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#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 "ttytools.h"
/* ------------------------------------------------------------------ */
static void egl_print_info(void)
{
printf("version: %s\n", glGetString(GL_VERSION));
printf("vendor: %s\n", glGetString(GL_VENDOR));
printf("renderer: %s\n", glGetString(GL_RENDERER));
}
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 print this\n"
" -a autotest mode\n"
" -c <nr> pick card\n"
" -s <secs> set sleep time (default: 60)\n"
" -i print device info\n"
"\n");
}
int main(int argc, char **argv)
{
int card = 0;
int secs = 60;
char *output = NULL;
char *modename = NULL;
bool printinfo = false;
bool autotest = false;
char buf[32];
int c;
for (;;) {
c = getopt(argc, argv, "haic:s:");
if (c == -1)
break;
switch (c) {
case 'c':
card = atoi(optarg);
break;
case 's':
secs = atoi(optarg);
break;
case 'i':
printinfo = true;
break;
case 'a':
autotest = true;
break;
case 'h':
usage(stdout);
exit(0);
default:
usage(stderr);
exit(1);
}
}
drm_init_dev(card, output, modename, false);
drm_setup_egl();
if (printinfo) {
egl_print_info();
goto done;
}
egl_draw();
drm_egl_flush_display();
if (autotest)
fprintf(stdout, "---ok---\n");
tty_raw();
kbd_wait(secs);
read(0, buf, sizeof(buf));
tty_restore();
done:
drm_fini_dev();
return 0;
}
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