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cache in memory water texture

avinationmerge
UbitUmarov 2015-08-30 11:02:59 +01:00
parent bd11311845
commit ecfd442c9b
1 changed files with 107 additions and 35 deletions
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142
OpenSim/Services/MapImageService/MapImageService.cs
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@ -36,6 +36,7 @@ using System.Drawing.Imaging;
using System.IO;
using System.Net;
using System.Reflection;
using System.Threading;
using Nini.Config;
using log4net;
@ -65,6 +66,8 @@ namespace OpenSim.Services.MapImageService
private static bool m_Initialized = false;
private static string m_WaterTileFile = string.Empty;
private static Color m_Watercolor = Color.FromArgb(29, 71, 95);
private static Bitmap m_WaterBitmap = null;
private static byte[] m_WaterBytes = null;
public MapImageService(IConfigSource config)
{
@ -87,6 +90,18 @@ namespace OpenSim.Services.MapImageService
Bitmap waterTile = new Bitmap(IMAGE_WIDTH, IMAGE_WIDTH);
FillImage(waterTile, m_Watercolor);
waterTile.Save(m_WaterTileFile, ImageFormat.Jpeg);
m_WaterBitmap = waterTile;
}
if (File.Exists(m_WaterTileFile))
{
m_WaterBitmap = new Bitmap(m_WaterTileFile);
using (MemoryStream ms = new MemoryStream())
{
m_WaterBitmap.Save(ms,ImageFormat.Jpeg);
ms.Seek(0, SeekOrigin.Begin);
m_WaterBytes = ms.ToArray();
}
}
}
}
@ -139,32 +154,84 @@ namespace OpenSim.Services.MapImageService
return UpdateMultiResolutionFiles(x, y, scopeID, out reason);
}
// When large varregions start up, they can send piles of new map tiles. This causes
// this multi-resolution routine to be called a zillion times an causes much CPU
// time to be spent creating multi-resolution tiles that will be replaced when
// the next maptile arrives.
private class mapToMultiRez
{
public int xx;
public int yy;
public UUID scopeID;
public mapToMultiRez(int pX, int pY, UUID pscopeID)
{
xx = pX;
yy = pY;
scopeID = pscopeID;
}
};
private Queue<mapToMultiRez> multiRezToBuild = new Queue<mapToMultiRez>();
private bool UpdateMultiResolutionFiles(int x, int y, UUID scopeID, out string reason)
{
reason = String.Empty;
lock (m_Sync)
{
// Stitch seven more aggregate tiles together
for (uint zoomLevel = 2; zoomLevel <= ZOOM_LEVELS; zoomLevel++)
{
// Calculate the width (in full resolution tiles) and bottom-left
// corner of the current zoom level
int width = (int)Math.Pow(2, (double)(zoomLevel - 1));
int x1 = x - (x % width);
int y1 = y - (y % width);
if (!CreateTile(zoomLevel, x1, y1, scopeID))
{
m_log.WarnFormat("[MAP IMAGE SERVICE]: Unable to create tile for {0},{1} at zoom level {1}", x, y, zoomLevel);
reason = string.Format("Map tile at zoom level {0} failed", zoomLevel);
return false;
}
}
lock (multiRezToBuild)
{
// m_log.DebugFormat("{0} UpdateMultiResolutionFilesAsync: scheduling update for <{1},{2}>", LogHeader, x, y);
multiRezToBuild.Enqueue(new mapToMultiRez(x, y, scopeID));
if (multiRezToBuild.Count == 1)
Util.FireAndForget(
DoUpdateMultiResolutionFilesAsync);
}
return true;
}
private void DoUpdateMultiResolutionFilesAsync(object o)
{
// let acumulate large region tiles
