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Diffstat (limited to 'msm8909/gralloc/gr_allocator.cpp')
| -rw-r--r-- | msm8909/gralloc/gr_allocator.cpp | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/msm8909/gralloc/gr_allocator.cpp b/msm8909/gralloc/gr_allocator.cpp new file mode 100644 index 00000000..330da182 --- /dev/null +++ b/msm8909/gralloc/gr_allocator.cpp @@ -0,0 +1,312 @@ +/* + * 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 |