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drawlines: single-threaded with fswait

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This commit is contained in:
K. Lange 2018-10-30 21:20:10 +09:00
parent a8b39ada97
commit ba40bb5cc6
1 changed files with 39 additions and 41 deletions
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80
apps/drawlines.c
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@ -17,11 +17,12 @@
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
#include <pthread.h>
#include <time.h>
#include <sched.h>
#include <math.h>
#include <sys/fswait.h>
#include <toaru/yutani.h>
#include <toaru/graphics.h>
@ -33,19 +34,13 @@ static gfx_context_t * ctx;
static int should_exit = 0;
static int thick = 0;
void * draw_thread(void * garbage) {
(void)garbage;
while (!should_exit) {
if (thick) {
draw_line_aa(ctx, rand() % width, rand() % width, rand() % height, rand() % height, rgb(rand() % 255,rand() % 255,rand() % 255), (float)thick);
} else {
draw_line(ctx, rand() % width, rand() % width, rand() % height, rand() % height, rgb(rand() % 255,rand() % 255,rand() % 255));
}
yutani_flip(yctx, wina);
usleep(16666);
static void draw(void) {
if (thick) {
draw_line_aa(ctx, rand() % width, rand() % width, rand() % height, rand() % height, rgb(rand() % 255,rand() % 255,rand() % 255), (float)thick);
} else {
draw_line(ctx, rand() % width, rand() % width, rand() % height, rand() % height, rgb(rand() % 255,rand() % 255,rand() % 255));
}
pthread_exit(0);
return NULL;
yutani_flip(yctx, wina);
}
static void show_usage(char * argv[]) {
@ -93,39 +88,42 @@ int main (int argc, char ** argv) {
ctx = init_graphics_yutani(wina);
draw_fill(ctx, rgb(0,0,0));
pthread_t thread;
pthread_create(&thread, NULL, draw_thread, NULL);
while (!should_exit) {
yutani_msg_t * m = yutani_poll(yctx);
if (m) {
switch (m->type) {
case YUTANI_MSG_KEY_EVENT:
{
struct yutani_msg_key_event * ke = (void*)m->data;
if (ke->event.action == KEY_ACTION_DOWN && ke->event.keycode == 'q') {
should_exit = 1;
sched_yield();
int fds[1] = {fileno(yctx->sock)};
int index = fswait2(1,fds,20);
if (index == 0) {
yutani_msg_t * m = yutani_poll(yctx);
while (m) {
switch (m->type) {
case YUTANI_MSG_KEY_EVENT:
{
struct yutani_msg_key_event * ke = (void*)m->data;
if (ke->event.action == KEY_ACTION_DOWN && ke->event.keycode == 'q') {
should_exit = 1;
sched_yield();
}
}
}
break;
case YUTANI_MSG_WINDOW_MOUSE_EVENT:
{
struct yutani_msg_window_mouse_event * me = (void*)m->data;
if (me->command == YUTANI_MOUSE_EVENT_DOWN && me->buttons & YUTANI_MOUSE_BUTTON_LEFT) {
yutani_window_drag_start(yctx, wina);
break;
case YUTANI_MSG_WINDOW_MOUSE_EVENT:
{
struct yutani_msg_window_mouse_event * me = (void*)m->data;
if (me->command == YUTANI_MOUSE_EVENT_DOWN && me->buttons & YUTANI_MOUSE_BUTTON_LEFT) {
yutani_window_drag_start(yctx, wina);
}
}
}
break;
case YUTANI_MSG_WINDOW_CLOSE:
case YUTANI_MSG_SESSION_END:
should_exit = 1;
break;
default:
break;
break;
case YUTANI_MSG_WINDOW_CLOSE:
case YUTANI_MSG_SESSION_END:
should_exit = 1;
break;
default:
break;
}
free(m);
m = yutani_poll_async(yctx);
}
}
free(m);
draw();
}
yutani_close(yctx, wina);