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 */ 27 typedef 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 49 namespace android { 50 51 /* 52 * This helper class turns a ANativeXXX object type into a C++ 53 * reference-counted object; with proper type conversions. 54 */ 55 template <typename NATIVE_TYPE, typename TYPE, typename REF> 56 class ANativeObjectBase : public NATIVE_TYPE, public REF 57 { 58 public: 59 // Disambiguate between the incStrong in REF and NATIVE_TYPE incStrong(const void * id)60 void incStrong(const void* id) const { 61 REF::incStrong(id); 62 } decStrong(const void * id)63 void decStrong(const void* id) const { 64 REF::decStrong(id); 65 } 66 67 protected: 68 typedef ANativeObjectBase<NATIVE_TYPE, TYPE, REF> BASE; ANativeObjectBase()69 ANativeObjectBase() : NATIVE_TYPE(), REF() { 70 NATIVE_TYPE::common.incRef = incRef; 71 NATIVE_TYPE::common.decRef = decRef; 72 } getSelf(NATIVE_TYPE * self)73 static inline TYPE* getSelf(NATIVE_TYPE* self) { 74 return static_cast<TYPE*>(self); 75 } getSelf(NATIVE_TYPE const * self)76 static inline TYPE const* getSelf(NATIVE_TYPE const* self) { 77 return static_cast<TYPE const *>(self); 78 } getSelf(android_native_base_t * base)79 static inline TYPE* getSelf(android_native_base_t* base) { 80 return getSelf(reinterpret_cast<NATIVE_TYPE*>(base)); 81 } getSelf(android_native_base_t const * base)82 static inline TYPE const * getSelf(android_native_base_t const* base) { 83 return getSelf(reinterpret_cast<NATIVE_TYPE const*>(base)); 84 } incRef(android_native_base_t * base)85 static void incRef(android_native_base_t* base) { 86 ANativeObjectBase* self = getSelf(base); 87 self->incStrong(self); 88 } decRef(android_native_base_t * base)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