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 ([email protected])
32 */
33
34 #if defined(GLX_USE_APPLEGL)
35
36 #include <stdbool.h>
37 #include <dlfcn.h>
38
39 #include "glxclient.h"
40 #include "apple/apple_glx_context.h"
41 #include "apple/apple_glx.h"
42 #include "apple/apple_cgl.h"
43 #include "glx_error.h"
44
45 static void
applegl_destroy_context(struct glx_context * gc)46 applegl_destroy_context(struct glx_context *gc)
47 {
48 apple_glx_destroy_context(&gc->driContext, gc->psc->dpy);
49 }
50
51 static int
applegl_bind_context(struct glx_context * gc,GLXDrawable draw,GLXDrawable read)52 applegl_bind_context(
53 struct glx_context *gc,
54 GLXDrawable draw, GLXDrawable read)
55 {
56 Display *dpy = gc->psc->dpy;
57 bool error = apple_glx_make_current_context(
58 dpy,
59 NULL,
60 gc ? gc->driContext : NULL, draw);
61
62 apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO");
63 if (error)
64 return 1; /* GLXBadContext is the same as Success (0) */
65
66 apple_glapi_set_dispatch();
67
68 return Success;
69 }
70
71 static void
applegl_unbind_context(struct glx_context * gc)72 applegl_unbind_context(struct glx_context *gc)
73 {
74 Display *dpy;
75 bool error;
76
77 /* If we don't have a context, then we have nothing to unbind */
78 if (!gc)
79 return;
80
81 dpy = gc->psc->dpy;
82
83 error = apple_glx_make_current_context(
84 dpy,
85 (gc != &dummyContext) ? gc->driContext : NULL,
86 NULL, None);
87
88 apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO");
89 }
90
91 static void
applegl_wait_gl(struct glx_context * gc)92 applegl_wait_gl(struct glx_context *gc)
93 {
94 glFinish();
95 }
96
97 static void
applegl_wait_x(struct glx_context * gc)98 applegl_wait_x(struct glx_context *gc)
99 {
100 Display *dpy = gc->psc->dpy;
101 apple_glx_waitx(dpy, gc->driContext);
102 }
103
104 void *
applegl_get_proc_address(const char * symbol)105 applegl_get_proc_address(const char *symbol)
106 {
107 return dlsym(apple_cgl_get_dl_handle(), symbol);
108 }
109
110 static const struct glx_context_vtable applegl_context_vtable = {
111 .destroy = applegl_destroy_context,
112 .bind = applegl_bind_context,
113 .unbind = applegl_unbind_context,
114 .wait_gl = applegl_wait_gl,
115 .wait_x = applegl_wait_x,
116 };
117
118 struct glx_context *
applegl_create_context(struct glx_screen * psc,struct glx_config * config,struct glx_context * shareList,int renderType)119 applegl_create_context(
120 struct glx_screen *psc,
121 struct glx_config *config,
122 struct glx_context *shareList, int renderType)
123 {
124 struct glx_context *gc;
125 int errorcode;
126 bool x11error;
127 Display *dpy = psc->dpy;
128 int screen = psc->scr;
129
130 /* TODO: Integrate this with apple_glx_create_context and make
131 * struct apple_glx_context inherit from struct glx_context. */
132
133 if (!config)
134 return NULL;
135
136 gc = calloc(1, sizeof(*gc));
137 if (gc == NULL)
138 return NULL;
139
140 if (!glx_context_init(gc, psc, config)) {
141 free(gc);
142 return NULL;
143 }
144
145 gc->vtable = &applegl_context_vtable;
146 gc->driContext = NULL;
147
148 /* TODO: darwin: Integrate with above to do indirect */
149 if (apple_glx_create_context(&gc->driContext, dpy, screen, config,
150 shareList ? shareList->driContext : NULL,
151 &errorcode, &x11error)) {
152 __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error);
153 gc->vtable->destroy(gc);
154 return NULL;
155 }
156
157 gc->currentContextTag = -1;
158 gc->config = config;
159 gc->isDirect = GL_TRUE;
160 gc->xid = 1; /* Just something not None, so we know when to destroy
161 * it in MakeContextCurrent. */
162
163 return gc;
164 }
165
166 static const struct glx_screen_vtable applegl_screen_vtable = {
167 .create_context = applegl_create_context,
168 .create_context_attribs = NULL,
169 .query_renderer_integer = NULL,
170 .query_renderer_string = NULL,
171 };
172
173 _X_HIDDEN struct glx_screen *
applegl_create_screen(int screen,struct glx_display * priv)174 applegl_create_screen(int screen, struct glx_display * priv)
175 {
176 struct glx_screen *psc;
177
178 psc = calloc(1, sizeof *psc);
179 if (psc == NULL)
180 return NULL;
181
182 glx_screen_init(psc, screen, priv);
183 psc->vtable = &applegl_screen_vtable;
184
185 return psc;
186 }
187
188 _X_HIDDEN int
applegl_create_display(struct glx_display * glx_dpy)189 applegl_create_display(struct glx_display *glx_dpy)
190 {
191 if(!apple_init_glx(glx_dpy->dpy))
192 return 1;
193
194 return GLXBadContext;
195 }
196
197 #endif
198