1/*
2 * Copyright © 2013 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 DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <assert.h>
27#include <err.h>
28#include "epoxy/gl.h"
29#include "epoxy/glx.h"
30#include <X11/Xlib.h>
31
32#include "glx_common.h"
33
34static Display *dpy;
35
36static bool
37test_has_extensions(void)
38{
39 int num_extensions;
40
41 glGetIntegerv(GL_NUM_EXTENSIONS, &num_extensions);
42
43 for (int i = 0; i < num_extensions; i++) {
44 char *ext = (char *)glGetStringi(GL_EXTENSIONS, i);
45
46 if (!epoxy_has_gl_extension(extension: ext)) {
47 fprintf(stderr, format: "GL implementation reported support for %s, "
48 "but epoxy didn't\n", ext);
49 return false;
50 }
51 }
52
53 if (epoxy_has_gl_extension(extension: "GL_ARB_ham_sandwich")) {
54 fputs(s: "epoxy implementation reported support for "
55 "GL_ARB_ham_sandwich, but it shouldn't\n",
56 stderr);
57 return false;
58 }
59
60 return true;
61}
62
63static bool
64test_gl_version(void)
65{
66 int gl_version, epoxy_version;
67 int major, minor;
68
69 glGetIntegerv(GL_MAJOR_VERSION, &major);
70 glGetIntegerv(GL_MINOR_VERSION, &minor);
71 gl_version = major * 10 + minor;
72
73 if (gl_version < 32) {
74 fprintf(stderr,
75 format: "Implementation reported GL version %d, should be at least 32\n",
76 gl_version);
77 return false;
78 }
79
80 epoxy_version = epoxy_gl_version();
81 if (epoxy_version != gl_version) {
82 fprintf(stderr,
83 format: "Epoxy reported GL version %d, should be %d\n",
84 epoxy_version, gl_version);
85 return false;
86 }
87
88 return true;
89}
90
91static bool
92test_glx_version(void)
93{
94 int version = epoxy_glx_version(dpy, screen: 0);
95 const char *version_string;
96 int ret;
97 int server_major, server_minor;
98 int client_major, client_minor;
99 int server, client, expected;
100
101 if (version < 13) {
102 fprintf(stderr,
103 format: "Reported GLX version %d, should be at least 13 "
104 "according to Linux GL ABI\n",
105 version);
106 return false;
107 }
108
109 version_string = glXQueryServerString(dpy, 0, GLX_VERSION);
110 ret = sscanf(s: version_string, format: "%d.%d", &server_major, &server_minor);
111 assert(ret == 2);
112 server = server_major * 10 + server_minor;
113
114 version_string = glXGetClientString(dpy, GLX_VERSION);
115 ret = sscanf(s: version_string, format: "%d.%d", &client_major, &client_minor);
116 assert(ret == 2);
117 client = client_major * 10 + client_minor;
118
119 if (client < server)
120 expected = client;
121 else
122 expected = server;
123
124 if (version != expected) {
125 fprintf(stderr,
126 format: "Reported GLX version %d, should be %d (%s)\n",
127 version, expected, version_string);
128 return false;
129 }
130
131 return true;
132}
133
134static int
135error_handler(Display *d, XErrorEvent *ev)
136{
137 return 0;
138}
139
140int
141main(int argc, char **argv)
142{
143 bool pass = true;
144 XVisualInfo *visinfo;
145 Window win;
146 GLXFBConfig config;
147 static const int attribs[] = {
148 GLX_CONTEXT_PROFILE_MASK_ARB,
149 GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
150 GLX_CONTEXT_MAJOR_VERSION_ARB,
151 3,
152 GLX_CONTEXT_MINOR_VERSION_ARB,
153 2,
154 None
155 };
156 GLXContext ctx;
157 int (*old_handler)(Display *, XErrorEvent *);
158
159 dpy = get_display_or_skip();
160
161 if (!epoxy_has_glx_extension(dpy, screen: 0, extension: "GLX_ARB_create_context_profile"))
162 errx(status: 77, format: "Test requires GLX_ARB_create_context_profile");
163
164 visinfo = get_glx_visual(dpy);
165 win = get_glx_window(dpy, visinfo, false);
166 config = get_fbconfig_for_visinfo(dpy, visinfo);
167
168 old_handler = XSetErrorHandler(error_handler);
169 ctx = glXCreateContextAttribsARB(dpy, config, NULL, True, attribs);
170 if (ctx == None)
171 errx(status: 77, format: "glXCreateContext failed");
172 XSetErrorHandler(old_handler);
173
174 glXMakeCurrent(dpy, win, ctx);
175
176 pass = test_gl_version() && pass;
177 pass = test_glx_version() && pass;
178 pass = test_has_extensions() && pass;
179
180 return pass != true;
181}
182

source code of gtk/subprojects/libepoxy/test/glx_public_api_core.c