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594 lines
23 KiB
594 lines
23 KiB
/*
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* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define DEBUG 0
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#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
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#include <string.h>
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#include <sync/sync.h>
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#include <algorithm>
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#include <sstream>
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#include <string>
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#include <cutils/trace.h>
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#include <log/log.h>
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#include <utils/Trace.h>
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#include "gr_device_impl.h"
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#include "gr_buf_descriptor.h"
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#include "gralloc_priv.h"
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#include "qd_utils.h"
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#include "qdMetaData.h"
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#include "gr_utils.h"
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int gralloc_device_open(const struct hw_module_t *module, const char *name, hw_device_t **device);
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int gralloc_device_close(struct hw_device_t *device);
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static struct hw_module_methods_t gralloc_module_methods = {.open = gralloc_device_open};
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struct gralloc_module_t HAL_MODULE_INFO_SYM = {
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.common = {
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.tag = HARDWARE_MODULE_TAG,
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.module_api_version = GRALLOC_MODULE_API_VERSION_1_0,
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.hal_api_version = HARDWARE_HAL_API_VERSION,
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.id = GRALLOC_HARDWARE_MODULE_ID,
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.name = "Graphics Memory Module",
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.author = "Code Aurora Forum",
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.methods = &gralloc_module_methods,
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.dso = 0,
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.reserved = {0},
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},
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};
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int gralloc_device_open(const struct hw_module_t *module, const char *name, hw_device_t **device) {
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int status = -EINVAL;
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if (!strcmp(name, GRALLOC_HARDWARE_MODULE_ID)) {
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gralloc1::GrallocImpl * /*gralloc1_device_t*/ dev = gralloc1::GrallocImpl::GetInstance(module);
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*device = reinterpret_cast<hw_device_t *>(dev);
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if (dev) {
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status = 0;
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} else {
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ALOGE("Fatal error opening gralloc1 device");
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}
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}
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return status;
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}
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namespace gralloc1 {
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GrallocImpl::GrallocImpl(const hw_module_t *module) {
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common.tag = HARDWARE_DEVICE_TAG;
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common.version = GRALLOC_MODULE_API_VERSION_1_0;
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common.module = const_cast<hw_module_t *>(module);
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common.close = CloseDevice;
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getFunction = GetFunction;
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getCapabilities = GetCapabilities;
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initalized_ = Init();
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}
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bool GrallocImpl::Init() {
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buf_mgr_ = BufferManager::GetInstance();
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return buf_mgr_ != nullptr;
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}
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GrallocImpl::~GrallocImpl() {
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}
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int GrallocImpl::CloseDevice(hw_device_t *device __unused) {
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// No-op since the gralloc device is a singleton
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return 0;
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}
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void GrallocImpl::GetCapabilities(struct gralloc1_device *device, uint32_t *out_count,
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int32_t /*gralloc1_capability_t*/ *out_capabilities) {
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if (device != nullptr) {
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if (out_capabilities != nullptr && *out_count >= 3) {
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out_capabilities[0] = GRALLOC1_CAPABILITY_TEST_ALLOCATE;
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out_capabilities[1] = GRALLOC1_CAPABILITY_LAYERED_BUFFERS;
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out_capabilities[2] = GRALLOC1_CAPABILITY_RELEASE_IMPLY_DELETE;
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}
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*out_count = 3;
