| /* |
| * Copyright 2017, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "H2BGraphicBufferProducer" |
| |
| #include <android-base/logging.h> |
| |
| #include <gui/bufferqueue/1.0/H2BGraphicBufferProducer.h> |
| #include <gui/bufferqueue/1.0/B2HProducerListener.h> |
| |
| #include <system/window.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace graphics { |
| namespace bufferqueue { |
| namespace V1_0 { |
| namespace utils { |
| |
| using Status = HGraphicBufferProducer::Status; |
| using ::android::hardware::graphics::common::V1_0::Dataspace; |
| typedef ::android::hardware::media::V1_0::Rect HRect; |
| typedef ::android::hardware::media::V1_0::Region HRegion; |
| |
| // Conversion functions |
| |
| // native_handle_t helper functions. |
| |
| /** |
| * \brief Take an fd and create a native handle containing only the given fd. |
| * The created handle will need to be deleted manually with |
| * `native_handle_delete()`. |
| * |
| * \param[in] fd The source file descriptor (of type `int`). |
| * \return The create `native_handle_t*` that contains the given \p fd. If the |
| * supplied \p fd is negative, the created native handle will contain no file |
| * descriptors. |
| * |
| * If the native handle cannot be created, the return value will be |
| * `nullptr`. |
| * |
| * This function does not duplicate the file descriptor. |
| */ |
| inline native_handle_t* native_handle_create_from_fd(int fd) { |
| if (fd < 0) { |
| return native_handle_create(0, 0); |
| } |
| native_handle_t* nh = native_handle_create(1, 0); |
| if (nh == nullptr) { |
| return nullptr; |
| } |
| nh->data[0] = fd; |
| return nh; |
| } |
| |
| /** |
| * \brief Extract a file descriptor from a native handle. |
| * |
| * \param[in] nh The source `native_handle_t*`. |
| * \param[in] index The index of the file descriptor in \p nh to read from. This |
| * input has the default value of `0`. |
| * \return The `index`-th file descriptor in \p nh. If \p nh does not have |
| * enough file descriptors, the returned value will be `-1`. |
| * |
| * This function does not duplicate the file descriptor. |
| */ |
| inline int native_handle_read_fd(native_handle_t const* nh, int index = 0) { |
| return ((nh == nullptr) || (nh->numFds == 0) || |
| (nh->numFds <= index) || (index < 0)) ? |
| -1 : nh->data[index]; |
| } |
| |
| /** |
| * \brief Convert `Return<Status>` to `status_t`. This is for legacy binder |
| * calls. |
| * |
| * \param[in] t The source `Return<Status>`. |
| * \return The corresponding `status_t`. |
| * |
| * This function first check if \p t has a transport error. If it does, then the |
| * return value is the transport error code. Otherwise, the return value is |
| * converted from `Status` contained inside \p t. |
| * |
| * Note: |
| * - This `Status` is omx-specific. It is defined in `types.hal`. |
| * - The name of this function is not `convert`. |
| */ |
| // convert: Return<Status> -> status_t |
| inline status_t toStatusT(Return<Status> const& t) { |
| return t.isOk() ? static_cast<status_t>(static_cast<Status>(t)) : UNKNOWN_ERROR; |
| } |
| |
| /** |
| * \brief Convert `Return<void>` to `status_t`. This is for legacy binder calls. |
| * |
| * \param[in] t The source `Return<void>`. |
| * \return The corresponding `status_t`. |
| */ |
| // convert: Return<void> -> status_t |
| inline status_t toStatusT(Return<void> const& t) { |
| return t.isOk() ? OK : UNKNOWN_ERROR; |
| } |
| |
| /** |
| * \brief Wrap `GraphicBuffer` in `AnwBuffer`. |
| * |
| * \param[out] t The wrapper of type `AnwBuffer`. |
| * \param[in] l The source `GraphicBuffer`. |
| */ |
| // wrap: GraphicBuffer -> AnwBuffer |
| inline void wrapAs(AnwBuffer* t, GraphicBuffer const& l) { |
| t->attr.width = l.getWidth(); |
| t->attr.height = l.getHeight(); |
| t->attr.stride = l.getStride(); |
| t->attr.format = static_cast<PixelFormat>(l.getPixelFormat()); |
| t->attr.layerCount = l.getLayerCount(); |
| t->attr.usage = uint32_t(l.getUsage()); // FIXME: need 64-bits usage version |
| t->attr.id = l.getId(); |
| t->attr.generationNumber = l.getGenerationNumber(); |
| t->nativeHandle = hidl_handle(l.handle); |
| } |
| |
| /** |
| * \brief Convert `AnwBuffer` to `GraphicBuffer`. |
| * |
| * \param[out] l The destination `GraphicBuffer`. |
| * \param[in] t The source `AnwBuffer`. |
| * |
| * This function will duplicate all file descriptors in \p t. |
| */ |
| // convert: AnwBuffer -> GraphicBuffer |
| // Ref: frameworks/native/libs/ui/GraphicBuffer.cpp: GraphicBuffer::flatten |
| inline bool convertTo(GraphicBuffer* l, AnwBuffer const& t) { |
| native_handle_t* handle = t.nativeHandle == nullptr ? |
| nullptr : native_handle_clone(t.nativeHandle); |
| |
| size_t const numInts = 12 + |
| static_cast<size_t>(handle ? handle->numInts : 0); |
| int32_t* ints = new int32_t[numInts]; |
| |
| size_t numFds = static_cast<size_t>(handle ? handle->numFds : 0); |
| int* fds = new int[numFds]; |
| |
| ints[0] = 'GBFR'; |
| ints[1] = static_cast<int32_t>(t.attr.width); |
| ints[2] = static_cast<int32_t>(t.attr.height); |
| ints[3] = static_cast<int32_t>(t.attr.stride); |
| ints[4] = static_cast<int32_t>(t.attr.format); |
| ints[5] = static_cast<int32_t>(t.attr.layerCount); |
| ints[6] = static_cast<int32_t>(t.attr.usage); |
| ints[7] = static_cast<int32_t>(t.attr.id >> 32); |
