From 74df9f9c816f54fc60b131a347e7e1f1988b1fe2 Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Fri, 23 Jan 2009 11:00:36 +0000
Subject: * Adds a synchronous jpeg decode for pre-caching purposes * When the
 DynamicTextureModule creates a j2k image, pre-cache the decode so that it
 doesn't stall any client threads.

---
 OpenSim/Region/Environment/Interfaces/IJ2KDecoder.cs           |  1 +
 .../Modules/Agent/TextureSender/J2KDecoderModule.cs            | 10 ++++++++++
 .../Modules/Scripting/DynamicTexture/DynamicTextureModule.cs   |  7 +++++++
 3 files changed, 18 insertions(+)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/Environment/Interfaces/IJ2KDecoder.cs b/OpenSim/Region/Environment/Interfaces/IJ2KDecoder.cs
index 44b9289..2a37195 100644
--- a/OpenSim/Region/Environment/Interfaces/IJ2KDecoder.cs
+++ b/OpenSim/Region/Environment/Interfaces/IJ2KDecoder.cs
@@ -36,5 +36,6 @@ namespace OpenSim.Region.Environment.Interfaces
     public interface IJ2KDecoder
     {
         void decode(UUID AssetId, byte[] assetData, DecodedCallback decodedReturn);
+        void syncdecode(UUID AssetId, byte[] j2kdata);
     }
 }
diff --git a/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs b/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs
index 2a565ee..53e66fc 100644
--- a/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs
+++ b/OpenSim/Region/Environment/Modules/Agent/TextureSender/J2KDecoderModule.cs
@@ -146,6 +146,16 @@ namespace OpenSim.Region.Environment.Modules.Agent.TextureSender
             }
         }
 
+        /// <summary>
+        /// Provides a synchronous decode so that caller can be assured that this executes before the next line
+        /// </summary>
+        /// <param name="AssetId"></param>
+        /// <param name="j2kdata"></param>
+        public void syncdecode(UUID AssetId, byte[] j2kdata)
+        {
+            doJ2kDecode(AssetId, j2kdata);
+        }
+
         #endregion
 
         /// <summary>
diff --git a/OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.cs b/OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.cs
index e9fe373..0974f02 100644
--- a/OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.cs
+++ b/OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.cs
@@ -242,6 +242,13 @@ namespace OpenSim.Region.Environment.Modules.Scripting.DynamicTexture
 
                 LastAssetID = asset.FullID;
 
+                IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface<IJ2KDecoder>();
+                if (cacheLayerDecode != null)
+                {
+                    cacheLayerDecode.syncdecode(asset.FullID, asset.Data);
+                }
+                cacheLayerDecode = null;
+
                 // mostly keep the values from before
                 Primitive.TextureEntry tmptex = part.Shape.Textures;
 
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