private bool copyToStaging(VTexPage page, StagingBufferSet buffers, IndirectionTexture indirectionTexture, OriginalTextureInfo textureUnit)
{
bool usedPhysicalPage = false;
try
{
if (page.mip >= textureUnit.MipOffset)
{
//Load or grab from cache
using (var pageHandle = textureCache.getImage(page, indirectionTexture, textureUnit, textelsPerPage, padding, padding2))
{
buffers.setPhysicalPage(pageHandle.PixelBox, virtualTextureManager.getPhysicalTexture(textureUnit.TextureUnit), padding);
usedPhysicalPage = true;
}
}
else
{
Logging.Log.Warning("Unable to load mip map level {0} for texture {1}", page.mip - textureUnit.MipOffset, textureUnit.TextureFileName);
}
}
catch (Exception ex)
{
Logging.Log.Error("{0} loading image {1}. Message: {2}", ex.GetType().Name, textureUnit.TextureFileName, ex.Message);
}
return(usedPhysicalPage);
}
internal TexturePageHandle getImage(VTexPage page, IndirectionTexture indirectionTexture, OriginalTextureInfo textureUnit, int textelsPerPage, int padding, int padding2)
{
String textureName;
if (texturesArePaged)
{
textureName = textureUnit.TextureFileName;
}
else
{
textureName = String.Format("{0}_{1}", textureUnit.TextureFileName, indirectionTexture.RealTextureSize.Width >> page.mip);
}
TextureCacheHandle cacheHandle;
if (!this.TryGetValue(textureName, out cacheHandle))
{
String file = textureUnit.TextureFileName;
if (texturesArePaged) //Paged Images
{
//using (var perfMon = new LogPerformanceBlock(String.Format("Loaded image {0} in {{0}} ms", file), Logging.LogLevel.Info, "TextureCache"))
//{
PagedImage pagedImage = new PagedImage();
pagedImage.load(() => VirtualFileSystem.Instance.openStream(file, Engine.Resources.FileMode.Open, Engine.Resources.FileAccess.Read));
cacheHandle = this.Add(textureName, pagedImage);
//}
}
else //Normal Images
{
String extension = Path.GetExtension(file);
String directFile = textureUnit.TextureFileName.Substring(0, file.Length - extension.Length);
directFile = String.Format("{0}_{1}{2}", directFile, indirectionTexture.RealTextureSize.Width >> page.mip, extension);
if (VirtualFileSystem.Instance.exists(directFile))
{
var image = doLoadImage(extension, directFile);
cacheHandle = this.Add(textureName, image);
}
else
{
//Not using cache for full size images, this is a rare case that we are not really supporting right now
Image image = doLoadImage(extension, textureUnit.TextureFileName);
//If we aren't mip 0 resize accordingly
if (page.mip > image.NumMipmaps && page.mip != 0)
{
using (Image original = image)
{
image = new Image(original.Width >> page.mip, original.Height >> page.mip, original.Depth, original.Format, original.NumFaces, original.NumMipmaps);
using (var src = original.getPixelBox())
{
using (var dest = image.getPixelBox())
{
Image.Scale(src, dest, Image.Filter.FILTER_BILINEAR);
}
}
}
}
cacheHandle = this.Add(textureName, image);
}
}
}
return(cacheHandle.createTexturePageHandle(page, indirectionTexture, padding, padding2, textelsPerPage, textureUnit.MipOffset));
}
private Task <bool> fireCopyToStaging(VTexPage page, StagingBufferSet buffers, IndirectionTexture indirectionTexture, OriginalTextureInfo textureUnit)
{
return(Task.Run(() => copyToStaging(page, buffers, indirectionTexture, textureUnit)));
}