rsElement.h revision 565ac36ee479f9d7b83e2030ac9646a09cb886a1 
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    uint32_t getGLType() const;
40    uint32_t getGLFormat() const;
41
42
43    size_t getSizeBits() const;
44    size_t getSizeBytes() const {
45        return (getSizeBits() + 7) >> 3;
46    }
47
48    size_t getComponentOffsetBits(uint32_t componentNumber) const;
49    size_t getComponentOffsetBytes(uint32_t componentNumber) const {
50        return (getComponentOffsetBits(componentNumber) + 7) >> 3;
51    }
52
53    uint32_t getComponentCount() const {return mComponentCount;}
54    Component * getComponent(uint32_t idx) const {return mComponents[idx].get();}
55
56protected:
57    // deallocate any components that are part of this element.
58    void clear();
59
60    size_t mComponentCount;
61    ObjectBaseRef<Component> * mComponents;
62    //uint32_t *mOffsetTable;
63
64    Element();
65};
66
67
68class ElementState {
69public:
70    ElementState();
71    ~ElementState();
72
73    Vector<Element *> mAllElements;
74    Vector<Component *> mComponentBuildList;
75
76
77
78    struct Predefined {
79        Predefined() {
80            mElement = NULL;
81        }
82        Predefined(RsElementPredefined en, Element *e) {
83            mEnum = en;
84            mElement = e;
85        }
86        RsElementPredefined mEnum;
87        Element * mElement;
88    };
89    Vector<Predefined> mPredefinedList;
90
91    void initPredefined();
92
93};
94
95
96}
97}
98#endif //ANDROID_STRUCTURED_ELEMENT_H
99