Hi,
I just tried to recompile on a RedHat Enterprise 5.3 with gcc 4.7.2 the
OSG trunk. The compilation fails on ReaderWriterDDS.cpp on a "error :
'GL_HALF_FLOAT' not declared in this scope". I use Mesa 6.5.1, it's the
last release recognized by yum on RedHat (I know it's quite old... :-(
). In include/osg/Texture, GL_HALF_FLOAT is defined only if
GL_ARB_half_float_pixel is not defined. The problem is that glext.h does
define GL_ARB_half_float_pixel, GL_HALF_FLOAT_ARB and GL_HALF_FLOAT_NV
but not the GL_HALF_FLOAT.
Adding to include/osg/Texture at line 400 :
#ifndef GL_ARB_half_float_vertex
#define GL_HALF_FLOAT 0x140B
#endif
corrects the problem on this type of configuration.
Does this mod induce any problems on other platforms ? What's your opinion ?
Cheers,
Christian
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