1 /*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23 #include "fake_glx_screen.h"
24
25 struct glx_screen_vtable fake_glx_screen::vt = {
26 indirect_create_context,
27 indirect_create_context_attribs,
28 NULL,
29 NULL,
30 };
31
32 struct glx_screen_vtable fake_glx_screen_direct::vt = {
33 fake_glx_context_direct::create,
34 fake_glx_context_direct::create_attribs,
35 NULL,
36 NULL,
37 };
38
39 const struct glx_context_vtable fake_glx_context::vt = {
40 fake_glx_context::destroy,
41 NULL,
42 NULL,
43 NULL,
44 NULL,
45 NULL,
46 NULL,
47 NULL,
48 NULL,
49 };
50
51 int fake_glx_context::contexts_allocated = 0;
52
53 extern "C" struct glx_context *
indirect_create_context(struct glx_screen * psc,struct glx_config * mode,struct glx_context * shareList,int renderType)54 indirect_create_context(struct glx_screen *psc, struct glx_config *mode,
55 struct glx_context *shareList, int renderType)
56 {
57 (void) shareList;
58 (void) renderType;
59
60 return new fake_glx_context(psc, mode);
61 }
62
63 extern "C" struct glx_context *
indirect_create_context_attribs(struct glx_screen * base,struct glx_config * config_base,struct glx_context * shareList,unsigned num_attribs,const uint32_t * attribs,unsigned * error)64 indirect_create_context_attribs(struct glx_screen *base,
65 struct glx_config *config_base,
66 struct glx_context *shareList,
67 unsigned num_attribs,
68 const uint32_t *attribs,
69 unsigned *error)
70 {
71 (void) num_attribs;
72 (void) attribs;
73 (void) error;
74
75 return indirect_create_context(base, config_base, shareList, 0);
76 }
77
78 /* This is necessary so that we don't have to link with glxcurrent.c
79 * which would require us to link with X libraries and what not.
80 */
81 GLubyte dummyBuffer[__GLX_BUFFER_LIMIT_SIZE];
82 struct glx_context_vtable dummyVtable;
83 struct glx_context dummyContext = {
84 &dummyBuffer[0],
85 &dummyBuffer[0],
86 &dummyBuffer[0],
87 &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
88 sizeof(dummyBuffer),
89 &dummyVtable
90 };
91 __thread void *__glX_tls_Context = &dummyContext;
92
93 #if !defined(GLX_USE_TLS)
94 extern "C" struct glx_context *
__glXGetCurrentContext()95 __glXGetCurrentContext()
96 {
97 return (struct glx_context *) __glX_tls_Context;
98 }
99 #endif
100