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splash-log: handle display mode change

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This commit is contained in:
K. Lange 2021-07-19 19:43:57 +09:00
parent 670978932c
commit a100df9679
1 changed files with 11 additions and 5 deletions
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16
apps/splash-log.c
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@ -9,6 +9,7 @@
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
@ -114,6 +115,15 @@ static void vga_clear_screen(void) {
}
}
static void reinit_video(int signum) {
ioctl(framebuffer_fd, IO_VID_WIDTH, &width);
ioctl(framebuffer_fd, IO_VID_HEIGHT, &height);
ioctl(framebuffer_fd, IO_VID_DEPTH, &depth);
ioctl(framebuffer_fd, IO_VID_ADDR, &framebuffer);
ioctl(framebuffer_fd, IO_VID_SIGNAL, NULL);
signal(SIGWINEVENT, reinit_video);
}
static void check_framebuffer(void) {
framebuffer_fd = open("/dev/fb0", O_RDONLY);
if (framebuffer_fd >= 0) {
@ -125,11 +135,7 @@ static void check_framebuffer(void) {
update_message = vga_update_message;
clear_screen = vga_clear_screen;
}
ioctl(framebuffer_fd, IO_VID_WIDTH, &width);
ioctl(framebuffer_fd, IO_VID_HEIGHT, &height);
ioctl(framebuffer_fd, IO_VID_DEPTH, &depth);
ioctl(framebuffer_fd, IO_VID_ADDR, &framebuffer);
ioctl(framebuffer_fd, IO_VID_SIGNAL, NULL);
reinit_video(0);
}
static FILE * pex_endpoint = NULL;