| ints[8] = static_cast<int32_t>(t.attr.id & 0xFFFFFFFF); |
| ints[9] = static_cast<int32_t>(t.attr.generationNumber); |
| ints[10] = 0; |
| ints[11] = 0; |
| if (handle) { |
| ints[10] = static_cast<int32_t>(handle->numFds); |
| ints[11] = static_cast<int32_t>(handle->numInts); |
| int* intsStart = handle->data + handle->numFds; |
| std::copy(handle->data, intsStart, fds); |
| std::copy(intsStart, intsStart + handle->numInts, &ints[12]); |
| } |
| |
| void const* constBuffer = static_cast<void const*>(ints); |
| size_t size = numInts * sizeof(int32_t); |
| int const* constFds = static_cast<int const*>(fds); |
| status_t status = l->unflatten(constBuffer, size, constFds, numFds); |
| |
| delete [] fds; |
| delete [] ints; |
| native_handle_delete(handle); |
| return status == NO_ERROR; |
| } |
| |
| // Ref: frameworks/native/libs/ui/Fence.cpp |
| |
| /** |
| * \brief Return the size of the non-fd buffer required to flatten a fence. |
| * |
| * \param[in] fence The input fence of type `hidl_handle`. |
| * \return The required size of the flat buffer. |
| * |
| * The current version of this function always returns 4, which is the number of |
| * bytes required to store the number of file descriptors contained in the fd |
| * part of the flat buffer. |
| */ |
| inline size_t getFenceFlattenedSize(hidl_handle const& /* fence */) { |
| return 4; |
| }; |
| |
| /** |
| * \brief Return the number of file descriptors contained in a fence. |
| * |
| * \param[in] fence The input fence of type `hidl_handle`. |
| * \return `0` if \p fence does not contain a valid file descriptor, or `1` |
| * otherwise. |
| */ |
| inline size_t getFenceFdCount(hidl_handle const& fence) { |
| return native_handle_read_fd(fence) == -1 ? 0 : 1; |
| } |
| |
| /** |
| * \brief Unflatten `Fence` to `hidl_handle`. |
| * |
| * \param[out] fence The destination `hidl_handle`. |
| * \param[out] nh The underlying native handle. |
| * \param[in,out] buffer The pointer to the flat non-fd buffer. |
| * \param[in,out] size The size of the flat non-fd buffer. |
| * \param[in,out] fds The pointer to the flat fd buffer. |
| * \param[in,out] numFds The size of the flat fd buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| * |
| * If the return value is `NO_ERROR`, \p nh will point to a newly created |
| * native handle, which needs to be deleted with `native_handle_delete()` |
| * afterwards. |
| */ |
| inline status_t unflattenFence(hidl_handle* fence, native_handle_t** nh, |
| void const*& buffer, size_t& size, int const*& fds, size_t& numFds) { |
| if (size < 4) { |
| return NO_MEMORY; |
| } |
| |
| uint32_t numFdsInHandle; |
| FlattenableUtils::read(buffer, size, numFdsInHandle); |
| |
| if (numFdsInHandle > 1) { |
| return BAD_VALUE; |
| } |
| |
| if (numFds < numFdsInHandle) { |
| return NO_MEMORY; |
| } |
| |
| if (numFdsInHandle) { |
| *nh = native_handle_create_from_fd(*fds); |
| if (*nh == nullptr) { |
| return NO_MEMORY; |
| } |
| *fence = *nh; |
| ++fds; |
| --numFds; |
| } else { |
| *nh = nullptr; |
| *fence = hidl_handle(); |
| } |
| |
| return NO_ERROR; |
| } |
| |
| /** |
| * \brief Flatten `hidl_handle` as `Fence`. |
| * |
| * \param[in] fence The source `hidl_handle`. |
| * \param[in,out] buffer The pointer to the flat non-fd buffer. |
| * \param[in,out] size The size of the flat non-fd buffer. |
| * \param[in,out] fds The pointer to the flat fd buffer. |
| * \param[in,out] numFds The size of the flat fd buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| */ |
| inline status_t flattenFence(hidl_handle const& fence, |
| void*& buffer, size_t& size, int*& fds, size_t& numFds) { |
| if (size < getFenceFlattenedSize(fence) || |
| numFds < getFenceFdCount(fence)) { |
| return NO_MEMORY; |
| } |
| // Cast to uint32_t since the size of a size_t can vary between 32- and |
| // 64-bit processes |
| FlattenableUtils::write(buffer, size, |
| static_cast<uint32_t>(getFenceFdCount(fence))); |
| int fd = native_handle_read_fd(fence); |
| if (fd != -1) { |
| *fds = fd; |
| ++fds; |
| --numFds; |
| } |
| return NO_ERROR; |
| } |
| |
| /** |
| * \brief Wrap `Fence` in `hidl_handle`. |
| * |
| * \param[out] t The wrapper of type `hidl_handle`. |
| * \param[out] nh The native handle pointed to by \p t. |
| * \param[in] l The source `Fence`. |
| * |
| * On success, \p nh will hold a newly created native handle, which must be |
| * deleted manually with `native_handle_delete()` afterwards. |
| */ |
| // wrap: Fence -> hidl_handle |
| inline bool wrapAs(hidl_handle* t, native_handle_t** nh, Fence const& l) { |
| size_t const baseSize = l.getFlattenedSize(); |
| std::unique_ptr<uint8_t[]> baseBuffer( |
| new (std::nothrow) uint8_t[baseSize]); |
| if (!baseBuffer) { |
| return false; |
| } |
| |
| size_t const baseNumFds = l.getFdCount(); |
| std::unique_ptr<int[]> baseFds( |
| new (std::nothrow) int[baseNumFds]); |
| if (!baseFds) { |
| return false; |
| } |
| |
| void* buffer = static_cast<void*>(baseBuffer.get()); |
| size_t size = baseSize; |
| int* fds = static_cast<int*>(baseFds.get()); |
| size_t numFds = baseNumFds; |
| if (l.flatten(buffer, size, fds, numFds) != NO_ERROR) { |
| return false; |
| } |
| |
| void const* constBuffer = static_cast<void const*>(baseBuffer.get()); |
| size = baseSize; |
| int const* constFds = static_cast<int const*>(baseFds.get()); |
