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524 lines
18 KiB
524 lines
18 KiB
/*
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* Copyright (C) 2008 The Android Open Source Project
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* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
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#include <limits.h>
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#include <errno.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <cutils/log.h>
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#include <cutils/atomic.h>
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#include <utils/Trace.h>
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#include <hardware/hardware.h>
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#include <hardware/gralloc.h>
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#include "gralloc_priv.h"
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#include "gr.h"
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#include "alloc_controller.h"
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#include "memalloc.h"
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#include <qdMetaData.h>
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using namespace gralloc;
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/*****************************************************************************/
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// Return the type of allocator -
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// these are used for mapping/unmapping
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static IMemAlloc* getAllocator(int flags)
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{
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IMemAlloc* memalloc;
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IAllocController* alloc_ctrl = IAllocController::getInstance();
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memalloc = alloc_ctrl->getAllocator(flags);
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return memalloc;
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}
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static int gralloc_map_metadata(buffer_handle_t handle) {
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private_handle_t* hnd = (private_handle_t*)handle;
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hnd->base_metadata = 0;
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IMemAlloc* memalloc = getAllocator(hnd->flags) ;
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void *mappedAddress = MAP_FAILED;
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unsigned int size = 0;
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if (!(hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)) {
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mappedAddress = MAP_FAILED;
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size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
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int ret = memalloc->map_buffer(&mappedAddress, size,
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hnd->offset_metadata, hnd->fd_metadata);
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if(ret || mappedAddress == MAP_FAILED) {
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ALOGE("Could not mmap metadata for handle %p, fd=%d (%s)",
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hnd, hnd->fd_metadata, strerror(errno));
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return -errno;
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}
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hnd->base_metadata = uint64_t(mappedAddress);
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}
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return 0;
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}
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static int gralloc_map(gralloc_module_t const* module,
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buffer_handle_t handle)
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{
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ATRACE_CALL();
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if(!module)
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return -EINVAL;
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private_handle_t* hnd = (private_handle_t*)handle;
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unsigned int size = 0;
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int err = 0;
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IMemAlloc* memalloc = getAllocator(hnd->flags) ;
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void *mappedAddress = MAP_FAILED;
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hnd->base = 0;
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// Dont map framebuffer and secure buffers
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if (!(hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) &&
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!(hnd->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER)) {
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size = hnd->size;
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err = memalloc->map_buffer(&mappedAddress, size,
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hnd->offset, hnd->fd);
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if(err || mappedAddress == MAP_FAILED) {
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ALOGE("Could not mmap handle %p, fd=%d (%s)",
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handle, hnd->fd, strerror(errno));
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return -errno;
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}
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hnd->base = uint64_t(mappedAddress);
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} else {
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// Cannot map secure buffers or framebuffers, but still need to map
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// metadata for secure buffers.
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// If mapping a secure buffers fails, the framework needs to get
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// an error code.
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err = -EACCES;
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}
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//Allow mapping of metadata for all buffers including secure ones, but not
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//of framebuffer
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int metadata_err = gralloc_map_metadata(handle);
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if (!err) {
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err = metadata_err;
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}
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return err;
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}
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static int gralloc_unmap(gralloc_module_t const* module,
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buffer_handle_t handle)
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{
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ATRACE_CALL();
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int err = -EINVAL;
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if(!module)
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return err;
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private_handle_t* hnd = (private_handle_t*)handle;
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IMemAlloc* memalloc = getAllocator(hnd->flags) ;
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if(!memalloc)
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return err;
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if(hnd->base) {
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err = memalloc->unmap_buffer((void*)hnd->base, hnd->size, hnd->offset);
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if (err) {
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ALOGE("Could not unmap memory at address %p, %s", (void*) hnd->base,
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strerror(errno));
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return -errno;
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}
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hnd->base = 0;
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}
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if(hnd->base_metadata) {
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unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
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err = memalloc->unmap_buffer((void*)hnd->base_metadata,
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size, hnd->offset_metadata);
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if (err) {
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ALOGE("Could not unmap memory at address %p, %s",
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(void*) hnd->base_metadata, strerror(errno));
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return -errno;
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}
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hnd->base_metadata = 0;
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}
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return 0;
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}
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/*****************************************************************************/
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static pthread_mutex_t sMapLock = PTHREAD_MUTEX_INITIALIZER;
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/*****************************************************************************/
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int gralloc_register_buffer(gralloc_module_t const* module,
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buffer_handle_t handle)
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{
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ATRACE_CALL();
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if (!module || private_handle_t::validate(handle) < 0)
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return -EINVAL;
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int err = gralloc_map(module, handle);
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/* Do not fail register_buffer for secure buffers*/
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if (err == -EACCES)
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err = 0;
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return err;
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}
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int gralloc_unregister_buffer(gralloc_module_t const* module,
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buffer_handle_t handle)
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{
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ATRACE_CALL();
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if (!module || private_handle_t::validate(handle) < 0)
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return -EINVAL;
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/*
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* If the buffer has been mapped during a lock operation, it's time
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* to un-map it. It's an error to be here with a locked buffer.
