From ce94df99dba97a671335d350d6bb617f068097cc Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 25 Feb 2019 09:00:49 +0100
Subject: fbinfo, pixman mode, misc

---
 fbinfo.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 fbinfo.c

(limited to 'fbinfo.c')

diff --git a/fbinfo.c b/fbinfo.c
new file mode 100644
index 0000000..a2b4fb3
--- /dev/null
+++ b/fbinfo.c
@@ -0,0 +1,65 @@
+#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 <sys/ioctl.h>
+#include <sys/mman.h>
+
+#include <cairo.h>
+
+#include "fbtools.h"
+
+/* ------------------------------------------------------------------ */
+
+static void usage(FILE *fp)
+{
+    fprintf(fp,
+            "\n"
+            "usage: fbtest [ options ]\n"
+            "\n"
+            "options:\n"
+            "  -h         print this\n"
+            "  -f <nr>    pick framebuffer\n"
+            "\n");
+}
+
+int main(int argc, char **argv)
+{
+    int framebuffer = 0;
+    int c;
+
+    for (;;) {
+        c = getopt(argc, argv, "hf:");
+        if (c == -1)
+            break;
+        switch (c) {
+        case 'f':
+            framebuffer = atoi(optarg);
+            break;
+        case 'h':
+            usage(stdout);
+            exit(0);
+        default:
+            usage(stderr);
+            exit(1);
+        }
+    }
+
+    fb_query(framebuffer);
+
+    fprintf(stderr, "fb%d: %s, %dx%d, %d bpp, r/g/b/a %d/%d/%d/%d\n",
+            framebuffer,
+            fb_fix.id,
+            fb_var.xres, fb_var.yres,
+            fb_var.bits_per_pixel,
+            fb_var.red.length,
+            fb_var.green.length,
+            fb_var.blue.length,
+            fb_var.transp.length);
+    return 0;
+}
-- 
cgit