diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-03-12 16:09:23 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-08-16 10:02:10 +1000 |
| commit | 6a3ac03f2b80c80655d66b31c0218754f70156de (patch) | |
| tree | 56981157fcacd10d8933bd4f12773c17952a67e1 | |
| parent | 565a4e2a8625c79bde0eacf674a4f633151eeb0e (diff) | |
glx/dri2: add dri2 prime support.
This adds support for having libGL pick a different driver for prime support.
DRI_PRIME env var is set to the value retrieved from the server randr
provider calls, by the calling process. (generally DRI_PRIME=1 will be
the right answer).
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | src/glx/dri2.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/glx/dri2.c b/src/glx/dri2.c index b1b5013d04..d6b99db768 100644 --- a/src/glx/dri2.c +++ b/src/glx/dri2.c @@ -269,6 +269,7 @@ DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName) XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2ConnectReply rep; xDRI2ConnectReq *req; + char *prime; XextCheckExtension(dpy, info, dri2ExtensionName, False); @@ -277,7 +278,19 @@ DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName) req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2Connect; req->window = window; + req->driverType = DRI2DriverDRI; +#ifdef DRI2DriverPrimeShift + prime = getenv("DRI_PRIME"); + if (prime) { + uint32_t primeid; + errno = 0; + primeid = strtoul(prime, NULL, 0); + if (errno == 0) + req->driverType |= ((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift); + } +#endif + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); |