add egltest

1 files changed, 117 insertions, 0 deletions

diff --git a/egltest.c b/egltest.c
new file mode 100644
index 0000000..fdafa14
--- /dev/null
+++ b/egltest.c
@@ -0,0 +1,117 @@
+#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)
+{
+    /* green background */
+    glClearColor(0.0, 0.6, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+    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;
+}