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