1 | /* |
2 | * Copyright © 2018 Broadcom |
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 <assert.h> |
26 | #include "epoxy/gl.h" |
27 | |
28 | GLenum mock_enum; |
29 | const char *mock_gl_version; |
30 | const char *mock_glsl_version; |
31 | |
32 | static const GLubyte * EPOXY_CALLSPEC override_glGetString(GLenum name) |
33 | { |
34 | switch (name) { |
35 | case GL_VERSION: |
36 | return (GLubyte *)mock_gl_version; |
37 | case GL_SHADING_LANGUAGE_VERSION: |
38 | return (GLubyte *)mock_glsl_version; |
39 | default: |
40 | assert(!"unexpected glGetString() enum" ); |
41 | return 0; |
42 | } |
43 | } |
44 | |
45 | static bool |
46 | test_version(const char *gl_string, int gl_version, |
47 | const char *glsl_string, int glsl_version) |
48 | { |
49 | int epoxy_version; |
50 | |
51 | mock_gl_version = gl_string; |
52 | mock_glsl_version = glsl_string; |
53 | |
54 | epoxy_version = epoxy_gl_version(); |
55 | if (epoxy_version != gl_version) { |
56 | fprintf(stderr, |
57 | format: "glGetString(GL_VERSION) = \"%s\" returned epoxy_gl_version() " |
58 | "%d instead of %d\n" , gl_string, epoxy_version, gl_version); |
59 | return false; |
60 | } |
61 | |
62 | |
63 | epoxy_version = epoxy_glsl_version(); |
64 | if (epoxy_version != glsl_version) { |
65 | fprintf(stderr, |
66 | format: "glGetString() = \"%s\" returned epoxy_glsl_version() " |
67 | "%d instead of %d\n" , glsl_string, epoxy_version, glsl_version); |
68 | return false; |
69 | } |
70 | |
71 | return true; |
72 | } |
73 | |
74 | int |
75 | main(int argc, char **argv) |
76 | { |
77 | bool pass = true; |
78 | |
79 | epoxy_glGetString = override_glGetString; |
80 | |
81 | pass = pass && test_version(gl_string: "3.0 Mesa 13.0.6" , gl_version: 30, |
82 | glsl_string: "1.30" , glsl_version: 130); |
83 | pass = pass && test_version(gl_string: "OpenGL ES 2.0 Mesa 20.1.0-devel (git-4bb19a330e)" , gl_version: 20, |
84 | glsl_string: "OpenGL ES GLSL ES 1.0.16" , glsl_version: 100); |
85 | pass = pass && test_version(gl_string: "OpenGL ES 3.2 Mesa 18.3.0-devel" , gl_version: 32, |
86 | glsl_string: "OpenGL ES GLSL ES 3.20" , glsl_version: 320); |
87 | pass = pass && test_version(gl_string: "4.5.0 NVIDIA 384.130" , gl_version: 45, |
88 | glsl_string: "4.50" , glsl_version: 450); |
89 | |
90 | return pass != true; |
91 | } |
92 | |