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* NOTE: the framebuffer is handled differently and is never unmapped.
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* Also base and base_metadata are reset.
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*/
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return gralloc_unmap(module, handle);
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}
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int terminateBuffer(gralloc_module_t const* module,
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private_handle_t* hnd)
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{
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ATRACE_CALL();
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if(!module)
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return -EINVAL;
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/*
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* If the buffer has been mapped during a lock operation, it's time
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* to un-map it. It's an error to be here with a locked buffer.
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* NOTE: the framebuffer is handled differently and is never unmapped.
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* Also base and base_metadata are reset.
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*/
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return gralloc_unmap(module, hnd);
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}
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static int gralloc_map_and_invalidate (gralloc_module_t const* module,
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buffer_handle_t handle, int usage)
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{
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ATRACE_CALL();
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if (!module || private_handle_t::validate(handle) < 0)
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return -EINVAL;
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int err = 0;
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private_handle_t* hnd = (private_handle_t*)handle;
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if (usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
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if (hnd->base == 0) {
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// we need to map for real
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pthread_mutex_t* const lock = &sMapLock;
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pthread_mutex_lock(lock);
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err = gralloc_map(module, handle);
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pthread_mutex_unlock(lock);
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}
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if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION and
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hnd->flags & private_handle_t::PRIV_FLAGS_CACHED) {
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//Invalidate if CPU reads in software and there are non-CPU
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//writers. No need to do this for the metadata buffer as it is
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//only read/written in software.
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if ((usage & GRALLOC_USAGE_SW_READ_MASK) and
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(hnd->flags & private_handle_t::PRIV_FLAGS_NON_CPU_WRITER))
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{
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IMemAlloc* memalloc = getAllocator(hnd->flags) ;
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err = memalloc->clean_buffer((void*)hnd->base,
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hnd->size, hnd->offset, hnd->fd,
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CACHE_INVALIDATE);
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}
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//Mark the buffer to be flushed after CPU write.
