On Tue, 31 May 2011 20:41:54 +0200, Marek Olšák <mar...@gmail.com> wrote: > OpenGL 4.0 Compatibility, page 449: > > If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is NONE, no > framebuffer is bound to target. In this case querying pname FRAMEBUFFER_- > ATTACHMENT_OBJECT_NAME will return zero, and all other queries will generate > an INVALID_OPERATION error.
As a note for reference, ES 2.0.25 page 127 says: If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is NONE, then querying any other pname will generate INVALID_ENUM.
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