rsType.h revision 96abf819e50b59ba8cf886c13f894633eb0a24ba 
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// ---------------------------------------------------------------------------
24namespace android {
25namespace renderscript {
26
27
28class Type : public ObjectBase
29{
30public:
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
75    void dumpLOGV(const char *prefix) const;
76    virtual void serialize(OStream *stream) const;
77    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_TYPE; }
78    static Type *createFromStream(Context *rsc, IStream *stream);
79
80    bool isEqual(const Type *other) const;
81
82    Type * cloneAndResize1D(Context *rsc, uint32_t dimX) const;
83    Type * cloneAndResize2D(Context *rsc, uint32_t dimX, uint32_t dimY) const;
84
85protected:
86    struct LOD {
87        size_t mX;
88        size_t mY;
89        size_t mZ;
90        size_t mOffset;
91    };
92
93    void makeLODTable();
94
95    // Internal structure from most to least significant.
96    // * Array dimensions
97    // * Faces
98    // * Mipmaps
99    // * xyz
100
101    ObjectBaseRef<const Element> mElement;
102
103    // Size of the structure in the various dimensions.  A missing Dimension is
104    // specified as a 0 and not a 1.
105    size_t mDimX;
106    size_t mDimY;
107    size_t mDimZ;
108    bool mDimLOD;
109    bool mFaces;
110
111    // A list of array dimensions.  The count is the number of array dimensions and the
112    // sizes is a per array size.
113    //Vector<size_t> mDimArraysSizes;
114
115    // count of mipmap levels, 0 indicates no mipmapping
116
117    size_t mMipChainSizeBytes;
118    size_t mTotalSizeBytes;
119    LOD *mLODs;
120    uint32_t mLODCount;
121
122    VertexArray::Attrib mAttribs[RS_MAX_ATTRIBS];
123    void makeGLComponents();
124
125private:
126    Type(const Type &);
127};
128
129
130class TypeState {
131public:
132    TypeState();
133    ~TypeState();
134
135    size_t mX;
136    size_t mY;
137    size_t mZ;
138    uint32_t mLOD;
139    bool mFaces;
140    ObjectBaseRef<const Element> mElement;
141
142
143    // Cache of all existing types.
144    Vector<Type *> mTypes;
145};
146
147
148}
149}
150#endif //ANDROID_STRUCTURED_TYPE
151