mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-01 16:50:18 +00:00
429 lines
14 KiB
C++
429 lines
14 KiB
C++
/*
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* Copyright 2016 The Android Open Source Project
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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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#define LOG_TAG "GrallocMapperPassthrough"
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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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#include <hardware/gralloc1.h>
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#include <log/log.h>
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#include <unordered_set>
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namespace android {
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namespace hardware {
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namespace graphics {
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namespace mapper {
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namespace V2_0 {
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namespace implementation {
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using Capability = allocator::V2_0::IAllocator::Capability;
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class GrallocDevice : public Device {
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public:
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GrallocDevice();
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~GrallocDevice();
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// IMapper interface
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Error retain(const native_handle_t* bufferHandle);
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Error release(const native_handle_t* bufferHandle);
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Error getDimensions(const native_handle_t* bufferHandle,
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uint32_t* outWidth, uint32_t* outHeight);
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Error getFormat(const native_handle_t* bufferHandle,
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PixelFormat* outFormat);
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Error getLayerCount(const native_handle_t* bufferHandle,
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uint32_t* outLayerCount);
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Error getProducerUsageMask(const native_handle_t* bufferHandle,
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uint64_t* outUsageMask);
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Error getConsumerUsageMask(const native_handle_t* bufferHandle,
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uint64_t* outUsageMask);
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Error getBackingStore(const native_handle_t* bufferHandle,
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BackingStore* outStore);
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Error getStride(const native_handle_t* bufferHandle, uint32_t* outStride);
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Error getNumFlexPlanes(const native_handle_t* bufferHandle,
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uint32_t* outNumPlanes);
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Error lock(const native_handle_t* bufferHandle,
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uint64_t producerUsageMask, uint64_t consumerUsageMask,
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const Rect* accessRegion, int32_t acquireFence, void** outData);
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Error lockFlex(const native_handle_t* bufferHandle,
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uint64_t producerUsageMask, uint64_t consumerUsageMask,
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const Rect* accessRegion, int32_t acquireFence,
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FlexLayout* outFlexLayout);
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Error unlock(const native_handle_t* bufferHandle,
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int32_t* outReleaseFence);
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private:
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void initCapabilities();
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void initDispatch();
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bool hasCapability(Capability capability) const;
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gralloc1_device_t* mDevice;
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std::unordered_set<Capability> mCapabilities;
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struct {
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GRALLOC1_PFN_RETAIN retain;
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GRALLOC1_PFN_RELEASE release;
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GRALLOC1_PFN_GET_DIMENSIONS getDimensions;
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GRALLOC1_PFN_GET_FORMAT getFormat;
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GRALLOC1_PFN_GET_LAYER_COUNT getLayerCount;
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GRALLOC1_PFN_GET_PRODUCER_USAGE getProducerUsage;
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GRALLOC1_PFN_GET_CONSUMER_USAGE getConsumerUsage;
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GRALLOC1_PFN_GET_BACKING_STORE getBackingStore;
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GRALLOC1_PFN_GET_STRIDE getStride;
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GRALLOC1_PFN_GET_NUM_FLEX_PLANES getNumFlexPlanes;
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GRALLOC1_PFN_LOCK lock;
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GRALLOC1_PFN_LOCK_FLEX lockFlex;
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GRALLOC1_PFN_UNLOCK unlock;
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} mDispatch;
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};
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GrallocDevice::GrallocDevice()
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{
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const hw_module_t* module;
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int status = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
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if (status) {
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LOG_ALWAYS_FATAL("failed to get gralloc module");
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}
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uint8_t major = (module->module_api_version >> 8) & 0xff;
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if (major != 1) {
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LOG_ALWAYS_FATAL("unknown gralloc module major version %d", major);
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}
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status = gralloc1_open(module, &mDevice);
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if (status) {
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LOG_ALWAYS_FATAL("failed to open gralloc1 device");
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}
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initCapabilities();
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initDispatch();
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}
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GrallocDevice::~GrallocDevice()
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{
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gralloc1_close(mDevice);
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}
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void GrallocDevice::initCapabilities()
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{
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uint32_t count;
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mDevice->getCapabilities(mDevice, &count, nullptr);
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std::vector<Capability> caps(count);
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mDevice->getCapabilities(mDevice, &count, reinterpret_cast<
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std::underlying_type<Capability>::type*>(caps.data()));
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caps.resize(count);
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mCapabilities.insert(caps.cbegin(), caps.cend());
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}
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void GrallocDevice::initDispatch()
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{
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#define CHECK_FUNC(func, desc) do { \
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mDispatch.func = reinterpret_cast<decltype(mDispatch.func)>( \
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mDevice->getFunction(mDevice, desc)); \
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if (!mDispatch.func) { \
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LOG_ALWAYS_FATAL("failed to get gralloc1 function %d", desc); \
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} \
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} while (0)
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CHECK_FUNC(retain, GRALLOC1_FUNCTION_RETAIN);
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CHECK_FUNC(release, GRALLOC1_FUNCTION_RELEASE);
