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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "rsContext.h"
     18 #include "rsFileA3D.h"
     19 
     20 using android::Asset;
     21 using android::renderscript::Context;
     22 using android::renderscript::FileA3D;
     23 using android::renderscript::ObjectBase;
     24 using android::renderscript::rsuCopyString;
     25 
     26 RsObjectBase rsaFileA3DGetEntryByIndex(RsContext con, uint32_t index, RsFile file) {
     27     FileA3D *fa3d = static_cast<FileA3D *>(file);
     28     if (!fa3d) {
     29         ALOGE("Can't load entry. No valid file");
     30         return nullptr;
     31     }
     32 
     33     ObjectBase *obj = fa3d->initializeFromEntry(index);
     34     //ALOGV("Returning object with name %s", obj->getName());
     35 
     36     return obj;
     37 }
     38 
     39 
     40 void rsaFileA3DGetNumIndexEntries(RsContext con, int32_t *numEntries, RsFile file) {
     41     FileA3D *fa3d = static_cast<FileA3D *>(file);
     42 
     43     if (fa3d) {
     44         *numEntries = fa3d->getNumIndexEntries();
     45     } else {
     46         *numEntries = 0;
     47     }
     48 }
     49 
     50 void rsaFileA3DGetIndexEntries(RsContext con, RsFileIndexEntry *fileEntries, uint32_t numEntries, RsFile file) {
     51     FileA3D *fa3d = static_cast<FileA3D *>(file);
     52 
     53     if (!fa3d) {
     54         ALOGE("Can't load index entries. No valid file");
     55         return;
     56     }
     57 
     58     uint32_t numFileEntries = fa3d->getNumIndexEntries();
     59     if (numFileEntries != numEntries || numEntries == 0 || fileEntries == nullptr) {
     60         ALOGE("Can't load index entries. Invalid number requested");
     61         return;
     62     }
     63 
     64     for (uint32_t i = 0; i < numFileEntries; i ++) {
     65         const FileA3D::A3DIndexEntry *entry = fa3d->getIndexEntry(i);
     66         fileEntries[i].classID = entry->getType();
     67         fileEntries[i].objectName = rsuCopyString(entry->getObjectName());
     68     }
     69 }
     70 
     71 RsFile rsaFileA3DCreateFromMemory(RsContext con, const void *data, uint32_t len) {
     72     if (data == nullptr) {
     73         ALOGE("File load failed. Asset stream is nullptr");
     74         return nullptr;
     75     }
     76 
     77     Context *rsc = static_cast<Context *>(con);
     78     FileA3D *fa3d = new FileA3D(rsc);
     79     fa3d->incUserRef();
     80 
     81     fa3d->load(data, len);
     82     return fa3d;
     83 }
     84 
     85 RsFile rsaFileA3DCreateFromAsset(RsContext con, void *_asset) {
     86     ALOGE("Calling deprecated %s API", __FUNCTION__);
     87     return nullptr;
     88 }
     89 
     90 RsFile rsaFileA3DCreateFromFile(RsContext con, const char *path) {
     91     if (path == nullptr) {
     92         ALOGE("File load failed. Path is nullptr");
     93         return nullptr;
     94     }
     95 
     96     Context *rsc = static_cast<Context *>(con);
     97     FileA3D *fa3d = nullptr;
     98 
     99     FILE *f = fopen(path, "rb");
    100     if (f) {
    101         fa3d = new FileA3D(rsc);
    102         fa3d->incUserRef();
    103         fa3d->load(f);
    104         fclose(f);
    105     } else {
    106         ALOGE("Could not open file %s", path);
    107     }
    108 
    109     return fa3d;
    110 }
    111