crOpenGL/passthrough/passthroughspu_init.c

	passthroughspu_init.c revision 6457f9bc953a052259ba55fbf6f3d6faace120fa
/* 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;
}