c1fcb010d7
Bug: 37794556 Test: sensor vts passes on 2016 and 2017 devices Change-Id: Ibe1d076c24dc2cfe61dfd19aa5055c9075aa9e14 Merged-In: Ibe1d076c24dc2cfe61dfd19aa5055c9075aa9e14
80 lines
2.9 KiB
C++
80 lines
2.9 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 GRALLO_WRAPPER_H_
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#define GRALLO_WRAPPER_H_
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#include <unordered_set>
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#include <android/hardware/graphics/allocator/2.0/IAllocator.h>
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#include <android/hardware/graphics/mapper/2.0/IMapper.h>
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namespace allocator2 = ::android::hardware::graphics::allocator::V2_0;
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namespace mapper2 = ::android::hardware::graphics::mapper::V2_0;
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namespace android {
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// Modified from hardware/interfaces/graphics/mapper/2.0/vts/functional/
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class GrallocWrapper {
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public:
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GrallocWrapper();
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~GrallocWrapper();
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sp<allocator2::IAllocator> getAllocator() const;
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sp<mapper2::IMapper> getMapper() const;
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std::string dumpDebugInfo();
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// When import is false, this simply calls IAllocator::allocate. When import
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// is true, the returned buffers are also imported into the mapper.
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//
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// Either case, the returned buffers must be freed with freeBuffer.
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std::vector<const native_handle_t*> allocate(
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const mapper2::BufferDescriptor& descriptor, uint32_t count, bool import = true,
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uint32_t* outStride = nullptr);
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const native_handle_t* allocate(
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const mapper2::IMapper::BufferDescriptorInfo& descriptorInfo, bool import = true,
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uint32_t* outStride = nullptr);
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mapper2::BufferDescriptor createDescriptor(
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const mapper2::IMapper::BufferDescriptorInfo& descriptorInfo);
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const native_handle_t* importBuffer(const hardware::hidl_handle& rawHandle);
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void freeBuffer(const native_handle_t* bufferHandle);
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// We use fd instead of hardware::hidl_handle in these functions to pass fences
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// in and out of the mapper. The ownership of the fd is always transferred
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// with each of these functions.
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void* lock(const native_handle_t* bufferHandle, uint64_t cpuUsage,
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const mapper2::IMapper::Rect& accessRegion, int acquireFence);
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int unlock(const native_handle_t* bufferHandle);
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private:
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void init();
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const native_handle_t* cloneBuffer(const hardware::hidl_handle& rawHandle);
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sp<allocator2::IAllocator> mAllocator;
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sp<mapper2::IMapper> mMapper;
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// Keep track of all cloned and imported handles. When a test fails with
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// ASSERT_*, the destructor will free the handles for the test.
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std::unordered_set<const native_handle_t*> mClonedBuffers;
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std::unordered_set<const native_handle_t*> mImportedBuffers;
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};
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} // namespace android
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#endif // GRALLO_WRAPPER_H_
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