/// <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>
/// 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));
}
private extern static bool pvrttCopyChannels(IntPtr sTexture, IntPtr sTextureSource, uint uiNumChannelCopies, out EChannelName eChannels, out EChannelName eChannelsSource);
/// <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);
}
private extern static bool pvrttCopyChannels(IntPtr sTexture, IntPtr sTextureSource, uint uiNumChannelCopies, out EChannelName eChannels, out EChannelName eChannelsSource);
