public BufferedPhysicalTexture(String name, IntSize2 size, VirtualTextureManager virtualTextureManager, int texelsPerPage, PixelFormat pixelFormat)
{
Index = currentId++;
this.name = name;
this.texelsPerPage = texelsPerPage;
this.size = size;
this.virtualTextureManager = virtualTextureManager;
this.textureName = "PhysicalTexture" + name;
this.pixelFormat = pixelFormat;
createTexture();
}
public FeedbackBuffer(VirtualTextureManager virtualTextureManager, IntSize2 renderSize, int id, uint visibilityMask)
{
this.id = id;
this.virtualTextureManager = virtualTextureManager;
this.visibilityMask = visibilityMask;
texture = TextureManager.getInstance().createManual(TextureName, VirtualTextureManager.ResourceGroup, TextureType.TEX_TYPE_2D, (uint)renderSize.Width, (uint)renderSize.Height, 1, 0, OgrePlugin.PixelFormat.PF_A8R8G8B8, TextureUsage.TU_RENDERTARGET, null, false, 0);
fullBitmap = new FreeImageBitmap((int)texture.Value.Width, (int)texture.Value.Height, FreeImageAPI.PixelFormat.Format32bppRgb);
fullBitmapBox = fullBitmap.createPixelBox(OgrePlugin.PixelFormat.PF_A8R8G8B8);
pixelBuffer = texture.Value.getBuffer();
pixelBuffer.Value.OptimizeReadback = true;
renderTexture = pixelBuffer.Value.getRenderTarget();
renderTexture.setAutoUpdated(false);
}
public IndirectionTexture(String materialSetKey, IntSize2 realTextureSize, int texelsPerPage, VirtualTextureManager virtualTextureManager, bool keepHighestMip)
{
this.MaterialSetKey = materialSetKey;
this.keepHighestMip = keepHighestMip;
this.virtualTextureManager = virtualTextureManager;
this.realTextureSize = realTextureSize;
numPages = realTextureSize / texelsPerPage;
if (numPages.Width == 0)
{
numPages.Width = 1;
}
if (numPages.Height == 0)
{
numPages.Height = 1;
}
for (highestMip = 0; realTextureSize.Width >> highestMip >= texelsPerPage && realTextureSize.Height >> highestMip >= texelsPerPage; ++highestMip)
{
}
indirectionTexture = TextureManager.getInstance().createManual(String.Format("{0}_IndirectionTexture_{1}", materialSetKey, id), VirtualTextureManager.ResourceGroup, TextureType.TEX_TYPE_2D,
(uint)numPages.Width, (uint)numPages.Height, 1, highestMip - 1, bufferFormat, virtualTextureManager.RendersystemSpecificTextureUsage, null, false, 0);
indirectionTexture.Value.AllowMipmapGeneration = false;
fiBitmap = new Image[highestMip];
buffer = new HardwarePixelBufferSharedPtr[highestMip];
pixelBox = new PixelBox[highestMip];
for (int i = 0; i < highestMip; ++i)
{
fiBitmap[i] = new Image(indirectionTexture.Value.Width >> i, indirectionTexture.Value.Height >> i, 1, indirectionTexture.Value.Format, 1, 0);
buffer[i] = indirectionTexture.Value.getBuffer(0, (uint)i);
pixelBox[i] = fiBitmap[i].getPixelBox();
#if DEBUG_MIP_LEVELS
//Temp, debug mip levels
for (uint x = 0; x < fiBitmap[i].Width; ++x)
{
for (uint y = 0; y < fiBitmap[i].Height; ++y)
{
fiBitmap[i].setColorAtARGB(new IntColor((byte)255, (byte)x, (byte)y, (byte)i).ARGB, x, y, 0);
}
}
#endif
}
restorePermanentPages();
}
public TextureLoader(VirtualTextureManager virtualTextureManager, IntSize2 physicalTextureSize, int textelsPerPage, int padding, int stagingBufferCount, int stagingImageCapacity, int maxMipCount, UInt64 maxCacheSizeBytes, bool texturesArePagedOnDisk)
{
textureCache = new TextureCache(maxCacheSizeBytes, texturesArePagedOnDisk);
this.virtualTextureManager = virtualTextureManager;
IntSize2 pageTableSize = physicalTextureSize / textelsPerPage;
this.maxPages = pageTableSize.Width * pageTableSize.Height;
this.textelsPerPage = textelsPerPage;
this.padding = padding;
this.padding2 = padding * 2;
this.textelsPerPhysicalPage = textelsPerPage + padding2;
this.Overprevisioned = true;
this.physicalTextureSize = physicalTextureSize;
addedPages = new HashSet <VTexPage>();
removedPages = new List <VTexPage>(10);
pagesToLoad = new List <VTexPage>(10);
stagingBufferSets = new List <StagingBufferSet>(stagingBufferCount);
for (int i = 0; i < stagingBufferCount; ++i)
{
stagingBufferSets.Add(new StagingBufferSet(stagingImageCapacity, maxMipCount));
}
copyTostagingImageTasks = new Task <bool> [stagingImageCapacity];
float scale = (float)textelsPerPage / textelsPerPhysicalPage;
PagePaddingScale = new Vector2(scale, scale);
scale = (float)padding / textelsPerPhysicalPage;
PagePaddingOffset = new Vector2(scale, scale);
//Build pool
physicalPageQueue = new List <PTexPage>(maxPages);
physicalPagePool = new Dictionary <VTexPage, PTexPage>();
usedPhysicalPages = new Dictionary <VTexPage, PTexPage>();
populatePhysicalPageQueue();
}
