G
glGetTexEnv
GL_TEXTURE_LIGHTING_MODE_hp is only supported if the GL_hp_texture_lighting
extension is supported.
Errors
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See Also
glTexEnv
214
GL_INVALID_ENUM is generated if target or pname is not an accepted value.
GL_INVALID_OPERATION is generated if glGetTexEnv is executed between the
execution of glBegin and the corresponding execution of glEnd.
Chapter 7