void CudaModuleScene::initCudaObj(ApexCudaSurfRef& surfRef)
{
if (getGpuDispatcher()->getCudaContextManager()->supportsArchSM20() == false)
{
return;
}
const char* surfRefName = surfRef.getName();
for (int j = 0 ; j < numRegisteredSurfaces ; j++)
{
if (nvidia::strcmp(surfaceTable[j].surfRefName, surfRefName) == 0)
{
ApexCudaModule* cudaModule = getCudaModule(surfaceTable[j].modIndex);
PX_ASSERT(cudaModule->isValid());
CUsurfref cuSurfRef;
CUT_SAFE_CALL(cuModuleGetSurfRef(&cuSurfRef, cudaModule->getCuModule(), surfRefName));
surfRef.init(this, cuSurfRef, cudaModule);
break;
}
}
}
SEXP
R_auto_cuModuleGetSurfRef(SEXP r_hmod, SEXP r_name)
{
SEXP r_ans = R_NilValue;
CUsurfref pSurfRef;
CUmodule hmod = (CUmodule) getRReference(r_hmod);
const char * name = CHAR(STRING_ELT(r_name, 0));
CUresult ans;
ans = cuModuleGetSurfRef(& pSurfRef, hmod, name);
if(ans)
return(R_cudaErrorInfo(ans));
r_ans = R_createRef(pSurfRef, "CUsurfref") ;
return(r_ans);
}
CUsurfref CudaModule::getSurfRef(const std::string& name)
{
#if (CUDA_VERSION >= 3010)
CUsurfref surfRef;
checkError( "cuModuleGetSurfRef",
cuModuleGetSurfRef(&surfRef, m_module, name.c_str()) );
return surfRef;
#else
FW_UNREF(name);
fail("CudaModule: getSurfRef() requires CUDA 3.1 or later!");
return NULL;
#endif
}