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}
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return;
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}
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gralloc1_function_pointer_t GrallocImpl::GetFunction(gralloc1_device_t *device, int32_t function) {
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if (!device) {
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return NULL;
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}
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switch (function) {
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case GRALLOC1_FUNCTION_DUMP:
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return reinterpret_cast<gralloc1_function_pointer_t>(Dump);
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case GRALLOC1_FUNCTION_CREATE_DESCRIPTOR:
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return reinterpret_cast<gralloc1_function_pointer_t>(CreateBufferDescriptor);
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case GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR:
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return reinterpret_cast<gralloc1_function_pointer_t>(DestroyBufferDescriptor);
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case GRALLOC1_FUNCTION_SET_CONSUMER_USAGE:
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return reinterpret_cast<gralloc1_function_pointer_t>(SetConsumerUsage);
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case GRALLOC1_FUNCTION_SET_DIMENSIONS:
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return reinterpret_cast<gralloc1_function_pointer_t>(SetBufferDimensions);
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case GRALLOC1_FUNCTION_SET_FORMAT:
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return reinterpret_cast<gralloc1_function_pointer_t>(SetColorFormat);
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case GRALLOC1_FUNCTION_SET_LAYER_COUNT:
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return reinterpret_cast<gralloc1_function_pointer_t>(SetLayerCount);
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case GRALLOC1_FUNCTION_SET_PRODUCER_USAGE:
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return reinterpret_cast<gralloc1_function_pointer_t>(SetProducerUsage);
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case GRALLOC1_FUNCTION_GET_BACKING_STORE:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetBackingStore);
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case GRALLOC1_FUNCTION_GET_CONSUMER_USAGE:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetConsumerUsage);
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case GRALLOC1_FUNCTION_GET_DIMENSIONS:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetBufferDimensions);
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case GRALLOC1_FUNCTION_GET_FORMAT:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetColorFormat);
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case GRALLOC1_FUNCTION_GET_LAYER_COUNT:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetLayerCount);
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case GRALLOC1_FUNCTION_GET_PRODUCER_USAGE:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetProducerUsage);
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case GRALLOC1_FUNCTION_GET_STRIDE:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetBufferStride);
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case GRALLOC1_FUNCTION_ALLOCATE:
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return reinterpret_cast<gralloc1_function_pointer_t>(AllocateBuffers);
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case GRALLOC1_FUNCTION_RETAIN:
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return reinterpret_cast<gralloc1_function_pointer_t>(RetainBuffer);
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case GRALLOC1_FUNCTION_RELEASE:
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return reinterpret_cast<gralloc1_function_pointer_t>(ReleaseBuffer);
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case GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES:
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return reinterpret_cast<gralloc1_function_pointer_t>(GetNumFlexPlanes);
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case GRALLOC1_FUNCTION_LOCK:
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return reinterpret_cast<gralloc1_function_pointer_t>(LockBuffer);
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case GRALLOC1_FUNCTION_LOCK_FLEX:
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return reinterpret_cast<gralloc1_function_pointer_t>(LockFlex);
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case GRALLOC1_FUNCTION_UNLOCK:
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return reinterpret_cast<gralloc1_function_pointer_t>(UnlockBuffer);
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case GRALLOC1_FUNCTION_PERFORM:
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return reinterpret_cast<gralloc1_function_pointer_t>(Gralloc1Perform);
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case GRALLOC1_FUNCTION_VALIDATE_BUFFER_SIZE:
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return reinterpret_cast<gralloc1_function_pointer_t>(validateBufferSize);
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case GRALLOC1_FUNCTION_GET_TRANSPORT_SIZE:
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return reinterpret_cast<gralloc1_function_pointer_t>(getTransportSize);
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case GRALLOC1_FUNCTION_IMPORT_BUFFER:
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return reinterpret_cast<gralloc1_function_pointer_t>(importBuffer);
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default:
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ALOGE("%s:Gralloc Error. Client Requested for unsupported function", __FUNCTION__);
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return NULL;
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}
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return NULL;
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}
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gralloc1_error_t GrallocImpl::Dump(gralloc1_device_t *device, uint32_t *out_size,
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char *out_buffer) {
