/*
* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <log/log.h>
#include <algorithm>
#include <vector>
#include "gr_utils.h"
#include "gr_allocator.h"
#include "gralloc_priv.h"
#include "qd_utils.h"
#ifndef ION_FLAG_CP_PIXEL
#define ION_FLAG_CP_PIXEL 0
#endif
#ifndef ION_FLAG_ALLOW_NON_CONTIG
#define ION_FLAG_ALLOW_NON_CONTIG 0
#endif
#ifndef ION_FLAG_CP_CAMERA_PREVIEW
#define ION_FLAG_CP_CAMERA_PREVIEW 0
#endif
#ifdef MASTER_SIDE_CP
#define CP_HEAP_ID ION_SECURE_HEAP_ID
#define SD_HEAP_ID ION_SECURE_DISPLAY_HEAP_ID
#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_CP_PIXEL)
#define ION_SD_FLAGS (ION_SECURE | ION_FLAG_CP_SEC_DISPLAY)
#define ION_SC_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA)
#define ION_SC_PREVIEW_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA_PREVIEW)
#else // SLAVE_SIDE_CP
#define CP_HEAP_ID ION_CP_MM_HEAP_ID
#define SD_HEAP_ID CP_HEAP_ID
#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_ALLOW_NON_CONTIG)
#define ION_SD_FLAGS ION_SECURE
#define ION_SC_FLAGS ION_SECURE
#define ION_SC_PREVIEW_FLAGS ION_SECURE
#endif
using std::vector;
using std::shared_ptr;
namespace gralloc1 {
static BufferInfo GetBufferInfo(const BufferDescriptor &descriptor) {
return BufferInfo(descriptor.GetWidth(), descriptor.GetHeight(), descriptor.GetFormat(),
descriptor.GetProducerUsage(), descriptor.GetConsumerUsage());
}
Allocator::Allocator() : ion_allocator_(NULL) {
}
bool Allocator::Init() {
ion_allocator_ = new IonAlloc();
if (!ion_allocator_->Init()) {
return false;
}
return true;
}
Allocator::~Allocator() {
if (ion_allocator_) {
delete ion_allocator_;
}
}
int Allocator::AllocateMem(AllocData *alloc_data, gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage) {
int ret;
alloc_data->uncached = UseUncached(prod_usage, cons_usage);
// After this point we should have the right heap set, there is no fallback
GetIonHeapInfo(prod_usage, cons_usage, &alloc_data->heap_id, &alloc_data->alloc_type,
&alloc_data->flags);
ret = ion_allocator_->AllocBuffer(alloc_data);
if (ret >= 0) {
alloc_data->alloc_type |= private_handle_t::PRIV_FLAGS_USES_ION;
} else {
ALOGE("%s: Failed to allocate buffer - heap: 0x%x flags: 0x%x", __FUNCTION__,
alloc_data->heap_id, alloc_data->flags);
}
return ret;
}
int Allocator::MapBuffer(void **base, unsigned int size, unsigned int offset, int fd) {
if (ion_allocator_) {
return ion_allocator_->MapBuffer(base, size, offset, fd);
}
return -EINVAL;
}
int Allocator::ImportBuffer(int fd) {
if (ion_allocator_) {
return ion_allocator_->ImportBuffer(fd);
}
return -EINVAL;
}
int Allocator::FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd,
int handle) {
if (ion_allocator_) {
return ion_allocator_->FreeBuffer(base, size, offset, fd, handle);
}
return -EINVAL;
}
int Allocator::CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op) {
if (ion_allocator_) {
return ion_allocator_->CleanBuffer(base, size, offset, handle, op);
}
return -EINVAL;
}
bool Allocator::CheckForBufferSharing(uint32_t num_descriptors,
const vector<shared_ptr<BufferDescriptor>>& descriptors,
ssize_t *max_index) {
unsigned int cur_heap_id = 0, prev_heap_id = 0;
unsigned int cur_alloc_type = 0, prev_alloc_type = 0;
unsigned int cur_ion_flags = 0, prev_ion_flags = 0;
bool cur_uncached = false, prev_uncached = false;
unsigned int alignedw, alignedh;
unsigned int max_size = 0;
*max_index = -1;
for (uint32_t i = 0; i < num_descriptors; i++) {
// Check Cached vs non-cached and all the ION flags
cur_uncached = UseUncached(descriptors[i]->GetProducerUsage(),
descriptors[i]->GetConsumerUsage());
GetIonHeapInfo(descriptors[i]->GetProducerUsage(), descriptors[i]->GetConsumerUsage(),
&cur_heap_id, &cur_alloc_type, &cur_ion_flags);
if (i > 0 && (cur_heap_id != prev_heap_id || cur_alloc_type != prev_alloc_type ||
cur_ion_flags != prev_ion_flags)) {
return false;
}
// For same format type, find the descriptor with bigger size
GetAlignedWidthAndHeight(GetBufferInfo(*descriptors[i]), &alignedw, &alignedh);
unsigned int size = GetSize(GetBufferInfo(*descriptors[i]), alignedw, alignedh);
if (max_size < size) {
*max_index = INT(i);
max_size = size;
}
prev_heap_id = cur_heap_id;
prev_uncached = cur_uncached;
prev_ion_flags = cur_ion_flags;
prev_alloc_type = cur_alloc_type;
}
return true;
}
int Allocator::GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage, int format) {
int gr_format = format;
// If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
// the usage bits, gralloc assigns a format.
