Jerry/kmsvnc
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automatically determine card name

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This commit is contained in:
JerryXiao 2024-02-29 10:29:41 +08:00
parent 0bcb73c48d
commit 516ecb4121
Signed by: Jerry
GPG key ID: 22618F758B5BE2E5
1 changed files with 18 additions and 2 deletions
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20
kmsvnc.c
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@ -6,6 +6,7 @@
#include <stdlib.h>
#include <signal.h>
#include <time.h>
#include <unistd.h>
#include <argp.h>
#include <arpa/inet.h>
@ -222,7 +223,7 @@ void signal_handler(int signum){
}
static struct argp_option kmsvnc_main_options[] = {
{"device", 'd', "/dev/dri/card0", 0, "DRM device"},
{"device", 'd', "/dev/dri/cardX", 0, "DRM device"},
{"source-plane", 0xfefc, "0", 0, "Use specific plane"},
{"source-crtc", 0xfefd, "0", 0, "Use specific crtc (to list all crtcs and planes, set this to -1)"},
{"force-driver", 0xfefe, "i915", 0, "force a certain driver (for debugging)"},
@ -398,7 +399,10 @@ int main(int argc, char **argv)
kmsvnc->vnc_opt = vncopt;
kmsvnc->card = "/dev/dri/card0";
#define DEVICE_EXAMPLE_MAX_SIZE 15
#define DEVICE_EXAMPLE_FALLBACK "/dev/dri/card0"
static char device_example[DEVICE_EXAMPLE_MAX_SIZE] = DEVICE_EXAMPLE_FALLBACK;
kmsvnc->card = device_example;
kmsvnc->va_derive_enabled = -1;
kmsvnc->vnc_opt->bind = &(struct in_addr){0};
kmsvnc->vnc_opt->always_shared = 1;
@ -412,6 +416,18 @@ int main(int argc, char **argv)
struct argp argp = {kmsvnc_main_options, parse_opt, args_doc, doc};
argp_parse(&argp, argc, argv, 0, 0, NULL);
if (kmsvnc->card == device_example) {
for (int i = 0; i < 10; i++) {
snprintf(kmsvnc->card, DEVICE_EXAMPLE_MAX_SIZE, "/dev/dri/card%d", i);
if (!access(kmsvnc->card, F_OK)) {
break;
}
else {
snprintf(kmsvnc->card, DEVICE_EXAMPLE_MAX_SIZE, DEVICE_EXAMPLE_FALLBACK);
}
}
}
if (!kmsvnc->disable_input) {
const char* XKB_DEFAULT_LAYOUT = getenv("XKB_DEFAULT_LAYOUT");
if (!XKB_DEFAULT_LAYOUT || strcmp(XKB_DEFAULT_LAYOUT, "") == 0) {