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      1 /*
      2  * Copyright (C) 2009 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 #ifndef ANDROID_COMPONENT_H
     18 #define ANDROID_COMPONENT_H
     19 
     20 #include "rsUtils.h"
     21 #include "rsDefines.h"
     22 #include "rsStream.h"
     23 // ---------------------------------------------------------------------------
     24 namespace android {
     25 namespace renderscript {
     26 
     27 
     28 // An element is a group of Components that occupies one cell in a structure.
     29 class Component {
     30 public:
     31     Component();
     32     ~Component();
     33 
     34     void set(RsDataType dt, RsDataKind dk, bool norm, uint32_t vecSize=1);
     35 
     36     void dumpLOGV(const char *prefix) const;
     37 
     38     RsDataType getType() const {return mType;}
     39     RsDataKind getKind() const {return mKind;}
     40     bool getIsNormalized() const {return mNormalized;}
     41     uint32_t getVectorSize() const {return mVectorSize;}
     42     bool getIsFloat() const {return mIsFloat;}
     43     bool getIsSigned() const {return mIsSigned;}
     44     uint32_t getBits() const {return mBits;}
     45     uint32_t getBitsUnpadded() const {return mBitsUnpadded;}
     46 
     47     // Helpers for reading / writing this class out
     48     void serialize(OStream *stream) const;
     49     void loadFromStream(IStream *stream);
     50 
     51     bool isReference() const;
     52 
     53 protected:
     54     RsDataType mType;
     55     RsDataKind mKind;
     56     bool mNormalized;
     57     uint32_t mVectorSize;
     58 
     59     // derived
     60     uint32_t mBits;
     61     uint32_t mBitsUnpadded;
     62     uint32_t mTypeBits;
     63     bool mIsFloat;
     64     bool mIsSigned;
     65     bool mIsPixel;
     66 };
     67 
     68 }
     69 }
     70 
     71 #endif
     72 
     73