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      1 /*
      2  * Copyright (C) 2013 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_STRUCTURED_TYPE_H
     18 #define ANDROID_STRUCTURED_TYPE_H
     19 
     20 #include "rsElement.h"
     21 
     22 // ---------------------------------------------------------------------------
     23 namespace android {
     24 namespace renderscript {
     25 /*****************************************************************************
     26  * CAUTION
     27  *
     28  * Any layout changes for this class may require a corresponding change to be
     29  * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
     30  * a partial copy of the information below.
     31  *
     32  *****************************************************************************/
     33 
     34 class Type : public ObjectBase {
     35 public:
     36     struct Hal {
     37         mutable void *drv;
     38 
     39         struct State {
     40             const Element * element;
     41 
     42             // Size of the structure in the various dimensions.  A missing Dimension is
     43             // specified as a 0 and not a 1.
     44             uint32_t dimX;
     45             uint32_t dimY;
     46             uint32_t dimZ;
     47             uint32_t *lodDimX;
     48             uint32_t *lodDimY;
     49             uint32_t *lodDimZ;
     50             uint32_t *_unused;
     51             uint32_t lodCount;
     52             uint32_t dimYuv;
     53             bool faces;
     54         };
     55         State state;
     56     };
     57     Hal mHal;
     58 
     59     void operator delete(void* ptr);
     60 
     61     Type * createTex2D(const Element *, size_t w, size_t h, bool mip);
     62 
     63     size_t getCellCount() const {return mCellCount;}
     64     size_t getElementSizeBytes() const {return mElement->getSizeBytes();}
     65     size_t getPackedSizeBytes() const {return mCellCount * mElement->getSizeBytes();}
     66     const Element * getElement() const {return mElement.get();}
     67 
     68     uint32_t getDimX() const {return mHal.state.dimX;}
     69     uint32_t getDimY() const {return mHal.state.dimY;}
     70     uint32_t getDimZ() const {return mHal.state.dimZ;}
     71     bool getDimLOD() const {return mDimLOD;}
     72     bool getDimFaces() const {return mHal.state.faces;}
     73     uint32_t getDimYuv() const {return mHal.state.dimYuv;}
     74 
     75     uint32_t getLODDimX(uint32_t lod) const {
     76         rsAssert(lod < mHal.state.lodCount);
     77         return mHal.state.lodDimX[lod];
     78     }
     79     uint32_t getLODDimY(uint32_t lod) const {
     80         rsAssert(lod < mHal.state.lodCount);
     81         return mHal.state.lodDimY[lod];
     82     }
     83     uint32_t getLODDimZ(uint32_t lod) const {
     84         rsAssert(lod < mHal.state.lodCount);
     85         return mHal.state.lodDimZ[lod];
     86     }
     87 
     88     uint32_t getLODCount() const {return mHal.state.lodCount;}
     89     bool getIsNp2() const;
     90 
     91     void clear();
     92     void compute();
     93 
     94     void dumpLOGV(const char *prefix) const;
     95     virtual void serialize(Context *rsc, OStream *stream) const;
     96     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_TYPE; }
     97     static Type *createFromStream(Context *rsc, IStream *stream);
     98 
     99     ObjectBaseRef<Type> cloneAndResize1D(Context *rsc, uint32_t dimX) const;
    100     ObjectBaseRef<Type> cloneAndResize2D(Context *rsc, uint32_t dimX, uint32_t dimY) const;
    101 
    102     static ObjectBaseRef<Type> getTypeRef(Context *rsc, const Element *e,
    103                                           uint32_t dimX, uint32_t dimY, uint32_t dimZ,
    104                                           bool dimLOD, bool dimFaces, uint32_t dimYuv);
    105 
    106     static Type* getType(Context *rsc, const Element *e,
    107                          uint32_t dimX, uint32_t dimY, uint32_t dimZ,
    108                          bool dimLOD, bool dimFaces, uint32_t yuv) {
    109         ObjectBaseRef<Type> type = getTypeRef(rsc, e, dimX, dimY, dimZ, dimLOD, dimFaces, yuv);
    110         type->incUserRef();
    111         return type.get();
    112     }
    113 
    114     void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
    115     void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
    116     virtual void callUpdateCacheObject(const Context *rsc, void *dstObj) const;
    117 
    118 protected:
    119     void makeLODTable();
    120     bool mDimLOD;
    121 
    122     // Internal structure from most to least significant.
    123     // * Array dimensions
    124     // * Faces
    125     // * Mipmaps
    126     // * xyz
    127 
    128     ObjectBaseRef<const Element> mElement;
    129 
    130     // count of mipmap levels, 0 indicates no mipmapping
    131 
    132     size_t mCellCount;
    133 protected:
    134     virtual void preDestroy() const;
    135     virtual ~Type();
    136 
    137 private:
    138     Type(Context *);
    139     Type(const Type &);
    140 };
    141 
    142 
    143 class TypeState {
    144 public:
    145     TypeState();
    146     ~TypeState();
    147 
    148     // Cache of all existing types.
    149     Vector<Type *> mTypes;
    150 };
    151 
    152 
    153 }
    154 }
    155 #endif //ANDROID_STRUCTURED_TYPE
    156