applegl_glx.c revision c6cf82fb553405bee241170f6e51cafd751d46ea 
1/*
2 * Copyright © 2010 Intel Corporation
3 * Copyright © 2011 Apple Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Soft-
7 * ware"), to deal in the Software without restriction, including without
8 * limitation the rights to use, copy, modify, merge, publish, distribute,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, provided that the above copyright
11 * notice(s) and this permission notice appear in all copies of the Soft-
12 * ware and that both the above copyright notice(s) and this permission
13 * notice appear in supporting documentation.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
17 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
18 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
19 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
20 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
22 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
23 * MANCE OF THIS SOFTWARE.
24 *
25 * Except as contained in this notice, the name of a copyright holder shall
26 * not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization of
28 * the copyright holder.
29 *
30 * Authors:
31 *   Kristian Høgsberg (krh@bitplanet.net)
32 */
33
34#if defined(GLX_USE_APPLEGL)
35
36#include <stdbool.h>
37
38#include "glxclient.h"
39#include "apple_glx_context.h"
40#include "apple_glx.h"
41#include "glx_error.h"
42
43static void
44applegl_destroy_context(struct glx_context *gc)
45{
46   apple_glx_destroy_context(&gc->driContext, gc->psc->dpy);
47}
48
49static int
50applegl_bind_context(struct glx_context *gc, struct glx_context *old,
51		     GLXDrawable draw, GLXDrawable read)
52{
53   Display *dpy = gc->psc->dpy;
54   bool error = apple_glx_make_current_context(dpy,
55					       (old && old != &dummyContext) ? old->driContext : NULL,
56					       gc ? gc->driContext : NULL, draw);
57
58   apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO");
59   if (error)
60      return 1; /* GLXBadContext is the same as Success (0) */
61
62   return Success;
63}
64
65static void
66applegl_unbind_context(struct glx_context *gc, struct glx_context *new)
67{
68}
69
70static void
71applegl_wait_gl(struct glx_context *gc)
72{
73   glFinish();
74}
75
76static void
77applegl_wait_x(struct glx_context *gc)
78{
79   Display *dpy = gc->psc->dpy;
80   apple_glx_waitx(dpy, gc->driContext);
81}
82
83static const struct glx_context_vtable applegl_context_vtable = {
84   applegl_destroy_context,
85   applegl_bind_context,
86   applegl_unbind_context,
87   applegl_wait_gl,
88   applegl_wait_x,
89   DRI_glXUseXFont,
90   NULL, /* bind_tex_image, */
91   NULL, /* release_tex_image, */
92};
93
94struct glx_context *
95applegl_create_context(struct glx_screen *psc,
96		       struct glx_config *config,
97		       struct glx_context *shareList, int renderType)
98{
99   struct glx_context *gc;
100   int errorcode;
101   bool x11error;
102   Display *dpy = psc->dpy;
103   int screen = psc->scr;
104
105   /* TODO: Integrate this with apple_glx_create_context and make
106    * struct apple_glx_context inherit from struct glx_context. */
107
108   gc = Xcalloc(1, sizeof (*gc));
109   if (gc == NULL)
110      return NULL;
111
112   if (!glx_context_init(gc, psc, config)) {
113      Xfree(gc);
114      return NULL;
115   }
116
117   gc->vtable = &applegl_context_vtable;
118   gc->driContext = NULL;
119
120   /* TODO: darwin: Integrate with above to do indirect */
121   if(apple_glx_create_context(&gc->driContext, dpy, screen, config,
122			       shareList ? shareList->driContext : NULL,
123			       &errorcode, &x11error)) {
124      __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error);
125      gc->vtable->destroy(gc);
126      return NULL;
127   }
128
129   gc->currentContextTag = -1;
130   gc->config = config;
131   gc->isDirect = GL_TRUE;
132   gc->xid = 1; /* Just something not None, so we know when to destroy
133		 * it in MakeContextCurrent. */
134
135   return gc;
136}
137
138struct glx_screen_vtable applegl_screen_vtable = {
139   applegl_create_context
140};
141
142_X_HIDDEN struct glx_screen *
143applegl_create_screen(int screen, struct glx_display * priv)
144{
145   struct glx_screen *psc;
146
147   psc = Xmalloc(sizeof *psc);
148   if (psc == NULL)
149      return NULL;
150
151   memset(psc, 0, sizeof *psc);
152   glx_screen_init(psc, screen, priv);
153   psc->vtable = &applegl_screen_vtable;
154
155   return psc;
156}
157
158_X_HIDDEN int
159applegl_create_display(struct glx_display *glx_dpy)
160{
161   if(!apple_init_glx(glx_dpy->dpy))
162      return 1;
163
164   return GLXBadContext;
165}
166
167#endif
168