/**
* This function takes both a read buffer and a draw buffer. This is needed
* for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
* function.
*/
static int driBindContext(__DRIcontext *pcp,
__DRIdrawable *pdp,
__DRIdrawable *prp)
{
__DRIscreenPrivate *psp;
/*
** Assume error checking is done properly in glXMakeCurrent before
** calling driBindContext.
*/
if (pcp == NULL || pdp == None || prp == None)
return GL_FALSE;
/* Bind the drawable to the context */
pcp->driDrawablePriv = pdp;
pcp->driReadablePriv = prp;
pdp->driContextPriv = pcp;
pdp->refcount++;
if ( pdp != prp ) {
prp->refcount++;
}
/*
** Now that we have a context associated with this drawable, we can
** initialize the drawable information if has not been done before.
*/
psp = pcp->driScreenPriv;
if (psp->dri2.enabled) {
__driParseEvents(pcp, pdp);
__driParseEvents(pcp, prp);
} else {
if (!pdp->pStamp || *pdp->pStamp != pdp->lastStamp) {
DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
__driUtilUpdateDrawableInfo(pdp);
DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
}
if ((pdp != prp) && (!prp->pStamp || *prp->pStamp != prp->lastStamp)) {
DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
__driUtilUpdateDrawableInfo(prp);
DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
}
}
/* Call device-specific MakeCurrent */
(*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
return GL_TRUE;
}
/**
* This function takes both a read buffer and a draw buffer. This is needed
* for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
* function.
*/
static int driBindContext(__DRIcontext *pcp,
__DRIdrawable *pdp,
__DRIdrawable *prp)
{
__DRIscreen *psp = NULL;
/*
** Assume error checking is done properly in glXMakeCurrent before
** calling driUnbindContext.
*/
if (!pcp)
return GL_FALSE;
/* Bind the drawable to the context */
psp = pcp->driScreenPriv;
pcp->driDrawablePriv = pdp;
pcp->driReadablePriv = prp;
if (pdp) {
pdp->driContextPriv = pcp;
dri_get_drawable(pdp);
}
if (prp && pdp != prp) {
dri_get_drawable(prp);
}
/*
** Now that we have a context associated with this drawable, we can
** initialize the drawable information if has not been done before.
*/
if (!psp->dri2.enabled) {
if (pdp && !pdp->pStamp) {
DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
__driUtilUpdateDrawableInfo(pdp);
DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
}
if (prp && pdp != prp && !prp->pStamp) {
DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
__driUtilUpdateDrawableInfo(prp);
DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
}
}
/* Call device-specific MakeCurrent */
return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
}
