1 files changed, 59 insertions, 0 deletions
diff --git a/tests/fbtestpat.cpp b/tests/fbtestpat.cpp
new file mode 100644
index 0000000..9607757
--- /dev/null
+++ b/tests/fbtestpat.cpp
@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+
+#include <linux/fb.h>
+
+#include "test.h"
+#include "mappedbuffer.h"
+
+using namespace kms;
+
+int main(int argc, char** argv)
+{
+	const char* fbdev = "/dev/fb0";
+	int r;
+
+	int fd = open(fbdev, O_RDWR);
+	FAIL_IF(fd < 0, "open %s failed\n", fbdev);
+
+	struct fb_var_screeninfo var;
+
+	r = ioctl(fd, FBIOGET_VSCREENINFO, &var);
+	FAIL_IF(r, "FBIOGET_VSCREENINFO failed");
+
+	struct fb_fix_screeninfo fix;
+
+	r = ioctl(fd, FBIOGET_FSCREENINFO, &fix);
+	FAIL_IF(r, "FBIOGET_FSCREENINFO failed");
+
+	void* ptr = mmap(NULL,
+			 var.yres_virtual * fix.line_length,
+			 PROT_WRITE | PROT_READ,
+			 MAP_SHARED, fd, 0);
+
+	FAIL_IF(ptr == MAP_FAILED, "mmap failed");
+
+	MappedCPUBuffer buf(var.xres_virtual, var.yres_virtual, PixelFormat::XRGB8888);
+
+	printf("%s: res %dx%d, virtual %dx%d, line_len %d\n",
+	       fbdev,
+	       var.xres, var.yres,
+	       var.xres_virtual, var.yres_virtual,
+	       fix.line_length);
+
+	draw_test_pattern(buf);
+
+	memcpy(ptr, buf.map(0), buf.size(0));
+
+	close(fd);
+
+	return 0;
+}