Available since the inclusion of dri2proto 1.4 is a DRI2 request to query and set certain parameters about the X/DDX configuration. This implements the getter request.
Signed-off-by: Chris Wilson chris@chris-wilson.co.uk --- src/glx/dri2.c | 29 +++++++++++++++++++++++++++++ src/glx/dri2.h | 4 ++++ 2 files changed, 33 insertions(+)
diff --git a/src/glx/dri2.c b/src/glx/dri2.c index cc6c164..6d9403e 100644 --- a/src/glx/dri2.c +++ b/src/glx/dri2.c @@ -546,4 +546,33 @@ DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region, SyncHandle(); }
+Bool +DRI2GetParam(Display * dpy, XID drawable, CARD32 param, CARD64 *value) +{ + XExtDisplayInfo *info = DRI2FindDisplay(dpy); + xDRI2GetParamReply rep; + xDRI2GetParamReq *req; + + XextCheckExtension(dpy, info, dri2ExtensionName, False); + + LockDisplay(dpy); + GetReq(DRI2GetParam, req); + req->reqType = info->codes->major_opcode; + req->dri2ReqType = X_DRI2GetParam; + req->drawable = drawable; + req->param = param; + + if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + *value = (CARD64)rep.value_hi << 32 | rep.value_lo; + UnlockDisplay(dpy); + SyncHandle(); + + return rep.is_param_recognized; +} + #endif /* GLX_DIRECT_RENDERING */ diff --git a/src/glx/dri2.h b/src/glx/dri2.h index 4be5bf8..a5b23f0 100644 --- a/src/glx/dri2.h +++ b/src/glx/dri2.h @@ -88,4 +88,8 @@ DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region, CARD32 dest, CARD32 src);
+extern Bool +DRI2GetParam(Display * dpy, XID drawable, + CARD32 param, CARD64 *value); + #endif