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CHECK_FUNC(getDimensions, GRALLOC1_FUNCTION_GET_DIMENSIONS);
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CHECK_FUNC(getFormat, GRALLOC1_FUNCTION_GET_FORMAT);
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if (hasCapability(Capability::LAYERED_BUFFERS)) {
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CHECK_FUNC(getLayerCount, GRALLOC1_FUNCTION_GET_LAYER_COUNT);
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}
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CHECK_FUNC(getProducerUsage, GRALLOC1_FUNCTION_GET_PRODUCER_USAGE);
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CHECK_FUNC(getConsumerUsage, GRALLOC1_FUNCTION_GET_CONSUMER_USAGE);
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CHECK_FUNC(getBackingStore, GRALLOC1_FUNCTION_GET_BACKING_STORE);
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CHECK_FUNC(getStride, GRALLOC1_FUNCTION_GET_STRIDE);
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CHECK_FUNC(getNumFlexPlanes, GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES);
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CHECK_FUNC(lock, GRALLOC1_FUNCTION_LOCK);
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CHECK_FUNC(lockFlex, GRALLOC1_FUNCTION_LOCK_FLEX);
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CHECK_FUNC(unlock, GRALLOC1_FUNCTION_UNLOCK);
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#undef CHECK_FUNC
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}
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bool GrallocDevice::hasCapability(Capability capability) const
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{
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return (mCapabilities.count(capability) > 0);
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}
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Error GrallocDevice::retain(const native_handle_t* bufferHandle)
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{
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int32_t error = mDispatch.retain(mDevice, bufferHandle);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::release(const native_handle_t* bufferHandle)
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{
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int32_t error = mDispatch.release(mDevice, bufferHandle);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getDimensions(const native_handle_t* bufferHandle,
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uint32_t* outWidth, uint32_t* outHeight)
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{
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int32_t error = mDispatch.getDimensions(mDevice, bufferHandle,
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outWidth, outHeight);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getFormat(const native_handle_t* bufferHandle,
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PixelFormat* outFormat)
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{
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int32_t error = mDispatch.getFormat(mDevice, bufferHandle,
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reinterpret_cast<int32_t*>(outFormat));
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getLayerCount(const native_handle_t* bufferHandle,
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uint32_t* outLayerCount)
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{
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if (hasCapability(Capability::LAYERED_BUFFERS)) {
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int32_t error = mDispatch.getLayerCount(mDevice, bufferHandle,
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outLayerCount);
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return static_cast<Error>(error);
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} else {
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*outLayerCount = 1;
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return Error::NONE;
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}
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}
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Error GrallocDevice::getProducerUsageMask(const native_handle_t* bufferHandle,
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uint64_t* outUsageMask)
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{
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int32_t error = mDispatch.getProducerUsage(mDevice, bufferHandle,
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outUsageMask);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getConsumerUsageMask(const native_handle_t* bufferHandle,
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uint64_t* outUsageMask)
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{
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int32_t error = mDispatch.getConsumerUsage(mDevice, bufferHandle,
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outUsageMask);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getBackingStore(const native_handle_t* bufferHandle,
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BackingStore* outStore)
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{
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int32_t error = mDispatch.getBackingStore(mDevice, bufferHandle,
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outStore);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getStride(const native_handle_t* bufferHandle,
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uint32_t* outStride)
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{
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int32_t error = mDispatch.getStride(mDevice, bufferHandle, outStride);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::getNumFlexPlanes(const native_handle_t* bufferHandle,
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uint32_t* outNumPlanes)
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{
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int32_t error = mDispatch.getNumFlexPlanes(mDevice, bufferHandle,
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outNumPlanes);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::lock(const native_handle_t* bufferHandle,
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uint64_t producerUsageMask, uint64_t consumerUsageMask,
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const Rect* accessRegion, int32_t acquireFence,
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void** outData)
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{
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int32_t error = mDispatch.lock(mDevice, bufferHandle,
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producerUsageMask, consumerUsageMask,
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reinterpret_cast<const gralloc1_rect_t*>(accessRegion),
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outData, acquireFence);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::lockFlex(const native_handle_t* bufferHandle,
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uint64_t producerUsageMask, uint64_t consumerUsageMask,
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const Rect* accessRegion, int32_t acquireFence,
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FlexLayout* outFlexLayout)
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{
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int32_t error = mDispatch.lockFlex(mDevice, bufferHandle,
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producerUsageMask, consumerUsageMask,
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reinterpret_cast<const gralloc1_rect_t*>(accessRegion),
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reinterpret_cast<android_flex_layout_t*>(outFlexLayout),
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acquireFence);
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return static_cast<Error>(error);
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}
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Error GrallocDevice::unlock(const native_handle_t* bufferHandle,
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int32_t* outReleaseFence)
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{
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int32_t error = mDispatch.unlock(mDevice, bufferHandle, outReleaseFence);
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return static_cast<Error>(error);
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}
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class GrallocMapper : public IMapper {
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public:
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GrallocMapper() : IMapper{
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.createDevice = createDevice,
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.destroyDevice = destroyDevice,
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.retain = retain,
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.release = release,
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.getDimensions = getDimensions,
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.getFormat = getFormat,
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.getLayerCount = getLayerCount,
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.getProducerUsageMask = getProducerUsageMask,
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.getConsumerUsageMask = getConsumerUsageMask,
