rsElement.h revision 326e0ddf89e8df2837752fbfd7a014814b32082c 
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_ELEMENT_H
18#define ANDROID_STRUCTURED_ELEMENT_H
19
20#include <utils/Vector.h>
21
22#include "rsComponent.h"
23
24// ---------------------------------------------------------------------------
25namespace android {
26namespace renderscript {
27
28
29// An element is a group of Components that occupies one cell in a structure.
30class Element : public ObjectBase
31{
32public:
33    Element(uint32_t count);
34    ~Element();
35
36
37    void setComponent(uint32_t idx, Component *c);
38
39
40
41    size_t getSizeBits() const;
42    size_t getSizeBytes() const {
43        return (getSizeBits() + 7) >> 3;
44    }
45
46    size_t getComponentOffsetBits(uint32_t componentNumber) const;
47    size_t getComponentOffsetBytes(uint32_t componentNumber) const {
48        return (getComponentOffsetBits(componentNumber) + 7) >> 3;
49    }
50
51    uint32_t getComponentCount() const {return mComponentCount;}
52    Component * getComponent(uint32_t idx) const {return mComponents[idx].get();}
53
54protected:
55    // deallocate any components that are part of this element.
56    void clear();
57
58    size_t mComponentCount;
59    ObjectBaseRef<Component> * mComponents;
60    //uint32_t *mOffsetTable;
61
62    Element();
63};
64
65
66class ElementState {
67public:
68    ElementState();
69    ~ElementState();
70
71    Vector<Element *> mAllElements;
72    Vector<Component *> mComponentBuildList;
73
74
75
76    struct Predefined {
77        Predefined() {
78            mElement = NULL;
79        }
80        Predefined(RsElementPredefined en, Element *e) {
81            mEnum = en;
82            mElement = e;
83        }
84        RsElementPredefined mEnum;
85        Element * mElement;
86    };
87    Vector<Predefined> mPredefinedList;
88
89    void initPredefined();
90
91};
92
93
94}
95}
96#endif //ANDROID_STRUCTURED_ELEMENT_H
97