source: vbox/trunk/src/VBox/Additions/common/crOpenGL/passthrough/passthroughspu_init.c@ 63206

/* Copyright (c) 2001, Stanford University
 * All rights reserved
 *
 * See the file LICENSE.txt for information on redistributing this software.
 */

#include "cr_error.h"
#include "passthroughspu.h"

static SPUFunctions passthrough_functions = {
        NULL, /* CHILD COPY */
        NULL, /* DATA */
        _cr_passthrough_table /* THE ACTUAL FUNCTIONS */
};

static SPUFunctions *
passthroughSPUInit( int id, SPU *child, SPU *self,
                                                                                unsigned int context_id,
                                                                                unsigned int num_contexts )
{
        (void) id;
        (void) self;
        (void) context_id;
        (void) num_contexts;

        if (child == NULL)
        {
                crError( "You can't load the passthrough SPU as the last SPU in a chain!" );
        }
        BuildPassthroughTable( child );
        return &passthrough_functions;
}

static void
passthroughSPUSelfDispatch(SPUDispatchTable *parent)
{
        (void)parent;
}

static int
passthroughSPUCleanup(void)
{
        return 1;
}

static SPUOptions passthroughSPUOptions[] = {
   { NULL, CR_BOOL, 0, NULL, NULL, NULL, NULL, NULL },
};


int SPULoad( char **name, char **super, SPUInitFuncPtr *init,
             SPUSelfDispatchFuncPtr *self, SPUCleanupFuncPtr *cleanup,
             SPUOptionsPtr *options, int *flags )
{
        *name = "passthrough";
        *super = NULL;
        *init = passthroughSPUInit;
        *self = passthroughSPUSelfDispatch;
        *cleanup = passthroughSPUCleanup;
        *options = passthroughSPUOptions;
        *flags = (SPU_NO_PACKER|SPU_NOT_TERMINAL|SPU_MAX_SERVERS_ZERO);
        
        return 1;
}