Bug #1526176 - use absolute path names when creating / finding textures.  As a consequence, createAndOpenFile() also needs to use absolute path names in order to match the texture filenames.  Tested on Win32 with all example apps and a small test app attached to the bug.

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Added another texture type for OpenGL, namely the FBODepthRenderbuffer. This is only used internally for now, and also is still WIP as the current design has some bad smell :-(. However, it should allow for depthbuffer reuse for RTTs once the interface is made public.

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Change of the return value for getDX9Texture, necessary for other types of textures. Requested by MasterD.

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PCX Writer implementation, 24bit RLE, which means it's significantly smaller than BMP, but PNG and JPEG are still far smaller...

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Rename of pPixels to pixels.

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Fixing fast_atof() to handle long digit strings.  See bug 1865300 for regression test.  Tested in debug and release on MSVC++ 9.0 / Windows.

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https://sourceforge.net/tracker/download.php?group_id=74339&atid=540678&file_id=298807&aid=2015942

Tested in debug, release and release FPU using MSVC++ 9.0

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Adding IVideoDriver::drawPixel() and implementations, as per http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=30741. Test code is in that post.

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Fix release mode build of CDMFLoader.cpp.  Fix D3D8 build (need Summer 2004 SDK).  Force alpha in D3D8/D3D9 screenshot pixels to 255 if necessary ( http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?p=174233#174233 )

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Possible problem with scaling, reported by gbox here: http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=30175

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like with getJointNode(const c8* jointName)

reported by xray here: http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=30486

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reported here: http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=30575

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Added a check method to query the device reset event for D3D drivers. Since in the case of a reset the content of all RTTs are lost, it's required to become aware of this fact.
The current solution is just a simply check which works with lots about the drivers. A cleaner solution would return all structures which have to be regenerated. A new enum is already created for this reason, but not yet implemented. However, the interface of the new checkDriverReset method might change in the near future...

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