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authorJesse Barnes <jbarnes@virtuousgeek.org>2009-09-15 23:23:09 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-01-08 12:31:10 -0500
commitdaf7fe69f7bd0caa955d30b43fc35b7ce0069b6b (patch)
tree8238c08b7c0f0b0af4230d0d5030169ffddb46db /progs/xdemos/msctest.c
parenta35f6bb207efe3c959bbd16a37f2049e5aceeea9 (diff)
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DRI2: add OML_sync_control support
Add OML_sync_control support, along with a simple program for testing it. This means adding support for the DRI2GetMSC, DRI2WaitMSC and DRI2WaitSBC requests. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'progs/xdemos/msctest.c')
-rw-r--r--progs/xdemos/msctest.c202
1 files changed, 202 insertions, 0 deletions
diff --git a/progs/xdemos/msctest.c b/progs/xdemos/msctest.c
new file mode 100644
index 0000000..001ecf0
--- /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 <jesse.barnes@intel.com>
+ *
+ */
+
+/** @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;
+}