OpenGL anisotropic filtering support, contradictory check results -

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when checking if anisotropic filtering supported, contradictory results.

if(glewissupported("gl_ext_texture_filter_anisotropic") || glew_ext_texture_filter_anisotropic) {         std::cout << "support anisotropic" << std::endl;     }  glfloat max; glgetfloatv(gl_max_texture_max_anisotropy_ext, &max); std::cout << max << std::endl;

the output section on machine is:

16

so seemingly anisotropic filtering of 16 supported, glewissupported glew extension string opposite.

is checking gl_max_texture_max_anisotropy_ext enough , glew check wrong, or different going on?

apparently there known bug in glew glgetstring(gl_extensions) used in opengl 3+ context instead of glgetstringi replaced extension querying in opengl 3+.

so until patched, extension querying must done manually.


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