MirOS Manual: glXCreateGLXPixmap(3)


GLXCREATEGLXPIXMAP()UNIX Programmer's Manual GLXCREATEGLXPIXMAP()

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 visi-
     ble 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).

MirOS BSD #10-current  Printed 03.04.2017                       1

GLXCREATEGLXPIXMAP()UNIX Programmer's Manual GLXCREATEGLXPIXMAP()

     BadPixmap is generated if pixmap is not a valid pixmap.

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

SEE ALSO

     glXCreateContext, glXIsDirect, glXMakeCurrent

MirOS BSD #10-current  Printed 03.04.2017                       2

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