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if (!device) {
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ALOGE("Gralloc Error : device=%p", (void *)device);
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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}
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const size_t max_dump_size = 8192;
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if (out_buffer == nullptr) {
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*out_size = max_dump_size;
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} else {
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std::ostringstream os;
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os << "-------------------------------" << std::endl;
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os << "QTI gralloc dump:" << std::endl;
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os << "-------------------------------" << std::endl;
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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dev->buf_mgr_->Dump(&os);
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os << "-------------------------------" << std::endl;
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auto copied = os.str().copy(out_buffer, std::min(os.str().size(), max_dump_size), 0);
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*out_size = UINT(copied);
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}
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return GRALLOC1_ERROR_NONE;
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}
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gralloc1_error_t GrallocImpl::CheckDeviceAndHandle(gralloc1_device_t *device,
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buffer_handle_t buffer) {
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const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
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if (!device || (private_handle_t::validate(hnd) != 0)) {
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ALOGE("Gralloc Error : device= %p, buffer-handle=%p", (void *)device, (void *)buffer);
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return GRALLOC1_ERROR_BAD_HANDLE;
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}
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return GRALLOC1_ERROR_NONE;
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}
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gralloc1_error_t GrallocImpl::CreateBufferDescriptor(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t *out_descriptor) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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}
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->CreateBufferDescriptor(out_descriptor);
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}
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gralloc1_error_t GrallocImpl::DestroyBufferDescriptor(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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}
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->DestroyBufferDescriptor(descriptor);
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}
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gralloc1_error_t GrallocImpl::SetConsumerUsage(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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gralloc1_consumer_usage_t usage) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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} else {
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->CallBufferDescriptorFunction(descriptor,
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&BufferDescriptor::SetConsumerUsage, usage);
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}
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}
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gralloc1_error_t GrallocImpl::SetBufferDimensions(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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uint32_t width, uint32_t height) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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} else {
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->CallBufferDescriptorFunction(descriptor,
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&BufferDescriptor::SetDimensions,
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INT(width), INT(height));
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}
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}
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gralloc1_error_t GrallocImpl::SetColorFormat(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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int32_t format) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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} else {
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->CallBufferDescriptorFunction(descriptor,
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&BufferDescriptor::SetColorFormat, format);
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}
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}
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gralloc1_error_t GrallocImpl::SetLayerCount(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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uint32_t layer_count) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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} else {
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->CallBufferDescriptorFunction(descriptor,
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&BufferDescriptor::SetLayerCount,
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layer_count);
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}
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}
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gralloc1_error_t GrallocImpl::SetProducerUsage(gralloc1_device_t *device,
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gralloc1_buffer_descriptor_t descriptor,
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gralloc1_producer_usage_t usage) {
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if (!device) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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} else {
