diff options
Diffstat (limited to 'tests/modefb')
| -rw-r--r-- | tests/modefb/Makefile | 14 | ||||
| -rw-r--r-- | tests/modefb/demo.c | 150 | ||||
| -rwxr-xr-x | tests/modefb/test | 1 |
3 files changed, 165 insertions, 0 deletions
diff --git a/tests/modefb/Makefile b/tests/modefb/Makefile new file mode 100644 index 00000000..84c6c86a --- /dev/null +++ b/tests/modefb/Makefile @@ -0,0 +1,14 @@ + +all: app + +#CFLAGS = -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \ +# -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \ + +app: demo.c + @gcc $(CFLAGS) -o app -Wall demo.c + +clean: + @rm -f app + +run: app + sudo ./test diff --git a/tests/modefb/demo.c b/tests/modefb/demo.c new file mode 100644 index 00000000..0dbf01c7 --- /dev/null +++ b/tests/modefb/demo.c @@ -0,0 +1,150 @@ +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <fcntl.h> +#include <string.h> +#include "linux/fb.h" +#include "sys/ioctl.h" + + +void setMode(struct fb_var_screeninfo *var); +void pan(int fd, struct fb_var_screeninfo *var, int x, int y); +void cursor(int fd); + +int main(int argc, char **argv) +{ + struct fb_var_screeninfo var; + struct fb_fix_screeninfo fix; + const char* name = "/dev/fb0"; + + int fd = open(name, O_RDONLY); + + if (fd == -1) { + printf("open %s : %s\n", name, strerror(errno)); + return 1; + } + + memset(&var, 0, sizeof(struct fb_var_screeninfo)); + memset(&fix, 0, sizeof(struct fb_fix_screeninfo)); + + if (ioctl(fd, FBIOGET_VSCREENINFO, &var)) + printf("var %s\n", strerror(errno)); + if (ioctl(fd, FBIOGET_FSCREENINFO, &fix)) + printf("fix %s\n", strerror(errno)); + + setMode(&var); + printf("pan: 0, 0\n"); + pan(fd, &var, 0, 0); + sleep(2); + printf("pan: 100, 0\n"); + pan(fd, &var, 100, 0); + sleep(2); + printf("pan: 0, 100\n"); + pan(fd, &var, 0, 100); + sleep(2); + printf("pan: 100, 100\n"); + pan(fd, &var, 100, 100); + sleep(2); + printf("pan: 0, 0\n"); + pan(fd, &var, 0, 0); + sleep(2); + + printf("cursor\n"); + cursor(fd); + return 0; +} + +void pan(int fd, struct fb_var_screeninfo *var, int x, int y) +{ + var->xoffset = x; + var->yoffset = y; + + var->activate = FB_ACTIVATE_NOW; + + if (ioctl(fd, FBIOPUT_VSCREENINFO, var)) + printf("pan error: %s\n", strerror(errno)); +} + +/* + * Currently isn't supported in the driver + */ +void cursor(int fd) +{ + struct fb_cursor cur; + void *data = malloc(64 * 64 * 4); + memset(&cur, 0, sizeof(cur)); + + cur.set = FB_CUR_SETIMAGE | FB_CUR_SETPOS | FB_CUR_SETSIZE; + cur.enable = 1; + cur.image.dx = 1; + cur.image.dy = 1; + cur.image.width = 2; + cur.image.height = 2; + cur.image.depth = 32; + cur.image.data = data; + + if (ioctl(fd, FBIO_CURSOR, &cur)) + printf("cursor error: %s\n", strerror(errno)); + + sleep(2); + + memset(&cur, 0, sizeof(cur)); + cur.set = FB_CUR_SETPOS; + cur.enable = 0; + cur.image.dx = 100; + cur.image.dy = 100; + + if (ioctl(fd, FBIO_CURSOR, &cur)) + printf("cursor error: %s\n", strerror(errno)); + + free(data); +} + +struct drm_mode +{ + int clock; + int hdisplay; + int hsync_start; + int hsync_end; + int htotal; + int hskew; + int vdisplay; + int vsync_start; + int vsync_end; + int vtotal; + int vscan; + int vrefresh; + int flags; +}; + +struct drm_mode mode = +{ + .clock = 25200, + .hdisplay = 640, + .hsync_start = 656, + .hsync_end = 752, + .htotal = 800, + .hskew = 0, + .vdisplay = 480, + .vsync_start = 490, + .vsync_end = 492, + .vtotal = 525, + .vscan = 0, + .vrefresh = 60000, /* vertical refresh * 1000 */ + .flags = 10, +}; + +void setMode(struct fb_var_screeninfo *var) { + var->activate = FB_ACTIVATE_NOW; + var->xres = mode.hdisplay; + var->right_margin = mode.hsync_start - mode.hdisplay; + var->hsync_len = mode.hsync_end - mode.hsync_start; + var->left_margin = mode.htotal - mode.hsync_end; + var->yres = mode.vdisplay; + var->lower_margin = mode.vsync_start - mode.vdisplay; + var->vsync_len = mode.vsync_end - mode.vsync_start; + var->upper_margin = mode.vtotal - mode.vsync_end; + var->pixclock = 10000000 / mode.htotal * 1000 / mode.vtotal * 100; + /* avoid overflow */ + var->pixclock = var->pixclock * 1000 / mode.vrefresh; +} diff --git a/tests/modefb/test b/tests/modefb/test new file mode 100755 index 00000000..f98e3708 --- /dev/null +++ b/tests/modefb/test @@ -0,0 +1 @@ +LD_PRELOAD=../../libdrm/.libs/libdrm.so ./app |