rsType.h revision 383e5b1f68c321a77bfd7466fa1171a9bfab4a6f 
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
82protected:
83    struct LOD {
84        size_t mX;
85        size_t mY;
86        size_t mZ;
87        size_t mOffset;
88    };
89
90    void makeLODTable();
91
92    // Internal structure from most to least significant.
93    // * Array dimensions
94    // * Faces
95    // * Mipmaps
96    // * xyz
97
98    ObjectBaseRef<const Element> mElement;
99
100    // Size of the structure in the various dimensions.  A missing Dimension is
101    // specified as a 0 and not a 1.
102    size_t mDimX;
103    size_t mDimY;
104    size_t mDimZ;
105    bool mDimLOD;
106    bool mFaces;
107
108    // A list of array dimensions.  The count is the number of array dimensions and the
109    // sizes is a per array size.
110    //Vector<size_t> mDimArraysSizes;
111
112    // count of mipmap levels, 0 indicates no mipmapping
113
114    size_t mMipChainSizeBytes;
115    size_t mTotalSizeBytes;
116    LOD *mLODs;
117    uint32_t mLODCount;
118
119    VertexArray::Attrib mAttribs[RS_MAX_ATTRIBS];
120    void makeGLComponents();
121
122private:
123    Type(const Type &);
124};
125
126
127class TypeState {
128public:
129    TypeState();
130    ~TypeState();
131
132    size_t mX;
133    size_t mY;
134    size_t mZ;
135    uint32_t mLOD;
136    bool mFaces;
137    ObjectBaseRef<const Element> mElement;
138
139
140    // Cache of all existing types.
141    Vector<Type *> mTypes;
142};
143
144
145}
146}
147#endif //ANDROID_STRUCTURED_TYPE
148