested mipmap levels
PVRTextureHeader header = new PVRTextureHeader(RetrieveNativeFormat(image.Format), image.Height, image.Width, image.Depth, newMipMapCount, image.ArraySize, image.FaceCount);
PVRTexture texture = new PVRTexture(header, IntPtr.Zero);
try
{
for (uint i = 0; i < image.FaceCount; ++i)
{
for (uint j = 0; j < image.ArraySize; ++j)
{
for (uint k = 0; k < newMipMapCount; ++k)
{
Core.Utilities.CopyMemory(texture.GetDataPtr(k, j, i), libraryData.Texture.GetDataPtr(k, j, i), (int)libraryData.Header.GetDataSize((int)k, false, false));
}
}
}
}
catch (AccessViolationException e)
{
texture.Dispose();
Log.Error("Failed to export texture with the mipmap minimum size request. ", e);
throw new TextureToolsException("Failed to export texture with the mipmap minimum size request. ", e);
}
// Saving the texture into a file and deleting it
texture.Save(request.FilePath);
texture.Dispose();
}
else
{
libraryData.Texture.Save(request.FilePath);
}
image.Save(request.FilePath);
}
