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Add option to toggle auto-reloading of shaders

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This commit is contained in:
Dimitri Lozeve 2021-03-05 18:52:54 +01:00
parent 01c26d207a
commit a1307a0b2f
1 changed files with 21 additions and 11 deletions
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32
src/main.c
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@ -25,14 +25,16 @@ static struct argp_option options[] = {
{"verbose", 'v', 0, 0, "Produce verbose output", 0},
{"silent", 's', 0, 0, "Don't produce any output", 0},
{"quiet", 'q', 0, OPTION_ALIAS, 0, 0},
{"auto-reload", 'r', 0, 0, "Automatically reload on save", 0},
{"buffer", 'b', "FILE", 0, "Source file of the buffer fragment shader", 0},
{0},
};
struct arguments {
char *shader_file;
int verbose;
int silent;
bool verbose;
bool silent;
bool autoreload;
char *buffer_file;
};
@ -47,6 +49,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
case 'q':
arguments->silent = true;
break;
case 'r':
arguments->autoreload = true;
break;
case 'b':
arguments->buffer_file = arg;
break;
@ -80,6 +85,7 @@ int main(int argc, char *argv[]) {
/* Default values */
arguments.verbose = false;
arguments.silent = false;
arguments.autoreload = false;
arguments.buffer_file = 0;
argp_parse(&argp_parser, argc, argv, 0, 0, &arguments);
@ -94,16 +100,20 @@ int main(int argc, char *argv[]) {
struct renderer_state state = {0};
/* Create inotify instance */
state.inotify_fd = inotify_init();
if (state.inotify_fd == -1) {
log_warn("[inotify] Cannot initialize inotify");
perror("inotify_init");
} else {
/* Set the inotify file descriptor to be non-blocking */
if (!fcntl(state.inotify_fd, F_SETFL, O_NONBLOCK)) {
log_debug("[inotify] Initialized successfully");
if (arguments.autoreload) {
/* Create inotify instance */
state.inotify_fd = inotify_init();
if (state.inotify_fd == -1) {
log_warn("[inotify] Cannot initialize inotify");
perror("inotify_init");
} else {
/* Set the inotify file descriptor to be non-blocking */
if (!fcntl(state.inotify_fd, F_SETFL, O_NONBLOCK)) {
log_debug("[inotify] Initialized successfully");
}
}
} else {
state.inotify_fd = -1;
}
state.screen_shader.filename = arguments.shader_file;