if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ALLOC_UBWC) {
gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER) {
gr_format = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; // NV12
} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_CAMERA) {
if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
// Assumed ZSL if both producer and consumer camera flags set
gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
} else {
gr_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; // NV21
}
} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
} else {
gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; // NV12 preview
}
} else if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
// XXX: If we still haven't set a format, default to RGBA8888
gr_format = HAL_PIXEL_FORMAT_RGBA_8888;
} else if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
// If no other usage flags are detected, default the
// flexible YUV format to NV21_ZSL
gr_format = HAL_PIXEL_FORMAT_NV21_ZSL;
}
}
return gr_format;
}
/* The default policy is to return cached buffers unless the client explicity
* sets the PRIVATE_UNCACHED flag or indicates that the buffer will be rarely
* read or written in software. */
bool Allocator::UseUncached(gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage) {
if ((prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_UNCACHED) ||
(prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED)) {
return true;
}
// CPU read rarely
if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) &&
!(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN)) {
return true;
}
// CPU write rarely
if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) &&
!(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) {
return true;
}
if ((prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) ||
(cons_usage & GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER)) {
return true;
}
return false;
}
void Allocator::GetIonHeapInfo(gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage, unsigned int *ion_heap_id,
unsigned int *alloc_type, unsigned int *ion_flags) {
unsigned int heap_id = 0;
unsigned int type = 0;
uint32_t flags = 0;
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED) {
if (cons_usage & GRALLOC1_CONSUMER_USAGE_PRIVATE_SECURE_DISPLAY) {
heap_id = ION_HEAP(SD_HEAP_ID);
/*
* There is currently no flag in ION for Secure Display
* VM. Please add it to the define once available.
*/
flags |= UINT(ION_SD_FLAGS);
} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
heap_id = ION_HEAP(SD_HEAP_ID);
if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
flags |= UINT(ION_SC_PREVIEW_FLAGS);
} else {
flags |= UINT(ION_SC_FLAGS);
}
} else {
heap_id = ION_HEAP(CP_HEAP_ID);
flags |= UINT(ION_CP_FLAGS);
}
} else if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_MM_HEAP) {
// MM Heap is exclusively a secure heap.
// If it is used for non secure cases, fallback to IOMMU heap
ALOGW("MM_HEAP cannot be used as an insecure heap. Using system heap instead!!");
heap_id |= ION_HEAP(ION_SYSTEM_HEAP_ID);
}
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_CAMERA_HEAP) {
heap_id |= ION_HEAP(ION_CAMERA_HEAP_ID);
}
if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ADSP_HEAP ||
prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) {
heap_id |= ION_HEAP(ION_ADSP_HEAP_ID);
}
if (flags & UINT(ION_SECURE)) {
type |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
}
// if no ion heap flags are set, default to system heap
if (!heap_id) {
heap_id = ION_HEAP(ION_SYSTEM_HEAP_ID);
}
*alloc_type = type;
*ion_flags = flags;
*ion_heap_id = heap_id;
return;
}
} // namespace gralloc1