1 /*
2 * Copyright 2018 Emmanuele Bassi
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 /**
25 * @file cgl_epoxy_api.c
26 *
27 * Tests the Epoxy API using the CoreGraphics OpenGL framework.
28 */
29
30 #include <epoxy/gl.h>
31 #include <Carbon/Carbon.h>
32 #include <OpenGL/OpenGL.h>
33 #include <OpenGL/CGLTypes.h>
34 #include <OpenGL/CGLCurrent.h>
35 #include <OpenGL/CGLContext.h>
36
37 int
main(void)38 main (void)
39 {
40 CGLPixelFormatAttribute attribs[] = {0};
41 CGLPixelFormatObj pix;
42 CGLContextObj ctx;
43 const char *string;
44 bool pass = true;
45 int npix;
46 GLint shader;
47
48 CGLChoosePixelFormat(attribs, &pix, &npix);
49 CGLCreateContext(pix, (void *) 0, &ctx);
50 CGLSetCurrentContext(ctx);
51
52 if (!epoxy_is_desktop_gl()) {
53 fputs("Claimed not to be desktop\n", stderr);
54 pass = false;
55 }
56
57 if (epoxy_gl_version() < 20) {
58 fprintf(stderr, "Claimed to be GL version %d\n",
59 epoxy_gl_version());
60 pass = false;
61 }
62
63 if (epoxy_glsl_version() < 100) {
64 fprintf(stderr, "Claimed to have GLSL version %d\n",
65 epoxy_glsl_version());
66 pass = false;
67 }
68
69 string = (const char *)glGetString(GL_VERSION);
70 printf("GL version: %s - Epoxy: %d\n", string, epoxy_gl_version());
71
72 string = (const char *)glGetString(GL_SHADING_LANGUAGE_VERSION);
73 printf("GLSL version: %s - Epoxy: %d\n", string, epoxy_glsl_version());
74
75 shader = glCreateShader(GL_FRAGMENT_SHADER);
76 pass = glIsShader(shader);
77
78 CGLSetCurrentContext(NULL);
79 CGLReleaseContext(ctx);
80 CGLReleasePixelFormat(pix);
81
82 return pass != true;
83 }
84