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Diffstat (limited to 'progs/xdemos/msctest.c')
| -rw-r--r-- | progs/xdemos/msctest.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/progs/xdemos/msctest.c b/progs/xdemos/msctest.c new file mode 100644 index 00000000000..001ecf04d6c --- /dev/null +++ b/progs/xdemos/msctest.c @@ -0,0 +1,202 @@ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Jesse Barnes <[email protected]> + * + */ + +/** @file msctest.c + * Simple test for MSC functionality. + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <GL/gl.h> +#include <GL/glu.h> +#include <GL/glx.h> +#include <GL/glxext.h> +#include <X11/X.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> + +void (*get_sync_values)(Display *dpy, Window winGL, int64_t *ust, int64_t *msc, int64_t *sbc); +void (*wait_sync)(Display *dpy, Window winGL, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc); + +static int GLXExtensionSupported(Display *dpy, const char *extension) +{ + const char *extensionsString, *client_extensions, *pos; + + extensionsString = glXQueryExtensionsString(dpy, DefaultScreen(dpy)); + client_extensions = glXGetClientString(dpy, GLX_EXTENSIONS); + + pos = strstr(extensionsString, extension); + + if (pos != NULL && (pos == extensionsString || pos[-1] == ' ') && + (pos[strlen(extension)] == ' ' || pos[strlen(extension)] == '\0')) + return 1; + + pos = strstr(client_extensions, extension); + + if (pos != NULL && (pos == extensionsString || pos[-1] == ' ') && + (pos[strlen(extension)] == ' ' || pos[strlen(extension)] == '\0')) + return 1; + + return 0; +} + +extern char *optarg; +extern int optind, opterr, optopt; +static char optstr[] = "v"; + +static void usage(char *name) +{ + printf("usage: %s\n", name); + exit(-1); +} + +int main(int argc, char *argv[]) +{ + Display *disp; + XVisualInfo *pvi; + XSetWindowAttributes swa; + int attrib[14]; + Window winGL; + GLXContext context; + int dummy; + Atom wmDelete; + int verbose = 0, width = 200, height = 200; + int c, i = 1; + int64_t ust, msc, sbc; + + opterr = 0; + while ((c = getopt(argc, argv, optstr)) != -1) { + switch (c) { + case 'v': + verbose = 1; + break; + default: + usage(argv[0]); + break; + } + } + + disp = XOpenDisplay(NULL); + if (!disp) { + fprintf(stderr, "failed to open display\n"); + return -1; + } + + if (!glXQueryExtension(disp, &dummy, &dummy)) { + fprintf(stderr, "glXQueryExtension failed\n"); + return -1; + } + + if (!GLXExtensionSupported(disp, "GLX_OML_sync_control")) { + fprintf(stderr, "GLX_OML_sync_control not supported, exiting\n"); + 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; + attrib[8] = GLX_DOUBLEBUFFER; + attrib[9] = 1; + attrib[10] = None; + + 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), + pvi->visual, AllocNone); + swa.border_pixel = 0; + swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | + StructureNotifyMask; + winGL = XCreateWindow(disp, RootWindow(disp, pvi->screen), + 0, 0, + width, height, + 0, pvi->depth, InputOutput, pvi->visual, + CWBorderPixel | CWColormap | CWEventMask, &swa); + if (!winGL) { + fprintf(stderr, "window creation failed\n"); + return -1; + } + wmDelete = XInternAtom(disp, "WM_DELETE_WINDOW", True); + XSetWMProtocols(disp, winGL, &wmDelete, 1); + + XSetStandardProperties(disp, winGL, "msc test", "msc text", + None, NULL, 0, NULL); + + XMapRaised(disp, winGL); + + glXMakeCurrent(disp, winGL, context); + + get_sync_values = glXGetProcAddress((unsigned char *)"glXGetSyncValuesOML"); + wait_sync = glXGetProcAddress((unsigned char *)"glXWaitForMscOML"); + + if (!get_sync_values || !wait_sync) { + fprintf(stderr, "failed to get sync values function\n"); + return -1; + } + + while (i++) { + get_sync_values(disp, winGL, &ust, &msc, &sbc); + fprintf(stderr, "ust: %llu, msc: %llu, sbc: %llu\n", ust, msc, + sbc); + + /* 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); + glXSwapBuffers(disp, winGL); + wait_sync(disp, winGL, 0, 60, 0, &ust, &msc, &sbc); + fprintf(stderr, + "wait returned ust: %llu, msc: %llu, sbc: %llu\n", + ust, msc, sbc); + sleep(1); + } + + XDestroyWindow(disp, winGL); + glXDestroyContext(disp, context); + XCloseDisplay(disp); + + return 0; +} |