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->CallBufferDescriptorFunction(descriptor,
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&BufferDescriptor::SetProducerUsage, usage);
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}
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}
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gralloc1_error_t GrallocImpl::GetBackingStore(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_backing_store_t *out_backstore) {
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if (!device || !buffer) {
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return GRALLOC1_ERROR_BAD_HANDLE;
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}
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*out_backstore =
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static_cast<gralloc1_backing_store_t>(PRIV_HANDLE_CONST(buffer)->GetBackingstore());
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return GRALLOC1_ERROR_NONE;
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}
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gralloc1_error_t GrallocImpl::GetConsumerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_consumer_usage_t *outUsage) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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*outUsage = PRIV_HANDLE_CONST(buffer)->GetConsumerUsage();
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::GetBufferDimensions(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *outWidth, uint32_t *outHeight) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
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*outWidth = UINT(hnd->GetUnalignedWidth());
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*outHeight = UINT(hnd->GetUnalignedHeight());
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::GetColorFormat(gralloc1_device_t *device, buffer_handle_t buffer,
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int32_t *outFormat) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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*outFormat = PRIV_HANDLE_CONST(buffer)->GetColorFormat();
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::GetLayerCount(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *outLayerCount) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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*outLayerCount = PRIV_HANDLE_CONST(buffer)->GetLayerCount();
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::GetProducerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_producer_usage_t *outUsage) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
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*outUsage = hnd->GetProducerUsage();
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::GetBufferStride(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *outStride) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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*outStride = UINT(PRIV_HANDLE_CONST(buffer)->GetStride());
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::AllocateBuffers(gralloc1_device_t *device, uint32_t num_descriptors,
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const gralloc1_buffer_descriptor_t *descriptors,
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buffer_handle_t *out_buffers) {
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if (!num_descriptors || !descriptors) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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}
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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gralloc1_error_t status = dev->buf_mgr_->AllocateBuffers(num_descriptors, descriptors,
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out_buffers);
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return status;
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}
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gralloc1_error_t GrallocImpl::RetainBuffer(gralloc1_device_t *device, buffer_handle_t buffer) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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status = dev->buf_mgr_->RetainBuffer(hnd);
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}
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return status;
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}
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gralloc1_error_t GrallocImpl::ReleaseBuffer(gralloc1_device_t *device, buffer_handle_t buffer) {
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if (!device || !buffer) {
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return GRALLOC1_ERROR_BAD_DESCRIPTOR;
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}
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const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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return dev->buf_mgr_->ReleaseBuffer(hnd);
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}
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gralloc1_error_t GrallocImpl::GetNumFlexPlanes(gralloc1_device_t *device, buffer_handle_t buffer,
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uint32_t *out_num_planes) {
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status == GRALLOC1_ERROR_NONE) {
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GrallocImpl const *dev = GRALLOC_IMPL(device);
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const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
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status = dev->buf_mgr_->GetNumFlexPlanes(hnd, out_num_planes);
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}
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return status;
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}
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static inline void CloseFdIfValid(int fd) {
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if (fd > 0) {
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close(fd);
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}
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}
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gralloc1_error_t GrallocImpl::LockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
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gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage,
