1*706d0b42SXin Li /*
2*706d0b42SXin Li * Copyright © 2018 Broadcom
3*706d0b42SXin Li *
4*706d0b42SXin Li * Permission is hereby granted, free of charge, to any person obtaining a
5*706d0b42SXin Li * copy of this software and associated documentation files (the "Software"),
6*706d0b42SXin Li * to deal in the Software without restriction, including without limitation
7*706d0b42SXin Li * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*706d0b42SXin Li * and/or sell copies of the Software, and to permit persons to whom the
9*706d0b42SXin Li * Software is furnished to do so, subject to the following conditions:
10*706d0b42SXin Li *
11*706d0b42SXin Li * The above copyright notice and this permission notice (including the next
12*706d0b42SXin Li * paragraph) shall be included in all copies or substantial portions of the
13*706d0b42SXin Li * Software.
14*706d0b42SXin Li *
15*706d0b42SXin Li * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16*706d0b42SXin Li * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17*706d0b42SXin Li * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18*706d0b42SXin Li * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19*706d0b42SXin Li * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20*706d0b42SXin Li * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21*706d0b42SXin Li * IN THE SOFTWARE.
22*706d0b42SXin Li */
23*706d0b42SXin Li
24*706d0b42SXin Li #include <stdio.h>
25*706d0b42SXin Li #include <assert.h>
26*706d0b42SXin Li #include "epoxy/gl.h"
27*706d0b42SXin Li
28*706d0b42SXin Li GLenum mock_enum;
29*706d0b42SXin Li const char *mock_gl_version;
30*706d0b42SXin Li const char *mock_glsl_version;
31*706d0b42SXin Li
override_glGetString(GLenum name)32*706d0b42SXin Li static const GLubyte * EPOXY_CALLSPEC override_glGetString(GLenum name)
33*706d0b42SXin Li {
34*706d0b42SXin Li switch (name) {
35*706d0b42SXin Li case GL_VERSION:
36*706d0b42SXin Li return (GLubyte *)mock_gl_version;
37*706d0b42SXin Li case GL_SHADING_LANGUAGE_VERSION:
38*706d0b42SXin Li return (GLubyte *)mock_glsl_version;
39*706d0b42SXin Li default:
40*706d0b42SXin Li assert(!"unexpected glGetString() enum");
41*706d0b42SXin Li return 0;
42*706d0b42SXin Li }
43*706d0b42SXin Li }
44*706d0b42SXin Li
45*706d0b42SXin Li static bool
test_version(const char * gl_string,int gl_version,const char * glsl_string,int glsl_version)46*706d0b42SXin Li test_version(const char *gl_string, int gl_version,
47*706d0b42SXin Li const char *glsl_string, int glsl_version)
48*706d0b42SXin Li {
49*706d0b42SXin Li int epoxy_version;
50*706d0b42SXin Li
51*706d0b42SXin Li mock_gl_version = gl_string;
52*706d0b42SXin Li mock_glsl_version = glsl_string;
53*706d0b42SXin Li
54*706d0b42SXin Li epoxy_version = epoxy_gl_version();
55*706d0b42SXin Li if (epoxy_version != gl_version) {
56*706d0b42SXin Li fprintf(stderr,
57*706d0b42SXin Li "glGetString(GL_VERSION) = \"%s\" returned epoxy_gl_version() "
58*706d0b42SXin Li "%d instead of %d\n", gl_string, epoxy_version, gl_version);
59*706d0b42SXin Li return false;
60*706d0b42SXin Li }
61*706d0b42SXin Li
62*706d0b42SXin Li
63*706d0b42SXin Li epoxy_version = epoxy_glsl_version();
64*706d0b42SXin Li if (epoxy_version != glsl_version) {
65*706d0b42SXin Li fprintf(stderr,
66*706d0b42SXin Li "glGetString() = \"%s\" returned epoxy_glsl_version() "
67*706d0b42SXin Li "%d instead of %d\n", glsl_string, epoxy_version, glsl_version);
68*706d0b42SXin Li return false;
69*706d0b42SXin Li }
70*706d0b42SXin Li
71*706d0b42SXin Li return true;
72*706d0b42SXin Li }
73*706d0b42SXin Li
74*706d0b42SXin Li int
main(int argc,char ** argv)75*706d0b42SXin Li main(int argc, char **argv)
76*706d0b42SXin Li {
77*706d0b42SXin Li bool pass = true;
78*706d0b42SXin Li
79*706d0b42SXin Li epoxy_glGetString = override_glGetString;
80*706d0b42SXin Li
81*706d0b42SXin Li pass = pass && test_version("3.0 Mesa 13.0.6", 30,
82*706d0b42SXin Li "1.30", 130);
83*706d0b42SXin Li pass = pass && test_version("OpenGL ES 2.0 Mesa 20.1.0-devel (git-4bb19a330e)", 20,
84*706d0b42SXin Li "OpenGL ES GLSL ES 1.0.16", 100);
85*706d0b42SXin Li pass = pass && test_version("OpenGL ES 3.2 Mesa 18.3.0-devel", 32,
86*706d0b42SXin Li "OpenGL ES GLSL ES 3.20", 320);
87*706d0b42SXin Li pass = pass && test_version("4.5.0 NVIDIA 384.130", 45,
88*706d0b42SXin Li "4.50", 450);
89*706d0b42SXin Li
90*706d0b42SXin Li return pass != true;
91*706d0b42SXin Li }
92