move around "general" in section title for neater formatting

[clinton/guile-figl.git] / doc / low-level-glx.texi

diff --git a/doc/low-level-glx.texi b/doc/low-level-glx.texi
index 574997c..44abb12 100644 (file)
--- a/doc/low-level-glx.texi
+++ b/doc/low-level-glx.texi
@@ -1,6 +1,12 @@
 
 @c %start of fragment
 
 
 @c %start of fragment
 

+The functions from this section may be had by loading the module:
+
+@example 
+(use-modules (figl glx low-level)
+@end example
+

 @copying 
 This section of the manual was derived from the upstream OpenGL
 documentation. Each function's documentation has its own copyright
 @copying 
 This section of the manual was derived from the upstream OpenGL
 documentation. Each function's documentation has its own copyright


@@ -13,15 +19,10 @@ licensed under the SGI Free Software B License. For details, see
 
 @end copying
 
 
 @end copying
 

-The functions from this section may be had by loading the module:
+@deftypefun GLXFBConfig-* glXChooseFBConfig dpy screen attrib_list nelements
+Return a list of GLX frame buffer configurations that match the
+specified attributes.

 
 

-@example 
-(use-modules (figl low-level glx))
-@end example
-
-@defun glXChooseFBConfig 
-@heading return a list of GLX frame buffer configurations that match the specified attributes
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -39,7 +40,6 @@ Returns the number of elements in the list returned by
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXChooseFBConfig} returns GLX frame buffer configurations that
 match the attributes specified in @var{attrib_list}, or @code{NULL} if
 no matches are found. If @var{attrib_list} is @code{NULL}, then
 @code{glXChooseFBConfig} returns GLX frame buffer configurations that
 match the attributes specified in @var{attrib_list}, or @code{NULL} if
 no matches are found. If @var{attrib_list} is @code{NULL}, then


@@ -363,16 +363,15 @@ By @code{GLX_X_VISUAL_TYPE} where the precedence order is
 
 @end table
 
 
 @end table
 

-@heading Errors

 @code{NULL} is returned if an undefined GLX attribute is encountered in
 @var{attrib_list}, if @var{screen} is invalid, or if @var{dpy} does not
 support the GLX extension.
 
 @code{NULL} is returned if an undefined GLX attribute is encountered in
 @var{attrib_list}, if @var{screen} is invalid, or if @var{dpy} does not
 support the GLX extension.
 

-@end defun
+@end deftypefun
+
+@deftypefun XVisualInfo* glXChooseVisual dpy screen attribList
+Return a visual that matches specified attributes.

 
 

-@defun glXChooseVisual 
-@heading return a visual that matches specified attributes
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -386,7 +385,6 @@ pairs. The last attribute must be @code{None}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXChooseVisual} returns a pointer to an XVisualInfo structure
 describing the visual that best meets a minimum specification. The
 boolean GLX attributes of the visual that is returned will match the
 @code{glXChooseVisual} returns a pointer to an XVisualInfo structure
 describing the visual that best meets a minimum specification. The
 boolean GLX attributes of the visual that is returned will match the


@@ -504,15 +502,14 @@ the minimum size is preferred.
 
 @end table
 
 
 @end table
 

-@heading Errors

 @code{NULL} is returned if an undefined GLX attribute is encountered in
 @var{attribList}.
 
 @code{NULL} is returned if an undefined GLX attribute is encountered in
 @var{attribList}.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXCopyContext dpy src dst mask
+Copy state from one rendering context to another.

 
 

-@defun glXCopyContext 
-@heading copy state from one rendering context to another
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -529,7 +526,6 @@ Specifies which portions of @var{src} state are to be copied to
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCopyContext} copies selected groups of state variables from
 @var{src} to @var{dst}. @var{mask} indicates which groups of state
 variables are to be copied. @var{mask} contains the bitwise OR of the
 @code{glXCopyContext} copies selected groups of state variables from
 @var{src} to @var{dst}. @var{mask} indicates which groups of state
 variables are to be copied. @var{mask} contains the bitwise OR of the


@@ -554,7 +550,6 @@ manipulated by the GL command @code{glPushAttrib}.
 An implicit @code{glFlush} is done by @code{glXCopyContext} if @var{src}
 is the current context for the calling thread.
 
 An implicit @code{glFlush} is done by @code{glXCopyContext} if @var{src}
 is the current context for the calling thread.
 

-@heading Errors

 @code{BadMatch} is generated if rendering contexts @var{src} and
 @var{dst} do not share an address space or were not created with respect
 to the same screen.
 @code{BadMatch} is generated if rendering contexts @var{src} and
 @var{dst} do not share an address space or were not created with respect
 to the same screen.


@@ -569,11 +564,11 @@ context and the current drawable is a window that is no longer valid.
 @code{GLXBadContext} is generated if either @var{src} or @var{dst} is
 not a valid GLX context.
 
 @code{GLXBadContext} is generated if either @var{src} or @var{dst} is
 not a valid GLX context.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXContext glXCreateContext dpy vis shareList direct
+Create a new GLX rendering context.

 
 

-@defun glXCreateContext 
-@heading create a new GLX rendering context
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -594,7 +589,6 @@ the graphics system if possible (@code{True}) or through the X server
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCreateContext} creates a GLX rendering context and returns its
 handle. This context can be used to render into both windows and GLX
 pixmaps. If @code{glXCreateContext} fails to create a rendering context,
 @code{glXCreateContext} creates a GLX rendering context and returns its
 handle. This context can be used to render into both windows and GLX
 pixmaps. If @code{glXCreateContext} fails to create a rendering context,


@@ -625,7 +619,6 @@ contexts to share an address space.
 If the GL version is 1.1 or greater, then all texture objects except
 object 0 are shared by any contexts that share display lists.
 
 If the GL version is 1.1 or greater, then all texture objects except
 object 0 are shared by any contexts that share display lists.
 

-@heading Errors

 @code{NULL} is returned if execution fails on the client side.
 
 @code{BadMatch} is generated if the context to be created would not
 @code{NULL} is returned if execution fails on the client side.
 
 @code{BadMatch} is generated if the context to be created would not


@@ -641,11 +634,11 @@ context and is not @code{NULL}.
 @code{BadAlloc} is generated if the server does not have enough
 resources to allocate the new context.
 
 @code{BadAlloc} is generated if the server does not have enough
 resources to allocate the new context.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXPixmap glXCreateGLXPixmap dpy vis pixmap
+Create an off-screen GLX rendering area.

