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If the compile-time DynamicTextureModule.ReuseTextures flag is set, check metadata still exists for any reused asset in case some other process has removed it from the cache.

0.7.3-extended
Justin Clark-Casey (justincc) 2012-08-30 22:28:45 +01:00
parent a100723aaf
commit 6c36471f0c
1 changed files with 66 additions and 50 deletions
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116
OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
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@ -186,63 +186,79 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data,
string extraParams, int updateTimer, bool SetBlending, int disp, byte AlphaValue, int face)
{
if (RenderPlugins.ContainsKey(contentType))
if (!RenderPlugins.ContainsKey(contentType))
return UUID.Zero;
Scene scene;
RegisteredScenes.TryGetValue(simID, out scene);
if (scene == null)
return UUID.Zero;
SceneObjectPart part = scene.GetSceneObjectPart(primID);
if (part == null)
return UUID.Zero;
// If we want to reuse dynamic textures then we have to ignore any request from the caller to expire
// them.
if (ReuseTextures)
disp = disp & ~DISP_EXPIRE;
DynamicTextureUpdater updater = new DynamicTextureUpdater();
updater.SimUUID = simID;
updater.PrimID = primID;
updater.ContentType = contentType;
updater.BodyData = data;
updater.UpdateTimer = updateTimer;
updater.UpdaterID = UUID.Random();
updater.Params = extraParams;
updater.BlendWithOldTexture = SetBlending;
updater.FrontAlpha = AlphaValue;
updater.Face = face;
updater.Url = "Local image";
updater.Disp = disp;
object objReusableTextureUUID = null;
if (ReuseTextures && !updater.BlendWithOldTexture)
{
// If we want to reuse dynamic textures then we have to ignore any request from the caller to expire
// them.
if (ReuseTextures)
disp = disp & ~DISP_EXPIRE;
string reuseableTextureKey = GenerateReusableTextureKey(data, extraParams);
objReusableTextureUUID = m_reuseableDynamicTextures.Get(reuseableTextureKey);
DynamicTextureUpdater updater = new DynamicTextureUpdater();
updater.SimUUID = simID;
updater.PrimID = primID;
updater.ContentType = contentType;
updater.BodyData = data;
updater.UpdateTimer = updateTimer;
updater.UpdaterID = UUID.Random();
updater.Params = extraParams;
updater.BlendWithOldTexture = SetBlending;
updater.FrontAlpha = AlphaValue;
updater.Face = face;
updater.Url = "Local image";
updater.Disp = disp;
object reusableTextureUUID = null;
if (ReuseTextures)
reusableTextureUUID
= m_reuseableDynamicTextures.Get(GenerateReusableTextureKey(data, extraParams));
// We cannot reuse a dynamic texture if the data is going to be blended with something already there.
if (reusableTextureUUID == null || updater.BlendWithOldTexture)
if (objReusableTextureUUID != null)
{
lock (Updaters)
// If something else has removed this temporary asset from the cache, detect and invalidate
// our cached uuid.
if (scene.AssetService.GetMetadata(objReusableTextureUUID.ToString()) == null)
{
if (!Updaters.ContainsKey(updater.UpdaterID))
{
Updaters.Add(updater.UpdaterID, updater);
}
}
RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
}
else
{
// No need to add to updaters as the texture is always the same. Not that this functionality
// apppears to be implemented anyway.
if (RegisteredScenes.ContainsKey(updater.SimUUID))
{
SceneObjectPart part = RegisteredScenes[updater.SimUUID].GetSceneObjectPart(updater.PrimID);
if (part != null)
updater.UpdatePart(part, (UUID)reusableTextureUUID);
m_reuseableDynamicTextures.Invalidate(reuseableTextureKey);
objReusableTextureUUID = null;
}
}
return updater.UpdaterID;
}
return UUID.Zero;
// We cannot reuse a dynamic texture if the data is going to be blended with something already there.
if (objReusableTextureUUID == null)
{
lock (Updaters)
{
if (!Updaters.ContainsKey(updater.UpdaterID))
{
Updaters.Add(updater.UpdaterID, updater);
}
}
RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
}
else
{
// No need to add to updaters as the texture is always the same. Not that this functionality
// apppears to be implemented anyway.
updater.UpdatePart(part, (UUID)objReusableTextureUUID);
}
return updater.UpdaterID;
}
private string GenerateReusableTextureKey(string data, string extraParams)