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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 <stdio.h>
#include <grallocusage/GrallocUsageConversion.h>
#include <log/log.h>
#include <utils/Singleton.h>
#include <utils/String8.h>
#include <utils/Trace.h>
#include <ui/Gralloc2.h>
#include <ui/GraphicBufferMapper.h>
namespace android {
// ---------------------------------------------------------------------------
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<Gralloc2::Allocator>(
mMapper.getGrallocMapper()))
{
}
GraphicBufferAllocator::~GraphicBufferAllocator() {}
void GraphicBufferAllocator::dump(String8& result) const
{
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
size_t total = 0;
const size_t SIZE = 4096;
char buffer[SIZE];
snprintf(buffer, SIZE, "Allocated buffers:\n");
result.append(buffer);
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) {
snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %4u | %8X | 0x%" PRIx64
" | %s\n",
list.keyAt(i), rec.size/1024.0,
rec.width, rec.stride, rec.height, rec.layerCount, rec.format,
rec.usage, rec.requestorName.c_str());
} else {
snprintf(buffer, SIZE, "%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());
}
result.append(buffer);
total += rec.size;
}
snprintf(buffer, SIZE, "Total allocated (estimate): %.2f KB\n", total/1024.0);
result.append(buffer);
std::string deviceDump = mAllocator->dumpDebugInfo();
result.append(deviceDump.c_str(), deviceDump.size());
}
void GraphicBufferAllocator::dumpToSystemLog()
{
String8 s;
GraphicBufferAllocator::getInstance().dump(s);
ALOGD("%s", s.string());
}
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)
{
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;
// Ensure that layerCount is valid.
if (layerCount < 1)
layerCount = 1;
Gralloc2::IMapper::BufferDescriptorInfo info = {};
info.width = width;
info.height = height;
info.layerCount = layerCount;
info.format = static_cast<Gralloc2::PixelFormat>(format);
info.usage = usage;
Gralloc2::Error error = mAllocator->allocate(info, stride, handle);
if (error == Gralloc2::Error::NONE) {
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
uint32_t bpp = bytesPerPixel(format);
alloc_rec_t rec;
rec.width = width;
rec.height = height;
rec.stride = *stride;
rec.format = format;
rec.layerCount = layerCount;
rec.usage = usage;
rec.size = static_cast<size_t>(height * (*stride) * bpp);
rec.requestorName = std::move(requestorName);
list.add(*handle, rec);
return NO_ERROR;
} else {
ALOGE("Failed to allocate (%u x %u) layerCount %u format %d "
"usage %" PRIx64 ": %d",
width, height, layerCount, format, usage,
error);
return NO_MEMORY;
}
}
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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