 
 

-@defun glXCreateGLXPixmap 
-@heading create an off-screen GLX rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -661,7 +654,6 @@ of the off-screen rendering area.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCreateGLXPixmap} creates an off-screen rendering area and
 returns its XID. Any GLX rendering context that was created with respect
 to @var{vis} can be used to render into this off-screen area. Use
 @code{glXCreateGLXPixmap} creates an off-screen rendering area and
 returns its XID. Any GLX rendering context that was created with respect
 to @var{vis} can be used to render into this off-screen area. Use


@@ -678,7 +670,6 @@ ignored by these pixmaps.
 Some implementations may not support GLX pixmaps with direct rendering
 contexts.
 
 Some implementations may not support GLX pixmaps with direct rendering
 contexts.
 

-@heading Errors

 @code{BadMatch} is generated if the depth of @var{pixmap} does not match
 the depth value reported by core X11 for @var{vis}, or if @var{pixmap}
 was not created with respect to the same screen as @var{vis}.
 @code{BadMatch} is generated if the depth of @var{pixmap} does not match
 the depth value reported by core X11 for @var{vis}, or if @var{pixmap}
 was not created with respect to the same screen as @var{vis}.


@@ -692,11 +683,11 @@ support this visual).
 @code{BadAlloc} is generated if the server cannot allocate the GLX
 pixmap.
 
 @code{BadAlloc} is generated if the server cannot allocate the GLX
 pixmap.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXContext glXCreateNewContext dpy config render_type share_list direct
+Create a new GLX rendering context.

 
 

-@defun glXCreateNewContext 
-@heading create a new GLX rendering context
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -720,7 +711,6 @@ the graphics system if possible (@code{True}) or through the X server
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCreateNewContext} creates a GLX rendering context and returns
 its handle. This context can be used to render into GLX windows,
 pixmaps, or pixel buffers. If @code{glXCreateNewContext} fails to create
 @code{glXCreateNewContext} creates a GLX rendering context and returns
 its handle. This context can be used to render into GLX windows,
 pixmaps, or pixel buffers. If @code{glXCreateNewContext} fails to create


@@ -753,7 +743,6 @@ some implementations. However, direct-rendering contexts cannot be
 shared outside a single process, and they may be unable to render to GLX
 pixmaps.
 
 shared outside a single process, and they may be unable to render to GLX
 pixmaps.
 

-@heading Errors

 @code{NULL} is returned if execution fails on the client side.
 
 @code{GLXBadContext} is generated if @var{render_type} is not a GLX
 @code{NULL} is returned if execution fails on the client side.
 
 @code{GLXBadContext} is generated if @var{render_type} is not a GLX


@@ -772,11 +761,11 @@ resources to allocate the new context.
 @code{BadValue} is generated if @var{config} is not a valid visual (for
 example, if a particular GLX implementation does not support it).
 
 @code{BadValue} is generated if @var{config} is not a valid visual (for
 example, if a particular GLX implementation does not support it).
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXPbuffer glXCreatePbuffer dpy config attrib_list
+Create an off-screen rendering area.

 
 

-@defun glXCreatePbuffer 
-@heading create an off-screen rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -793,7 +782,6 @@ Specifies a list of attribute value pairs, which must be terminated with
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCreatePbuffer} creates an off-screen rendering area and returns
 its XID. Any GLX rendering context that was created with respect to
 @var{config} can be used to render into this window. Use
 @code{glXCreatePbuffer} creates an off-screen rendering area and returns
 its XID. Any GLX rendering context that was created with respect to
 @var{config} can be used to render into this window. Use


@@ -836,7 +824,6 @@ GLXPbuffers contain the color and ancillary buffers specified by
 @var{config}. It is possible to create a pixel buffer with back buffers
 and to swap those buffers using @code{glXSwapBuffers}.
 
 @var{config}. It is possible to create a pixel buffer with back buffers
 and to swap those buffers using @code{glXSwapBuffers}.
 

-@heading Errors

 @code{BadAlloc} is generated if there are insufficient resources to
 allocate the requested GLXPbuffer.
 
 @code{BadAlloc} is generated if there are insufficient resources to
 allocate the requested GLXPbuffer.
 


@@ -847,11 +834,11 @@ GLXFBConfig.
 to pixel buffers (e.g., @code{GLX_DRAWABLE_TYPE} does not contain
 @code{GLX_PBUFFER_BIT}).
 
 to pixel buffers (e.g., @code{GLX_DRAWABLE_TYPE} does not contain
 @code{GLX_PBUFFER_BIT}).
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXPixmap glXCreatePixmap dpy config pixmap attrib_list
+Create an off-screen rendering area.

 
 

-@defun glXCreatePixmap 
-@heading create an off-screen rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -869,14 +856,12 @@ Currently unused. This must be set to @code{NULL} or be an empty list
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCreatePixmap} creates an off-screen rendering area and returns
 its XID. Any GLX rendering context that was created with respect to
 @var{config} can be used to render into this window. Use
 @code{glXMakeCurrent} to associate the rendering area with a GLX
 rendering context.
 
 @code{glXCreatePixmap} creates an off-screen rendering area and returns
 its XID. Any GLX rendering context that was created with respect to
 @var{config} can be used to render into this window. Use
 @code{glXMakeCurrent} to associate the rendering area with a GLX
 rendering context.
 

-@heading Errors

 @code{BadMatch} is generated if @var{pixmap} was not created with a
 visual that corresponds to @var{config}.
 
 @code{BadMatch} is generated if @var{pixmap} was not created with a
 visual that corresponds to @var{config}.
 


@@ -896,11 +881,11 @@ GLXFBConfig.
 
 
 
 
 
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXWindow glXCreateWindow dpy config win attrib_list
+Create an on-screen rendering area.

 
 

-@defun glXCreateWindow 
-@heading create an on-screen rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -918,7 +903,6 @@ Currently unused. This must be set to @code{NULL} or be an empty list
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXCreateWindow} creates an on-screen rendering area from an
 existing X window that was created with a visual matching @var{config}.
 The XID of the GLXWindow is returned. Any GLX rendering context that was
 @code{glXCreateWindow} creates an on-screen rendering area from an
 existing X window that was created with a visual matching @var{config}.
 The XID of the GLXWindow is returned. Any GLX rendering context that was


@@ -926,7 +910,6 @@ created with respect to @var{config} can be used to render into this
 window. Use @code{glXMakeContextCurrent} to associate the rendering area
 with a GLX rendering context.
 
 window. Use @code{glXMakeContextCurrent} to associate the rendering area
 with a GLX rendering context.
 

