diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-08-16 15:38:44 +0300 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-08-16 15:38:44 +0300 |
commit | 227830e15bc192f26c82a0cfe4a3ded358f0c074 (patch) | |
tree | 6257dab9b193e4f386e20389cecd4ea2461d96c7 /utils/fbtest.cpp | |
parent | a7797a1361e72860072d84139bed316975572517 (diff) |
rename testpat and fbtestpat
Diffstat (limited to 'utils/fbtest.cpp')
-rw-r--r-- | utils/fbtest.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/utils/fbtest.cpp b/utils/fbtest.cpp new file mode 100644 index 0000000..1c9a5f1 --- /dev/null +++ b/utils/fbtest.cpp @@ -0,0 +1,58 @@ +#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 <kms++util/kms++util.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"); + + uint8_t* ptr = (uint8_t*)mmap(NULL, + var.yres_virtual * fix.line_length, + PROT_WRITE | PROT_READ, + MAP_SHARED, fd, 0); + + FAIL_IF(ptr == MAP_FAILED, "mmap failed"); + + ExtCPUFramebuffer buf(var.xres, var.yres, PixelFormat::XRGB8888, + ptr, var.yres_virtual * fix.line_length, fix.line_length, 0); + + 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); + draw_text(buf, buf.width() / 2, 0, fbdev, RGB(255, 255, 255)); + + close(fd); + + return 0; +} |