/**
* Load the entire chain of SPUs and initialize all of them.
* This function returns the first one in the chain.
*/
SPU *
crSPULoadChain( int count, int *ids, char **names, char *dir, void *server )
{
int i;
SPU *child_spu = NULL;
CRASSERT( count > 0 );
for (i = count-1 ; i >= 0 ; i--)
{
int spu_id = ids[i];
char *spu_name = names[i];
SPU *the_spu, *temp;
/* This call passes the previous version of spu, which is the SPU's
* "child" in this chain. */
the_spu = crSPULoad( child_spu, spu_id, spu_name, dir, server );
if (child_spu != NULL)
{
/* keep track of this so that people can pass functions through but
* still get updated when API's change on the fly. */
for (temp = the_spu ; temp ; temp = temp->superSPU )
{
struct _copy_list_node *node = (struct _copy_list_node *) crAlloc( sizeof( *node ) );
node->copy = &(temp->dispatch_table);
node->next = child_spu->dispatch_table.copyList;
child_spu->dispatch_table.copyList = node;
}
}
child_spu = the_spu;
}
return child_spu;
}
SPU * crSPULoad( SPU *child, int id, char *name, char *dir, void *server )
{
SPU *the_spu;
char *path;
CRASSERT( name != NULL );
the_spu = (SPU*)crAlloc( sizeof( *the_spu ) );
the_spu->id = id;
the_spu->privatePtr = NULL;
path = __findDLL( name, dir );
the_spu->dll = crDLLOpen( path, 0/*resolveGlobal*/ );
the_spu->entry_point =
(SPULoadFunction) crDLLGetNoError( the_spu->dll, SPU_ENTRY_POINT_NAME );
if (!the_spu->entry_point)
{
crError( "Couldn't load the SPU entry point \"%s\" from SPU \"%s\"!",
SPU_ENTRY_POINT_NAME, name );
}
/* This basicall calls the SPU's SPULoad() function */
if (!the_spu->entry_point( &(the_spu->name), &(the_spu->super_name),
&(the_spu->init), &(the_spu->self),
&(the_spu->cleanup),
&(the_spu->options),
&(the_spu->spu_flags)) )
{
crError( "I found the SPU \"%s\", but loading it failed!", name );
}
if (crStrcmp(the_spu->name,"error"))
{
/* the default super/base class for an SPU is the error SPU */
if (the_spu->super_name == NULL)
{
the_spu->super_name = "error";
}
the_spu->superSPU = crSPULoad( child, id, the_spu->super_name, dir, server );
}
else
{
the_spu->superSPU = NULL;
}
crDebug("Initializing %s SPU", name);
the_spu->function_table = the_spu->init( id, child, the_spu, 0, 1 );
__buildDispatch( the_spu );
/*crDebug( "initializing dispatch table %p (for SPU %s)", (void*)&(the_spu->dispatch_table), name );*/
crSPUInitDispatchTable( &(the_spu->dispatch_table) );
/*crDebug( "Done initializing the dispatch table for SPU %s, calling the self function", name );*/
the_spu->dispatch_table.server = server;
the_spu->self( &(the_spu->dispatch_table) );
/*crDebug( "Done with the self function" );*/
return the_spu;
}
static int vboxCheck3DAccelerationSupported()
{
LogRel(("Testing 3D Support:\n"));
void *spu = crSPULoad(NULL, 0, (char*)"render", NULL, NULL);
if (spu)
{
crSPUUnloadChain(spu);
LogRel(("Testing 3D Succeeded!\n"));
return 0;
}
LogRel(("Testing 3D Failed\n"));
return 1;
}