-@heading Errors

 @code{BadMatch} is generated if @var{win} was not created with a visual
 that corresponds to @var{config}.
 
 @code{BadMatch} is generated if @var{win} was not created with a visual
 that corresponds to @var{config}.
 


@@ -947,11 +930,11 @@ GLXFBConfig.
 
 
 
 
 
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXDestroyContext dpy ctx
+Destroy a GLX context.

 
 

-@defun glXDestroyContext 
-@heading destroy a GLX context
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -961,21 +944,19 @@ Specifies the GLX context to be destroyed.
 
 @end table
 
 
 @end table
 

-@heading Description

 If the GLX rendering context @var{ctx} is not current to any thread,
 @code{glXDestroyContext} destroys it immediately. Otherwise, @var{ctx}
 is destroyed when it becomes not current to any thread. In either case,
 the resource ID referenced by @var{ctx} is freed immediately.
 
 If the GLX rendering context @var{ctx} is not current to any thread,
 @code{glXDestroyContext} destroys it immediately. Otherwise, @var{ctx}
 is destroyed when it becomes not current to any thread. In either case,
 the resource ID referenced by @var{ctx} is freed immediately.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{ctx} is not a valid GLX
 context.
 
 @code{GLXBadContext} is generated if @var{ctx} is not a valid GLX
 context.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXDestroyGLXPixmap dpy pix
+Destroy a GLX pixmap.

 
 

-@defun glXDestroyGLXPixmap 
-@heading destroy a GLX pixmap
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -985,20 +966,18 @@ Specifies the GLX pixmap to be destroyed.
 
 @end table
 
 
 @end table
 

-@heading Description

 If the GLX pixmap @var{pix} is not current to any client,
 @code{glXDestroyGLXPixmap} destroys it immediately. Otherwise, @var{pix}
 is destroyed when it becomes not current to any client. In either case,
 the resource ID is freed immediately.
 
 If the GLX pixmap @var{pix} is not current to any client,
 @code{glXDestroyGLXPixmap} destroys it immediately. Otherwise, @var{pix}
 is destroyed when it becomes not current to any client. In either case,
 the resource ID is freed immediately.
 

-@heading Errors

 @code{GLXBadPixmap} is generated if @var{pix} is not a valid GLX pixmap.
 
 @code{GLXBadPixmap} is generated if @var{pix} is not a valid GLX pixmap.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXDestroyPbuffer dpy pbuf
+Destroy an off-screen rendering area.

 
 

-@defun glXDestroyPbuffer 
-@heading destroy an off-screen rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1008,19 +987,17 @@ Specifies the GLXPbuffer to be destroyed.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXDestroyPbuffer} destroys a GLXPbuffer created by
 @code{glXCreatePbuffer}.
 
 @code{glXDestroyPbuffer} destroys a GLXPbuffer created by
 @code{glXCreatePbuffer}.
 

-@heading Errors

 @code{GLXBadPbuffer} is generated if @var{pbuf} is not a valid
 GLXPbuffer.
 
 @code{GLXBadPbuffer} is generated if @var{pbuf} is not a valid
 GLXPbuffer.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXDestroyPixmap dpy pixmap
+Destroy an off-screen rendering area.

 
 

-@defun glXDestroyPixmap 
-@heading destroy an off-screen rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1030,19 +1007,17 @@ Specifies the GLXPixmap to be destroyed.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXDestroyPixmap} destroys a GLXPixmap created by
 @code{glXCreatePixmap}.
 
 @code{glXDestroyPixmap} destroys a GLXPixmap created by
 @code{glXCreatePixmap}.
 

-@heading Errors

 @code{GLXBadPixmap} is generated if @var{pixmap} is not a valid
 GLXPixmap.
 
 @code{GLXBadPixmap} is generated if @var{pixmap} is not a valid
 GLXPixmap.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXDestroyWindow dpy win
+Destroy an on-screen rendering area.

 
 

-@defun glXDestroyWindow 
-@heading destroy an on-screen rendering area
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1052,18 +1027,16 @@ Specifies the GLXWindow to be destroyed.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXDestroyWindow} destroys a GLXWindow created by
 @code{glXCreateWindow}.
 
 @code{glXDestroyWindow} destroys a GLXWindow created by
 @code{glXCreateWindow}.
 

-@heading Errors

 @code{GLXBadWindow} is generated if @var{win} is not a valid GLXPixmap.
 
 @code{GLXBadWindow} is generated if @var{win} is not a valid GLXPixmap.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXFreeContextEXT dpy ctx
+Free client-side memory for imported context.

 
 

-@defun glXFreeContextEXT 
-@heading free client-side memory for imported context
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1073,7 +1046,6 @@ Specifies a GLX rendering context.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXFreeContextEXT} frees the client-side part of a GLXContext that
 was created with @code{glXImportContextEXT}. @code{glXFreeContextEXT}
 does not free the server-side context information or the XID associated
 @code{glXFreeContextEXT} frees the client-side part of a GLXContext that
 was created with @code{glXImportContextEXT}. @code{glXFreeContextEXT}
 does not free the server-side context information or the XID associated


@@ -1085,15 +1057,14 @@ _glxextstring(EXT_import_context) is included in the string returned by
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_vertex_array} is supported.
 
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_vertex_array} is supported.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 
 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 

-@end defun
+@end deftypefun
+
+@deftypefun const-char-* glXGetClientString dpy name
+Return a string describing the client.

 
 

-@defun glXGetClientString 
-@heading return a string describing the client
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1105,7 +1076,6 @@ accepted.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXGetClientString} returns a string describing some aspect of the
 client library. The possible values for @var{name} are
 @code{GLX_VENDOR}, @code{GLX_VERSION}, and @code{GLX_EXTENSIONS}. If
 @code{glXGetClientString} returns a string describing some aspect of the
 client library. The possible values for @var{name} are
 @code{GLX_VENDOR}, @code{GLX_VERSION}, and @code{GLX_EXTENSIONS}. If


@@ -1125,11 +1095,11 @@ Both the major and minor portions of the version number are of arbitrary
 length. The vendor-specific information is optional. However, if it is
 present, the format and contents are implementation specific.
 
 length. The vendor-specific information is optional. However, if it is
 present, the format and contents are implementation specific.
 

-@end defun
+@end deftypefun
+
+@deftypefun int glXGetConfig dpy vis attrib value
+Return information about GLX visuals.

