Good evening to everybody.
I'm currently finishing my OSG plugin for WebKit based browsers...
But I'm having a trouble:
Sometimes, during testing, it crashes unpredictably , with the following
crashlog:
Process: WebKitPluginHost [4642]
Path:
/System/Library/Frameworks/WebKit.framework/WebKitPluginHost.app/Contents/MacOS/WebKitPluginHost
Identifier: com.apple.WebKit.PluginHost
Version: 6533.20 (6533.20.20)
Build Info: WebKitPluginHost-75332020~1
Code Type: X86 (Native)
Parent Process: WebKitPluginAgent [380]
PlugIn Path: /usr/local/lib/osg.framework/Versions/66/osg
PlugIn Identifier: osg
PlugIn Version: ??? ()
Date/Time: 2011-05-23 15:33:59.499 +0200
OS Version: Mac OS X 10.6.7 (10J869)
Report Version: 6
Interval Since Last Report: 426612 sec
Crashes Since Last Report: 80
Per-App Interval Since Last Report: 71487 sec
Per-App Crashes Since Last Report: 58
Anonymous UUID: 147D37FA-E541-46DE-8C6E-C4EFDFACF4A4
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 GLEngine 0x14062832 gleRunVertexSubmitImmediate
+ 722
1 GLEngine 0x140624fc gleLLVMArrayFunc + 60
2 GLEngine 0x140624b4 gleSetVertexArrayFunc + 116
3 GLEngine 0x1404b3c9
gleDrawArraysOrElements_ExecCore + 1216
4 GLEngine 0x13fd4e23 glDrawElements_Exec + 834
5 libGL.dylib 0x95d12050 glDrawElements + 52
6 osg 0x1399c4c2
osg::DrawElementsUShort::draw(osg::State&, bool) const + 1058
7 osg 0x139036fc
osg::Geometry::drawImplementation(osg::RenderInfo&) const + 4588
8 osgUtil 0x13c070af
osgUtil::RenderLeaf::render(osg::RenderInfo&, osgUtil::RenderLeaf*) + 607
9 osgUtil 0x13c00627
osgUtil::RenderBin::drawImplementation(osg::RenderInfo&, osgUtil::RenderLeaf*&)
+ 343
10 osgUtil 0x13c094d7
osgUtil::RenderStage::drawImplementation(osg::RenderInfo&,
osgUtil::RenderLeaf*&) + 647
11 osgUtil 0x13c0984d
osgUtil::RenderStage::drawInner(osg::RenderInfo&, osgUtil::RenderLeaf*&, bool&)
+ 125
12 osgUtil 0x13c0cb6a
osgUtil::RenderStage::draw(osg::RenderInfo&, osgUtil::RenderLeaf*&) + 1914
13 osgUtil 0x13c17f88 osgUtil::SceneView::draw() +
600
14 osgViewer 0x13e1d32c
osgViewer::Renderer::cull_draw() + 972
15 osg 0x13939d1a
osg::GraphicsContext::runOperations() + 234
16 osgViewer 0x13e6762e
osgViewer::ViewerBase::renderingTraversals() + 5246
17 libFunCored.dylib 0x1466608a CoreBase::RenderScene() +
210 (CoreBase.cpp:308)
... ... ... ... ... ...
I'm using actually OSG version 2.9.9, OSX 10.6.7
The technologies that I'm using are ImageIO cocoaevents and core animation...
After some google-ing, I found on the Irrlicht forum, a very similar bugreport.
It seems that they corrected it by introducing the following ifdef, in order to
manage better the size argument in the glColorPointer
//#if defined(GL_ARB_vertex_array_bgra) || defined(GL_EXT_vertex_array_bgra)
#ifdef GL_BGRA
const GLint colorSize=(FeatureAvailable[IRR_ARB_vertex_array_bgra] ||
FeatureAvailable[IRR_EXT_vertex_array_bgra])?GL_BGRA:4;
#else
const GLint colorSize=4;
#endif
...
glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex),
&(static_cast<const S3DVertex*>(vertices))[0].Color);
This could be my case too?
Any further tip or suggestion?
Thanks in advance
G.
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