| numFds = baseNumFds; |
| if (unflattenFence(t, nh, constBuffer, size, constFds, numFds) |
| != NO_ERROR) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * \brief Convert `hidl_handle` to `Fence`. |
| * |
| * \param[out] l The destination `Fence`. `l` must not have been used |
| * (`l->isValid()` must return `false`) before this function is called. |
| * \param[in] t The source `hidl_handle`. |
| * |
| * If \p t contains a valid file descriptor, it will be duplicated. |
| */ |
| // convert: hidl_handle -> Fence |
| inline bool convertTo(Fence* l, hidl_handle const& t) { |
| int fd = native_handle_read_fd(t); |
| if (fd != -1) { |
| fd = dup(fd); |
| if (fd == -1) { |
| return false; |
| } |
| } |
| native_handle_t* nh = native_handle_create_from_fd(fd); |
| if (nh == nullptr) { |
| if (fd != -1) { |
| close(fd); |
| } |
| return false; |
| } |
| |
| size_t const baseSize = getFenceFlattenedSize(t); |
| std::unique_ptr<uint8_t[]> baseBuffer( |
| new (std::nothrow) uint8_t[baseSize]); |
| if (!baseBuffer) { |
| native_handle_delete(nh); |
| return false; |
| } |
| |
| size_t const baseNumFds = getFenceFdCount(t); |
| std::unique_ptr<int[]> baseFds( |
| new (std::nothrow) int[baseNumFds]); |
| if (!baseFds) { |
| native_handle_delete(nh); |
| return false; |
| } |
| |
| void* buffer = static_cast<void*>(baseBuffer.get()); |
| size_t size = baseSize; |
| int* fds = static_cast<int*>(baseFds.get()); |
| size_t numFds = baseNumFds; |
| if (flattenFence(hidl_handle(nh), buffer, size, fds, numFds) != NO_ERROR) { |
| native_handle_delete(nh); |
| return false; |
| } |
| native_handle_delete(nh); |
| |
| void const* constBuffer = static_cast<void const*>(baseBuffer.get()); |
| size = baseSize; |
| int const* constFds = static_cast<int const*>(baseFds.get()); |
| numFds = baseNumFds; |
| if (l->unflatten(constBuffer, size, constFds, numFds) != NO_ERROR) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Ref: frameworks/native/libs/ui/Region.cpp |
| |
| /** |
| * \brief Unflatten `HRegion`. |
| * |
| * \param[out] t The destination `HRegion`. |
| * \param[in,out] buffer The pointer to the flat buffer. |
| * \param[in,out] size The size of the flat buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| */ |
| inline status_t unflatten(HRegion* t, void const*& buffer, size_t& size) { |
| if (size < sizeof(uint32_t)) { |
| return NO_MEMORY; |
| } |
| |
| uint32_t numRects = 0; |
| FlattenableUtils::read(buffer, size, numRects); |
| if (size < numRects * sizeof(HRect)) { |
| return NO_MEMORY; |
| } |
| if (numRects > (UINT32_MAX / sizeof(HRect))) { |
| return NO_MEMORY; |
| } |
| |
| t->resize(numRects); |
| for (size_t r = 0; r < numRects; ++r) { |
| ::android::Rect rect(::android::Rect::EMPTY_RECT); |
| status_t status = rect.unflatten(buffer, size); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| FlattenableUtils::advance(buffer, size, sizeof(rect)); |
| (*t)[r] = HRect{ |
| static_cast<int32_t>(rect.left), |
| static_cast<int32_t>(rect.top), |
| static_cast<int32_t>(rect.right), |
| static_cast<int32_t>(rect.bottom)}; |
| } |
| return NO_ERROR; |
| } |
| |
| // Ref: frameworks/native/libs/gui/IGraphicBufferProducer.cpp: |
| // IGraphicBufferProducer::QueueBufferInput |
| |
| /** |
| * \brief Return a lower bound on the size of the buffer required to flatten |
| * `HGraphicBufferProducer::QueueBufferInput`. |
| * |
| * \param[in] t The input `HGraphicBufferProducer::QueueBufferInput`. |
| * \return A lower bound on the size of the flat buffer. |
| */ |
| constexpr size_t minFlattenedSize( |
| HGraphicBufferProducer::QueueBufferInput const& /* t */) { |
| return sizeof(int64_t) + // timestamp |
| sizeof(int) + // isAutoTimestamp |
| sizeof(android_dataspace) + // dataSpace |
| sizeof(::android::Rect) + // crop |
| sizeof(int) + // scalingMode |
| sizeof(uint32_t) + // transform |
| sizeof(uint32_t) + // stickyTransform |
| sizeof(bool); // getFrameTimestamps |
| } |
| |
| /** |
| * \brief Unflatten `HGraphicBufferProducer::QueueBufferInput`. |
| * |
| * \param[out] t The destination `HGraphicBufferProducer::QueueBufferInput`. |
| * \param[out] nh The underlying native handle for `t->fence`. |
| * \param[in,out] buffer The pointer to the flat non-fd buffer. |
| * \param[in,out] size The size of the flat non-fd buffer. |
| * \param[in,out] fds The pointer to the flat fd buffer. |
| * \param[in,out] numFds The size of the flat fd buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| * |
| * If the return value is `NO_ERROR` and `t->fence` contains a valid file |
| * descriptor, \p nh will be a newly created native handle holding that file |
| * descriptor. \p nh needs to be deleted with `native_handle_delete()` |
| * afterwards. |
| */ |
| inline status_t unflatten( |
| HGraphicBufferProducer::QueueBufferInput* t, native_handle_t** nh, |
| void const*& buffer, size_t& size, int const*& fds, size_t& numFds) { |
| if (size < minFlattenedSize(*t)) { |
| return NO_MEMORY; |
| } |
| |
| FlattenableUtils::read(buffer, size, t->timestamp); |
| int lIsAutoTimestamp; |
| FlattenableUtils::read(buffer, size, lIsAutoTimestamp); |
| t->isAutoTimestamp = static_cast<int32_t>(lIsAutoTimestamp); |
| android_dataspace_t lDataSpace; |
| FlattenableUtils::read(buffer, size, lDataSpace); |
| t->dataSpace = static_cast<Dataspace>(lDataSpace); |
