X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=progs%2Fxdemos%2Fglsync.c;h=c00ba9e4687b946a901dac5b09886b1682906794;hb=c6ef705e414c8e93ee471f50d15ada3492a9b067;hp=95cd1af400415ecaee824f9f7d5a6a16300e4778;hpb=a3ee0aa1bb7c3f9dfc5b13b4e72522c10a22ad05;p=mesa.git diff --git a/progs/xdemos/glsync.c b/progs/xdemos/glsync.c index 95cd1af4004..c00ba9e4687 100644 --- a/progs/xdemos/glsync.c +++ b/progs/xdemos/glsync.c @@ -59,6 +59,7 @@ void (*video_sync_get)(); void (*video_sync)(); +void (*swap_interval)(); static int GLXExtensionSupported(Display *dpy, const char *extension) { @@ -84,22 +85,23 @@ static int GLXExtensionSupported(Display *dpy, const char *extension) extern char *optarg; extern int optind, opterr, optopt; -static char optstr[] = "w:h:s:v"; +static char optstr[] = "w:h:s:vi:"; enum sync_type { none = 0, sgi_video_sync, - buffer_swap, + buffer_swap }; static void usage(char *name) { printf("usage: %s [-w ] [-h ] [-s] " - "[-vc]\n", name); + "[-v]\n", name); printf("\t-s:\n"); printf("\t\tn: none\n"); printf("\t\ts: SGI video sync extension\n"); printf("\t\tb: buffer swap\n"); + printf("\t-i\n"); printf("\t-v: verbose (print count)\n"); exit(-1); } @@ -109,15 +111,28 @@ int main(int argc, char *argv[]) Display *disp; XVisualInfo *pvi; XSetWindowAttributes swa; - int attrib[14]; GLint last_val = -1, count = 0; Window winGL; + GLXContext context; int dummy; Atom wmDelete; enum sync_type waitforsync = none; - int width = 500, height = 500, verbose = 0, - countonly = 0; + int width = 500, height = 500, verbose = 0, interval = 1; int c, i = 1; + int ret; + int attribs[] = { GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + None }; + int db_attribs[] = { GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DOUBLEBUFFER, + GLX_DEPTH_SIZE, 1, + None }; + XSizeHints sizehints; opterr = 0; while ((c = getopt(argc, argv, optstr)) != -1) { @@ -147,6 +162,9 @@ int main(int argc, char *argv[]) case 'v': verbose = 1; break; + case 'i': + interval = atoi(optarg); + break; default: usage(argv[0]); break; @@ -169,35 +187,17 @@ int main(int argc, char *argv[]) return -1; } - attrib[0] = GLX_RGBA; - attrib[1] = 1; - attrib[2] = GLX_RED_SIZE; - attrib[3] = 1; - attrib[4] = GLX_GREEN_SIZE; - attrib[5] = 1; - attrib[6] = GLX_BLUE_SIZE; - attrib[7] = 1; - if (waitforsync != buffer_swap) - attrib[8] = None; - else { - attrib[8] = GLX_DOUBLEBUFFER; - attrib[9] = 1; - attrib[10] = None; + if (waitforsync != buffer_swap) { + pvi = glXChooseVisual(disp, DefaultScreen(disp), attribs); + } else { + pvi = glXChooseVisual(disp, DefaultScreen(disp), db_attribs); } - GLXContext context; - pvi = glXChooseVisual(disp, DefaultScreen(disp), attrib); if (!pvi) { fprintf(stderr, "failed to choose visual, exiting\n"); return -1; } - context = glXCreateContext(disp, pvi, None, GL_TRUE); - if (!context) { - fprintf(stderr, "failed to create glx context\n"); - return -1; - } - pvi->screen = DefaultScreen(disp); swa.colormap = XCreateColormap(disp, RootWindow(disp, pvi->screen), @@ -217,24 +217,58 @@ int main(int argc, char *argv[]) wmDelete = XInternAtom(disp, "WM_DELETE_WINDOW", True); XSetWMProtocols(disp, winGL, &wmDelete, 1); + sizehints.x = 0; + sizehints.y = 0; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize | USPosition; + + XSetNormalHints(disp, winGL, &sizehints); XSetStandardProperties(disp, winGL, "glsync test", "glsync text", - None, NULL, 0, NULL); + None, NULL, 0, &sizehints); - XMapRaised(disp, winGL); + context = glXCreateContext(disp, pvi, NULL, GL_TRUE); + if (!context) { + fprintf(stderr, "failed to create glx context\n"); + return -1; + } - glXMakeCurrent(disp, winGL, context); + XMapWindow(disp, winGL); + ret = glXMakeCurrent(disp, winGL, context); + if (ret) { + fprintf(stderr, "failed to make context current: %d\n", ret); + } video_sync_get = glXGetProcAddress((unsigned char *)"glXGetVideoSyncSGI"); video_sync = glXGetProcAddress((unsigned char *)"glXWaitVideoSyncSGI"); - if (!video_sync_get || !video_sync) { + swap_interval = glXGetProcAddress((unsigned char *)"glXSwapIntervalSGI"); + + if (!video_sync_get || !video_sync || !swap_interval) { fprintf(stderr, "failed to get sync functions\n"); return -1; } + if (waitforsync == buffer_swap) { + swap_interval(interval); + fprintf(stderr, "set swap interval to %d\n", interval); + } video_sync_get(&count); count++; + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); while (i++) { + /* Alternate colors to make tearing obvious */ + if (i & 1) { + glClearColor(1.0f, 1.0f, 1.0f, 1.0f); + glColor3f(1.0f, 1.0f, 1.0f); + } else { + glClearColor(1.0f, 0.0f, 0.0f, 0.0f); + glColor3f(1.0f, 0.0f, 0.0f); + } + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + glRectf(0, 0, width, height); + /* Wait for vsync */ if (waitforsync == sgi_video_sync) { if (verbose) @@ -245,24 +279,19 @@ int main(int argc, char *argv[]) if (count == last_val) fprintf(stderr, "error: count didn't change: %d\n", count); last_val = count; + glFlush(); } else if (waitforsync == buffer_swap) { glXSwapBuffers(disp, winGL); + } else { + video_sync_get(&count); + sleep(1); + glFinish(); } - if (countonly) { - video_sync(2, 1, &count); + if (verbose) { + video_sync_get(&count); fprintf(stderr, "current count: %d\n", count); - sleep(1); - continue; } - - /* Alternate colors to make tearing obvious */ - if (i & 1) - glClearColor(1.0f, 1.0f, 1.0f, 1.0f); - else - glClearColor(1.0f, 0.0f, 0.0f, 0.0f); - glClear(GL_COLOR_BUFFER_BIT); - glFlush(); } XDestroyWindow(disp, winGL);