GLX_SGIX_pbuffer http://www.opengl.org/registry/specs/SGIX/pbuffer.txt GLX_SGIX_pbuffer GLX_FRONT_LEFT_BUFFER_BIT_SGIX 0x00000001 GLX_FRONT_RIGHT_BUFFER_BIT_SGIX 0x00000002 GLX_BACK_LEFT_BUFFER_BIT_SGIX 0x00000004 GLX_PBUFFER_BIT_SGIX 0x00000004 GLX_BACK_RIGHT_BUFFER_BIT_SGIX 0x00000008 GLX_AUX_BUFFERS_BIT_SGIX 0x00000010 GLX_DEPTH_BUFFER_BIT_SGIX 0x00000020 GLX_STENCIL_BUFFER_BIT_SGIX 0x00000040 GLX_ACCUM_BUFFER_BIT_SGIX 0x00000080 GLX_SAMPLE_BUFFERS_BIT_SGIX 0x00000100 GLX_MAX_PBUFFER_WIDTH_SGIX 0x8016 GLX_MAX_PBUFFER_HEIGHT_SGIX 0x8017 GLX_MAX_PBUFFER_PIXELS_SGIX 0x8018 GLX_OPTIMAL_PBUFFER_WIDTH_SGIX 0x8019 GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX 0x801A GLX_PRESERVED_CONTENTS_SGIX 0x801B GLX_LARGEST_PBUFFER_SGIX 0x801C GLX_WIDTH_SGIX 0x801D GLX_HEIGHT_SGIX 0x801E GLX_EVENT_MASK_SGIX 0x801F GLX_DAMAGED_SGIX 0x8020 GLX_SAVED_SGIX 0x8021 GLX_WINDOW_SGIX 0x8022 GLX_PBUFFER_SGIX 0x8023 GLX_BUFFER_CLOBBER_MASK_SGIX 0x08000000 GLXPbuffer glXCreateGLXPbufferSGIX (Display* dpy, GLXFBConfig config, unsigned int width, unsigned int height, int *attrib_list) void glXDestroyGLXPbufferSGIX (Display* dpy, GLXPbuffer pbuf) void glXGetSelectedEventSGIX (Display* dpy, GLXDrawable drawable, unsigned long *mask) void glXQueryGLXPbufferSGIX (Display* dpy, GLXPbuffer pbuf, int attribute, unsigned int *value) void glXSelectEventSGIX (Display* dpy, GLXDrawable drawable, unsigned long mask) typedef XID GLXPbufferSGIX typedef struct { int type; unsigned long serial; Bool send_event; Display *display; GLXDrawable drawable; int event_type; int draw_type; unsigned int mask; int x, y; int width, height; int count; } GLXBufferClobberEventSGIX