/**
* 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)
{
/*
** Assume error checking is done properly in glXMakeCurrent before
** calling driUnbindContext.
*/
if (!pcp)
return GL_FALSE;
/* Bind the drawable to the context */
pcp->driDrawablePriv = pdp;
pcp->driReadablePriv = prp;
if (pdp) {
pdp->driContextPriv = pcp;
dri_get_drawable(pdp);
}
if (prp && pdp != prp) {
dri_get_drawable(prp);
}
return pcp->driScreenPriv->driver->MakeCurrent(pcp, pdp, prp);
}
static __DRIdrawable *
driCreateNewDrawable(__DRIscreen *screen,
const __DRIconfig *config,
void *data)
{
__DRIdrawable *pdraw;
assert(data != NULL);
pdraw = malloc(sizeof *pdraw);
if (!pdraw)
return NULL;
pdraw->loaderPrivate = data;
pdraw->driScreenPriv = screen;
pdraw->driContextPriv = NULL;
pdraw->refcount = 0;
pdraw->lastStamp = 0;
pdraw->w = 0;
pdraw->h = 0;
dri_get_drawable(pdraw);
if (!screen->driver->CreateBuffer(screen, pdraw, &config->modes,
GL_FALSE)) {
free(pdraw);
return NULL;
}
pdraw->dri2.stamp = pdraw->lastStamp + 1;
return pdraw;
}
static __DRIdrawable *
driCreateNewDrawable(__DRIscreen *psp,
const __DRIconfig *config, void *data)
{
__DRIdrawable *pdp;
pdp = CALLOC_STRUCT(__DRIdrawableRec);
if (!pdp)
return NULL;
pdp->loaderPrivate = data;
pdp->driScreenPriv = psp;
pdp->driContextPriv = NULL;
dri_get_drawable(pdp);
if (!driDriverAPI.CreateBuffer(psp, pdp, &config->modes, GL_FALSE)) {
FREE(pdp);
return NULL;
}
pdp->lastStamp = 1; /* const */
return pdp;
}
/**
* 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);
}
static int driBindContext(__DRIcontext *pcp,
__DRIdrawable *pdp,
__DRIdrawable *prp)
{
/* Bind the drawable to the context */
if (pcp) {
pcp->driDrawablePriv = pdp;
pcp->driReadablePriv = prp;
if (pdp) {
pdp->driContextPriv = pcp;
dri_get_drawable(pdp);
}
if (prp && pdp != prp) {
dri_get_drawable(prp);
}
}
return driDriverAPI.MakeCurrent(pcp, pdp, prp);
}