| ::android::Rect lCrop; |
| FlattenableUtils::read(buffer, size, lCrop); |
| t->crop = HRect{ |
| static_cast<int32_t>(lCrop.left), |
| static_cast<int32_t>(lCrop.top), |
| static_cast<int32_t>(lCrop.right), |
| static_cast<int32_t>(lCrop.bottom)}; |
| int lScalingMode; |
| FlattenableUtils::read(buffer, size, lScalingMode); |
| t->scalingMode = static_cast<int32_t>(lScalingMode); |
| FlattenableUtils::read(buffer, size, t->transform); |
| FlattenableUtils::read(buffer, size, t->stickyTransform); |
| FlattenableUtils::read(buffer, size, t->getFrameTimestamps); |
| |
| status_t status = unflattenFence(&(t->fence), nh, |
| buffer, size, fds, numFds); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| return unflatten(&(t->surfaceDamage), buffer, size); |
| } |
| |
| /** |
| * \brief Wrap `IGraphicBufferProducer::QueueBufferInput` in |
| * `HGraphicBufferProducer::QueueBufferInput`. |
| * |
| * \param[out] t The wrapper of type |
| * `HGraphicBufferProducer::QueueBufferInput`. |
| * \param[out] nh The underlying native handle for `t->fence`. |
| * \param[in] l The source `IGraphicBufferProducer::QueueBufferInput`. |
| * |
| * If the return value is `true` and `t->fence` contains a valid file |
| * descriptor, \p nh will be a newly created native handle holding that file |
| * descriptor. \p nh needs to be deleted with `native_handle_delete()` |
| * afterwards. |
| */ |
| inline bool wrapAs( |
| HGraphicBufferProducer::QueueBufferInput* t, |
| native_handle_t** nh, |
| BGraphicBufferProducer::QueueBufferInput const& l) { |
| |
| size_t const baseSize = l.getFlattenedSize(); |
| std::unique_ptr<uint8_t[]> baseBuffer( |
| new (std::nothrow) uint8_t[baseSize]); |
| if (!baseBuffer) { |
| return false; |
| } |
| |
| size_t const baseNumFds = l.getFdCount(); |
| std::unique_ptr<int[]> baseFds( |
| new (std::nothrow) int[baseNumFds]); |
| if (!baseFds) { |
| return false; |
| } |
| |
| void* buffer = static_cast<void*>(baseBuffer.get()); |
| size_t size = baseSize; |
| int* fds = baseFds.get(); |
| size_t numFds = baseNumFds; |
| if (l.flatten(buffer, size, fds, numFds) != NO_ERROR) { |
| return false; |
| } |
| |
| void const* constBuffer = static_cast<void const*>(baseBuffer.get()); |
| size = baseSize; |
| int const* constFds = static_cast<int const*>(baseFds.get()); |
| numFds = baseNumFds; |
| if (unflatten(t, nh, constBuffer, size, constFds, numFds) != NO_ERROR) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Ref: frameworks/native/libs/ui/FenceTime.cpp: FenceTime::Snapshot |
| |
| /** |
| * \brief Return the size of the non-fd buffer required to flatten |
| * `FenceTimeSnapshot`. |
| * |
| * \param[in] t The input `FenceTimeSnapshot`. |
| * \return The required size of the flat buffer. |
| */ |
| inline size_t getFlattenedSize( |
| HGraphicBufferProducer::FenceTimeSnapshot const& t) { |
| constexpr size_t min = sizeof(t.state); |
| switch (t.state) { |
| case HGraphicBufferProducer::FenceTimeSnapshot::State::EMPTY: |
| return min; |
| case HGraphicBufferProducer::FenceTimeSnapshot::State::FENCE: |
| return min + getFenceFlattenedSize(t.fence); |
| case HGraphicBufferProducer::FenceTimeSnapshot::State::SIGNAL_TIME: |
| return min + sizeof( |
| ::android::FenceTime::Snapshot::signalTime); |
| } |
| return 0; |
| } |
| |
| /** |
| * \brief Return the number of file descriptors contained in |
| * `FenceTimeSnapshot`. |
| * |
| * \param[in] t The input `FenceTimeSnapshot`. |
| * \return The number of file descriptors contained in \p snapshot. |
| */ |
| inline size_t getFdCount( |
| HGraphicBufferProducer::FenceTimeSnapshot const& t) { |
| return t.state == |
| HGraphicBufferProducer::FenceTimeSnapshot::State::FENCE ? |
| getFenceFdCount(t.fence) : 0; |
| } |
| |
| /** |
| * \brief Flatten `FenceTimeSnapshot`. |
| * |
| * \param[in] t The source `FenceTimeSnapshot`. |
| * \param[out] nh The cloned native handle, if necessary. |
| * \param[in,out] buffer The pointer to the flat non-fd buffer. |
| * \param[in,out] size The size of the flat non-fd buffer. |
| * \param[in,out] fds The pointer to the flat fd buffer. |
| * \param[in,out] numFds The size of the flat fd buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| * |
| * This function will duplicate the file descriptor in `t.fence` if `t.state == |
| * FENCE`, in which case \p nh will be returned. |
| */ |
| inline status_t flatten(HGraphicBufferProducer::FenceTimeSnapshot const& t, |
| native_handle_t** nh, |
| void*& buffer, size_t& size, int*& fds, size_t& numFds) { |
| if (size < getFlattenedSize(t)) { |
| return NO_MEMORY; |
| } |
| |
| *nh = nullptr; |
| switch (t.state) { |
| case HGraphicBufferProducer::FenceTimeSnapshot::State::EMPTY: |
| FlattenableUtils::write(buffer, size, |
| ::android::FenceTime::Snapshot::State::EMPTY); |
| return NO_ERROR; |
| case HGraphicBufferProducer::FenceTimeSnapshot::State::FENCE: |
| FlattenableUtils::write(buffer, size, |
| ::android::FenceTime::Snapshot::State::FENCE); |
| *nh = t.fence.getNativeHandle() == nullptr ? |
| nullptr : native_handle_clone(t.fence); |
| return flattenFence(hidl_handle(*nh), buffer, size, fds, numFds); |
| case HGraphicBufferProducer::FenceTimeSnapshot::State::SIGNAL_TIME: |
| FlattenableUtils::write(buffer, size, |
| ::android::FenceTime::Snapshot::State::SIGNAL_TIME); |
| FlattenableUtils::write(buffer, size, t.signalTimeNs); |
