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glx: fix error code when there is no context bound
[android-x86/external-mesa.git] / src / glx / tests / fake_glx_screen.cpp
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 *
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 *
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 *
95 __glXGetCurrentContext()
96 {
97  return (struct glx_context *) __glX_tls_Context;
98 }
99 #endif