 
 

-@defun glXGetConfig 
-@heading return information about GLX visuals
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1147,7 +1117,6 @@ Returns the requested value.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXGetConfig} sets @var{value} to the @var{attrib} value of
 windows or GLX pixmaps created with respect to @var{vis}.
 @code{glXGetConfig} returns an error code if it fails for any reason.
 @code{glXGetConfig} sets @var{value} to the @var{attrib} value of
 windows or GLX pixmaps created with respect to @var{vis}.
 @code{glXGetConfig} returns an error code if it fails for any reason.


@@ -1254,7 +1223,6 @@ meets their requirements. Creating windows or GLX pixmaps with
 unnecessary buffers can result in reduced rendering performance as well
 as poor resource allocation.
 
 unnecessary buffers can result in reduced rendering performance as well
 as poor resource allocation.
 

-@heading Errors

 @code{GLX_NO_EXTENSION} is returned if @var{dpy} does not support the
 GLX extension.
 
 @code{GLX_NO_EXTENSION} is returned if @var{dpy} does not support the
 GLX extension.
 


@@ -1267,18 +1235,17 @@ attribute.
 @code{GLX_BAD_VISUAL} is returned if @var{vis} doesn't support GLX and
 an attribute other than @code{GLX_USE_GL} is requested.
 
 @code{GLX_BAD_VISUAL} is returned if @var{vis} doesn't support GLX and
 an attribute other than @code{GLX_USE_GL} is requested.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXContextID glXGetContextIDEXT ctx
+Get the XID for a context..

 
 

-@defun glXGetContextIDEXT 
-@heading get the XID for a context.
-@heading Parameters

 @table @asis
 @item @var{ctx}
 Specifies a GLX rendering context.
 
 @end table
 
 @table @asis
 @item @var{ctx}
 Specifies a GLX rendering context.
 
 @end table
 

-@heading Description

 @code{glXGetContextIDEXT} returns the XID associated with a GLXContext.
 
 No round trip is forced to the server; unlike most X calls that return a
 @code{glXGetContextIDEXT} returns the XID associated with a GLXContext.
 
 No round trip is forced to the server; unlike most X calls that return a


@@ -1290,15 +1257,14 @@ _glxextstring(EXT_import_context) is included in the string returned by
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_import_context} is supported.
 
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_import_context} is supported.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 
 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXContext glXGetCurrentContext 
+Return the current context.

 
 

-@defun glXGetCurrentContext 
-@heading return the current context
-@heading Description

 @code{glXGetCurrentContext} returns the current context, as specified by
 @code{glXMakeCurrent}. If there is no current context, @code{NULL} is
 returned.
 @code{glXGetCurrentContext} returns the current context, as specified by
 @code{glXMakeCurrent}. If there is no current context, @code{NULL} is
 returned.


@@ -1308,11 +1274,11 @@ make a round trip to the server.
 
 
 
 
 
 

-@end defun
+@end deftypefun
+
+@deftypefun Display-* glXGetCurrentDisplay 
+Get display for current context.

 
 

-@defun glXGetCurrentDisplay 
-@heading get display for current context
-@heading Description

 @code{glXGetCurrentDisplay} returns the display for the current context.
 If no context is current, @code{NULL} is returned.
 
 @code{glXGetCurrentDisplay} returns the display for the current context.
 If no context is current, @code{NULL} is returned.
 


@@ -1320,11 +1286,11 @@ If no context is current, @code{NULL} is returned.
 make a round-trip to the server, and therefore does not flush any
 pending events.
 
 make a round-trip to the server, and therefore does not flush any
 pending events.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXDrawable glXGetCurrentDrawable 
+Return the current drawable.

 
 

-@defun glXGetCurrentDrawable 
-@heading return the current drawable
-@heading Description

 @code{glXGetCurrentDrawable} returns the current drawable, as specified
 by @code{glXMakeCurrent}. If there is no current drawable, @code{None}
 is returned.
 @code{glXGetCurrentDrawable} returns the current drawable, as specified
 by @code{glXMakeCurrent}. If there is no current drawable, @code{None}
 is returned.


@@ -1332,11 +1298,11 @@ is returned.
 @code{glXGetCurrentDrawable} returns client-side information. It does
 not make a round trip to the server.
 
 @code{glXGetCurrentDrawable} returns client-side information. It does
 not make a round trip to the server.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXDrawable glXGetCurrentReadDrawable 
+Return the current drawable.

 
 

-@defun glXGetCurrentReadDrawable 
-@heading return the current drawable
-@heading Description

 @code{glXGetCurrentReadDrawable} returns the current read drawable, as
 specified by @code{read} parameter of @code{glXMakeContextCurrent}. If
 there is no current drawable, @code{None} is returned.
 @code{glXGetCurrentReadDrawable} returns the current read drawable, as
 specified by @code{read} parameter of @code{glXMakeContextCurrent}. If
 there is no current drawable, @code{None} is returned.


@@ -1344,11 +1310,11 @@ there is no current drawable, @code{None} is returned.
 @code{glXGetCurrentReadDrawable} returns client-side information. It
 does not make a round-trip to the server.
 
 @code{glXGetCurrentReadDrawable} returns client-side information. It
 does not make a round-trip to the server.
 

-@end defun
+@end deftypefun
+
+@deftypefun int glXGetFBConfigAttrib dpy config attribute value
+Return information about a GLX frame buffer configuration.

 
 

-@defun glXGetFBConfigAttrib 
-@heading return information about a GLX frame buffer configuration
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1364,7 +1330,6 @@ Returns the requested value.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXGetFBConfigAttrib} sets @var{value} to the @var{attribute}
 value of GLX drawables created with respect to @var{config}.
 @code{glXGetFBConfigAttrib} returns an error code if it fails for any
 @code{glXGetFBConfigAttrib} sets @var{value} to the @var{attribute}
 value of GLX drawables created with respect to @var{config}.
 @code{glXGetFBConfigAttrib} returns an error code if it fails for any


@@ -1592,16 +1557,15 @@ closely meets their requirements. Creating windows, GLX pixmaps, or GLX
 pixel buffers with unnecessary buffers can result in reduced rendering
 performance as well as poor resource allocation.
 
 pixel buffers with unnecessary buffers can result in reduced rendering
 performance as well as poor resource allocation.
 

