https://bugs.documentfoundation.org/show_bug.cgi?id=93751

            Bug ID: 93751
           Summary: GL textures destroyed while still bound to
                    framebuffers
           Product: LibreOffice
           Version: unspecified
          Hardware: Other
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: graphics stack
          Assignee: [email protected]
          Reporter: [email protected]

This is clearly incorrect; not least because we then re-allocate a texture with
the same handle and try to bind it to the same frame-buffer and get:

void OpenGLFramebuffer::AttachTexture( const OpenGLTexture& rTexture )
{
    if( rTexture.Id() == mnAttachedTexture )
        return;

no binding, and then various unpleasant gl errors from trying to render to a
FBO not bound to a valid texture such as GL_INVALID_FRAMEBUFFER_OPERATION ...
which can't be good for the rendering stack.

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