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- 5. _K_n_o_w_n__P_r_o_b_l_e_m_s__a_n_d__W_o_r_k_a_r_o_u_n_d_s
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- +o Silicon Graphics has no plans to implement a multi-
- threaded version of the X server.
-
- +o _x_s_t_d_c_m_a_p does not work properly, nor do the colormap
- utilities in _l_i_b_X_m_u. The X server creates the standard
- colormap properties by default at startup. They work
- properly if not accessed through _l_i_b_X_m_u.
-
- +o In the search pane of the Insight application, any
- search in the Xt library will come up saying
- XLib_WinSys, rather than referring to Xt. Similarly,
- searches for the Xlib library come up saying XLib_PG.
-
- +o On older graphics platforms, X and OpenGL do not
- coordinate swapping a double-buffered window properly
- if swapping buffers through the X server. Thus, when
- rendering X and OpenGL to the same window, it is safest
- if buffer swapping is handled using the glXSwapBuffers
- call.
-
- +o When running OpenGL applications that use indirect
- rendering, it is normal for more than one instance of
- Xsgi, the SGI X server, to show up under 'ps'. They
- represent multiple threads of the X server, used to
- implement indirect rendering.
-
- +o The X server does not support the large request
- mechanism. Protocol requests are limited to 64K words
- (262,144 bytes) in length. This applies to the core X
- protocol as well as to extension protocols such as PEX.
-
- +o The function _X_v_c_L_o_a_d_V_i_d_e_o_F_o_r_m_a_t_C_o_m_b_i_n_a_t_i_o_n was thought
- not to return a proper status code from servers running
- on InfiniteReality graphics platforms. The problem was
- later tracked down to use of XFlush() as opposed to
- XSync() by ircombine (ircombine is fixed in post-6.2
- releases).
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