-@heading Errors

 @code{GLX_NO_EXTENSION} is returned if @var{dpy} does not support the
 GLX extension. @code{GLX_BAD_ATTRIBUTE} is returned if @var{attribute}
 is not a valid GLX attribute.
 
 @code{GLX_NO_EXTENSION} is returned if @var{dpy} does not support the
 GLX extension. @code{GLX_BAD_ATTRIBUTE} is returned if @var{attribute}
 is not a valid GLX attribute.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXFBConfig-* glXGetFBConfigs dpy screen nelements
+List all GLX frame buffer configurations for a given screen.

 
 

-@defun glXGetFBConfigs 
-@heading list all GLX frame buffer configurations for a given screen
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1614,16 +1578,15 @@ Returns the number of GLXFBConfigs returned.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXGetFBConfigs} returns a list of all GLXFBConfigs available on
 the screen specified by @var{screen}. Use @code{glXGetFBConfigAttrib} to
 obtain attribute values from a specific GLXFBConfig.
 
 @code{glXGetFBConfigs} returns a list of all GLXFBConfigs available on
 the screen specified by @var{screen}. Use @code{glXGetFBConfigAttrib} to
 obtain attribute values from a specific GLXFBConfig.
 

-@end defun
+@end deftypefun
+
+@deftypefun void(*)() glXGetProcAddress procName
+Obtain a pointer to an OpenGL or GLX function.

 
 

-@defun glXGetProcAddress 
-@heading obtain a pointer to an OpenGL or GLX function
-@heading Parameters

 @table @asis
 @item @var{procName}
 Specifies the name of the OpenGL or GLX function whose address is to be
 @table @asis
 @item @var{procName}
 Specifies the name of the OpenGL or GLX function whose address is to be


@@ -1631,17 +1594,16 @@ returned.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXGetProcAddress} returns the address of the function specified
 in @var{procName}. This is necessary in environments where the OpenGL
 link library exports a different set of functions than the runtime
 library.
 
 @code{glXGetProcAddress} returns the address of the function specified
 in @var{procName}. This is necessary in environments where the OpenGL
 link library exports a different set of functions than the runtime
 library.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXGetSelectedEvent dpy draw event_mask
+Returns GLX events that are selected for a window or a GLX pixel buffer.

 
 

-@defun glXGetSelectedEvent 
-@heading returns GLX events that are selected for a window or a GLX pixel buffer
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1654,19 +1616,17 @@ Returns the events that are selected for @var{draw}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXGetSelectedEvent} returns in @var{event_mask} the events
 selected for @var{draw}.
 
 @code{glXGetSelectedEvent} returns in @var{event_mask} the events
 selected for @var{draw}.
 

-@heading Errors

 @code{GLXBadDrawable} is generated if @var{draw} is not a valid window
 or a valid GLX pixel buffer.
 
 @code{GLXBadDrawable} is generated if @var{draw} is not a valid window
 or a valid GLX pixel buffer.
 

-@end defun
+@end deftypefun
+
+@deftypefun XVisualInfo-* glXGetVisualFromFBConfig dpy config
+Return visual that is associated with the frame buffer configuration.

 
 

-@defun glXGetVisualFromFBConfig 
-@heading return visual that is associated with the frame buffer configuration
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1676,20 +1636,18 @@ Specifies the GLX frame buffer configuration.
 
 @end table
 
 
 @end table
 

-@heading Description

 If @var{config} is a valid GLX frame buffer configuration and it has an
 associated X Visual, then information describing that visual is
 returned; otherwise @code{NULL} is returned. Use @code{XFree} to free
 the data returned.
 
 If @var{config} is a valid GLX frame buffer configuration and it has an
 associated X Visual, then information describing that visual is
 returned; otherwise @code{NULL} is returned. Use @code{XFree} to free
 the data returned.
 

-@heading Errors

 Returns @code{NULL} if @var{config} is not a valid GLXFBConfig.
 
 Returns @code{NULL} if @var{config} is not a valid GLXFBConfig.
 

-@end defun
+@end deftypefun
+
+@deftypefun GLXContext glXImportContextEXT dpy contextID
+Import another process's indirect rendering context..

 
 

-@defun glXImportContextEXT 
-@heading import another process's indirect rendering context.
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1699,7 +1657,6 @@ Specifies a GLX rendering context.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXImportContextEXT} creates a GLXContext given the XID of an
 existing GLXContext. It may be used in place of @code{glXCreateContext},
 to share another process's indirect rendering context.
 @code{glXImportContextEXT} creates a GLXContext given the XID of an
 existing GLXContext. It may be used in place of @code{glXCreateContext},
 to share another process's indirect rendering context.


@@ -1726,19 +1683,14 @@ _glxextstring(EXT_import_context) is included in the string returned by
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_import_context} is supported.
 
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_import_context} is supported.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{contextID} does not refer to a
 valid context.
 
 @code{GLXBadContext} is generated if @var{contextID} does not refer to a
 valid context.
 

-@end defun
+@end deftypefun

 
 

-@defun glXIntro 
-@heading Introduction to OpenGL in the X window system
-@end defun
+@deftypefun Bool glXIsDirect dpy ctx
+Indicate whether direct rendering is enabled.

 
 

-@defun glXIsDirect 
-@heading indicate whether direct rendering is enabled
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1748,22 +1700,20 @@ Specifies the GLX context that is being queried.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXIsDirect} returns @code{True} if @var{ctx} is a direct
 rendering context, @code{False} otherwise. Direct rendering contexts
 pass rendering commands directly from the calling process's address
 space to the rendering system, bypassing the X server. Nondirect
 rendering contexts pass all rendering commands to the X server.
 
 @code{glXIsDirect} returns @code{True} if @var{ctx} is a direct
 rendering context, @code{False} otherwise. Direct rendering contexts
 pass rendering commands directly from the calling process's address
 space to the rendering system, bypassing the X server. Nondirect
 rendering contexts pass all rendering commands to the X server.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{ctx} is not a valid GLX
 context.
 
 @code{GLXBadContext} is generated if @var{ctx} is not a valid GLX
 context.
 

-@end defun
+@end deftypefun
+
+@deftypefun Bool glXMakeContextCurrent display draw read ctx
+Attach a GLX context to a GLX drawable.

 
 

-@defun glXMakeContextCurrent 
-@heading attach a GLX context to a GLX drawable
-@heading Parameters

 @table @asis
 @item @var{display}
 Specifies the connection to the X server.
 @table @asis
 @item @var{display}
 Specifies the connection to the X server.


