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Exceed and offscreen rendering

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Old 04-28-2009
Exceed and offscreen rendering
Hi everyone.
I made a program which renders a 3D scene into a pbuffer/pixmap (if pbuffer aren't supported) in order to export it to a postscript file.
On a RHEL4 (32/64 bits) or whatever distribution may be, it works just fine.
I'm using Exceed when I'm working under WinXP and each time I run my program, more specifically when I export my 3D scene (visualization is OK) using pbuffers or GLX pixmaps, I have this kind of error message:

X Error of failed request: BadImplementation (server does not implement operation)
Major opcode of failed request: 134 (GLX)
Minor opcode of failed request: 5 (X_GLXMakeCurrent)
Serial number of failed request: 22
Current serial number in output stream: 22


Any help will be appreciated.
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LEARN ABOUT CENTOS

glxcreateglxpixmap

GLXCREATEGLXPIXMAP(3G)						   OpenGL Manual					    GLXCREATEGLXPIXMAP(3G)

NAME

       glXCreateGLXPixmap - create an off-screen GLX rendering area

C SPECIFICATION

       GLXPixmap glXCreateGLXPixmap(Display * dpy, XVisualInfo * vis, Pixmap pixmap);

PARAMETERS

       dpy
	   Specifies the connection to the X server.

       vis
	   Specifies the visual that defines the structure of the rendering area. It is a pointer to an XVisualInfo structure, not a visual ID or
	   a pointer to a Visual.

       pixmap
	   Specifies the X pixmap that will be used as the front left color buffer of the off-screen rendering area.

DESCRIPTION

       glXCreateGLXPixmap creates an off-screen rendering area and returns its XID. Any GLX rendering context that was created with respect to vis
       can be used to render into this off-screen area. Use glXMakeCurrent() to associate the rendering area with a GLX rendering context.

       The X pixmap identified by pixmap is used as the front left buffer of the resulting off-screen rendering area. All other buffers specified
       by vis, including color buffers other than the front left buffer, are created without externally visible names. GLX pixmaps with
       double-buffering are supported. However, glXSwapBuffers() is ignored by these pixmaps.

       Some implementations may not support GLX pixmaps with direct rendering contexts.

NOTES

       XVisualInfo is defined in Xutil.h.  It is a structure that includes visual, visualID, screen, and depth elements.

ERRORS

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

       BadValue is generated if vis is not a valid XVisualInfo pointer (for example, if a particular GLX implementation does not support this
       visual).

       BadPixmap is generated if pixmap is not a valid pixmap.

       BadAlloc is generated if the server cannot allocate the GLX pixmap.

SEE ALSO

       glXCreateContext(), glXCreatePixmap(), glXDestroyGLXPixmap(), glXIsDirect(), glXMakeCurrent()

COPYRIGHT

       Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS

       opengl.org

opengl.org							    06/10/2014						    GLXCREATEGLXPIXMAP(3G)