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