| return NO_ERROR; |
| } |
| return NO_ERROR; |
| } |
| |
| // Ref: frameworks/native/libs/gui/FrameTimestamps.cpp: FrameEventsDelta |
| |
| /** |
| * \brief Return a lower bound on the size of the non-fd buffer required to |
| * flatten `FrameEventsDelta`. |
| * |
| * \param[in] t The input `FrameEventsDelta`. |
| * \return A lower bound on the size of the flat buffer. |
| */ |
| constexpr size_t minFlattenedSize( |
| HGraphicBufferProducer::FrameEventsDelta const& /* t */) { |
| return sizeof(uint64_t) + // mFrameNumber |
| sizeof(uint8_t) + // mIndex |
| sizeof(uint8_t) + // mAddPostCompositeCalled |
| sizeof(uint8_t) + // mAddRetireCalled |
| sizeof(uint8_t) + // mAddReleaseCalled |
| sizeof(nsecs_t) + // mPostedTime |
| sizeof(nsecs_t) + // mRequestedPresentTime |
| sizeof(nsecs_t) + // mLatchTime |
| sizeof(nsecs_t) + // mFirstRefreshStartTime |
| sizeof(nsecs_t); // mLastRefreshStartTime |
| } |
| |
| /** |
| * \brief Return the size of the non-fd buffer required to flatten |
| * `FrameEventsDelta`. |
| * |
| * \param[in] t The input `FrameEventsDelta`. |
| * \return The required size of the flat buffer. |
| */ |
| inline size_t getFlattenedSize( |
| HGraphicBufferProducer::FrameEventsDelta const& t) { |
| return minFlattenedSize(t) + |
| getFlattenedSize(t.gpuCompositionDoneFence) + |
| getFlattenedSize(t.displayPresentFence) + |
| getFlattenedSize(t.displayRetireFence) + |
| getFlattenedSize(t.releaseFence); |
| }; |
| |
| /** |
| * \brief Return the number of file descriptors contained in |
| * `FrameEventsDelta`. |
| * |
| * \param[in] t The input `FrameEventsDelta`. |
| * \return The number of file descriptors contained in \p t. |
| */ |
| inline size_t getFdCount( |
| HGraphicBufferProducer::FrameEventsDelta const& t) { |
| return getFdCount(t.gpuCompositionDoneFence) + |
| getFdCount(t.displayPresentFence) + |
| getFdCount(t.displayRetireFence) + |
| getFdCount(t.releaseFence); |
| }; |
| |
| /** |
| * \brief Flatten `FrameEventsDelta`. |
| * |
| * \param[in] t The source `FrameEventsDelta`. |
| * \param[out] nh The array of native handles that are cloned. |
| * \param[in,out] buffer The pointer to the flat non-fd buffer. |
| * \param[in,out] size The size of the flat non-fd buffer. |
| * \param[in,out] fds The pointer to the flat fd buffer. |
| * \param[in,out] numFds The size of the flat fd buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| * |
| * On success, this function will duplicate file descriptors contained in \p t. |
| * The cloned native handles will be stored in \p nh. These native handles will |
| * need to be closed by the caller. |
| */ |
| // Ref: frameworks/native/libs/gui/FrameTimestamp.cpp: |
| // FrameEventsDelta::flatten |
| inline status_t flatten(HGraphicBufferProducer::FrameEventsDelta const& t, |
| std::vector<native_handle_t*>* nh, |
| void*& buffer, size_t& size, int*& fds, size_t numFds) { |
| // Check that t.index is within a valid range. |
| if (t.index >= static_cast<uint32_t>(FrameEventHistory::MAX_FRAME_HISTORY) |
| || t.index > std::numeric_limits<uint8_t>::max()) { |
| return BAD_VALUE; |
| } |
| |
| FlattenableUtils::write(buffer, size, t.frameNumber); |
| |
| // These are static_cast to uint8_t for alignment. |
| FlattenableUtils::write(buffer, size, static_cast<uint8_t>(t.index)); |
| FlattenableUtils::write( |
| buffer, size, static_cast<uint8_t>(t.addPostCompositeCalled)); |
| FlattenableUtils::write( |
| buffer, size, static_cast<uint8_t>(t.addRetireCalled)); |
| FlattenableUtils::write( |
| buffer, size, static_cast<uint8_t>(t.addReleaseCalled)); |
| |
| FlattenableUtils::write(buffer, size, t.postedTimeNs); |
| FlattenableUtils::write(buffer, size, t.requestedPresentTimeNs); |
| FlattenableUtils::write(buffer, size, t.latchTimeNs); |
| FlattenableUtils::write(buffer, size, t.firstRefreshStartTimeNs); |
| FlattenableUtils::write(buffer, size, t.lastRefreshStartTimeNs); |
| FlattenableUtils::write(buffer, size, t.dequeueReadyTime); |
| |
| // Fences |
| HGraphicBufferProducer::FenceTimeSnapshot const* tSnapshot[4]; |
| tSnapshot[0] = &t.gpuCompositionDoneFence; |
| tSnapshot[1] = &t.displayPresentFence; |
| tSnapshot[2] = &t.displayRetireFence; |
| tSnapshot[3] = &t.releaseFence; |
| nh->resize(4); |
| for (size_t snapshotIndex = 0; snapshotIndex < 4; ++snapshotIndex) { |
| status_t status = flatten( |
| *(tSnapshot[snapshotIndex]), |
| &((*nh)[snapshotIndex]), |
| buffer, size, fds, numFds); |
| if (status != NO_ERROR) { |
| while (snapshotIndex > 0) { |
| --snapshotIndex; |
| native_handle_close((*nh)[snapshotIndex]); |
| native_handle_delete((*nh)[snapshotIndex]); |
| (*nh)[snapshotIndex] = nullptr; |
| } |
| return status; |
| } |
| } |
| return NO_ERROR; |
| } |
| |
| // Ref: frameworks/native/libs/gui/FrameTimestamps.cpp: FrameEventHistoryDelta |
| |
| /** |
| * \brief Return the size of the non-fd buffer required to flatten |
| * `HGraphicBufferProducer::FrameEventHistoryDelta`. |
| * |
| * \param[in] t The input `HGraphicBufferProducer::FrameEventHistoryDelta`. |
| * \return The required size of the flat buffer. |
| */ |
| inline size_t getFlattenedSize( |
| HGraphicBufferProducer::FrameEventHistoryDelta const& t) { |
| size_t size = 4 + // mDeltas.size() |
| sizeof(t.compositorTiming); |
| for (size_t i = 0; i < t.deltas.size(); ++i) { |
