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47 lines
2.3 KiB
47 lines
2.3 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_PRIVATE_NATIVE_AHARDWARE_BUFFER_HELPERS_H
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#define ANDROID_PRIVATE_NATIVE_AHARDWARE_BUFFER_HELPERS_H
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/*
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* This file contains utility functions related to AHardwareBuffer, mostly to
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* convert to/from HAL formats.
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*
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* These are PRIVATE methods, so this file can NEVER appear in a public NDK
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* header. They are used by higher level libraries such as core/jni.
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*/
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#include <stdint.h>
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struct AHardwareBuffer;
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struct ANativeWindowBuffer;
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namespace android {
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// whether this AHardwareBuffer format is valid
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bool AHardwareBuffer_isValidPixelFormat(uint32_t ahardwarebuffer_format);
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// convert AHardwareBuffer format to HAL format (note: this is a no-op)
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uint32_t AHardwareBuffer_convertFromPixelFormat(uint32_t format);
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// convert HAL format to AHardwareBuffer format (note: this is a no-op)
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uint32_t AHardwareBuffer_convertToPixelFormat(uint32_t format);
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// convert AHardwareBuffer usage bits to HAL usage bits (note: this is a no-op)
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uint64_t AHardwareBuffer_convertFromGrallocUsageBits(uint64_t usage);
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// convert HAL usage bits to AHardwareBuffer usage bits (note: this is a no-op)
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uint64_t AHardwareBuffer_convertToGrallocUsageBits(uint64_t usage);
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class GraphicBuffer;
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const GraphicBuffer* AHardwareBuffer_to_GraphicBuffer(const AHardwareBuffer* buffer);
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GraphicBuffer* AHardwareBuffer_to_GraphicBuffer(AHardwareBuffer* buffer);
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const ANativeWindowBuffer* AHardwareBuffer_to_ANativeWindowBuffer(const AHardwareBuffer* buffer);
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ANativeWindowBuffer* AHardwareBuffer_to_ANativeWindowBuffer(AHardwareBuffer* buffer);
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AHardwareBuffer* AHardwareBuffer_from_GraphicBuffer(GraphicBuffer* buffer);
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} // namespace android
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#endif // ANDROID_PRIVATE_NATIVE_AHARDWARE_BUFFER_HELPERS_H
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