1 /*
2 * Copyright (C) 2017 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_HARDWARE_HARDWAREBUFFER_H
18 #define _ANDROID_HARDWARE_HARDWAREBUFFER_H
19
20 #include <android/hardware_buffer.h>
21
22 #include "jni.h"
23
24 namespace android {
25
26 /* Gets the underlying AHardwareBuffer for a HardwareBuffer. */
27 extern AHardwareBuffer* android_hardware_HardwareBuffer_getNativeHardwareBuffer(
28 JNIEnv* env, jobject hardwareBufferObj);
29
30 /* Returns a HardwareBuffer wrapper for the underlying AHardwareBuffer. */
31 extern jobject android_hardware_HardwareBuffer_createFromAHardwareBuffer(
32 JNIEnv* env, AHardwareBuffer* hardwareBuffer);
33
34 /* Convert from HAL_PIXEL_FORMAT values to AHARDWAREBUFFER_FORMAT values. */
35 extern uint32_t android_hardware_HardwareBuffer_convertFromPixelFormat(uint32_t format);
36
37 /* Convert from AHARDWAREBUFFER_FORMAT values to HAL_PIXEL_FORMAT values. */
38 extern uint32_t android_hardware_HardwareBuffer_convertToPixelFormat(uint32_t format);
39
40 /* Convert from AHARDWAREBUFFER_USAGE* flags to to gralloc usage flags. */
41 extern uint64_t android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t usage);
42
android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t * outProducerUsage,uint64_t * outConsumerUsage,uint64_t usage,uint64_t)43 inline void android_hardware_HardwareBuffer_convertToGrallocUsageBits(
44 uint64_t* outProducerUsage, uint64_t* outConsumerUsage, uint64_t usage, uint64_t) {
45 outProducerUsage[0] = outConsumerUsage[0] =
46 android_hardware_HardwareBuffer_convertToGrallocUsageBits(usage);
47 }
48
49 } // namespace android
50
51 #endif // _ANDROID_HARDWARE_HARDWAREBUFFER_H
52