rsType.h revision e514b45de8561fbc6ef6770845102ca10b0a69d7 
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
22// ---------------------------------------------------------------------------
23namespace android {
24namespace renderscript {
25
26
27class Type : public ObjectBase
28{
29public:
30    Type(Context *);
31    virtual ~Type();
32
33    Type * createTex2D(const Element *, size_t w, size_t h, bool mip);
34
35
36    size_t getOffsetForFace(uint32_t face) const;
37
38    size_t getSizeBytes() const {return mTotalSizeBytes;}
39    size_t getElementSizeBytes() const {return mElement->getSizeBytes();}
40    const Element * getElement() const {return mElement.get();}
41
42    uint32_t getDimX() const {return mDimX;}
43    uint32_t getDimY() const {return mDimY;}
44    uint32_t getDimZ() const {return mDimZ;}
45    uint32_t getDimLOD() const {return mDimLOD;}
46    bool getDimFaces() const {return mFaces;}
47
48    uint32_t getLODDimX(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mX;}
49    uint32_t getLODDimY(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mY;}
50    uint32_t getLODDimZ(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mZ;}
51    uint32_t getLODOffset(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mOffset;}
52
53    uint32_t getLODOffset(uint32_t lod, uint32_t x) const;
54    uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const;
55    uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const;
56
57    uint32_t getLODCount() const {return mLODCount;}
58
59
60    void setElement(const Element *e) {mElement.set(e);}
61    void setDimX(uint32_t v) {mDimX = v;}
62    void setDimY(uint32_t v) {mDimY = v;}
63    void setDimZ(uint32_t v) {mDimZ = v;}
64    void setDimFaces(bool v) {mFaces = v;}
65    void setDimLOD(bool v) {mDimLOD = v;}
66
67    void clear();
68    void compute();
69
70    void enableGLVertexBuffer() const;
71
72
73protected:
74    struct LOD {
75        size_t mX;
76        size_t mY;
77        size_t mZ;
78        size_t mOffset;
79    };
80
81    void makeLODTable();
82
83    // Internal structure from most to least significant.
84    // * Array dimensions
85    // * Faces
86    // * Mipmaps
87    // * xyz
88
89    ObjectBaseRef<const Element> mElement;
90
91    // Size of the structure in the various dimensions.  A missing Dimension is
92    // specified as a 0 and not a 1.
93    size_t mDimX;
94    size_t mDimY;
95    size_t mDimZ;
96    bool mDimLOD;
97    bool mFaces;
98
99    // A list of array dimensions.  The count is the number of array dimensions and the
100    // sizes is a per array size.
101    //Vector<size_t> mDimArraysSizes;
102
103    // count of mipmap levels, 0 indicates no mipmapping
104
105    size_t mMipChainSizeBytes;
106    size_t mTotalSizeBytes;
107    LOD *mLODs;
108    uint32_t mLODCount;
109
110    struct VertexComponent_t {
111        uint32_t offset;
112        uint32_t type;
113        uint32_t size;
114        uint32_t stride;
115    };
116    struct GLState_t {
117        VertexComponent_t mVtx;
118        VertexComponent_t mNorm;
119        VertexComponent_t mColor;
120        VertexComponent_t mTex[RS_MAX_TEXTURE];
121        VertexComponent_t mPointSize;
122    };
123    GLState_t mGL;
124    void makeGLComponents();
125
126private:
127    Type(const Type &);
128};
129
130
131class TypeState {
132public:
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    ObjectBaseRef<const Type> mIndexType;
144    ObjectBaseRef<const Type> mPrimitiveType;
145    ObjectBaseRef<const Type> *mVertexTypes;
146
147
148};
149
150
151}
152}
153#endif //ANDROID_STRUCTURED_TYPE
154