Thread.Sleep(60 * 1000); // large regions take time to upload tiles
while (multiRezToBuild.Count > 0)
{
mapToMultiRez toMultiRez = null;
lock (multiRezToBuild)
{
if (multiRezToBuild.Count > 0)
toMultiRez = multiRezToBuild.Dequeue();
}
if (toMultiRez != null)
{
int x = toMultiRez.xx;
int y = toMultiRez.yy;
UUID scopeID = toMultiRez.scopeID;
// m_log.DebugFormat("{0} DoUpdateMultiResolutionFilesAsync: doing build for <{1},{2}>", LogHeader, x, y);
int width = 1;
// Stitch seven more aggregate tiles together
for (uint zoomLevel = 2; zoomLevel <= ZOOM_LEVELS; zoomLevel++)
{
// Calculate the width (in full resolution tiles) and bottom-left
// corner of the current zoom level
width *= 2;
int x1 = x - (x % width);
int y1 = y - (y % width);
lock (m_Sync) // must lock the reading and writing of the maptile files
{
if (!CreateTile(zoomLevel, x1, y1, scopeID))
{
m_log.WarnFormat("[MAP IMAGE SERVICE]: Unable to create tile for {0},{1} at zoom level {1}", x, y, zoomLevel);
return;
}
}
}
}
}
return;
}
public byte[] GetMapTile(string fileName, UUID scopeID, out string format)
{
// m_log.DebugFormat("[MAP IMAGE SERVICE]: Getting map tile {0}", fileName);
@ -178,9 +245,9 @@ namespace OpenSim.Services.MapImageService
//m_log.DebugFormat("[MAP IMAGE SERVICE]: Found file {0}, extension {1}", fileName, format);
return File.ReadAllBytes(fullName);
}
else if (File.Exists(m_WaterTileFile))
else if (m_WaterBytes != null)
{
return File.ReadAllBytes(m_WaterTileFile);
return (byte[])m_WaterBytes.Clone();
}
else
{
@ -226,7 +293,7 @@ namespace OpenSim.Services.MapImageService
{
// Create a new output tile with a transparent background
Bitmap bm = new Bitmap(IMAGE_WIDTH, IMAGE_WIDTH, PixelFormat.Format24bppRgb);
bm.MakeTransparent();
//bm.MakeTransparent(); // 24bpp does not have transparency, this whould make it 32bpp
return bm;
}
}
@ -260,48 +327,53 @@ namespace OpenSim.Services.MapImageService
// Open the output tile (current zoom level)
string outputFile = GetFileName(zoomLevel, xOut, yOut, scopeID);
Bitmap output = GetOutputTileImage(outputFile);
if (output == null)
return false;
FillImage(output, m_Watercolor);
int ntiles = 0;
Bitmap output = (Bitmap)m_WaterBitmap.Clone();
if (inputBL != null)
{
ImageCopyResampled(output, inputBL, 0, HALF_WIDTH, 0, 0);
inputBL.Dispose();
ntiles++;
}
if (inputBR != null)
{
ImageCopyResampled(output, inputBR, HALF_WIDTH, HALF_WIDTH, 0, 0);
inputBR.Dispose();
ntiles++;
}
if (inputTL != null)
{
ImageCopyResampled(output, inputTL, 0, 0, 0, 0);
inputTL.Dispose();
ntiles++;
}
if (inputTR != null)
{
ImageCopyResampled(output, inputTR, HALF_WIDTH, 0, 0, 0);
inputTR.Dispose();
ntiles++;
}
// Write the modified output
try
if (ntiles == 0)
File.Delete(outputFile);
else
{
using (Bitmap final = new Bitmap(output))
try
{
output.Dispose();
final.Save(outputFile, ImageFormat.Jpeg);
output.Save(outputFile, ImageFormat.Jpeg);
}
}
catch (Exception e)
{
m_log.WarnFormat("[MAP IMAGE SERVICE]: Oops on saving {0} {1}", outputFile, e);
}
// Save also as png?
catch (Exception e)
{
m_log.WarnFormat("[MAP IMAGE SERVICE]: Oops on saving {0} {1}", outputFile, e);
}
} // Save also as png?
output.Dispose();
return true;
}