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if (usage & GRALLOC_USAGE_SW_WRITE_MASK) {
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hnd->flags |= private_handle_t::PRIV_FLAGS_NEEDS_FLUSH;
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}
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}
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}
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return err;
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}
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int gralloc_lock(gralloc_module_t const* module,
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buffer_handle_t handle, int usage,
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int /*l*/, int /*t*/, int /*w*/, int /*h*/,
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void** vaddr)
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{
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ATRACE_CALL();
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private_handle_t* hnd = (private_handle_t*)handle;
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int err = gralloc_map_and_invalidate(module, handle, usage);
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if(!err)
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*vaddr = (void*)hnd->base;
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return err;
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}
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int gralloc_lock_ycbcr(gralloc_module_t const* module,
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buffer_handle_t handle, int usage,
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int /*l*/, int /*t*/, int /*w*/, int /*h*/,
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struct android_ycbcr *ycbcr)
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{
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ATRACE_CALL();
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private_handle_t* hnd = (private_handle_t*)handle;
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int err = gralloc_map_and_invalidate(module, handle, usage);
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if(!err)
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err = getYUVPlaneInfo(hnd, ycbcr);
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return err;
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}
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int gralloc_unlock(gralloc_module_t const* module,
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buffer_handle_t handle)
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{
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ATRACE_CALL();
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if (!module || private_handle_t::validate(handle) < 0)
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return -EINVAL;
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int err = 0;
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private_handle_t* hnd = (private_handle_t*)handle;
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IMemAlloc* memalloc = getAllocator(hnd->flags);
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if (hnd->flags & private_handle_t::PRIV_FLAGS_NEEDS_FLUSH) {
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err = memalloc->clean_buffer((void*)hnd->base,
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hnd->size, hnd->offset, hnd->fd,
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CACHE_CLEAN);
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hnd->flags &= ~private_handle_t::PRIV_FLAGS_NEEDS_FLUSH;
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}
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return err;
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}
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/*****************************************************************************/
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int gralloc_perform(struct gralloc_module_t const* module,
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int operation, ... )
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{
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int res = -EINVAL;
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va_list args;
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if(!module)
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return res;
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va_start(args, operation);
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switch (operation) {
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case GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER:
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{
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int fd = va_arg(args, int);
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unsigned int size = va_arg(args, unsigned int);
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unsigned int offset = va_arg(args, unsigned int);
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void* base = va_arg(args, void*);
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int width = va_arg(args, int);
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int height = va_arg(args, int);
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int format = va_arg(args, int);
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int alignedw = 0, alignedh = 0;
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native_handle_t** handle = va_arg(args, native_handle_t**);
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private_handle_t* hnd = (private_handle_t*)native_handle_create(
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private_handle_t::sNumFds, private_handle_t::sNumInts());
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if (hnd) {
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hnd->magic = private_handle_t::sMagic;
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hnd->fd = fd;
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hnd->flags = private_handle_t::PRIV_FLAGS_USES_ION;
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hnd->size = size;
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hnd->offset = offset;
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hnd->base = uint64_t(base) + offset;
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hnd->gpuaddr = 0;
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AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
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height, format, 0, alignedw, alignedh);
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hnd->width = alignedw;
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hnd->height = alignedh;
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hnd->unaligned_width = width;
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hnd->unaligned_height = height;
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hnd->format = format;
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*handle = (native_handle_t *)hnd;
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res = 0;
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}
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break;
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}
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case GRALLOC_MODULE_PERFORM_GET_STRIDE:
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{
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int width = va_arg(args, int);
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int format = va_arg(args, int);
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int *stride = va_arg(args, int *);
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int alignedw = 0, alignedh = 0;
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AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
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0, format, 0, alignedw, alignedh);
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*stride = alignedw;
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res = 0;
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} break;
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case GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_FROM_HANDLE:
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{
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const private_handle_t* hnd = va_arg(args, private_handle_t*);
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int *stride = va_arg(args, int *);
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if (private_handle_t::validate(hnd)) {
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return res;
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}
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int alignedw = 0, alignedh = 0;
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AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(hnd, alignedw, alignedh);
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*stride = alignedw;
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res = 0;
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} break;
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case GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_AND_HEIGHT_FROM_HANDLE:
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{
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const private_handle_t* hnd = va_arg(args, private_handle_t*);
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int *stride = va_arg(args, int *);
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int *height = va_arg(args, int *);
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if (private_handle_t::validate(hnd)) {
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return res;
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}
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int alignedw = 0, alignedh = 0;
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AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(hnd, alignedw, alignedh);
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*stride = alignedw;
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*height = alignedh;
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res = 0;
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} break;
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case GRALLOC_MODULE_PERFORM_GET_ATTRIBUTES:
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{
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int width = va_arg(args, int);
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int height = va_arg(args, int);
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int format = va_arg(args, int);
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int usage = va_arg(args, int);
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int *alignedWidth = va_arg(args, int *);
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int *alignedHeight = va_arg(args, int *);
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int *tileEnabled = va_arg(args,int *);
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*tileEnabled = isUBwcEnabled(format, usage);
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AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
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height, format, usage, *alignedWidth, *alignedHeight);
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res = 0;
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} break;
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case GRALLOC_MODULE_PERFORM_GET_COLOR_SPACE_FROM_HANDLE:
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{
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private_handle_t* hnd = va_arg(args, private_handle_t*);
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int *color_space = va_arg(args, int *);
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if (private_handle_t::validate(hnd)) {
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return res;
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}
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MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
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if (!metadata) {
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break;
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#ifdef USE_COLOR_METADATA
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} else if (metadata->operation & COLOR_METADATA) {
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ColorMetaData *colorMetadata = &metadata->color;
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res = 0;
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switch (colorMetadata->colorPrimaries) {
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case ColorPrimaries_BT709_5:
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*color_space = HAL_CSC_ITU_R_709;
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break;
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case ColorPrimaries_BT601_6_525:
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*color_space = ((colorMetadata->range) ?
