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