175 lines
4.9 KiB
C++
175 lines
4.9 KiB
C++
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <math.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <cutils/log.h>
|
|
#include <cutils/properties.h>
|
|
|
|
#include <utils/MemoryDealer.h>
|
|
#include <utils/MemoryBase.h>
|
|
#include <utils/MemoryHeapPmem.h>
|
|
#include <utils/MemoryHeapBase.h>
|
|
|
|
#include "GPUHardware/GPUHardware.h"
|
|
#include "SurfaceFlinger.h"
|
|
#include "VRamHeap.h"
|
|
|
|
#if HAVE_ANDROID_OS
|
|
#include <linux/android_pmem.h>
|
|
#endif
|
|
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
/*
|
|
* Amount of memory we reserve for surface, per client in PMEM
|
|
* (PMEM is used for 2D acceleration)
|
|
* 8 MB of address space per client should be enough.
|
|
*/
|
|
static const int PMEM_SIZE = int(8 * 1024 * 1024);
|
|
|
|
int SurfaceHeapManager::global_pmem_heap = 0;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SurfaceHeapManager::SurfaceHeapManager(const sp<SurfaceFlinger>& flinger,
|
|
size_t clientHeapSize)
|
|
: mFlinger(flinger), mClientHeapSize(clientHeapSize)
|
|
{
|
|
SurfaceHeapManager::global_pmem_heap = 1;
|
|
}
|
|
|
|
SurfaceHeapManager::~SurfaceHeapManager()
|
|
{
|
|
}
|
|
|
|
void SurfaceHeapManager::onFirstRef()
|
|
{
|
|
if (global_pmem_heap) {
|
|
const char* device = "/dev/pmem";
|
|
mPMemHeap = new PMemHeap(device, PMEM_SIZE);
|
|
if (mPMemHeap->base() == MAP_FAILED) {
|
|
mPMemHeap.clear();
|
|
global_pmem_heap = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
sp<MemoryDealer> SurfaceHeapManager::createHeap(
|
|
uint32_t flags,
|
|
pid_t client_pid,
|
|
const sp<MemoryDealer>& defaultAllocator)
|
|
{
|
|
sp<MemoryDealer> dealer;
|
|
|
|
if (flags & ISurfaceComposer::eGPU) {
|
|
// don't grant GPU memory if GPU is disabled
|
|
char value[PROPERTY_VALUE_MAX];
|
|
property_get("debug.egl.hw", value, "1");
|
|
if (atoi(value) == 0) {
|
|
flags &= ~ISurfaceComposer::eGPU;
|
|
}
|
|
}
|
|
|
|
if (flags & ISurfaceComposer::eGPU) {
|
|
// FIXME: this is msm7201A specific, where gpu surfaces may not be secure
|
|
if (!(flags & ISurfaceComposer::eSecure)) {
|
|
// if GPU doesn't work, we try eHardware
|
|
flags |= ISurfaceComposer::eHardware;
|
|
// asked for GPU memory, try that first
|
|
dealer = mFlinger->getGPU()->request(client_pid);
|
|
}
|
|
}
|
|
|
|
if (dealer == NULL) {
|
|
if (defaultAllocator != NULL)
|
|
// if a default allocator is given, use that
|
|
dealer = defaultAllocator;
|
|
}
|
|
|
|
if (dealer == NULL) {
|
|
// always try h/w accelerated memory first
|
|
if (global_pmem_heap) {
|
|
const sp<PMemHeap>& heap(mPMemHeap);
|
|
if (dealer == NULL && heap != NULL) {
|
|
dealer = new MemoryDealer(
|
|
heap->createClientHeap(),
|
|
heap->getAllocator());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dealer == NULL) {
|
|
// return the ashmem allocator (software rendering)
|
|
dealer = new MemoryDealer(mClientHeapSize, 0, "SFNativeHeap");
|
|
}
|
|
return dealer;
|
|
}
|
|
|
|
sp<SimpleBestFitAllocator> SurfaceHeapManager::getAllocator(int type) const
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
sp<SimpleBestFitAllocator> allocator;
|
|
|
|
// this is only used for debugging
|
|
switch (type) {
|
|
case NATIVE_MEMORY_TYPE_PMEM:
|
|
if (mPMemHeap != 0) {
|
|
allocator = mPMemHeap->getAllocator();
|
|
}
|
|
break;
|
|
}
|
|
return allocator;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
PMemHeap::PMemHeap(const char* const device, size_t size, size_t reserved)
|
|
: MemoryHeapBase(device, size)
|
|
{
|
|
//LOGD("%s, %p, mFD=%d", __PRETTY_FUNCTION__, this, heapID());
|
|
if (base() != MAP_FAILED) {
|
|
//LOGD("%s, %u bytes", device, virtualSize());
|
|
if (reserved == 0)
|
|
reserved = virtualSize();
|
|
mAllocator = new SimpleBestFitAllocator(reserved);
|
|
}
|
|
}
|
|
|
|
PMemHeap::~PMemHeap() {
|
|
//LOGD("%s, %p, mFD=%d", __PRETTY_FUNCTION__, this, heapID());
|
|
}
|
|
|
|
sp<MemoryHeapPmem> PMemHeap::createClientHeap() {
|
|
sp<MemoryHeapBase> parentHeap(this);
|
|
return new MemoryHeapPmem(parentHeap);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|