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HAL_CSC_ITU_R_601_FR : HAL_CSC_ITU_R_601);
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break;
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case ColorPrimaries_BT2020:
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*color_space = (colorMetadata->range) ?
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HAL_CSC_ITU_R_2020_FR : HAL_CSC_ITU_R_2020;
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break;
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default:
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res = -EINVAL;
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break;
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}
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#endif
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} else if(metadata->operation & UPDATE_COLOR_SPACE) {
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*color_space = metadata->colorSpace;
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res = 0;
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}
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} break;
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case GRALLOC_MODULE_PERFORM_GET_YUV_PLANE_INFO:
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{
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private_handle_t* hnd = va_arg(args, private_handle_t*);
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android_ycbcr* ycbcr = va_arg(args, struct android_ycbcr *);
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if (!private_handle_t::validate(hnd)) {
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res = getYUVPlaneInfo(hnd, ycbcr);
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}
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} break;
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case GRALLOC_MODULE_PERFORM_GET_MAP_SECURE_BUFFER_INFO:
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{
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private_handle_t* hnd = va_arg(args, private_handle_t*);
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int *map_secure_buffer = va_arg(args, int *);
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if (private_handle_t::validate(hnd)) {
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return res;
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}
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MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
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if(metadata && metadata->operation & MAP_SECURE_BUFFER) {
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*map_secure_buffer = metadata->mapSecureBuffer;
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res = 0;
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} else {
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*map_secure_buffer = 0;
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}
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} break;
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case GRALLOC_MODULE_PERFORM_GET_UBWC_FLAG:
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{
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private_handle_t* hnd = va_arg(args, private_handle_t*);
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int *flag = va_arg(args, int *);
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if (private_handle_t::validate(hnd)) {
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return res;
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}
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*flag = hnd->flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
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MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
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if (metadata && (metadata->operation & LINEAR_FORMAT)) {
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*flag = 0;
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}
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res = 0;
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} break;
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case GRALLOC_MODULE_PERFORM_GET_RGB_DATA_ADDRESS:
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{
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private_handle_t* hnd = va_arg(args, private_handle_t*);
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void** rgb_data = va_arg(args, void**);
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if (!private_handle_t::validate(hnd)) {
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res = getRgbDataAddress(hnd, rgb_data);
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}
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} break;
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case GRALLOC_MODULE_PERFORM_GET_IGC:
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{
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private_handle_t* hnd = va_arg(args, private_handle_t*);
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uint32_t *igc = va_arg(args, uint32_t *);
|
|
if (!private_handle_t::validate(hnd) && igc) {
|
|
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
|
|
if (metadata && (metadata->operation & SET_IGC)) {
|
|
*igc = metadata->igc;
|
|
res = 0;
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case GRALLOC_MODULE_PERFORM_SET_IGC:
|
|
res = 0;
|
|
break;
|
|
|
|
case GRALLOC_MODULE_PERFORM_SET_SINGLE_BUFFER_MODE:
|
|
{
|
|
private_handle_t* hnd = va_arg(args, private_handle_t*);
|
|
uint32_t *enable = va_arg(args, uint32_t*);
|
|
if (!private_handle_t::validate(hnd)) {
|
|
setMetaData(hnd, SET_SINGLE_BUFFER_MODE, enable);
|
|
res = 0;
|
|
}
|
|
} break;
|
|
default:
|
|
break;
|
|
}
|
|
va_end(args);
|
|
return res;
|
|
}
|