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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_STRUCTURED_TYPE_H
     18 #define ANDROID_STRUCTURED_TYPE_H
     19 
     20 #include "rsElement.h"
     21 #include "rsVertexArray.h"
     22 
     23 // ---------------------------------------------------------------------------
     24 namespace android {
     25 namespace renderscript {
     26 
     27 
     28 class Type : public ObjectBase
     29 {
     30 public:
     31     Type(Context *);
     32     virtual ~Type();
     33 
     34     Type * createTex2D(const Element *, size_t w, size_t h, bool mip);
     35 
     36 
     37     size_t getOffsetForFace(uint32_t face) const;
     38 
     39     size_t getSizeBytes() const {return mTotalSizeBytes;}
     40     size_t getElementSizeBytes() const {return mElement->getSizeBytes();}
     41     const Element * getElement() const {return mElement.get();}
     42 
     43     uint32_t getDimX() const {return mDimX;}
     44     uint32_t getDimY() const {return mDimY;}
     45     uint32_t getDimZ() const {return mDimZ;}
     46     uint32_t getDimLOD() const {return mDimLOD;}
     47     bool getDimFaces() const {return mFaces;}
     48 
     49     uint32_t getLODDimX(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mX;}
     50     uint32_t getLODDimY(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mY;}
     51     uint32_t getLODDimZ(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mZ;}
     52     uint32_t getLODOffset(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mOffset;}
     53 
     54     uint32_t getLODOffset(uint32_t lod, uint32_t x) const;
     55     uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const;
     56     uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const;
     57 
     58     uint32_t getLODCount() const {return mLODCount;}
     59     bool getIsNp2() const;
     60 
     61 
     62     void setElement(const Element *e) {mElement.set(e);}
     63     void setDimX(uint32_t v) {mDimX = v;}
     64     void setDimY(uint32_t v) {mDimY = v;}
     65     void setDimZ(uint32_t v) {mDimZ = v;}
     66     void setDimFaces(bool v) {mFaces = v;}
     67     void setDimLOD(bool v) {mDimLOD = v;}
     68 
     69 
     70     void clear();
     71     void compute();
     72 
     73     void enableGLVertexBuffer(class VertexArray *) const;
     74     void enableGLVertexBuffer2(class VertexArray *) const;
     75 
     76     void dumpLOGV(const char *prefix) const;
     77 
     78 protected:
     79     struct LOD {
     80         size_t mX;
     81         size_t mY;
     82         size_t mZ;
     83         size_t mOffset;
     84     };
     85 
     86     void makeLODTable();
     87 
     88     // Internal structure from most to least significant.
     89     // * Array dimensions
     90     // * Faces
     91     // * Mipmaps
     92     // * xyz
     93 
     94     ObjectBaseRef<const Element> mElement;
     95 
     96     // Size of the structure in the various dimensions.  A missing Dimension is
     97     // specified as a 0 and not a 1.
     98     size_t mDimX;
     99     size_t mDimY;
    100     size_t mDimZ;
    101     bool mDimLOD;
    102     bool mFaces;
    103 
    104     // A list of array dimensions.  The count is the number of array dimensions and the
    105     // sizes is a per array size.
    106     //Vector<size_t> mDimArraysSizes;
    107 
    108     // count of mipmap levels, 0 indicates no mipmapping
    109 
    110     size_t mMipChainSizeBytes;
    111     size_t mTotalSizeBytes;
    112     LOD *mLODs;
    113     uint32_t mLODCount;
    114 
    115     struct GLState_t {
    116         VertexArray::Attrib mUser[RS_MAX_ATTRIBS];
    117         VertexArray::Attrib mVtx;
    118         VertexArray::Attrib mNorm;
    119         VertexArray::Attrib mColor;
    120         VertexArray::Attrib mTex;
    121         VertexArray::Attrib mPointSize;
    122     };
    123     GLState_t mGL;
    124     void makeGLComponents();
    125 
    126 private:
    127     Type(const Type &);
    128 };
    129 
    130 
    131 class TypeState {
    132 public:
    133     TypeState();
    134     ~TypeState();
    135 
    136     size_t mX;
    137     size_t mY;
    138     size_t mZ;
    139     uint32_t mLOD;
    140     bool mFaces;
    141     ObjectBaseRef<const Element> mElement;
    142 
    143 
    144     // Cache of all existing types.
    145     Vector<Type *> mTypes;
    146 };
    147 
    148 
    149 }
    150 }
    151 #endif //ANDROID_STRUCTURED_TYPE
    152