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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 #include <vector>
     23 
     24 // ---------------------------------------------------------------------------
     25 namespace android {
     26 namespace renderscript {
     27 /*****************************************************************************
     28  * CAUTION
     29  *
     30  * Any layout changes for this class may require a corresponding change to be
     31  * made to frameworks/rs/driver/runtime/rs_structs.h, which contains
     32  * a partial copy of the information below.
     33  *
     34  *****************************************************************************/
     35 
     36 class Type : public ObjectBase {
     37 public:
     38     const static uint32_t mMaxArrays = 4;
     39 
     40     struct Hal {
     41         mutable void *drv;
     42 
     43         struct State {
     44             const Element * element;
     45 
     46             // Size of the structure in the various dimensions.  A missing Dimension is
     47             // specified as a 0 and not a 1.
     48             uint32_t dimX;
     49             uint32_t dimY;
     50             uint32_t dimZ;
     51             uint32_t *lodDimX;
     52             uint32_t *lodDimY;
     53             uint32_t *lodDimZ;
     54             uint32_t *arrays;
     55             uint32_t lodCount;
     56             uint32_t dimYuv;
     57             uint32_t arrayCount;
     58             bool faces;
     59         };
     60         State state;
     61     };
     62     Hal mHal;
     63 
     64     void operator delete(void* ptr);
     65 
     66     Type * createTex2D(const Element *, size_t w, size_t h, bool mip);
     67 
     68     size_t getCellCount() const {return mCellCount;}
     69     size_t getElementSizeBytes() const {return mElement->getSizeBytes();}
     70     size_t getPackedSizeBytes() const {return mCellCount * mElement->getSizeBytes();}
     71     const Element * getElement() const {return mElement.get();}
     72 
     73     uint32_t getDimX() const {return mHal.state.dimX;}
     74     uint32_t getDimY() const {return mHal.state.dimY;}
     75     uint32_t getDimZ() const {return mHal.state.dimZ;}
     76     bool getDimLOD() const {return mDimLOD;}
     77     bool getDimFaces() const {return mHal.state.faces;}
     78     uint32_t getDimYuv() const {return mHal.state.dimYuv;}
     79     uint32_t getArray(uint32_t idx) const {
     80         if (idx < mHal.state.arrayCount) {
     81             return mHal.state.arrays[idx];
     82         }
     83         return 0;
     84     }
     85 
     86     uint32_t getLODDimX(uint32_t lod) const {
     87         rsAssert(lod < mHal.state.lodCount);
     88         return mHal.state.lodDimX[lod];
     89     }
     90     uint32_t getLODDimY(uint32_t lod) const {
     91         rsAssert(lod < mHal.state.lodCount);
     92         return mHal.state.lodDimY[lod];
     93     }
     94     uint32_t getLODDimZ(uint32_t lod) const {
     95         rsAssert(lod < mHal.state.lodCount);
     96         return mHal.state.lodDimZ[lod];
     97     }
     98 
     99     uint32_t getLODCount() const {return mHal.state.lodCount;}
    100     bool getIsNp2() const;
    101 
    102     void clear();
    103     void compute();
    104 
    105     void dumpLOGV(const char *prefix) const;
    106     virtual void serialize(Context *rsc, OStream *stream) const;
    107     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_TYPE; }
    108     static Type *createFromStream(Context *rsc, IStream *stream);
    109 
    110     ObjectBaseRef<Type> cloneAndResize1D(Context *rsc, uint32_t dimX) const;
    111     ObjectBaseRef<Type> cloneAndResize2D(Context *rsc, uint32_t dimX, uint32_t dimY) const;
    112 
    113     static ObjectBaseRef<Type> getTypeRef(Context *rsc, const Element *e,
    114                                           const RsTypeCreateParams *params, size_t len);
    115 
    116     static Type* getType(Context *rsc, const Element *e,
    117                          const RsTypeCreateParams *params, size_t len) {
    118         ObjectBaseRef<Type> type = getTypeRef(rsc, e, params, len);
    119         type->incUserRef();
    120         return type.get();
    121     }
    122 
    123     static ObjectBaseRef<Type> getTypeRef(Context *rsc, const Element *e, uint32_t dimX, uint32_t dimY = 0) {
    124         RsTypeCreateParams p;
    125         memset(&p, 0, sizeof(p));
    126         p.dimX = dimX;
    127         p.dimY = dimY;
    128         return getTypeRef(rsc, e, &p, sizeof(p));
    129     }
    130 
    131     void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
    132     void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
    133     virtual void callUpdateCacheObject(const Context *rsc, void *dstObj) const;
    134 
    135 protected:
    136     void makeLODTable();
    137     bool mDimLOD;
    138 
    139     // Internal structure from most to least significant.
    140     // * Array dimensions
    141     // * Faces
    142     // * Mipmaps
    143     // * xyz
    144 
    145     ObjectBaseRef<const Element> mElement;
    146 
    147     // count of mipmap levels, 0 indicates no mipmapping
    148 
    149     size_t mCellCount;
    150 protected:
    151     virtual void preDestroy() const;
    152     virtual ~Type();
    153 
    154 private:
    155     explicit Type(Context *);
    156     Type(const Type &);
    157 };
    158 
    159 
    160 class TypeState {
    161 public:
    162     TypeState();
    163     ~TypeState();
    164 
    165     // Cache of all existing types.
    166     std::vector<Type *> mTypes;
    167 };
    168 
    169 
    170 } // namespace renderscript
    171 } // namespace android
    172 #endif //ANDROID_STRUCTURED_TYPE
    173