@@ -1781,7 +1731,6 @@ Specifies the GLX context to be bound to @var{read} and @var{ctx}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXMakeContextCurrent} binds @var{ctx} to the current rendering
 thread and to the @var{draw} and @var{read} GLX drawables. @var{draw}
 and @var{read} may be the same.
 @code{glXMakeContextCurrent} binds @var{ctx} to the current rendering
 thread and to the @var{draw} and @var{read} GLX drawables. @var{draw}
 and @var{read} may be the same.


@@ -1817,7 +1766,6 @@ To release the current context without assigning a new one, call
 @code{False} otherwise. If @code{False} is returned, the previously
 current rendering context and drawable (if any) remain unchanged.
 
 @code{False} otherwise. If @code{False} is returned, the previously
 current rendering context and drawable (if any) remain unchanged.
 

-@heading Errors

 @code{BadMatch} is generated if @var{draw} and @var{read} are not
 compatible.
 
 @code{BadMatch} is generated if @var{draw} and @var{read} are not
 compatible.
 


@@ -1858,11 +1806,11 @@ bound to a GLXWindow or GLXPbuffer.
 @var{draw} or @var{read} is a GLXWindow or GLXPbuffer and @var{ctx} was
 previously bound to a GLXPixmap.
 
 @var{draw} or @var{read} is a GLXWindow or GLXPbuffer and @var{ctx} was
 previously bound to a GLXPixmap.
 

-@end defun
+@end deftypefun
+
+@deftypefun Bool glXMakeCurrent dpy drawable ctx
+Attach a GLX context to a window or a GLX pixmap.

 
 

-@defun glXMakeCurrent 
-@heading attach a GLX context to a window or a GLX pixmap
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1877,7 +1825,6 @@ Specifies a GLX rendering context that is to be attached to
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXMakeCurrent} does two things: It makes @var{ctx} the current
 GLX rendering context of the calling thread, replacing the previously
 current context if there was one, and it attaches @var{ctx} to a GLX
 @code{glXMakeCurrent} does two things: It makes @var{ctx} the current
 GLX rendering context of the calling thread, replacing the previously
 current context if there was one, and it attaches @var{ctx} to a GLX


@@ -1902,7 +1849,6 @@ To release the current context without assigning a new one, call
 @code{False} otherwise. If @code{False} is returned, the previously
 current rendering context and drawable (if any) remain unchanged.
 
 @code{False} otherwise. If @code{False} is returned, the previously
 current rendering context and drawable (if any) remain unchanged.
 

-@heading Errors

 @code{BadMatch} is generated if @var{drawable} was not created with the
 same X screen and visual as @var{ctx}. It is also generated if
 @var{drawable} is @code{None} and @var{ctx} is not @code{NULL}.
 @code{BadMatch} is generated if @var{drawable} was not created with the
 same X screen and visual as @var{ctx}. It is also generated if
 @var{drawable} is @code{None} and @var{ctx} is not @code{NULL}.


@@ -1932,11 +1878,11 @@ longer valid.
 ancillary buffers until @code{glXMakeCurrent} is called, only to find
 that it has insufficient resources to complete the allocation.
 
 ancillary buffers until @code{glXMakeCurrent} is called, only to find
 that it has insufficient resources to complete the allocation.
 

-@end defun
+@end deftypefun
+
+@deftypefun int glXQueryContextInfoEXT dpy ctx attribute value
+Query context information.

 
 

-@defun glXQueryContextInfoEXT 
-@heading query context information
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -1954,7 +1900,6 @@ Contains the return value for @var{attribute}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryContextInfoEXT} sets @var{value} to the value of
 @var{attribute} with respect to @var{ctx}. @code{glXQueryContextInfoEXT}
 returns an error code if it fails for any reason. Otherwise,
 @code{glXQueryContextInfoEXT} sets @var{value} to the value of
 @var{attribute} with respect to @var{ctx}. @code{glXQueryContextInfoEXT}
 returns an error code if it fails for any reason. Otherwise,


@@ -1983,7 +1928,6 @@ _glxextstring(EXT_import_context) is included in the string returned by
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_import_context} is supported.
 
 @code{glXQueryExtensionsString}, when called with argument
 @code{GLX_EXTENSIONS}, extension @code{EXT_import_context} is supported.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 
 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 


@@ -1993,11 +1937,11 @@ GLX context attribute.
 fred @code{GLX_BAD_CONTEXT} is returned if @var{attribute} is not a
 valid context.
 
 fred @code{GLX_BAD_CONTEXT} is returned if @var{attribute} is not a
 valid context.
 

-@end defun
+@end deftypefun
+
+@deftypefun int glXQueryContext dpy ctx attribute value
+Query context information.

 
 

-@defun glXQueryContext 
-@heading query context information
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2014,7 +1958,6 @@ Contains the return value for @var{attribute}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryContext} sets @var{value} to the value of @var{attribute}
 with respect to @var{ctx}. @var{attribute} may be one of the following:
 
 @code{glXQueryContext} sets @var{value} to the value of @var{attribute}
 with respect to @var{ctx}. @var{attribute} may be one of the following:
 


@@ -2035,15 +1978,14 @@ context attribute, in which case @code{GLX_BAD_ATTRIBUTE} is returned.
 
 This call may cause a round-trip to the server.
 
 
 This call may cause a round-trip to the server.
 

-@heading Errors

 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 
 @code{GLXBadContext} is generated if @var{ctx} does not refer to a valid
 context.
 

-@end defun
+@end deftypefun
+
+@deftypefun int glXQueryDrawable dpy draw attribute value
+Returns an attribute assoicated with a GLX drawable.

 
 

-@defun glXQueryDrawable 
-@heading returns an attribute assoicated with a GLX drawable
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2061,7 +2003,6 @@ Contains the return value for @var{attribute}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryDrawable} sets @var{value} to the value of @var{attribute}
 with respect to the GLXDrawable @var{draw}.
 
 @code{glXQueryDrawable} sets @var{value} to the value of @var{attribute}
 with respect to the GLXDrawable @var{draw}.
 


@@ -2096,15 +2037,14 @@ If @var{draw} is a GLXWindow or GLXPixmap and @var{attribute} is set to
 contents of @var{value} are undefined. If @var{attribute} is not one of
 the attributes listed above, the contents of @var{value} are unedfined.
 
 contents of @var{value} are undefined. If @var{attribute} is not one of
 the attributes listed above, the contents of @var{value} are unedfined.
 

