| /* |
| * Copyright (C) 2007 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 "GraphicBufferMapper" |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| //#define LOG_NDEBUG 0 |
| |
| #include <ui/GraphicBufferMapper.h> |
| |
| #include <grallocusage/GrallocUsageConversion.h> |
| |
| // We would eliminate the non-conforming zero-length array, but we can't since |
| // this is effectively included from the Linux kernel |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wzero-length-array" |
| #include <sync/sync.h> |
| #pragma clang diagnostic pop |
| |
| #include <utils/Log.h> |
| #include <utils/Trace.h> |
| |
| #include <ui/Gralloc2.h> |
| #include <ui/GraphicBuffer.h> |
| |
| #include <system/graphics.h> |
| |
| namespace android { |
| // --------------------------------------------------------------------------- |
| |
| ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper ) |
| |
| GraphicBufferMapper::GraphicBufferMapper() |
| : mMapper(std::make_unique<const Gralloc2::Mapper>()) |
| { |
| } |
| |
| status_t GraphicBufferMapper::importBuffer(buffer_handle_t rawHandle, |
| buffer_handle_t* outHandle) |
| { |
| ATRACE_CALL(); |
| |
| Gralloc2::Error error = mMapper->importBuffer( |
| hardware::hidl_handle(rawHandle), outHandle); |
| |
| ALOGW_IF(error != Gralloc2::Error::NONE, "importBuffer(%p) failed: %d", |
| rawHandle, error); |
| |
| return static_cast<status_t>(error); |
| } |
| |
| status_t GraphicBufferMapper::freeBuffer(buffer_handle_t handle) |
| { |
| ATRACE_CALL(); |
| |
| mMapper->freeBuffer(handle); |
| |
| return NO_ERROR; |
| } |
| |
| static inline Gralloc2::IMapper::Rect asGralloc2Rect(const Rect& rect) { |
| Gralloc2::IMapper::Rect outRect{}; |
| outRect.left = rect.left; |
| outRect.top = rect.top; |
| outRect.width = rect.width(); |
| outRect.height = rect.height(); |
| return outRect; |
| } |
| |
| status_t GraphicBufferMapper::lock(buffer_handle_t handle, uint32_t usage, |
| const Rect& bounds, void** vaddr) |
| { |
| return lockAsync(handle, usage, bounds, vaddr, -1); |
| } |
| |
| status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle, uint32_t usage, |
| const Rect& bounds, android_ycbcr *ycbcr) |
| { |
| return lockAsyncYCbCr(handle, usage, bounds, ycbcr, -1); |
| } |
| |
| status_t GraphicBufferMapper::unlock(buffer_handle_t handle) |
| { |
| int32_t fenceFd = -1; |
| status_t error = unlockAsync(handle, &fenceFd); |
| if (error == NO_ERROR) { |
| sync_wait(fenceFd, -1); |
| close(fenceFd); |
| } |
| return error; |
| } |
| |
| status_t GraphicBufferMapper::lockAsync(buffer_handle_t handle, |
| uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd) |
| { |
| return lockAsync(handle, usage, usage, bounds, vaddr, fenceFd); |
| } |
| |
| status_t GraphicBufferMapper::lockAsync(buffer_handle_t handle, |
| uint64_t producerUsage, uint64_t consumerUsage, const Rect& bounds, |
| void** vaddr, int fenceFd) |
| { |
| ATRACE_CALL(); |
| |
| const uint64_t usage = static_cast<uint64_t>( |
| android_convertGralloc1To0Usage(producerUsage, consumerUsage)); |
| Gralloc2::Error error = mMapper->lock(handle, usage, |
| asGralloc2Rect(bounds), fenceFd, vaddr); |
| |
| ALOGW_IF(error != Gralloc2::Error::NONE, "lock(%p, ...) failed: %d", |
| handle, error); |
| |
| return static_cast<status_t>(error); |
| } |
| |
| static inline bool isValidYCbCrPlane(const android_flex_plane_t& plane) { |
| if (plane.bits_per_component != 8) { |
| ALOGV("Invalid number of bits per component: %d", |
| plane.bits_per_component); |
| return false; |
| } |
| if (plane.bits_used != 8) { |
| ALOGV("Invalid number of bits used: %d", plane.bits_used); |
| return false; |
| } |
| |
| bool hasValidIncrement = plane.h_increment == 1 || |
| (plane.component != FLEX_COMPONENT_Y && plane.h_increment == 2); |
| hasValidIncrement = hasValidIncrement && plane.v_increment > 0; |
| if (!hasValidIncrement) { |
| ALOGV("Invalid increment: h %d v %d", plane.h_increment, |
| plane.v_increment); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| status_t GraphicBufferMapper::lockAsyncYCbCr(buffer_handle_t handle, |
| uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr, int fenceFd) |
| { |
| ATRACE_CALL(); |
| |
| Gralloc2::YCbCrLayout layout; |
| Gralloc2::Error error = mMapper->lock(handle, usage, |
| asGralloc2Rect(bounds), fenceFd, &layout); |
| if (error == Gralloc2::Error::NONE) { |
| ycbcr->y = layout.y; |
| ycbcr->cb = layout.cb; |
| ycbcr->cr = layout.cr; |
| ycbcr->ystride = static_cast<size_t>(layout.yStride); |
| ycbcr->cstride = static_cast<size_t>(layout.cStride); |
| ycbcr->chroma_step = static_cast<size_t>(layout.chromaStep); |
| } |
| |
| return static_cast<status_t>(error); |
| } |
| |
| status_t GraphicBufferMapper::unlockAsync(buffer_handle_t handle, int *fenceFd) |
| { |
| ATRACE_CALL(); |
| |
| *fenceFd = mMapper->unlock(handle); |
| |
| return NO_ERROR; |
| } |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |