96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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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 CAMERA_COMMON_1_0_HANDLEIMPORTED_H
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#define CAMERA_COMMON_1_0_HANDLEIMPORTED_H
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#include <android/hardware/graphics/mapper/2.0/IMapper.h>
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#include <android/hardware/graphics/mapper/3.0/IMapper.h>
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#include <android/hardware/graphics/mapper/4.0/IMapper.h>
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#include <cutils/native_handle.h>
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#include <utils/Mutex.h>
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using android::hardware::graphics::mapper::V2_0::IMapper;
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using android::hardware::graphics::mapper::V2_0::YCbCrLayout;
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namespace android {
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namespace hardware {
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namespace camera {
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namespace common {
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namespace V1_0 {
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namespace helper {
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// Borrowed from graphics HAL. Use this until gralloc mapper HAL is working
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class HandleImporter {
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public:
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HandleImporter();
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// In IComposer, any buffer_handle_t is owned by the caller and we need to
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// make a clone for hwcomposer2. We also need to translate empty handle
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// to nullptr. This function does that, in-place.
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bool importBuffer(buffer_handle_t& handle);
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void freeBuffer(buffer_handle_t handle);
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bool importFence(const native_handle_t* handle, int& fd) const;
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void closeFence(int fd) const;
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// Locks 1-D buffer. Assumes caller has waited for acquire fences.
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void* lock(buffer_handle_t& buf, uint64_t cpuUsage, size_t size);
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// Locks 2-D buffer. Assumes caller has waited for acquire fences.
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void* lock(buffer_handle_t& buf, uint64_t cpuUsage, const IMapper::Rect& accessRegion);
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// Assumes caller has waited for acquire fences.
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YCbCrLayout lockYCbCr(buffer_handle_t& buf, uint64_t cpuUsage,
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const IMapper::Rect& accessRegion);
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// Query the stride of the first plane in bytes.
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status_t getMonoPlanarStrideBytes(buffer_handle_t& buf, uint32_t* stride /*out*/);
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int unlock(buffer_handle_t& buf); // returns release fence
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// Query Gralloc4 metadata
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bool isSmpte2086Present(const buffer_handle_t& buf);
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bool isSmpte2094_10Present(const buffer_handle_t& buf);
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bool isSmpte2094_40Present(const buffer_handle_t& buf);
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private:
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void initializeLocked();
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void cleanup();
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template<class M, class E>
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bool importBufferInternal(const sp<M> mapper, buffer_handle_t& handle);
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template<class M, class E>
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YCbCrLayout lockYCbCrInternal(const sp<M> mapper, buffer_handle_t& buf, uint64_t cpuUsage,
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const IMapper::Rect& accessRegion);
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template<class M, class E>
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int unlockInternal(const sp<M> mapper, buffer_handle_t& buf);
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Mutex mLock;
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bool mInitialized;
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sp<IMapper> mMapperV2;
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sp<graphics::mapper::V3_0::IMapper> mMapperV3;
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sp<graphics::mapper::V4_0::IMapper> mMapperV4;
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};
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} // namespace helper
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} // namespace V1_0
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} // namespace common
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} // namespace camera
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} // namespace hardware
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} // namespace android
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#endif // CAMERA_COMMON_1_0_HANDLEIMPORTED_H
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