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313 lines
11 KiB
313 lines
11 KiB
/*
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* Copyright (c) 2011-2017, 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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#include <log/log.h>
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#include <algorithm>
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#include <vector>
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#include "gr_utils.h"
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#include "gr_allocator.h"
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#include "gralloc_priv.h"
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#include "qd_utils.h"
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#ifndef ION_FLAG_CP_PIXEL
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#define ION_FLAG_CP_PIXEL 0
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#endif
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#ifndef ION_FLAG_ALLOW_NON_CONTIG
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#define ION_FLAG_ALLOW_NON_CONTIG 0
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#endif
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#ifndef ION_FLAG_CP_CAMERA_PREVIEW
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#define ION_FLAG_CP_CAMERA_PREVIEW 0
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#endif
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#ifdef MASTER_SIDE_CP
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#define CP_HEAP_ID ION_SECURE_HEAP_ID
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#define SD_HEAP_ID ION_SECURE_DISPLAY_HEAP_ID
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#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_CP_PIXEL)
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#define ION_SD_FLAGS (ION_SECURE | ION_FLAG_CP_SEC_DISPLAY)
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#define ION_SC_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA)
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#define ION_SC_PREVIEW_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA_PREVIEW)
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#else // SLAVE_SIDE_CP
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#define CP_HEAP_ID ION_CP_MM_HEAP_ID
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#define SD_HEAP_ID CP_HEAP_ID
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#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_ALLOW_NON_CONTIG)
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#define ION_SD_FLAGS ION_SECURE
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#define ION_SC_FLAGS ION_SECURE
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#define ION_SC_PREVIEW_FLAGS ION_SECURE
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#endif
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using std::vector;
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using std::shared_ptr;
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namespace gralloc1 {
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static BufferInfo GetBufferInfo(const BufferDescriptor &descriptor) {
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return BufferInfo(descriptor.GetWidth(), descriptor.GetHeight(), descriptor.GetFormat(),
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descriptor.GetProducerUsage(), descriptor.GetConsumerUsage());
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}
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Allocator::Allocator() : ion_allocator_(NULL) {
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}
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bool Allocator::Init() {
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ion_allocator_ = new IonAlloc();
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if (!ion_allocator_->Init()) {
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return false;
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}
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return true;
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}
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Allocator::~Allocator() {
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if (ion_allocator_) {
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delete ion_allocator_;
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}
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}
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int Allocator::AllocateMem(AllocData *alloc_data, gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage) {
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int ret;
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alloc_data->uncached = UseUncached(prod_usage, cons_usage);
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// After this point we should have the right heap set, there is no fallback
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GetIonHeapInfo(prod_usage, cons_usage, &alloc_data->heap_id, &alloc_data->alloc_type,
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&alloc_data->flags);
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ret = ion_allocator_->AllocBuffer(alloc_data);
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if (ret >= 0) {
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alloc_data->alloc_type |= private_handle_t::PRIV_FLAGS_USES_ION;
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} else {
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ALOGE("%s: Failed to allocate buffer - heap: 0x%x flags: 0x%x", __FUNCTION__,
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alloc_data->heap_id, alloc_data->flags);
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}
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return ret;
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}
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int Allocator::MapBuffer(void **base, unsigned int size, unsigned int offset, int fd) {
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if (ion_allocator_) {
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return ion_allocator_->MapBuffer(base, size, offset, fd);
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}
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return -EINVAL;
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}
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int Allocator::ImportBuffer(int fd) {
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if (ion_allocator_) {
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return ion_allocator_->ImportBuffer(fd);
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}
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return -EINVAL;
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}
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int Allocator::FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd,
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int handle) {
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if (ion_allocator_) {
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return ion_allocator_->FreeBuffer(base, size, offset, fd, handle);
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}
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return -EINVAL;
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}
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int Allocator::CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op) {
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if (ion_allocator_) {
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return ion_allocator_->CleanBuffer(base, size, offset, handle, op);
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}
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return -EINVAL;
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}
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bool Allocator::CheckForBufferSharing(uint32_t num_descriptors,
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const vector<shared_ptr<BufferDescriptor>>& descriptors,
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ssize_t *max_index) {
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unsigned int cur_heap_id = 0, prev_heap_id = 0;
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unsigned int cur_alloc_type = 0, prev_alloc_type = 0;
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unsigned int cur_ion_flags = 0, prev_ion_flags = 0;
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bool cur_uncached = false, prev_uncached = false;
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unsigned int alignedw, alignedh;
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unsigned int max_size = 0;
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*max_index = -1;
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for (uint32_t i = 0; i < num_descriptors; i++) {
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// Check Cached vs non-cached and all the ION flags
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cur_uncached = UseUncached(descriptors[i]->GetProducerUsage(),
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descriptors[i]->GetConsumerUsage());
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GetIonHeapInfo(descriptors[i]->GetProducerUsage(), descriptors[i]->GetConsumerUsage(),
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&cur_heap_id, &cur_alloc_type, &cur_ion_flags);
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if (i > 0 && (cur_heap_id != prev_heap_id || cur_alloc_type != prev_alloc_type ||
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cur_ion_flags != prev_ion_flags)) {
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return false;
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}
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// For same format type, find the descriptor with bigger size
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GetAlignedWidthAndHeight(GetBufferInfo(*descriptors[i]), &alignedw, &alignedh);
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unsigned int size = GetSize(GetBufferInfo(*descriptors[i]), alignedw, alignedh);
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if (max_size < size) {
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*max_index = INT(i);
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max_size = size;
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}
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prev_heap_id = cur_heap_id;
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prev_uncached = cur_uncached;
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prev_ion_flags = cur_ion_flags;
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prev_alloc_type = cur_alloc_type;
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}
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return true;
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}
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int Allocator::GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage, int format) {
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int gr_format = format;
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// If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
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// the usage bits, gralloc assigns a format.