-@heading Errors

 A @code{GLXBadDrawable} is generated if @var{draw} is not a valid
 GLXDrawable.
 
 A @code{GLXBadDrawable} is generated if @var{draw} is not a valid
 GLXDrawable.
 

-@end defun
+@end deftypefun
+
+@deftypefun const-char-* glXQueryExtensionsString dpy screen
+Return list of supported extensions.

 
 

-@defun glXQueryExtensionsString 
-@heading return list of supported extensions
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2114,18 +2054,17 @@ Specifies the screen number.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryExtensionsString} returns a pointer to a string describing
 which GLX extensions are supported on the connection. The string is
 null-terminated and contains a space-separated list of extension names.
 (The extension names themselves never contain spaces.) If there are no
 extensions to GLX, then the empty string is returned.
 
 @code{glXQueryExtensionsString} returns a pointer to a string describing
 which GLX extensions are supported on the connection. The string is
 null-terminated and contains a space-separated list of extension names.
 (The extension names themselves never contain spaces.) If there are no
 extensions to GLX, then the empty string is returned.
 

-@end defun
+@end deftypefun
+
+@deftypefun Bool glXQueryExtension dpy errorBase eventBase
+Indicate whether the GLX extension is supported.

 
 

-@defun glXQueryExtension 
-@heading indicate whether the GLX extension is supported
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2138,7 +2077,6 @@ Returns the base event code of the GLX server extension.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryExtension} returns @code{True} if the X server of
 connection @var{dpy} supports the GLX extension, @code{False} otherwise.
 If @code{True} is returned, then @var{errorBase} and @var{eventBase}
 @code{glXQueryExtension} returns @code{True} if the X server of
 connection @var{dpy} supports the GLX extension, @code{False} otherwise.
 If @code{True} is returned, then @var{errorBase} and @var{eventBase}


@@ -2150,11 +2088,11 @@ actual event or error values. Otherwise, @var{errorBase} and
 @var{errorBase} and @var{eventBase} do not return values if they are
 specified as @code{NULL}.
 
 @var{errorBase} and @var{eventBase} do not return values if they are
 specified as @code{NULL}.
 

-@end defun
+@end deftypefun
+
+@deftypefun const-char-* glXQueryServerString dpy screen name
+Return string describing the server.

 
 

-@defun glXQueryServerString 
-@heading return string describing the server
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2168,18 +2106,17 @@ Specifies which string is returned: one of @code{GLX_VENDOR},
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryServerString} returns a pointer to a static,
 null-terminated string describing some aspect of the server's GLX
 extension. The possible values for @var{name} and the format of the
 strings is the same as for @code{glXGetClientString}. If @var{name} is
 not set to a recognized value, @code{NULL} is returned.
 
 @code{glXQueryServerString} returns a pointer to a static,
 null-terminated string describing some aspect of the server's GLX
 extension. The possible values for @var{name} and the format of the
 strings is the same as for @code{glXGetClientString}. If @var{name} is
 not set to a recognized value, @code{NULL} is returned.
 

-@end defun
+@end deftypefun
+
+@deftypefun Bool glXQueryVersion dpy major minor
+Return the version numbers of the GLX extension.

 
 

-@defun glXQueryVersion 
-@heading return the version numbers of the GLX extension
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2192,7 +2129,6 @@ Returns the minor version number of the GLX server extension.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXQueryVersion} returns the major and minor version numbers of
 the GLX extension implemented by the server associated with connection
 @var{dpy}. Implementations with the same major version number are upward
 @code{glXQueryVersion} returns the major and minor version numbers of
 the GLX extension implemented by the server associated with connection
 @var{dpy}. Implementations with the same major version number are upward


@@ -2202,18 +2138,17 @@ is a superset of the version with the lower minor number.
 @var{major} and @var{minor} do not return values if they are specified
 as @code{NULL}.
 
 @var{major} and @var{minor} do not return values if they are specified
 as @code{NULL}.
 

-@heading Errors

 @code{glXQueryVersion} returns @code{False} if it fails, @code{True}
 otherwise.
 
 @var{major} and @var{minor} are not updated when @code{False} is
 returned.
 
 @code{glXQueryVersion} returns @code{False} if it fails, @code{True}
 otherwise.
 
 @var{major} and @var{minor} are not updated when @code{False} is
 returned.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXSelectEvent dpy draw event_mask
+Select GLX events for a window or a GLX pixel buffer.

 
 

-@defun glXSelectEvent 
-@heading select GLX events for a window or a GLX pixel buffer
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2226,7 +2161,6 @@ Specifies the events to be returned for @var{draw}.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXSelectEvent} sets the GLX event mask for a GLX pixel buffer or
 a window. Calling @code{glXSelectEvent} overrides any previous event
 mask that was set by the client for @var{draw}. Note that it does not
 @code{glXSelectEvent} sets the GLX event mask for a GLX pixel buffer or
 a window. Calling @code{glXSelectEvent} overrides any previous event
 mask that was set by the client for @var{draw}. Note that it does not


@@ -2357,15 +2291,14 @@ or moved out of off-screen memory. The event contains information
 indicating which color buffers and ancillary buffers\(emand which
 portions of those buffers\(emwere affected.
 
 indicating which color buffers and ancillary buffers\(emand which
 portions of those buffers\(emwere affected.
 

-@heading Errors

 @code{GLXBadDrawable} is generated if @var{draw} is not a valid window
 or a valid GLX pixel buffer.
 
 @code{GLXBadDrawable} is generated if @var{draw} is not a valid window
 or a valid GLX pixel buffer.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXSwapBuffers dpy drawable
+Exchange front and back buffers.

 
 

-@defun glXSwapBuffers 
-@heading exchange front and back buffers
-@heading Parameters

 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.
 @table @asis
 @item @var{dpy}
 Specifies the connection to the X server.


@@ -2375,7 +2308,6 @@ Specifies the drawable whose buffers are to be swapped.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXSwapBuffers} promotes the contents of the back buffer of
 @var{drawable} to become the contents of the front buffer of
 @var{drawable}. The contents of the back buffer then become undefined.
 @code{glXSwapBuffers} promotes the contents of the back buffer of
 @var{drawable} to become the contents of the front buffer of
 @var{drawable}. The contents of the back buffer then become undefined.


@@ -2390,7 +2322,6 @@ exchange is completed.
 If @var{drawable} was not created with respect to a double-buffered
 visual, @code{glXSwapBuffers} has no effect, and no error is generated.
 
