Lines Matching refs:GL
84 " The GL interacts with two classes of framebuffers: window-
86 The effects of GL commands on the window-system-provided
89 The initialization of a GL context itself occurs when the
90 window-system allocates a window for GL rendering and is influenced
95 " The GL interacts with two classes of framebuffers: window
102 The effects of GL commands on the default framebuffer are
105 framebuffer the GL may access at any given time, and communicates to
106 the GL how those portions are structured. Therefore, there are no GL
107 commands to initialize a GL context or configure the default
112 the GL.
114 outside of the GL in conjunction with the window system, using
115 companion APIs, such as EGL. Allocation and initialization of GL
116 contexts is also done using these companion APIs. GL contexts can
120 It is possible to use a GL context without a default framebuffer,
129 respectively, of the window into which the GL is to do its
134 " If no default framebuffer is associated with the GL context (see
146 " If no default framebuffer is associated with the GL context, the
156 of the GL window."
161 associated with the GL context (see chapter 4), then width and
168 used as the draw or read framebuffer of the GL.
171 is associated with the GL context), it is deemed to be incomplete."