https://bugs.freedesktop.org/show_bug.cgi?id=90162
--- Comment #5 from Tapani Pälli <lem...@gmail.com> ---
These errors are according to the spec and happen because of following reason.
---- 8< ----
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.
---- 8< ----
In the application before all other queries, you'll need to query for
attachment object type:
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &type);
If type is GL_NONE, then other queries should not be made. Please resolve as
NOTABUG if you agree with this.
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