rsType.h revision b825f67adb5d1e1751fe108e6dbf9c6f2555c283 
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
80protected:
81    struct LOD {
82        size_t mX;
83        size_t mY;
84        size_t mZ;
85        size_t mOffset;
86    };
87
88    void makeLODTable();
89
90    // Internal structure from most to least significant.
91    // * Array dimensions
92    // * Faces
93    // * Mipmaps
94    // * xyz
95
96    ObjectBaseRef<const Element> mElement;
97
98    // Size of the structure in the various dimensions.  A missing Dimension is
99    // specified as a 0 and not a 1.
100    size_t mDimX;
101    size_t mDimY;
102    size_t mDimZ;
103    bool mDimLOD;
104    bool mFaces;
105
106    // A list of array dimensions.  The count is the number of array dimensions and the
107    // sizes is a per array size.
108    //Vector<size_t> mDimArraysSizes;
109
110    // count of mipmap levels, 0 indicates no mipmapping
111
112    size_t mMipChainSizeBytes;
113    size_t mTotalSizeBytes;
114    LOD *mLODs;
115    uint32_t mLODCount;
116
117    VertexArray::Attrib mAttribs[RS_MAX_ATTRIBS];
118    void makeGLComponents();
119
120private:
121    Type(const Type &);
122};
123
124
125class TypeState {
126public:
127    TypeState();
128    ~TypeState();
129
130    size_t mX;
131    size_t mY;
132    size_t mZ;
133    uint32_t mLOD;
134    bool mFaces;
135    ObjectBaseRef<const Element> mElement;
136
137
138    // Cache of all existing types.
139    Vector<Type *> mTypes;
140};
141
142
143}
144}
145#endif //ANDROID_STRUCTURED_TYPE
146