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added -s option to control when glXSwapBuffers() is called

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This commit is contained in:
Brian Paul 2000-12-02 20:33:05 +00:00
parent 7853901372
commit fac5fd258c
1 changed files with 39 additions and 5 deletions
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44
progs/xdemos/manywin.c
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@ -1,4 +1,4 @@
/* $Id: manywin.c,v 1.1 2000/06/13 19:41:30 brianp Exp $ */
/* $Id: manywin.c,v 1.2 2000/12/02 20:33:05 brianp Exp $ */
/*
* Create N GLX windows/contexts and render to them in round-robin
@ -50,6 +50,8 @@ struct head {
#define MAX_HEADS 200
static struct head Heads[MAX_HEADS];
static int NumHeads = 0;
static GLboolean SwapSeparate = GL_TRUE;
static void
@ -187,10 +189,17 @@ Redraw(struct head *h)
glEnd();
glPopMatrix();
glXSwapBuffers(h->Dpy, h->Win);
if (!SwapSeparate)
glXSwapBuffers(h->Dpy, h->Win);
}
static void
Swap(struct head *h)
{
glXSwapBuffers(h->Dpy, h->Win);
}
static void
Resize(const struct head *h, unsigned int width, unsigned int height)
@ -222,6 +231,8 @@ EventLoop(void)
switch (event.type) {
case Expose:
Redraw(h);
if (SwapSeparate)
Swap(h);
break;
case ConfigureNotify:
Resize(h, event.xconfigure.width, event.xconfigure.height);
@ -236,7 +247,17 @@ EventLoop(void)
printf("window mismatch\n");
}
}
Redraw(h);
}
/* redraw all windows */
for (i = 0; i < NumHeads; i++) {
Redraw(&Heads[i]);
}
/* swapbuffers on all windows, if not already done */
if (SwapSeparate) {
for (i = 0; i < NumHeads; i++) {
Swap(&Heads[i]);
}
}
usleep(1);
}
@ -265,13 +286,26 @@ main(int argc, char *argv[])
struct head *h;
printf("manywin: open N simultaneous glx windows\n");
printf("Usage:\n");
printf(" manywin numWindows\n");
printf(" manywin [-s] numWindows\n");
printf("Options:\n");
printf(" -s = swap immediately after drawing (see src code)\n");
printf("Example:\n");
printf(" manywin 10\n");
return 0;
}
else {
int n = atoi(argv[1]);
int n = 3;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-s") == 0) {
SwapSeparate = GL_FALSE;
}
else {
n = atoi(argv[i]);
}
}
if (n < 1)
n = 1;
printf("%d windows\n", n);
for (i = 0; i < n; i++) {
char name[100];