/* Update the hardware state. This is called if another context has
* grabbed the hardware lock, which includes the X server. This
* function also updates the driver's window state after the X server
* moves, resizes or restacks a window -- the change will be reflected
* in the drawable position and clip rects. Since the X server grabs
* the hardware lock when it changes the window state, this routine will
* automatically be called after such a change.
*/
void
sisGetLock( sisContextPtr smesa, GLuint flags )
{
__DRIdrawablePrivate *dPriv = smesa->driDrawable;
__DRIscreenPrivate *sPriv = smesa->driScreen;
SISSAREAPrivPtr sarea = smesa->sarea;
drmGetLock( smesa->driFd, smesa->hHWContext, flags );
/* The window might have moved, so we might need to get new clip
* rects.
*
* NOTE: This releases and regrabs the hw lock to allow the X server
* to respond to the DRI protocol request for new drawable info.
* Since the hardware state depends on having the latest drawable
* clip rects, all state checking must be done _after_ this call.
*/
DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv );
if ( smesa->lastStamp != dPriv->lastStamp ) {
sisUpdateBufferSize( smesa );
sisUpdateClipping( smesa->glCtx );
sisDDDrawBuffer( smesa->glCtx, smesa->glCtx->Color.DrawBuffer );
smesa->lastStamp = dPriv->lastStamp;
}
if ( sarea->CtxOwner != smesa->hHWContext ) {
sarea->CtxOwner = smesa->hHWContext;
smesa->GlobalFlag = GFLAG_ALL;
}
}
GLboolean
sisMakeCurrent( __DRIcontextPrivate *driContextPriv,
__DRIdrawablePrivate *driDrawPriv,
__DRIdrawablePrivate *driReadPriv )
{
if ( driContextPriv ) {
GET_CURRENT_CONTEXT(ctx);
sisContextPtr oldSisCtx = ctx ? SIS_CONTEXT(ctx) : NULL;
sisContextPtr newSisCtx = (sisContextPtr) driContextPriv->driverPrivate;
if ( newSisCtx != oldSisCtx) {
newSisCtx->GlobalFlag = GFLAG_ALL;
}
newSisCtx->driDrawable = driDrawPriv;
_mesa_make_current2( newSisCtx->glCtx,
(GLframebuffer *) driDrawPriv->driverPrivate,
(GLframebuffer *) driReadPriv->driverPrivate );
sisUpdateBufferSize( newSisCtx );
sisUpdateClipping( newSisCtx->glCtx );
} else {
_mesa_make_current( 0, 0 );
}
return GL_TRUE;
}
