GL_TEXTURE_MAX_ANISOTROPY_EXT, GL_TEXTURE_LOD_BIAS

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   Another driver bug...

glTexParameterf( GL_TEXTURE_2D,

              Â   GL_TEXTURE_MAX_ANISOTROPY_EXT,

              Â   ? );

and

glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT,

          GL_TEXTURE_LOD_BIAS_EXT,

          ? );

Both generate a GL_ERROR whatever value is passed as parameter...

Edited by bobGL - 24 Jul 10 at 6:31am

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bobGL Members Profile Send Private Message Find Members Posts Add to Buddy List Insider Joined: 20 Jul 10 Online Status: Offline Posts: 10	Quote Reply Topic: GL_TEXTURE_MAX_ANISOTROPY_EXT, GL_TEXTURE_LOD_BIAS Posted: 24 Jul 10 at 6:30am
	Another driver bug... glTexParameterf( GL_TEXTURE_2D, Â GL_TEXTURE_MAX_ANISOTROPY_EXT, Â ? ); and glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, ? ); Both generate a GL_ERROR whatever value is passed as parameter... Edited by bobGL - 24 Jul 10 at 6:31am

Xmas Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List IMG Staff Member Joined: 07 Mar 08 Online Status: Offline Posts: 281	Quote Reply Posted: 29 Jul 10 at 10:44am
	Could you please let us know the platform you are testing this on? When using extensions you need to check the extension string. If the extension string does not contain GL_EXT_texture_filter_anisotropic or GL_EXT_texture_lod_bias then generating a GL error for those calls is the expected and correct behaviour.
	Georg Kolling - Developer Technology