12 memset(&glcaps, 0, sizeof glcaps);
13 glcaps.shaders = GLEW_ARB_vertex_shader && GLEW_ARB_fragment_shader;
14 glcaps.fsaa = GLEW_ARB_multisample;
15 glcaps.fbo = GLEW_ARB_framebuffer_object;
16 glcaps.shadow = GLEW_ARB_shadow || GLEW_SGIX_shadow;
17 if(GLEW_EXT_texture_filter_anisotropic) {
18 glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glcaps.max_aniso);