 If @var{drawable} was not created with respect to a double-buffered
 visual, @code{glXSwapBuffers} has no effect, and no error is generated.
 

-@heading Errors

 @code{GLXBadDrawable} is generated if @var{drawable} is not a valid GLX
 drawable.
 
 @code{GLXBadDrawable} is generated if @var{drawable} is not a valid GLX
 drawable.
 


@@ -2399,11 +2330,11 @@ are respectively the display and drawable associated with the current
 context of the calling thread, and @var{drawable} identifies a window
 that is no longer valid.
 
 context of the calling thread, and @var{drawable} identifies a window
 that is no longer valid.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXUseXFont font first count listBase
+Create bitmap display lists from an X font.

 
 

-@defun glXUseXFont 
-@heading create bitmap display lists from an X font
-@heading Parameters

 @table @asis
 @item @var{font}
 Specifies the font from which character glyphs are to be taken.
 @table @asis
 @item @var{font}
 Specifies the font from which character glyphs are to be taken.


@@ -2419,20 +2350,17 @@ Specifies the index of the first display list to be generated.
 
 @end table
 
 
 @end table
 

-@heading Description

 @code{glXUseXFont} generates @var{count} display lists, named
 @code{glXUseXFont} generates @var{count} display lists, named

-@var{listBase} through @math{@var{listBase}+@var{count}-1}, each
-containing a single @code{glBitmap} command. The parameters of the
-@code{glBitmap} command of display list @math{@var{listBase}+@var{i}}
-are derived from glyph @math{@var{first}+@var{i}}. Bitmap parameters
-@math{@var{xorig}}, @math{@var{yorig}}, @math{@var{width}}, and
-@math{@var{height}} are computed from font metrics as
-@math{@var{descent}-1}, @math{-@var{lbearing}},
-@math{@var{rbearing}-@var{lbearing}}, and
-@math{@var{ascent}+@var{descent}}, respectively. @math{@var{xmove}} is
-taken from the glyph's @math{@var{width}} metric, and @math{@var{ymove}}
-is set to zero. Finally, the glyph's image is converted to the
-appropriate format for @code{glBitmap}.
+@var{listBase} through @r{@var{listBase}+@var{count}-1}, each containing
+a single @code{glBitmap} command. The parameters of the @code{glBitmap}
+command of display list @r{@var{listBase}+@var{i}} are derived from
+glyph @r{@var{first}+@var{i}}. Bitmap parameters @r{@var{xorig}},
+@r{@var{yorig}}, @r{@var{width}}, and @r{@var{height}} are computed from
+font metrics as @r{@var{descent}-1}, @r{-@var{lbearing}},
+@r{@var{rbearing}-@var{lbearing}}, and @r{@var{ascent}+@var{descent}},
+respectively. @r{@var{xmove}} is taken from the glyph's @r{@var{width}}
+metric, and @r{@var{ymove}} is set to zero. Finally, the glyph's image
+is converted to the appropriate format for @code{glBitmap}.

 
 Using @code{glXUseXFont} may be more efficient than accessing the X font
 and generating the display lists explicitly, both because the display
 
 Using @code{glXUseXFont} may be more efficient than accessing the X font
 and generating the display lists explicitly, both because the display


@@ -2444,7 +2372,6 @@ Empty display lists are created for all glyphs that are requested and
 are not defined in @var{font}. @code{glXUseXFont} is ignored if there is
 no current GLX context.
 
 are not defined in @var{font}. @code{glXUseXFont} is ignored if there is
 no current GLX context.
 

-@heading Errors

 @code{BadFont} is generated if @var{font} is not a valid font.
 
 @code{GLXBadContextState} is generated if the current GLX context is in
 @code{BadFont} is generated if @var{font} is not a valid font.
 
 @code{GLXBadContextState} is generated if the current GLX context is in


@@ -2454,11 +2381,11 @@ display-list construction mode.
 the current context of the calling thread is a window, and that window
 is no longer valid.
 
 the current context of the calling thread is a window, and that window
 is no longer valid.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXWaitGL 
+Complete GL execution prior to subsequent X calls.

 
 

-@defun glXWaitGL 
-@heading complete GL execution prior to subsequent X calls
-@heading Description

 GL rendering calls made prior to @code{glXWaitGL} are guaranteed to be
 executed before X rendering calls made after @code{glXWaitGL}. Although
 this same result can be achieved using @code{glFinish}, @code{glXWaitGL}
 GL rendering calls made prior to @code{glXWaitGL} are guaranteed to be
 executed before X rendering calls made after @code{glXWaitGL}. Although
 this same result can be achieved using @code{glFinish}, @code{glXWaitGL}


@@ -2467,16 +2394,15 @@ efficient in cases where client and server are on separate machines.
 
 @code{glXWaitGL} is ignored if there is no current GLX context.
 
 
 @code{glXWaitGL} is ignored if there is no current GLX context.
 

-@heading Errors

 @code{GLXBadCurrentWindow} is generated if the drawable associated with
 the current context of the calling thread is a window, and that window
 is no longer valid.
 
 @code{GLXBadCurrentWindow} is generated if the drawable associated with
 the current context of the calling thread is a window, and that window
 is no longer valid.
 

-@end defun
+@end deftypefun
+
+@deftypefun void glXWaitX 
+Complete X execution prior to subsequent GL calls.

 
 

-@defun glXWaitX 
-@heading complete X execution prior to subsequent GL calls
-@heading Description

 X rendering calls made prior to @code{glXWaitX} are guaranteed to be
 executed before GL rendering calls made after @code{glXWaitX}. Although
 the same result can be achieved using @code{XSync}, @code{glXWaitX} does
 X rendering calls made prior to @code{glXWaitX} are guaranteed to be
 executed before GL rendering calls made after @code{glXWaitX}. Although
 the same result can be achieved using @code{XSync}, @code{glXWaitX} does


@@ -2485,12 +2411,11 @@ efficient in cases where client and server are on separate machines.
 
 @code{glXWaitX} is ignored if there is no current GLX context.
 
 
 @code{glXWaitX} is ignored if there is no current GLX context.
 

-@heading Errors

 @code{GLXBadCurrentWindow} is generated if the drawable associated with
 the current context of the calling thread is a window, and that window
 is no longer valid.
 
 @code{GLXBadCurrentWindow} is generated if the drawable associated with
 the current context of the calling thread is a window, and that window
 is no longer valid.
 

-@end defun
+@end deftypefun

 
 
 @c %end of fragment
 
 
 @c %end of fragment