apple_glx_context.h revision ad503c41557606d15b0420c824369456f6d20a8f 
1/*
2 Copyright (c) 2008, 2009 Apple Inc.
3
4 Permission is hereby granted, free of charge, to any person
5 obtaining a copy of this software and associated documentation files
6 (the "Software"), to deal in the Software without restriction,
7 including without limitation the rights to use, copy, modify, merge,
8 publish, distribute, sublicense, and/or sell copies of the Software,
9 and to permit persons to whom the Software is furnished to do so,
10 subject to the following conditions:
11
12 The above copyright notice and this permission notice shall be
13 included in all copies or substantial portions of the Software.
14
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 NONINFRINGEMENT.  IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
19 HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
23
24 Except as contained in this notice, the name(s) of the above
25 copyright holders shall not be used in advertising or otherwise to
26 promote the sale, use or other dealings in this Software without
27 prior written authorization.
28*/
29#ifndef APPLE_GLX_CONTEXT_H
30#define APPLE_GLX_CONTEXT_H
31
32#include <stdbool.h>
33#include <X11/Xlib.h>
34#include <GL/glx.h>
35#include <OpenGL/CGLTypes.h>
36#include <OpenGL/CGLContext.h>
37#define XP_NO_X_HEADERS
38#include <Xplugin.h>
39#undef XP_NO_X_HEADERS
40
41#include "apple_glx_drawable.h"
42
43struct apple_glx_context
44{
45   CGLContextObj context_obj;
46   CGLPixelFormatObj pixel_format_obj;
47   struct apple_glx_drawable *drawable;
48   pthread_t thread_id;
49   int screen;
50   bool double_buffered;
51   bool uses_stereo;
52   bool need_update;
53   bool is_current;             /* True if the context is current in some thread. */
54   bool made_current;           /* True if the context has ever been made current. */
55
56   /*
57    * last_surface is set by the pending_destroy code handler for a drawable.
58    * Due to a CG difference, we have to recreate a surface if the window
59    * is unmapped and mapped again.
60    */
61   Window last_surface_window;
62   struct apple_glx_context *previous, *next;
63};
64
65bool apple_glx_create_context(void **ptr, Display * dpy, int screen,
66                              const void *mode, void *sharedContext,
67                              int *errorptr, bool * x11errorptr);
68void apple_glx_destroy_context(void **ptr, Display * dpy);
69
70bool apple_glx_make_current_context(Display * dpy, void *oldptr, void *ptr,
71                                    GLXDrawable drawable);
72bool apple_glx_is_current_drawable(Display * dpy, void *ptr,
73                                   GLXDrawable drawable);
74
75bool apple_glx_copy_context(void *currentptr, void *srcptr, void *destptr,
76                            unsigned long mask, int *errorptr,
77                            bool * x11errorptr);
78
79int apple_glx_context_surface_changed(unsigned int uid, pthread_t caller);
80
81void apple_glx_context_update(Display * dpy, void *ptr);
82
83bool apple_glx_context_uses_stereo(void *ptr);
84
85#endif /*APPLE_GLX_CONTEXT_H */
86