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const gralloc1_rect_t *region, void **out_data,
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int32_t acquire_fence) {
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ATRACE_CALL();
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gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
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if (status != GRALLOC1_ERROR_NONE) {
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CloseFdIfValid(acquire_fence);
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return status;
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}
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if (acquire_fence > 0) {
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ATRACE_BEGIN("fence wait");
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int error = sync_wait(acquire_fence, 1000);
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ATRACE_END();
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CloseFdIfValid(acquire_fence);
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if (error < 0) {
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ALOGE("%s: sync_wait timedout! error = %s", __FUNCTION__, strerror(errno));
|
|
return GRALLOC1_ERROR_UNDEFINED;
|
|
}
|
|
}
|
|
|
|
const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
|
|
GrallocImpl const *dev = GRALLOC_IMPL(device);
|
|
|
|
// Either producer usage or consumer usage must be *_USAGE_NONE
|
|
if ((prod_usage != GRALLOC1_PRODUCER_USAGE_NONE) &&
|
|
(cons_usage != GRALLOC1_CONSUMER_USAGE_NONE)) {
|
|
// Current gralloc1 clients do not satisfy this restriction.
|
|
// See b/33588773 for details
|
|
// return GRALLOC1_ERROR_BAD_VALUE;
|
|
}
|
|
|
|
// currently we ignore the region/rect client wants to lock
|
|
if (region == NULL) {
|
|
return GRALLOC1_ERROR_BAD_VALUE;
|
|
}
|
|
// TODO(user): Need to check if buffer was allocated with the same flags
|
|
status = dev->buf_mgr_->LockBuffer(hnd, prod_usage, cons_usage);
|
|
|
|
*out_data = reinterpret_cast<void *>(hnd->base);
|
|
|
|
return status;
|
|
}
|
|
|
|
gralloc1_error_t GrallocImpl::LockFlex(gralloc1_device_t *device, buffer_handle_t buffer,
|
|
gralloc1_producer_usage_t prod_usage,
|
|
gralloc1_consumer_usage_t cons_usage,
|
|
const gralloc1_rect_t *region,
|
|
struct android_flex_layout *out_flex_layout,
|
|
int32_t acquire_fence) {
|
|
void *out_data;
|
|
gralloc1_error_t status = GrallocImpl::LockBuffer(device, buffer, prod_usage, cons_usage, region,
|
|
&out_data, acquire_fence);
|
|
if (status != GRALLOC1_ERROR_NONE) {
|
|
return status;
|
|
}
|
|
|
|
GrallocImpl const *dev = GRALLOC_IMPL(device);
|
|
const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
|
|
dev->buf_mgr_->GetFlexLayout(hnd, out_flex_layout);
|
|
return status;
|
|
}
|
|
|
|
gralloc1_error_t GrallocImpl::UnlockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
|
|
int32_t *release_fence) {
|
|
gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
|
|
|
|
if (status != GRALLOC1_ERROR_NONE) {
|
|
return status;
|
|
}
|
|
|
|
const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
|
|
GrallocImpl const *dev = GRALLOC_IMPL(device);
|
|
|
|
*release_fence = -1;
|
|
|
|
return dev->buf_mgr_->UnlockBuffer(hnd);
|
|
}
|
|
|
|
gralloc1_error_t GrallocImpl::Gralloc1Perform(gralloc1_device_t *device, int operation, ...) {
|
|
va_list args;
|
|
va_start(args, operation);
|
|
GrallocImpl const *dev = GRALLOC_IMPL(device);
|
|
gralloc1_error_t err = dev->buf_mgr_->Perform(operation, args);
|
|
va_end(args);
|
|
|
|
return err;
|
|
}
|
|
|
|
gralloc1_error_t GrallocImpl::validateBufferSize(gralloc1_device_t *device,
|
|
buffer_handle_t buffer,
|
|
const gralloc1_buffer_descriptor_info_t *info,
|
|
uint32_t /* stride */) {
|
|
GrallocImpl const *dev = GRALLOC_IMPL(device);
|
|
auto hnd = static_cast<private_handle_t *>(const_cast<native_handle_t *>(buffer));
|
|
if (dev != NULL && buffer != NULL && private_handle_t::validate(hnd) == 0) {
|
|
if (dev->buf_mgr_->IsBufferImported(hnd) != GRALLOC1_ERROR_NONE) {
|
|
return GRALLOC1_ERROR_BAD_HANDLE;
|
|
}
|
|
BufferDescriptor descriptor(info->width, info->height, info->format);
|
|
gralloc1_producer_usage_t prod_usage = static_cast<gralloc1_producer_usage_t >
|
|
(info->producerUsage);
|
|
|
|
gralloc1_consumer_usage_t con_usage = static_cast<gralloc1_consumer_usage_t >
|
|
(info->consumerUsage);
|
|
descriptor.SetProducerUsage(prod_usage);
|
|
descriptor.SetConsumerUsage(con_usage);
|
|
descriptor.SetLayerCount(info->layerCount);
|
|
|
|
return dev->buf_mgr_->ValidateBufferSize(hnd, descriptor);
|
|
}
|
|
return GRALLOC1_ERROR_BAD_HANDLE;
|
|
}
|
|
|
|
gralloc1_error_t GrallocImpl::getTransportSize(gralloc1_device_t* /* device */,
|
|
buffer_handle_t buffer,
|
|
uint32_t *out_num_fds, uint32_t *out_num_ints) {
|
|
auto err = GRALLOC1_ERROR_BAD_HANDLE;
|
|
auto hnd = static_cast<private_handle_t *>(const_cast<native_handle_t *>(buffer));
|
|
if (buffer != NULL && private_handle_t::validate(hnd) == 0) {
|
|
*out_num_fds = 2; // Verify
|
|
*out_num_ints = static_cast<uint32_t >(hnd->numInts);
|
|
err = GRALLOC1_ERROR_NONE;
|
|
}
|
|
ALOGD_IF(DEBUG, "GetTransportSize: num fds: %d num ints: %d err:%d",
|
|
*out_num_fds, *out_num_ints, err);
|
|
return err;
|
|
}
|
|
|
|
gralloc1_error_t GrallocImpl::importBuffer(gralloc1_device_t *device, const buffer_handle_t raw_handle,
|
|
buffer_handle_t *out_handle) {
|
|
if (!raw_handle) {
|
|
ALOGE("%s: handle is NULL", __FUNCTION__);
|
|
*out_handle = NULL;
|
|
return GRALLOC1_ERROR_BAD_HANDLE;
|
|
}
|
|
|
|
native_handle_t *buffer_handle = native_handle_clone(raw_handle);
|
|
if (!buffer_handle) {
|
|
ALOGE("%s: Unable to clone handle", __FUNCTION__);
|
|
*out_handle = NULL;
|
|
return GRALLOC1_ERROR_NO_RESOURCES;
|
|
}
|
|
|
|
GrallocImpl const *dev = GRALLOC_IMPL(device);
|
|
auto error = dev->buf_mgr_->RetainBuffer(PRIV_HANDLE_CONST(buffer_handle));
|
|
if (error != GRALLOC1_ERROR_NONE) {
|
|
ALOGE("%s: Unable to retain handle: %p", __FUNCTION__, buffer_handle);
|
|
native_handle_close(buffer_handle);
|
|
native_handle_delete(buffer_handle);
|
|
*out_handle = NULL;
|
|
return error;
|
|
}
|
|
ALOGD_IF(DEBUG, "Imported handle: %p id: %" PRIu64, buffer_handle,
|
|
PRIV_HANDLE_CONST(buffer_handle)->id);
|
|
|
|
*out_handle = buffer_handle;
|
|
return GRALLOC1_ERROR_NONE;
|
|
}
|
|
|
|
} // namespace gralloc1
|