Hello Michael,
On 2014-08-20 11:11, Michael Raab wrote:
> TextureObjChunk.cpp contains the following lines:
> // define GL_TEXTURE_3D, if not defined yet
> #ifndef GL_VERSION_1_2
> # define GL_FUNC_TEXIMAGE3D OSG_DLSYM_UNDERSCORE"glTexImage3DEXT"
> # define GL_FUNC_TEXSUBIMAGE3D OSG_DLSYM_UNDERSCORE"glTexSubImage3DEXT"
> #else
> # define GL_FUNC_TEXIMAGE3D OSG_DLSYM_UNDERSCORE"glTexImage3D"
> # define GL_FUNC_TEXSUBIMAGE3D OSG_DLSYM_UNDERSCORE"glTexSubImage3D"
> #endif
> The token GL_VERSION_1_2 is nowhere defined in the source tree,
> therefore the EXT functions are used. At the moment my test Intel HD
> system crashes as extension GL_EXT_texture3D is present but function
> glTexSubImage3DEXT returns a NULL pointer.
I'll bite my tongue on this one... ;)
> Is there a reason for this construct? Who was intended to define
> GL_VERSION_1_2? Using glTexSubImage3D everything runs fine with the
> Intel chip..
the GL_VERSION_x_y defines are defined by the OpenGL header(s), that is
GL/gl.h
Cheers,
Carsten
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