| size += getFlattenedSize(t.deltas[i]); |
| } |
| return size; |
| } |
| |
| /** |
| * \brief Return the number of file descriptors contained in |
| * `HGraphicBufferProducer::FrameEventHistoryDelta`. |
| * |
| * \param[in] t The input `HGraphicBufferProducer::FrameEventHistoryDelta`. |
| * \return The number of file descriptors contained in \p t. |
| */ |
| inline size_t getFdCount( |
| HGraphicBufferProducer::FrameEventHistoryDelta const& t) { |
| size_t numFds = 0; |
| for (size_t i = 0; i < t.deltas.size(); ++i) { |
| numFds += getFdCount(t.deltas[i]); |
| } |
| return numFds; |
| } |
| |
| /** |
| * \brief Flatten `FrameEventHistoryDelta`. |
| * |
| * \param[in] t The source `FrameEventHistoryDelta`. |
| * \param[out] nh The array of arrays of cloned native handles. |
| * \param[in,out] buffer The pointer to the flat non-fd buffer. |
| * \param[in,out] size The size of the flat non-fd buffer. |
| * \param[in,out] fds The pointer to the flat fd buffer. |
| * \param[in,out] numFds The size of the flat fd buffer. |
| * \return `NO_ERROR` on success; other value on failure. |
| * |
| * On success, this function will duplicate file descriptors contained in \p t. |
| * The cloned native handles will be stored in \p nh. Before making the call, \p |
| * nh should have enough space to store `n` pointers to arrays of native |
| * handles, where `n` is the length of `t.deltas`, and each `nh[i]` should have |
| * enough space to store `4` native handles. |
| */ |
| inline status_t flatten( |
| HGraphicBufferProducer::FrameEventHistoryDelta const& t, |
| std::vector<std::vector<native_handle_t*> >* nh, |
| void*& buffer, size_t& size, int*& fds, size_t& numFds) { |
| if (t.deltas.size() > ::android::FrameEventHistory::MAX_FRAME_HISTORY) { |
| return BAD_VALUE; |
| } |
| if (size < getFlattenedSize(t)) { |
| return NO_MEMORY; |
| } |
| |
| FlattenableUtils::write(buffer, size, t.compositorTiming); |
| |
| FlattenableUtils::write(buffer, size, static_cast<uint32_t>(t.deltas.size())); |
| nh->resize(t.deltas.size()); |
| for (size_t deltaIndex = 0; deltaIndex < t.deltas.size(); ++deltaIndex) { |
| status_t status = flatten( |
| t.deltas[deltaIndex], &((*nh)[deltaIndex]), |
| buffer, size, fds, numFds); |
| if (status != NO_ERROR) { |
| while (deltaIndex > 0) { |
| --deltaIndex; |
| for (size_t snapshotIndex = 0; |
| snapshotIndex < 4; ++snapshotIndex) { |
| native_handle_close((*nh)[deltaIndex][snapshotIndex]); |
| native_handle_delete((*nh)[deltaIndex][snapshotIndex]); |
| (*nh)[deltaIndex][snapshotIndex] = nullptr; |
| } |
| } |
| return status; |
| } |
| } |
| return NO_ERROR; |
| } |
| |
| /** |
| * \brief Convert `HGraphicBufferProducer::FrameEventHistoryDelta` to |
| * `::android::FrameEventHistoryDelta`. |
| * |
| * \param[out] l The destination `::android::FrameEventHistoryDelta`. |
| * \param[in] t The source `HGraphicBufferProducer::FrameEventHistoryDelta`. |
| * |
| * This function will duplicate all file descriptors contained in \p t. |
| */ |
| inline bool convertTo( |
| ::android::FrameEventHistoryDelta* l, |
| HGraphicBufferProducer::FrameEventHistoryDelta const& t) { |
| |
| size_t const baseSize = getFlattenedSize(t); |
| std::unique_ptr<uint8_t[]> baseBuffer( |
| new (std::nothrow) uint8_t[baseSize]); |
| if (!baseBuffer) { |
| return false; |
| } |
| |
| size_t const baseNumFds = getFdCount(t); |
| std::unique_ptr<int[]> baseFds( |
| new (std::nothrow) int[baseNumFds]); |
| if (!baseFds) { |
| return false; |
| } |
| |
| void* buffer = static_cast<void*>(baseBuffer.get()); |
| size_t size = baseSize; |
| int* fds = static_cast<int*>(baseFds.get()); |
| size_t numFds = baseNumFds; |
| std::vector<std::vector<native_handle_t*> > nhAA; |
| if (flatten(t, &nhAA, buffer, size, fds, numFds) != NO_ERROR) { |
| return false; |
| } |
| |
| void const* constBuffer = static_cast<void const*>(baseBuffer.get()); |
| size = baseSize; |
| int const* constFds = static_cast<int const*>(baseFds.get()); |
| numFds = baseNumFds; |
| if (l->unflatten(constBuffer, size, constFds, numFds) != NO_ERROR) { |
| for (auto nhA : nhAA) { |
| for (auto nh : nhA) { |
| if (nh != nullptr) { |
| native_handle_close(nh); |
| native_handle_delete(nh); |
| } |
| } |
| } |
| return false; |
| } |
| |
| for (auto nhA : nhAA) { |
| for (auto nh : nhA) { |
| if (nh != nullptr) { |
| native_handle_delete(nh); |
| } |
| } |
| } |
| return true; |
| } |
| |
| // Ref: frameworks/native/libs/gui/IGraphicBufferProducer.cpp: |
| // IGraphicBufferProducer::QueueBufferOutput |
| |
| /** |
| * \brief Convert `HGraphicBufferProducer::QueueBufferOutput` to |
| * `IGraphicBufferProducer::QueueBufferOutput`. |
| * |
| * \param[out] l The destination `IGraphicBufferProducer::QueueBufferOutput`. |
| * \param[in] t The source `HGraphicBufferProducer::QueueBufferOutput`. |
| * |
| * This function will duplicate all file descriptors contained in \p t. |
| */ |
| // convert: HGraphicBufferProducer::QueueBufferOutput -> |
| // IGraphicBufferProducer::QueueBufferOutput |
| inline bool convertTo( |
| BGraphicBufferProducer::QueueBufferOutput* l, |
| HGraphicBufferProducer::QueueBufferOutput const& t) { |
| if (!convertTo(&(l->frameTimestamps), t.frameTimestamps)) { |
| return false; |
| } |
| l->width = t.width; |
| l->height = t.height; |
| l->transformHint = t.transformHint; |
