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 epoxy_api.c |
26 | * |
27 | * Tests the Epoxy API using EGL. |
28 | */ |
29 | |
30 | #ifdef __sun |
31 | #define __EXTENSIONS__ |
32 | #else |
33 | #define _GNU_SOURCE |
34 | #endif |
35 | #include <stdio.h> |
36 | #include <string.h> |
37 | #include <stdlib.h> |
38 | #include <assert.h> |
39 | #include <err.h> |
40 | #include "epoxy/gl.h" |
41 | #include "epoxy/egl.h" |
42 | |
43 | #include "egl_common.h" |
44 | |
45 | static bool |
46 | make_egl_current_and_test(EGLDisplay *dpy, EGLContext ctx) |
47 | { |
48 | const char *string; |
49 | GLuint shader; |
50 | bool pass = true; |
51 | |
52 | eglMakeCurrent(dpy, NULL, NULL, ctx); |
53 | |
54 | if (!epoxy_is_desktop_gl()) { |
55 | fputs(s: "Claimed to be desktop\n" , stderr); |
56 | pass = false; |
57 | } |
58 | |
59 | if (epoxy_gl_version() < 20) { |
60 | fprintf(stderr, format: "Claimed to be GL version %d\n" , |
61 | epoxy_gl_version()); |
62 | pass = false; |
63 | } |
64 | |
65 | if (epoxy_glsl_version() < 100) { |
66 | fprintf(stderr, format: "Claimed to have GLSL version %d\n" , |
67 | epoxy_glsl_version()); |
68 | pass = false; |
69 | } |
70 | |
71 | string = (const char *)glGetString(GL_VERSION); |
72 | printf(format: "GL version: %s - Epoxy: %d\n" , string, epoxy_gl_version()); |
73 | |
74 | string = (const char *)glGetString(GL_SHADING_LANGUAGE_VERSION); |
75 | printf(format: "GLSL version: %s - Epoxy: %d\n" , string, epoxy_glsl_version()); |
76 | |
77 | shader = glCreateShader(GL_FRAGMENT_SHADER); |
78 | pass = glIsShader(shader); |
79 | |
80 | return pass; |
81 | } |
82 | |
83 | static void |
84 | init_egl(EGLDisplay *dpy, EGLContext *out_ctx) |
85 | { |
86 | static const EGLint config_attribs[] = { |
87 | EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
88 | EGL_RED_SIZE, 1, |
89 | EGL_GREEN_SIZE, 1, |
90 | EGL_BLUE_SIZE, 1, |
91 | EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, |
92 | EGL_NONE |
93 | }; |
94 | static const EGLint context_attribs[] = { |
95 | EGL_CONTEXT_CLIENT_VERSION, 2, |
96 | EGL_NONE |
97 | }; |
98 | EGLContext ctx; |
99 | EGLConfig cfg; |
100 | EGLint count; |
101 | |
102 | if (!epoxy_has_egl_extension(dpy, extension: "EGL_KHR_surfaceless_context" )) |
103 | errx(status: 77, format: "Test requires EGL_KHR_surfaceless_context" ); |
104 | |
105 | if (!eglBindAPI(EGL_OPENGL_API)) |
106 | errx(status: 77, format: "Couldn't initialize EGL with desktop GL\n" ); |
107 | |
108 | if (!eglChooseConfig(dpy, config_attribs, &cfg, 1, &count)) |
109 | errx(status: 77, format: "Couldn't get an EGLConfig\n" ); |
110 | |
111 | ctx = eglCreateContext(dpy, cfg, NULL, context_attribs); |
112 | if (!ctx) |
113 | errx(status: 77, format: "Couldn't create a GL context\n" ); |
114 | |
115 | *out_ctx = ctx; |
116 | } |
117 | |
118 | int |
119 | main(int argc, char **argv) |
120 | { |
121 | bool pass = true; |
122 | |
123 | EGLContext egl_ctx; |
124 | EGLDisplay *dpy = get_egl_display_or_skip(); |
125 | const char *extensions = eglQueryString(dpy, EGL_EXTENSIONS); |
126 | char *first_space; |
127 | char *an_extension; |
128 | |
129 | /* We don't have any extensions guaranteed by the ABI, so for the |
130 | * touch test we just check if the first one is reported to be there. |
131 | */ |
132 | first_space = strstr(haystack: extensions, needle: " " ); |
133 | if (first_space) { |
134 | an_extension = strndup(string: extensions, n: first_space - extensions); |
135 | } else { |
136 | an_extension = strdup(s: extensions); |
137 | } |
138 | |
139 | if (!epoxy_extension_in_string(extension_list: extensions, ext: an_extension)) |
140 | errx(status: 1, format: "Implementation reported absence of %s" , an_extension); |
141 | |
142 | free(ptr: an_extension); |
143 | |
144 | init_egl(dpy, out_ctx: &egl_ctx); |
145 | pass = make_egl_current_and_test(dpy, ctx: egl_ctx); |
146 | |
147 | return pass != true; |
148 | } |
149 | |