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
37int
38main (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