From fac5fd258ca18f28290419f9de3f279f7b4a6ede Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sat, 2 Dec 2000 20:33:05 +0000 Subject: added -s option to control when glXSwapBuffers() is called --- progs/xdemos/manywin.c | 44 +++++++++++++++++++++++++++++++++++++++----- 1 file changed, 39 insertions(+), 5 deletions(-) (limited to 'progs/xdemos/manywin.c') diff --git a/progs/xdemos/manywin.c b/progs/xdemos/manywin.c index 29462257fb8..797029cc4cb 100644 --- a/progs/xdemos/manywin.c +++ b/progs/xdemos/manywin.c @@ -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]; -- cgit v1.2.3