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This releases the texture assets from LLImageManager cache, and re-requests them later if the client asks for them again. Needs more testing in texture-rich sims.

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This commit is contained in:
Diva Canto
2009-09-30 10:59:10 -07:00
committed by Melanie
parent 6779abf7f5
commit 4bf47fa592
2 changed files with 48 additions and 12 deletions
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37
OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
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@@ -60,14 +60,18 @@ namespace OpenSim.Region.ClientStack.LindenUDP
private sbyte m_discardLevel=-1;
private uint m_packetNumber;
private bool m_decoderequested = false;
private bool m_hasasset = false;
public bool m_hasasset = false;
private bool m_asset_requested = false;
private bool m_sentinfo = false;
private uint m_stopPacket = 0;
private const int cImagePacketSize = 1000;
private const int cFirstPacketSize = 600;
private AssetBase m_asset = null;
private int m_assetDataLength = 0;
private LLImageManager m_image;
public J2KImage(LLImageManager image)
{
m_image = image;
@@ -99,7 +103,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return 0;
try
{
return (ushort)(((m_asset.Data.Length - cFirstPacketSize + cImagePacketSize - 1) / cImagePacketSize) + 1);
return (ushort)(((m_assetDataLength - cFirstPacketSize + cImagePacketSize - 1) / cImagePacketSize) + 1);
}
catch (Exception)
{
@@ -110,6 +114,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
}
public void DropAsset()
{
m_log.WarnFormat("[LLIMAGE MANAGER]: Dropping texture asset {0}", m_requestedUUID);
m_asset = null;
m_hasasset = false;
m_asset_requested = false;
}
public void J2KDecodedCallback(UUID AssetId, OpenJPEG.J2KLayerInfo[] layers)
{
m_image.m_outstandingtextures++;
@@ -127,8 +139,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
else
{
m_asset = asset;
m_asset = asset;
}
m_assetDataLength = m_asset.Data.Length;
RunUpdate();
}
@@ -150,8 +165,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
public int LastPacketSize()
{
if (m_packetNumber == 1)
return m_asset.Data.Length;
int lastsize = (m_asset.Data.Length - cFirstPacketSize) % cImagePacketSize;
return m_assetDataLength;
int lastsize = (m_assetDataLength - cFirstPacketSize) % cImagePacketSize;
//If the last packet size is zero, it's really cImagePacketSize, it sits on the boundary
if (lastsize == 0)
{
@@ -185,10 +200,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return true;
}
// Do we have less then 1 packet's worth of data?
else if (m_asset.Data.Length <= cFirstPacketSize)
else if (m_assetDataLength <= cFirstPacketSize)
{
// Send only 1 packet
client.SendImageFirstPart(1, m_requestedUUID, (uint)m_asset.Data.Length, m_asset.Data, 2);
client.SendImageFirstPart(1, m_requestedUUID, (uint)m_assetDataLength, m_asset.Data, 2);
m_stopPacket = 0;
return true;
}
@@ -198,7 +213,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
try
{
Buffer.BlockCopy(m_asset.Data, 0, firstImageData, 0, (int)cFirstPacketSize);
client.SendImageFirstPart(TexturePacketCount(), m_requestedUUID, (uint)m_asset.Data.Length, firstImageData, 2);
client.SendImageFirstPart(TexturePacketCount(), m_requestedUUID, (uint)m_assetDataLength, firstImageData, 2);
}
catch (Exception)
{
@@ -216,13 +231,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
try
{
if ((CurrentBytePosition() + cImagePacketSize) > m_asset.Data.Length)
if ((CurrentBytePosition() + cImagePacketSize) > m_assetDataLength)
{
imagePacketSize = LastPacketSize();
complete=true;
if ((CurrentBytePosition() + imagePacketSize) > m_asset.Data.Length)
if ((CurrentBytePosition() + imagePacketSize) > m_assetDataLength)
{
imagePacketSize = m_asset.Data.Length - CurrentBytePosition();
imagePacketSize = m_assetDataLength - CurrentBytePosition();
complete = true;
}
}