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_ANDROID_NATIVES_H
18#define ANDROID_ANDROID_NATIVES_H
19
20#include <sys/types.h>
21#include <string.h>
22
23#include <hardware/gralloc.h>
24#include <system/window.h>
25
26// ---------------------------------------------------------------------------
27
28/* FIXME: this is legacy for pixmaps */
29typedef struct egl_native_pixmap_t
30{
31    int32_t     version;    /* must be 32 */
32    int32_t     width;
33    int32_t     height;
34    int32_t     stride;
35    uint8_t*    data;
36    uint8_t     format;
37    uint8_t     rfu[3];
38    union {
39        uint32_t    compressedFormat;
40        int32_t     vstride;
41    };
42    int32_t     reserved;
43} egl_native_pixmap_t;
44
45/*****************************************************************************/
46
47#ifdef __cplusplus
48
49#include <utils/RefBase.h>
50
51namespace android {
52
53/*
54 * This helper class turns a ANativeXXX object type into a C++
55 * reference-counted object; with proper type conversions.
56 */
57template <typename NATIVE_TYPE, typename TYPE, typename REF>
58class ANativeObjectBase : public NATIVE_TYPE, public REF
59{
60public:
61    // Disambiguate between the incStrong in REF and NATIVE_TYPE
62    void incStrong(const void* id) const {
63        REF::incStrong(id);
64    }
65    void decStrong(const void* id) const {
66        REF::decStrong(id);
67    }
68
69protected:
70    typedef ANativeObjectBase<NATIVE_TYPE, TYPE, REF> BASE;
71    ANativeObjectBase() : NATIVE_TYPE(), REF() {
72        NATIVE_TYPE::common.incRef = incRef;
73        NATIVE_TYPE::common.decRef = decRef;
74    }
75    static inline TYPE* getSelf(NATIVE_TYPE* self) {
76        return static_cast<TYPE*>(self);
77    }
78    static inline TYPE const* getSelf(NATIVE_TYPE const* self) {
79        return static_cast<TYPE const *>(self);
80    }
81    static inline TYPE* getSelf(android_native_base_t* base) {
82        return getSelf(reinterpret_cast<NATIVE_TYPE*>(base));
83    }
84    static inline TYPE const * getSelf(android_native_base_t const* base) {
85        return getSelf(reinterpret_cast<NATIVE_TYPE const*>(base));
86    }
87    static void incRef(android_native_base_t* base) {
88        ANativeObjectBase* self = getSelf(base);
89        self->incStrong(self);
90    }
91    static void decRef(android_native_base_t* base) {
92        ANativeObjectBase* self = getSelf(base);
93        self->decStrong(self);
94    }
95};
96
97} // namespace android
98#endif // __cplusplus
99
100/*****************************************************************************/
101
102#endif /* ANDROID_ANDROID_NATIVES_H */
103