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/*
**
** Copyright 2009, 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.
*/
#define LOG_TAG "GraphicBufferAllocator"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <ui/GraphicBufferAllocator.h>
#include <limits.h>
#include <stdio.h>
#include <grallocusage/GrallocUsageConversion.h>
#include <android-base/stringprintf.h>
#include <log/log.h>
#include <utils/Singleton.h>
#include <utils/Trace.h>
#include <ui/Gralloc.h>
#include <ui/Gralloc2.h>
#include <ui/Gralloc3.h>
#include <ui/Gralloc4.h>
#include <ui/GraphicBufferMapper.h>
namespace android {
// ---------------------------------------------------------------------------
using base::StringAppendF;
ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferAllocator )
Mutex GraphicBufferAllocator::sLock;
KeyedVector<buffer_handle_t,
GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList;
GraphicBufferAllocator::GraphicBufferAllocator() : mMapper(GraphicBufferMapper::getInstance()) {
mAllocator = std::make_unique<const Gralloc4Allocator>(
reinterpret_cast<const Gralloc4Mapper&>(mMapper.getGrallocMapper()));
if (mAllocator->isLoaded()) {
return;
}
mAllocator = std::make_unique<const Gralloc3Allocator>(
reinterpret_cast<const Gralloc3Mapper&>(mMapper.getGrallocMapper()));
if (mAllocator->isLoaded()) {
return;
}
mAllocator = std::make_unique<const Gralloc2Allocator>(
reinterpret_cast<const Gralloc2Mapper&>(mMapper.getGrallocMapper()));
if (mAllocator->isLoaded()) {
return;
}
LOG_ALWAYS_FATAL("gralloc-allocator is missing");
}
GraphicBufferAllocator::~GraphicBufferAllocator() {}
uint64_t GraphicBufferAllocator::getTotalSize() const {
Mutex::Autolock _l(sLock);
uint64_t total = 0;
for (size_t i = 0; i < sAllocList.size(); ++i) {
total += sAllocList.valueAt(i).size;
}
return total;
}
void GraphicBufferAllocator::dump(std::string& result, bool less) const {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
uint64_t total = 0;
result.append("GraphicBufferAllocator buffers:\n");
const size_t c = list.size();
for (size_t i=0 ; i<c ; i++) {
const alloc_rec_t& rec(list.valueAt(i));
if (rec.size) {
StringAppendF(&result,
"%10p: %7.2f KiB | %4u (%4u) x %4u | %4u | %8X | 0x%" PRIx64 " | %s\n",
list.keyAt(i), static_cast<double>(rec.size) / 1024.0, rec.width, rec.stride, rec.height,
rec.layerCount, rec.format, rec.usage, rec.requestorName.c_str());
} else {
StringAppendF(&result,
"%10p: unknown | %4u (%4u) x %4u | %4u | %8X | 0x%" PRIx64 " | %s\n",
list.keyAt(i), rec.width, rec.stride, rec.height, rec.layerCount,
rec.format, rec.usage, rec.requestorName.c_str());
}
total += rec.size;
}
StringAppendF(&result, "Total allocated by GraphicBufferAllocator (estimate): %.2f KB\n",
static_cast<double>(total) / 1024.0);
result.append(mAllocator->dumpDebugInfo(less));
}
void GraphicBufferAllocator::dumpToSystemLog(bool less) {
std::string s;
GraphicBufferAllocator::getInstance().dump(s, less);
ALOGD("%s", s.c_str());
}
status_t GraphicBufferAllocator::allocateHelper(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
buffer_handle_t* handle, uint32_t* stride,
std::string requestorName, bool importBuffer) {
ATRACE_CALL();
// make sure to not allocate a N x 0 or 0 x N buffer, since this is
// allowed from an API stand-point allocate a 1x1 buffer instead.
if (!width || !height)
width = height = 1;
const uint32_t bpp = bytesPerPixel(format);
if (std::numeric_limits<size_t>::max() / width / height < static_cast<size_t>(bpp)) {
ALOGE("Failed to allocate (%u x %u) layerCount %u format %d "
"usage %" PRIx64 ": Requesting too large a buffer size",
width, height, layerCount, format, usage);
return BAD_VALUE;
}
// Ensure that layerCount is valid.
if (layerCount < 1)
layerCount = 1;
// TODO(b/72323293, b/72703005): Remove these invalid bits from callers
usage &= ~static_cast<uint64_t>((1 << 10) | (1 << 13));
status_t error = mAllocator->allocate(requestorName, width, height, format, layerCount, usage,
1, stride, handle, importBuffer);
if (error != NO_ERROR) {
ALOGE("Failed to allocate (%u x %u) layerCount %u format %d "
"usage %" PRIx64 ": %d",
width, height, layerCount, format, usage, error);
return NO_MEMORY;
}
if (!importBuffer) {
return NO_ERROR;
}
size_t bufSize;
// if stride has no meaning or is too large,
// approximate size with the input width instead
if ((*stride) != 0 &&
std::numeric_limits<size_t>::max() / height / (*stride) < static_cast<size_t>(bpp)) {
bufSize = static_cast<size_t>(width) * height * bpp;
} else {
bufSize = static_cast<size_t>((*stride)) * height * bpp;
}
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
alloc_rec_t rec;
rec.width = width;
rec.height = height;
rec.stride = *stride;
rec.format = format;
rec.layerCount = layerCount;
rec.usage = usage;
rec.size = bufSize;
rec.requestorName = std::move(requestorName);
list.add(*handle, rec);
return NO_ERROR;
}
status_t GraphicBufferAllocator::allocate(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
buffer_handle_t* handle, uint32_t* stride,
std::string requestorName) {
return allocateHelper(width, height, format, layerCount, usage, handle, stride, requestorName,
true);
}
status_t GraphicBufferAllocator::allocateRawHandle(uint32_t width, uint32_t height,
PixelFormat format, uint32_t layerCount,
uint64_t usage, buffer_handle_t* handle,
uint32_t* stride, std::string requestorName) {
return allocateHelper(width, height, format, layerCount, usage, handle, stride, requestorName,
false);
}
// DEPRECATED
status_t GraphicBufferAllocator::allocate(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
buffer_handle_t* handle, uint32_t* stride,
uint64_t /*graphicBufferId*/, std::string requestorName) {
return allocateHelper(width, height, format, layerCount, usage, handle, stride, requestorName,
true);
}
status_t GraphicBufferAllocator::free(buffer_handle_t handle)
{
ATRACE_CALL();
// We allocated a buffer from the allocator and imported it into the
// mapper to get the handle. We just need to free the handle now.
mMapper.freeBuffer(handle);
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
list.removeItem(handle);
return NO_ERROR;
}
// ---------------------------------------------------------------------------
}; // namespace android
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