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Add experimental DynamicTextureModule.ReuseTextures flag, currently only configurable on compile.

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Disabled (status quo) by default.
This flag makes the dynamic texture module reuse cache previously dynamically generated textures given the same input commands and extra params for 24 hours.
This occurs as long as those commands would always generate the same texture (e.g. they do not contain commands to fetch data from the web).
This makes texture changing faster as a viewer-cached texture uuid is sent and may reduce simulator load in regions with generation of lots of dynamic textures.
A downside is that this stops expiry of old temporary dynamic textures from the cache,
Another downside is that a jpeg2000 generation that partially failed is currently not regenerated until restart or after 24 hours.
This commit is contained in:
Justin Clark-Casey (justincc)
2012-08-28 23:06:53 +01:00
parent aa44df9c04
commit c1cece4b82
5 changed files with 310 additions and 56 deletions
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125
OpenSim/Region/CoreModules/Scripting/VectorRender/Tests/VectorRenderModuleTests.cs
View File

@@ -51,12 +51,15 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
DynamicTextureModule m_dtm;
VectorRenderModule m_vrm;
[SetUp]
public void SetUp()
private void SetupScene(bool reuseTextures)
{
m_scene = new SceneHelpers().SetupScene();
m_dtm = new DynamicTextureModule();
m_dtm.ReuseTextures = reuseTextures;
m_vrm = new VectorRenderModule();
SceneHelpers.SetupSceneModules(m_scene, m_dtm, m_vrm);
}
@@ -65,6 +68,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
{
TestHelpers.InMethod();
SetupScene(false);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
UUID originalTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
@@ -86,6 +90,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
SetupScene(false);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
m_dtm.AddDynamicTextureData(
@@ -116,6 +121,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
SetupScene(false);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
m_dtm.AddDynamicTextureData(
@@ -147,6 +153,121 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
string dtText
= "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World; Image http://localhost/shouldnotexist.png";
SetupScene(false);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
dtText,
"",
0);
UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
dtText,
"",
0);
Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
}
[Test]
public void TestDrawReusingTexture()
{
TestHelpers.InMethod();
SetupScene(true);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
UUID originalTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
"PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;",
"",
0);
Assert.That(originalTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
}
[Test]
public void TestRepeatSameDrawReusingTexture()
{
TestHelpers.InMethod();
string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
SetupScene(true);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
dtText,
"",
0);
UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
dtText,
"",
0);
Assert.That(firstDynamicTextureID, Is.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
}
[Test]
public void TestRepeatSameDrawDifferentExtraParamsReusingTexture()
{
TestHelpers.InMethod();
string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
SetupScene(true);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
dtText,
"",
0);
UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
m_dtm.AddDynamicTextureData(
m_scene.RegionInfo.RegionID,
so.UUID,
m_vrm.GetContentType(),
dtText,
"alpha:250",
0);
Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
}
[Test]
public void TestRepeatSameDrawContainingImageReusingTexture()
{
TestHelpers.InMethod();
string dtText
= "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World; Image http://localhost/shouldnotexist.png";
SetupScene(true);
SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
m_dtm.AddDynamicTextureData(

48
OpenSim/Region/CoreModules/Scripting/VectorRender/VectorRenderModule.cs
View File

@@ -30,6 +30,7 @@ using System.Drawing;
using System.Drawing.Imaging;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using Nini.Config;
using OpenMetaverse;
@@ -73,6 +74,12 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
return true;
}
// public bool AlwaysIdenticalConversion(string bodyData, string extraParams)
// {
// string[] lines = GetLines(bodyData);
// return lines.Any((str, r) => str.StartsWith("Image"));
// }
public byte[] ConvertUrl(string url, string extraParams)
{
return null;
@@ -80,7 +87,13 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
public byte[] ConvertData(string bodyData, string extraParams)
{
return Draw(bodyData, extraParams);
bool reuseable;
return Draw(bodyData, extraParams, out reuseable);
}
private byte[] ConvertData(string bodyData, string extraParams, out bool reuseable)
{
return Draw(bodyData, extraParams, out reuseable);
}
public bool AsyncConvertUrl(UUID id, string url, string extraParams)
@@ -91,7 +104,11 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
public bool AsyncConvertData(UUID id, string bodyData, string extraParams)
{
// XXX: This isn't actually being done asynchronously!
m_textureManager.ReturnData(id, ConvertData(bodyData, extraParams));
bool reuseable;
byte[] data = ConvertData(bodyData, extraParams, out reuseable);
m_textureManager.ReturnData(id, data, reuseable);
return true;
}
@@ -162,7 +179,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
#endregion
private byte[] Draw(string data, string extraParams)
private byte[] Draw(string data, string extraParams, out bool reuseable)
{
// We need to cater for old scripts that didnt use extraParams neatly, they use either an integer size which represents both width and height, or setalpha
// we will now support multiple comma seperated params in the form width:256,height:512,alpha:255
@@ -343,7 +360,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
}
}
GDIDraw(data, graph, altDataDelim);
GDIDraw(data, graph, altDataDelim, out reuseable);
}
byte[] imageJ2000 = new byte[0];
@@ -434,8 +451,21 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
}
*/
private void GDIDraw(string data, Graphics graph, char dataDelim)
/// <summary>
/// Split input data into discrete command lines.
/// </summary>
/// <returns></returns>
/// <param name='data'></param>
/// <param name='dataDelim'></param>
private string[] GetLines(string data, char dataDelim)
{
char[] lineDelimiter = { dataDelim };
return data.Split(lineDelimiter);
}
private void GDIDraw(string data, Graphics graph, char dataDelim, out bool reuseable)
{
reuseable = true;
Point startPoint = new Point(0, 0);
Point endPoint = new Point(0, 0);
Pen drawPen = null;
@@ -450,11 +480,9 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
myFont = new Font(fontName, fontSize);
myBrush = new SolidBrush(Color.Black);
char[] lineDelimiter = {dataDelim};
char[] partsDelimiter = {','};
string[] lines = data.Split(lineDelimiter);
foreach (string line in lines)
foreach (string line in GetLines(data, dataDelim))
{
string nextLine = line.Trim();
//replace with switch, or even better, do some proper parsing
@@ -485,6 +513,10 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
}
else if (nextLine.StartsWith("Image"))
{
// We cannot reuse any generated texture involving fetching an image via HTTP since that image
// can change.
reuseable = false;
float x = 0;
float y = 0;
GetParams(partsDelimiter, ref nextLine, 5, ref x, ref y);