1 | /* |
2 | * Copyright © 2014 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 | /** |
25 | * @file egl_gl.c |
26 | * |
27 | * Tests that epoxy works with EGL using desktop OpenGL. |
28 | */ |
29 | |
30 | #define _GNU_SOURCE |
31 | |
32 | #include <stdio.h> |
33 | #include <string.h> |
34 | #include <stdlib.h> |
35 | #include <assert.h> |
36 | #include <err.h> |
37 | #include <dlfcn.h> |
38 | #include "epoxy/gl.h" |
39 | #include "epoxy/egl.h" |
40 | #include "epoxy/glx.h" |
41 | |
42 | #include "egl_common.h" |
43 | #include "glx_common.h" |
44 | #include "dlwrap.h" |
45 | |
46 | static bool |
47 | make_egl_current_and_test(EGLDisplay *dpy, EGLContext ctx) |
48 | { |
49 | const char *string; |
50 | GLuint shader; |
51 | bool pass = true; |
52 | |
53 | eglMakeCurrent(dpy, NULL, NULL, ctx); |
54 | |
55 | if (!epoxy_is_desktop_gl()) { |
56 | fputs(s: "Claimed to be desktop\n" , stderr); |
57 | pass = false; |
58 | } |
59 | |
60 | if (epoxy_gl_version() < 20) { |
61 | fprintf(stderr, format: "Claimed to be GL version %d\n" , |
62 | epoxy_gl_version()); |
63 | pass = false; |
64 | } |
65 | |
66 | string = (const char *)glGetString(GL_VERSION); |
67 | printf(format: "GL version: %s\n" , string); |
68 | |
69 | shader = glCreateShader(GL_FRAGMENT_SHADER); |
70 | pass = glIsShader(shader); |
71 | |
72 | return pass; |
73 | } |
74 | |
75 | static void |
76 | init_egl(EGLDisplay **out_dpy, EGLContext *out_ctx) |
77 | { |
78 | EGLDisplay *dpy = get_egl_display_or_skip(); |
79 | static const EGLint config_attribs[] = { |
80 | EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
81 | EGL_RED_SIZE, 1, |
82 | EGL_GREEN_SIZE, 1, |
83 | EGL_BLUE_SIZE, 1, |
84 | EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, |
85 | EGL_NONE |
86 | }; |
87 | static const EGLint context_attribs[] = { |
88 | EGL_CONTEXT_CLIENT_VERSION, 2, |
89 | EGL_NONE |
90 | }; |
91 | EGLContext ctx; |
92 | EGLConfig cfg; |
93 | EGLint count; |
94 | |
95 | if (!epoxy_has_egl_extension(dpy, extension: "EGL_KHR_surfaceless_context" )) |
96 | errx(status: 77, format: "Test requires EGL_KHR_surfaceless_context" ); |
97 | |
98 | if (!eglBindAPI(EGL_OPENGL_API)) |
99 | errx(status: 77, format: "Couldn't initialize EGL with desktop GL\n" ); |
100 | |
101 | if (!eglChooseConfig(dpy, config_attribs, &cfg, 1, &count)) |
102 | errx(status: 77, format: "Couldn't get an EGLConfig\n" ); |
103 | |
104 | ctx = eglCreateContext(dpy, cfg, NULL, context_attribs); |
105 | if (!ctx) |
106 | errx(status: 77, format: "Couldn't create a GL context\n" ); |
107 | |
108 | *out_dpy = dpy; |
109 | *out_ctx = ctx; |
110 | } |
111 | |
112 | int |
113 | main(int argc, char **argv) |
114 | { |
115 | bool pass = true; |
116 | EGLDisplay *egl_dpy; |
117 | EGLContext egl_ctx; |
118 | |
119 | /* Force epoxy to have loaded both EGL and GLX libs already -- we |
120 | * can't assume anything about symbol resolution based on having |
121 | * EGL or GLX loaded. |
122 | */ |
123 | (void)glXGetCurrentContext(); |
124 | (void)eglGetCurrentContext(); |
125 | |
126 | init_egl(out_dpy: &egl_dpy, out_ctx: &egl_ctx); |
127 | pass = make_egl_current_and_test(dpy: egl_dpy, ctx: egl_ctx) && pass; |
128 | |
129 | return pass != true; |
130 | } |
131 | |