Aurelien
/
xf86-video-intel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

test/dri3: Add an explicit DRI3 extension check first 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-04-20 14:54:50 +01:00
parent 7eaf593640
commit 75037efcd7
1 changed files with 34 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
test/dri3.c
View File

@ -29,6 +29,7 @@
#include <xcb/dri3.h>
#include <xcb/sync.h>
#include <unistd.h>
#include <stdlib.h>
#include "dri3.h"
@ -109,12 +110,45 @@ void dri3_fence_free(Display *dpy, struct dri3_fence *fence)
xcb_sync_destroy_fence(c, fence->xid);
}
static void dri3_query_version(xcb_connection_t *c, int *major, int *minor)
{
xcb_dri3_query_version_reply_t *reply;
reply = xcb_dri3_query_version_reply(c,
xcb_dri3_query_version(c,
XCB_DRI3_MAJOR_VERSION,
XCB_DRI3_MINOR_VERSION),
NULL);
if (reply != NULL) {
*major = reply->major_version;
*minor = reply->minor_version;
free(reply);
}
}
static int dri3_exists(xcb_connection_t *c)
{
const xcb_query_extension_reply_t *ext;
int major, minor;
major = minor = -1;
ext = xcb_get_extension_data(c, &xcb_dri3_id);
if (ext != NULL && ext->present)
dri3_query_version(c, &major, &minor);
return major >= 0;
}
int dri3_open__full(Display *dpy, Window root, unsigned provider)
{
xcb_connection_t *c = XGetXCBConnection(dpy);
xcb_dri3_open_cookie_t cookie;
xcb_dri3_open_reply_t *reply;
if (!dri3_exists(c))
return -1;
cookie = xcb_dri3_open(c, root, provider);
reply = xcb_dri3_open_reply(c, cookie, NULL);