| l->numPendingBuffers = t.numPendingBuffers; |
| l->nextFrameNumber = t.nextFrameNumber; |
| l->bufferReplaced = t.bufferReplaced; |
| return true; |
| } |
| |
| /** |
| * \brief Convert `IGraphicBufferProducer::DisconnectMode` to |
| * `HGraphicBufferProducer::DisconnectMode`. |
| * |
| * \param[in] l The source `IGraphicBufferProducer::DisconnectMode`. |
| * \return The corresponding `HGraphicBufferProducer::DisconnectMode`. |
| */ |
| inline HGraphicBufferProducer::DisconnectMode toHDisconnectMode( |
| BGraphicBufferProducer::DisconnectMode l) { |
| switch (l) { |
| case BGraphicBufferProducer::DisconnectMode::Api: |
| return HGraphicBufferProducer::DisconnectMode::API; |
| case BGraphicBufferProducer::DisconnectMode::AllLocal: |
| return HGraphicBufferProducer::DisconnectMode::ALL_LOCAL; |
| } |
| return HGraphicBufferProducer::DisconnectMode::API; |
| } |
| |
| // H2BGraphicBufferProducer |
| |
| status_t H2BGraphicBufferProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) { |
| *buf = new GraphicBuffer(); |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->requestBuffer( |
| static_cast<int32_t>(slot), |
| [&fnStatus, &buf] (Status status, AnwBuffer const& buffer) { |
| fnStatus = toStatusT(status); |
| if (!convertTo(buf->get(), buffer)) { |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| })); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::setMaxDequeuedBufferCount( |
| int maxDequeuedBuffers) { |
| return toStatusT(mBase->setMaxDequeuedBufferCount( |
| static_cast<int32_t>(maxDequeuedBuffers))); |
| } |
| |
| status_t H2BGraphicBufferProducer::setAsyncMode(bool async) { |
| return toStatusT(mBase->setAsyncMode(async)); |
| } |
| |
| // FIXME: usage bits truncated -- needs a 64-bits usage version |
| status_t H2BGraphicBufferProducer::dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, |
| uint32_t h, ::android::PixelFormat format, |
| uint64_t usage, uint64_t* outBufferAge, |
| FrameEventHistoryDelta* outTimestamps) { |
| *fence = new Fence(); |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->dequeueBuffer( |
| w, h, static_cast<PixelFormat>(format), uint32_t(usage), |
| outTimestamps != nullptr, |
| [&fnStatus, slot, fence, outTimestamps] ( |
| Status status, |
| int32_t tSlot, |
| hidl_handle const& tFence, |
| HGraphicBufferProducer::FrameEventHistoryDelta const& tTs) { |
| fnStatus = toStatusT(status); |
| *slot = tSlot; |
| if (!convertTo(fence->get(), tFence)) { |
| ALOGE("H2BGraphicBufferProducer::dequeueBuffer - " |
| "Invalid output fence"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| if (outTimestamps && !convertTo(outTimestamps, tTs)) { |
| ALOGE("H2BGraphicBufferProducer::dequeueBuffer - " |
| "Invalid output timestamps"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| })); |
| if (outBufferAge) { |
| // Since the HAL version doesn't return the buffer age, set it to 0: |
| *outBufferAge = 0; |
| } |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::detachBuffer(int slot) { |
| return toStatusT(mBase->detachBuffer(static_cast<int>(slot))); |
| } |
| |
| status_t H2BGraphicBufferProducer::detachNextBuffer( |
| sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence) { |
| *outBuffer = new GraphicBuffer(); |
| *outFence = new Fence(); |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->detachNextBuffer( |
| [&fnStatus, outBuffer, outFence] ( |
| Status status, |
| AnwBuffer const& tBuffer, |
| hidl_handle const& tFence) { |
| fnStatus = toStatusT(status); |
| if (!convertTo(outFence->get(), tFence)) { |
| ALOGE("H2BGraphicBufferProducer::detachNextBuffer - " |
| "Invalid output fence"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| if (!convertTo(outBuffer->get(), tBuffer)) { |
| ALOGE("H2BGraphicBufferProducer::detachNextBuffer - " |
| "Invalid output buffer"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| })); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::attachBuffer( |
| int* outSlot, const sp<GraphicBuffer>& buffer) { |
| AnwBuffer tBuffer; |
| wrapAs(&tBuffer, *buffer); |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->attachBuffer(tBuffer, |
| [&fnStatus, outSlot] (Status status, int32_t slot) { |
| fnStatus = toStatusT(status); |
| *outSlot = slot; |
| })); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::queueBuffer( |
| int slot, |
| const QueueBufferInput& input, |
| QueueBufferOutput* output) { |
| HGraphicBufferProducer::QueueBufferInput tInput; |
| native_handle_t* nh; |
| if (!wrapAs(&tInput, &nh, input)) { |
| ALOGE("H2BGraphicBufferProducer::queueBuffer - " |
| "Invalid input"); |
| return BAD_VALUE; |
| } |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->queueBuffer(slot, tInput, |
| [&fnStatus, output] ( |
| Status status, |
| HGraphicBufferProducer::QueueBufferOutput const& tOutput) { |
| fnStatus = toStatusT(status); |
| if (!convertTo(output, tOutput)) { |
| ALOGE("H2BGraphicBufferProducer::queueBuffer - " |
| "Invalid output"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| })); |
| native_handle_delete(nh); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::cancelBuffer(int slot, const sp<Fence>& fence) { |
| hidl_handle tFence; |
| native_handle_t* nh = nullptr; |
| if ((fence == nullptr) || !wrapAs(&tFence, &nh, *fence)) { |
| ALOGE("H2BGraphicBufferProducer::cancelBuffer - " |
