KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

xdemos/glsync: Make glsync test draw a rectangle 

Doing simple buffer clears isn't enough to actually allocate render buffers, we
need to do real drawing.
This commit is contained in:
Jesse Barnes 2009-11-03 10:48:17 -08:00
parent f35f666f81
commit f860aac0d8
1 changed files with 49 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
progs/xdemos/glsync.c
View File

@ -111,7 +111,6 @@ 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;
@ -121,6 +120,19 @@ int main(int argc, char *argv[])
int width = 500, height = 500, verbose = 0,
countonly = 0, interval = 1;
int c, i = 1;
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) {
@ -175,34 +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);
}
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),
@ -222,11 +217,23 @@ 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;
}
XMapWindow(disp, winGL);
glXMakeCurrent(disp, winGL, context);
video_sync_get = glXGetProcAddress((unsigned char *)"glXGetVideoSyncSGI");
@ -239,11 +246,26 @@ int main(int argc, char *argv[])
return -1;
}
swap_interval(interval);
fprintf(stderr, "set swap interval to %d\n", interval);
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)
@ -254,6 +276,7 @@ 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);
}
@ -269,14 +292,6 @@ int main(int argc, char *argv[])
video_sync_get(&count);
fprintf(stderr, "current count: %d\n", count);
}
/* 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);