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if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
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format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
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if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ALLOC_UBWC) {
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gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
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} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER) {
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gr_format = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; // NV12
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} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_CAMERA) {
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if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
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// Assumed ZSL if both producer and consumer camera flags set
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gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
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} else {
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gr_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; // NV21
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}
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} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
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if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
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gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
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} else {
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gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; // NV12 preview
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}
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} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
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// XXX: If we still haven't set a format, default to RGBA8888
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gr_format = HAL_PIXEL_FORMAT_RGBA_8888;
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} else if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
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// If no other usage flags are detected, default the
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// flexible YUV format to NV21_ZSL
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gr_format = HAL_PIXEL_FORMAT_NV21_ZSL;
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}
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}
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return gr_format;
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}
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/* The default policy is to return cached buffers unless the client explicity
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* sets the PRIVATE_UNCACHED flag or indicates that the buffer will be rarely
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* read or written in software. */
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bool Allocator::UseUncached(gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage) {
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if ((prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_UNCACHED) ||
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(prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED)) {
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return true;
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}
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// CPU read rarely
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if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) &&
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!(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN)) {
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return true;
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}
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// CPU write rarely
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if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) &&
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!(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) {
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return true;
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}
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if ((prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) ||
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(cons_usage & GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER)) {
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return true;
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}
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return false;
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}
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void Allocator::GetIonHeapInfo(gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage, unsigned int *ion_heap_id,
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unsigned int *alloc_type, unsigned int *ion_flags) {
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unsigned int heap_id = 0;
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unsigned int type = 0;
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uint32_t flags = 0;
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if (prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED) {
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if (cons_usage & GRALLOC1_CONSUMER_USAGE_PRIVATE_SECURE_DISPLAY) {
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heap_id = ION_HEAP(SD_HEAP_ID);
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/*
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* There is currently no flag in ION for Secure Display
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* VM. Please add it to the define once available.
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*/
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flags |= UINT(ION_SD_FLAGS);
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} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
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heap_id = ION_HEAP(SD_HEAP_ID);
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if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
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flags |= UINT(ION_SC_PREVIEW_FLAGS);
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} else {
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flags |= UINT(ION_SC_FLAGS);
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}
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} else {
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heap_id = ION_HEAP(CP_HEAP_ID);
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flags |= UINT(ION_CP_FLAGS);
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}
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} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_MM_HEAP) {
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// MM Heap is exclusively a secure heap.
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// If it is used for non secure cases, fallback to IOMMU heap
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ALOGW("MM_HEAP cannot be used as an insecure heap. Using system heap instead!!");
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heap_id |= ION_HEAP(ION_SYSTEM_HEAP_ID);
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}
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if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_CAMERA_HEAP) {
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heap_id |= ION_HEAP(ION_CAMERA_HEAP_ID);
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}
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if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ADSP_HEAP ||
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prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) {
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heap_id |= ION_HEAP(ION_ADSP_HEAP_ID);
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}
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if (flags & UINT(ION_SECURE)) {
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type |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
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}
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// if no ion heap flags are set, default to system heap
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if (!heap_id) {
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heap_id = ION_HEAP(ION_SYSTEM_HEAP_ID);
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}
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*alloc_type = type;
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*ion_flags = flags;
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*ion_heap_id = heap_id;
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return;
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}
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} // namespace gralloc1
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