| "Invalid input fence"); |
| return BAD_VALUE; |
| } |
| |
| status_t status = toStatusT(mBase->cancelBuffer( |
| static_cast<int32_t>(slot), tFence)); |
| native_handle_delete(nh); |
| return status; |
| } |
| |
| int H2BGraphicBufferProducer::query(int what, int* value) { |
| int result; |
| status_t transStatus = toStatusT(mBase->query( |
| static_cast<int32_t>(what), |
| [&result, value] (int32_t tResult, int32_t tValue) { |
| result = static_cast<int>(tResult); |
| *value = static_cast<int>(tValue); |
| })); |
| return transStatus == NO_ERROR ? result : static_cast<int>(transStatus); |
| } |
| |
| status_t H2BGraphicBufferProducer::connect( |
| const sp<IProducerListener>& listener, int api, |
| bool producerControlledByApp, QueueBufferOutput* output) { |
| sp<HProducerListener> tListener = listener == nullptr ? |
| nullptr : new B2HProducerListener(listener); |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->connect( |
| tListener, static_cast<int32_t>(api), producerControlledByApp, |
| [&fnStatus, output] ( |
| Status status, |
| HGraphicBufferProducer::QueueBufferOutput const& tOutput) { |
| fnStatus = toStatusT(status); |
| if (!convertTo(output, tOutput)) { |
| ALOGE("H2BGraphicBufferProducer::connect - " |
| "Invalid output"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| })); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::disconnect(int api, DisconnectMode mode) { |
| return toStatusT(mBase->disconnect( |
| static_cast<int32_t>(api), toHDisconnectMode(mode))); |
| } |
| |
| status_t H2BGraphicBufferProducer::setSidebandStream( |
| const sp<NativeHandle>& stream) { |
| return toStatusT(mBase->setSidebandStream(stream == nullptr ? nullptr : stream->handle())); |
| } |
| |
| // FIXME: usage bits truncated -- needs a 64-bits usage version |
| void H2BGraphicBufferProducer::allocateBuffers(uint32_t width, uint32_t height, |
| ::android::PixelFormat format, uint64_t usage) { |
| mBase->allocateBuffers( |
| width, height, static_cast<PixelFormat>(format), uint32_t(usage)); |
| } |
| |
| status_t H2BGraphicBufferProducer::allowAllocation(bool allow) { |
| return toStatusT(mBase->allowAllocation(allow)); |
| } |
| |
| status_t H2BGraphicBufferProducer::setGenerationNumber(uint32_t generationNumber) { |
| return toStatusT(mBase->setGenerationNumber(generationNumber)); |
| } |
| |
| String8 H2BGraphicBufferProducer::getConsumerName() const { |
| String8 lName; |
| mBase->getConsumerName([&lName] (hidl_string const& name) { |
| lName = name.c_str(); |
| }); |
| return lName; |
| } |
| |
| status_t H2BGraphicBufferProducer::setSharedBufferMode(bool sharedBufferMode) { |
| return toStatusT(mBase->setSharedBufferMode(sharedBufferMode)); |
| } |
| |
| status_t H2BGraphicBufferProducer::setAutoRefresh(bool autoRefresh) { |
| return toStatusT(mBase->setAutoRefresh(autoRefresh)); |
| } |
| |
| status_t H2BGraphicBufferProducer::setDequeueTimeout(nsecs_t timeout) { |
| return toStatusT(mBase->setDequeueTimeout(static_cast<int64_t>(timeout))); |
| } |
| |
| status_t H2BGraphicBufferProducer::getLastQueuedBuffer( |
| sp<GraphicBuffer>* outBuffer, |
| sp<Fence>* outFence, |
| float outTransformMatrix[16]) { |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->getLastQueuedBuffer( |
| [&fnStatus, outBuffer, outFence, &outTransformMatrix] ( |
| Status status, |
| AnwBuffer const& buffer, |
| hidl_handle const& fence, |
| hidl_array<float, 16> const& transformMatrix) { |
| fnStatus = toStatusT(status); |
| *outBuffer = new GraphicBuffer(); |
| if (!convertTo(outBuffer->get(), buffer)) { |
| ALOGE("H2BGraphicBufferProducer::getLastQueuedBuffer - " |
| "Invalid output buffer"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| *outFence = new Fence(); |
| if (!convertTo(outFence->get(), fence)) { |
| ALOGE("H2BGraphicBufferProducer::getLastQueuedBuffer - " |
| "Invalid output fence"); |
| fnStatus = fnStatus == NO_ERROR ? BAD_VALUE : fnStatus; |
| } |
| std::copy(transformMatrix.data(), |
| transformMatrix.data() + 16, |
| outTransformMatrix); |
| })); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| void H2BGraphicBufferProducer::getFrameTimestamps(FrameEventHistoryDelta* outDelta) { |
| mBase->getFrameTimestamps([outDelta] ( |
| HGraphicBufferProducer::FrameEventHistoryDelta const& tDelta) { |
| convertTo(outDelta, tDelta); |
| }); |
| } |
| |
| status_t H2BGraphicBufferProducer::getUniqueId(uint64_t* outId) const { |
| status_t fnStatus; |
| status_t transStatus = toStatusT(mBase->getUniqueId( |
| [&fnStatus, outId] (Status status, uint64_t id) { |
| fnStatus = toStatusT(status); |
| *outId = id; |
| })); |
| return transStatus == NO_ERROR ? fnStatus : transStatus; |
| } |
| |
| status_t H2BGraphicBufferProducer::getConsumerUsage(uint64_t* outUsage) const { |
| ALOGW("getConsumerUsage is not fully supported"); |
| int result; |
| status_t transStatus = toStatusT(mBase->query( |
| NATIVE_WINDOW_CONSUMER_USAGE_BITS, |
| [&result, outUsage] (int32_t tResult, int32_t tValue) { |
| result = static_cast<int>(tResult); |
| *outUsage = static_cast<uint64_t>(tValue); |
| })); |
| return transStatus == NO_ERROR ? result : static_cast<int>(transStatus); |
| } |
| |
| } // namespace utils |
| } // namespace V1_0 |
| } // namespace bufferqueue |
| } // namespace graphics |
| } // namespace hardware |
| } // namespace android |