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.getBackingStore = getBackingStore,
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.getStride = getStride,
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.getNumFlexPlanes = getNumFlexPlanes,
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.lock = lock,
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.lockFlex = lockFlex,
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.unlock = unlock,
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} {}
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const IMapper* getInterface() const
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{
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return static_cast<const IMapper*>(this);
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}
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private:
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static GrallocDevice* cast(Device* device)
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{
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return reinterpret_cast<GrallocDevice*>(device);
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}
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static Error createDevice(Device** outDevice)
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{
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*outDevice = new GrallocDevice;
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return Error::NONE;
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}
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static Error destroyDevice(Device* device)
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{
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delete cast(device);
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return Error::NONE;
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}
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static Error retain(Device* device,
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const native_handle_t* bufferHandle)
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{
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return cast(device)->retain(bufferHandle);
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}
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static Error release(Device* device,
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const native_handle_t* bufferHandle)
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{
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return cast(device)->release(bufferHandle);
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}
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static Error getDimensions(Device* device,
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const native_handle_t* bufferHandle,
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uint32_t* outWidth, uint32_t* outHeight)
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{
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return cast(device)->getDimensions(bufferHandle, outWidth, outHeight);
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}
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static Error getFormat(Device* device,
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const native_handle_t* bufferHandle, PixelFormat* outFormat)
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{
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return cast(device)->getFormat(bufferHandle, outFormat);
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}
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static Error getLayerCount(Device* device,
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const native_handle_t* bufferHandle, uint32_t* outLayerCount)
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{
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return cast(device)->getLayerCount(bufferHandle, outLayerCount);
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}
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static Error getProducerUsageMask(Device* device,
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const native_handle_t* bufferHandle, uint64_t* outUsageMask)
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{
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return cast(device)->getProducerUsageMask(bufferHandle, outUsageMask);
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}
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static Error getConsumerUsageMask(Device* device,
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const native_handle_t* bufferHandle, uint64_t* outUsageMask)
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{
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return cast(device)->getConsumerUsageMask(bufferHandle, outUsageMask);
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}
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static Error getBackingStore(Device* device,
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const native_handle_t* bufferHandle, BackingStore* outStore)
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{
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return cast(device)->getBackingStore(bufferHandle, outStore);
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}
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static Error getStride(Device* device,
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const native_handle_t* bufferHandle, uint32_t* outStride)
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{
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return cast(device)->getStride(bufferHandle, outStride);
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}
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static Error getNumFlexPlanes(Device* device,
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const native_handle_t* bufferHandle, uint32_t* outNumPlanes)
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{
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return cast(device)->getNumFlexPlanes(bufferHandle, outNumPlanes);
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}
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static Error lock(Device* device,
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const native_handle_t* bufferHandle,
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uint64_t producerUsageMask, uint64_t consumerUsageMask,
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const Device::Rect* accessRegion, int32_t acquireFence,
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void** outData)
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{
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return cast(device)->lock(bufferHandle,
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producerUsageMask, consumerUsageMask,
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accessRegion, acquireFence, outData);
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}
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static Error lockFlex(Device* device,
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const native_handle_t* bufferHandle,
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uint64_t producerUsageMask, uint64_t consumerUsageMask,
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const Device::Rect* accessRegion, int32_t acquireFence,
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FlexLayout* outFlexLayout)
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{
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return cast(device)->lockFlex(bufferHandle,
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producerUsageMask, consumerUsageMask,
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accessRegion, acquireFence, outFlexLayout);
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}
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static Error unlock(Device* device,
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const native_handle_t* bufferHandle, int32_t* outReleaseFence)
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{
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return cast(device)->unlock(bufferHandle, outReleaseFence);
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}
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};
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extern "C" const void* HALLIB_FETCH_Interface(const char* name)
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{
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if (strcmp(name, "android.hardware.graphics.mapper@2.0::IMapper") == 0) {
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static GrallocMapper sGrallocMapper;
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return sGrallocMapper.getInterface();
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}
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return nullptr;
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}
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} // namespace implementation
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} // namespace V2_0
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} // namespace mapper
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} // namespace graphics
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} // namespace hardware
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} // namespace android
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