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DRI2: add OML_sync_control support

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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>
This commit is contained in:
Jesse Barnes
2009-09-15 23:23:09 -07:00
parent a35f6bb207
commit daf7fe69f7
12 changed files with 624 additions and 182 deletions
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202
progs/xdemos/msctest.c Normal file
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/*
* 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;
}