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 #include <ui/GraphicBuffer.h>
22
23 #include "jni.h"
24
25 namespace android {
26
27 /* Gets the underlying AHardwareBuffer for a HardwareBuffer. */
28 extern AHardwareBuffer* android_hardware_HardwareBuffer_getNativeHardwareBuffer(
29 JNIEnv* env, jobject hardwareBufferObj);
30
31 /* Gets the underlying GraphicBuffer for a HardwareBuffer. */
32 extern GraphicBuffer* android_hardware_HardwareBuffer_getNativeGraphicBuffer(
33 JNIEnv* env, jobject hardwareBufferObj);
34
35 /* Returns a HardwareBuffer wrapper for the underlying AHardwareBuffer. */
36 extern jobject android_hardware_HardwareBuffer_createFromAHardwareBuffer(
37 JNIEnv* env, AHardwareBuffer* hardwareBuffer);
38
39 /* Convert from HAL_PIXEL_FORMAT values to AHARDWAREBUFFER_FORMAT values. */
40 extern uint32_t android_hardware_HardwareBuffer_convertFromPixelFormat(uint32_t format);
41
42 /* Convert from AHARDWAREBUFFER_FORMAT values to HAL_PIXEL_FORMAT values. */
43 extern uint32_t android_hardware_HardwareBuffer_convertToPixelFormat(uint32_t format);
44
45 /* Convert from AHARDWAREBUFFER_USAGE* flags to to gralloc usage flags. */
46 extern uint64_t android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t usage);
47
android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t * outProducerUsage,uint64_t * outConsumerUsage,uint64_t usage,uint64_t)48 inline void android_hardware_HardwareBuffer_convertToGrallocUsageBits(
49 uint64_t* outProducerUsage, uint64_t* outConsumerUsage, uint64_t usage, uint64_t) {
50 outProducerUsage[0] = outConsumerUsage[0] =
51 android_hardware_HardwareBuffer_convertToGrallocUsageBits(usage);
52 }
53
54 } // namespace android
55
56 #endif // _ANDROID_HARDWARE_HARDWAREBUFFER_H
57