public unsafe void analyzeBuffer()
{
float u, v;
byte m, t;
for (int slId = 0; slId < fullBitmap.Height; ++slId)
{
var scanline = fullBitmap.GetScanline <RGBQUAD>(slId);
RGBQUAD[] slData = scanline.Data;
for (int pxId = 0; pxId < scanline.Count; ++pxId)
{
var px = slData[pxId];
t = px.rgbReserved; //There is a change of this changing to the wrong texture id, but who knows if would happen (precision issues)
IndirectionTexture indirectionTexture;
if (t != 255 && virtualTextureManager.getIndirectionTexture(t, out indirectionTexture))
{
//Here the uvs are crushed to 8 bit, but should be ok since we are just detecting pages
//with this number this allows 255 pages to be decenly processsed above that data might be lost.
u = px.rgbRed / 255.0f;
v = px.rgbGreen / 255.0f;
m = px.rgbBlue;
indirectionTexture.processPage(u, v, m);
}
}
}
}
private bool loadPage(VTexPage page, StagingBufferSet stagingBuffers)
{
bool added = false;
try
{
//First see if we still have that page in our virtual texture pool, possible optimization to sort these to the front of the list
if (physicalPageQueue.Count > 0) //Do we have pages available
{
PTexPage pTexPage = physicalPageQueue[0]; //The physical page candidate, do not modify before usedPhysicalPages if statement below
if (loadImages(page, pTexPage, stagingBuffers))
{
//Alert old texture of removal if there was one, Do not modify pTexPage above this if block, we need the old data
IndirectionTexture oldIndirectionTexture = null;
if (pTexPage.VirtualTexturePage != null)
{
if (virtualTextureManager.getIndirectionTexture(pTexPage.VirtualTexturePage.indirectionTexId, out oldIndirectionTexture))
{
oldIndirectionTexture.removePhysicalPage(pTexPage);
}
physicalPagePool.Remove(pTexPage.VirtualTexturePage); //Be sure to remove the page from the pool if it was used previously
}
physicalPageQueue.RemoveAt(0);
pTexPage.VirtualTexturePage = page;
usedPhysicalPages.Add(page, pTexPage);
//Add to new indirection texture
IndirectionTexture newIndirectionTex;
if (virtualTextureManager.getIndirectionTexture(page.indirectionTexId, out newIndirectionTex))
{
newIndirectionTex.addPhysicalPage(pTexPage);
stagingBuffers.setIndirectionTextures(oldIndirectionTexture, newIndirectionTex);
}
added = true;
}
}
}
catch (Exception ex)
{
Logging.Log.Debug("{0} loading page {1}. Message: {2}", ex.GetType().Name, page.ToString(), ex.Message);
}
return(added);
}