aboutsummaryrefslogtreecommitdiffstats
path: root/egltest.c
blob: 2a13dc2efff799c18a0085c4563b88f4e8772b6e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <inttypes.h>
#include <getopt.h>
#include <assert.h>

#include <gbm.h>
#include <epoxy/gl.h>
#include <epoxy/egl.h>

#include <xf86drm.h>
#include <xf86drmMode.h>

#include <cairo.h>
#include <pixman.h>

#include "drmtools.h"
#include "drm-lease.h"
#include "logind.h"
#include "ttytools.h"

/* ------------------------------------------------------------------ */

static void egl_print_info(void)
{
    printf("opengl version:  %s\n", glGetString(GL_VERSION));
    printf("shader version:  %s\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
    printf("vendor:          %s\n", glGetString(GL_VENDOR));
    printf("renderer:        %s\n", glGetString(GL_RENDERER));
}

static void egl_print_ext(void)
{
    char *ext = strdup((char*)glGetString(GL_EXTENSIONS));
    int i, len = strlen(ext);

    for (i = 0; i < len; i++)
        if (ext[i] == ' ')
            ext[i] = '\n';
    printf("%s", ext);
    free(ext);
}

static void egl_draw(void)
{
    /* dark gray background */
    glClearColor(0.2, 0.2, 0.2, 1.0);
    glClear(GL_COLOR_BUFFER_BIT);

    /* draw rectangle */
    glBegin(GL_TRIANGLES);
    glColor3f(0.0, 0.0, 1.0);  /* blue */
    glVertex2f(-0.9, -0.9);
    glColor3f(0.0, 1.0, 0.0);  /* green */
    glVertex2f(0.9, 0.9);
    glColor3f(1.0, 0.0, 0.0);  /* red */
    glVertex2f(0.9, -0.9);
    glEnd();

    /* done */
    glFlush();
}

/* ------------------------------------------------------------------ */

static void usage(FILE *fp)
{
    fprintf(fp,
            "\n"
            "usage: egltest [ options ]\n"
            "\n"
            "options:\n"
            "  -h | --help            print this\n"
            "  -a | --autotest        autotest mode\n"
            "  -i | --info            print device info\n"
            "  -x | --exts            print extensions\n"
            "  -c | --card  <nr>      pick card\n"
            "  -s | --sleep <secs>    set sleep time (default: 60)\n"
            "       --lease <output>  get a drm lease for output\n"
            "\n");
}

enum {
    OPT_LONG_LEASE,
};

struct option long_opts[] = {
    {
        /* --- no argument --- */
        .name    = "help",
        .has_arg = false,
        .val     = 'h',
    },{
        .name    = "autotest",
        .has_arg = false,
        .val     = 'a',
    },{
        .name    = "info",
        .has_arg = false,
        .val     = 'i',
    },{
        .name    = "exts",
        .has_arg = false,
        .val     = 'x',
    },{

        /* --- with argument --- */
        .name    = "card",
        .has_arg = true,
        .val     = 'c',
    },{
        .name    = "sleep",
        .has_arg = true,
        .val     = 's',
    },{
        .name    = "lease",
        .has_arg = true,
        .val     = OPT_LONG_LEASE,
    },{
        /* end of list */
    }
};

int main(int argc, char **argv)
{
    int card = 0;
    int secs = 60;
    int lease_fd = -1;
    char *output = NULL;
    char *modename = NULL;
    bool printinfo = false;
    bool printext = false;
    bool autotest = false;
    int c;

    for (;;) {
        c = getopt_long(argc, argv, "haixc:s:", long_opts, NULL);
        if (c == -1)
            break;
        switch (c) {
        case 'c':
            card = atoi(optarg);
            break;
        case 's':
            secs = atoi(optarg);
            break;
        case 'i':
            printinfo = true;
            break;
        case 'x':
            printext = true;
            break;
        case 'a':
            autotest = true;
            break;
        case 'L':
            lease_fd = drm_lease(optarg);
            break;
        case 'h':
            usage(stdout);
            exit(0);
        default:
            usage(stderr);
            exit(1);
        }
    }

    logind_init();
    drm_init_dev(card, output, modename, false, lease_fd);
    drm_setup_egl();

    if (printinfo)
        egl_print_info();
    if (printext)
        egl_print_ext();
    if (printinfo || printext)
        goto done;

    egl_draw();
    drm_egl_flush_display();

    if (autotest)
        fprintf(stdout, "---ok---\n");

    tty_raw();
    kbd_wait(secs);
    kbd_read();
    tty_restore();

done:
    drm_fini_dev();
    logind_fini();
    return 0;
}