- Improved IRenderTarget::setTexture warnings.
- Minor improvements for textures in D3D9 and OpenGL drivers.

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- Changes for D3D9 texture code (at now it looks like OpenGL texture code). Those changes was required for upcoming cubemaps support.
- Minor improvements in COGLCoreTexture.

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COpenGLDriver doesn't seem to need COpenGLCacheHandler or COpenGLTexture as friends. So removed those.
If one of them is needed again please write 'friend class COpenGLCacheHandler' instead of 'friend COpenGLCacheHandler' as 
older gcc compilers (4.4.7) won't accept it otherwise.
Thanks @umen for reporting.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5226 dfc29bdd-3216-0410-991c-e03cc46cb475

 bool IVideoDriver::setRenderTarget(IRenderTarget* target, ...);
 to:
 bool IVideoDriver::setRenderTargetEx(IRenderTarget* target, ...);
- Replaced some deprecated methods in tests.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5223 dfc29bdd-3216-0410-991c-e03cc46cb475

- Improved D24S8 color format handling in OpenGL.
- Fixed issue with wrong size for OpenGL RT when FBO isn't available. Thx CuteAlien for report that.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5222 dfc29bdd-3216-0410-991c-e03cc46cb475

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(sry, didn't test correctly last check-in, forgot to set UNICODE)

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5216 dfc29bdd-3216-0410-991c-e03cc46cb475

Also added a function to access the original name as well as the converted name for directories.
Can't fix the interface completely unfortunately without breaking it :-/
Not yet fixed is the conversion to lower-characters - that will be one of the next tasks (had to clean up other stuff before I could approach that).
Also _IRR_WCHAR_FILESYSTEM currently not compiling, but been like that a few versions already.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5215 dfc29bdd-3216-0410-991c-e03cc46cb475

Needed a little more work to disable a warning once in a way such that it doesn't produce other warnings on other compilers.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5214 dfc29bdd-3216-0410-991c-e03cc46cb475

I had to add a few forward declarations in core::string because I didn't want to add another source-file for this now. If anyone decides to create a irrString.cpp those can be removed again by making multibyteToWString extern instead of static (in VS it would already be possible to avoid them, but gcc does more exact checks for friend linkage specifiers).

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Flip around default parameters in beginScene and setRenderTarget in a way that causes less deprecated warnings, but still does the same in general. That avoids some troubles with function resolution when only first 2 parameters got set (otherwise needed explicit casts to u16).
Use new image->getData in example to avoid warnings.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5205 dfc29bdd-3216-0410-991c-e03cc46cb475

- Added new XCode projects for engine and all examples (ARC enabled, proper bundles etc.).
- Added external context manager with support for NSOGL.(this feature was available in ogl-es branch before).
- Removed *.nib dependencies from OSX project (menu is created programmatically).
- Added missing _IRR_OVERRIDE_ for some methods.
- Renamed MacOSX to OSX directories.

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- Added external context managers with support for WGL and GLX.(this feature was available in ogl-es branch before)

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- Fix serialization of the InputReceiverEnabled flag in CCameraSceneNode


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5195 dfc29bdd-3216-0410-991c-e03cc46cb475

 * ECF_PVRTC_RGB2
 * ECF_PVRTC_ARGB2
 * ECF_PVRTC_RGB4
 * ECF_PVRTC_ARGB4
 * ECF_PVRTC2_ARGB2
 * ECF_PVRTC2_ARGB4
 * ECF_ETC1
 * ECF_ETC2_RGB
 * ECF_ETC2_ARGB
- Added PVR image loader with support for DXT*, PVRTC* and ETC* color formats.(this feature was available in ogl-es branch before)
- Fixed issue with mipmaps in DDS loader.
- Fixed minor issue with texture cubemap in OpenGL.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5192 dfc29bdd-3216-0410-991c-e03cc46cb475

- Added cubemap texture support for OpenGL driver.(this feature was available in ogl-es branch before)
- Minor improvements in texture creation process.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5190 dfc29bdd-3216-0410-991c-e03cc46cb475

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5189 dfc29bdd-3216-0410-991c-e03cc46cb475

- Fix pasting text from X11 applications to Irrlicht. Thanks @est31 for the patch.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5188 dfc29bdd-3216-0410-991c-e03cc46cb475

Thx @A.Reichl for reporting.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5186 dfc29bdd-3216-0410-991c-e03cc46cb475

- Fixed issue related to sphere mapping on the whole scene (visible eg. in Tech Demo). Thanks AReichl for report this issue.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5185 dfc29bdd-3216-0410-991c-e03cc46cb475

- Added ETCF_ALLOW_MEMORY_COPY flag (this flag inform driver, if texture should keep copy of image data).(this feature was available in ogl-es branch before).

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