blob: 693c7cbfab70fa893dbcef5eb0ce4dff6aa8b9b2 [file] [log] [blame]
/*
**
** 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 <cutils/log.h>
#include <utils/Singleton.h>
#include <utils/String8.h>
#include <utils/Trace.h>
#include <ui/GraphicBufferAllocator.h>
#include <ui/Gralloc1On0Adapter.h>
#include <ui/GrallocAllocator.h>
#include <ui/GrallocMapper.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()
: mAllocator(std::make_unique<Gralloc2::Allocator>()),
mMapper(GraphicBufferMapper::getInstance())
{
if (!mAllocator->valid()) {
mLoader = std::make_unique<Gralloc1::Loader>();
mDevice = mLoader->getDevice();
}
}
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 | %8X | 0x%08x | %s\n",
list.keyAt(i), rec.size/1024.0f,
rec.width, rec.stride, rec.height, rec.format, rec.usage,
rec.requestorName.c_str());
} else {
snprintf(buffer, SIZE, "%10p: unknown | %4u (%4u) x %4u | %8X | 0x%08x | %s\n",
list.keyAt(i),
rec.width, rec.stride, rec.height, rec.format, rec.usage,
rec.requestorName.c_str());
}
result.append(buffer);
total += rec.size;
}
snprintf(buffer, SIZE, "Total allocated (estimate): %.2f KB\n", total/1024.0f);
result.append(buffer);
std::string deviceDump;
if (mAllocator->valid()) {
deviceDump = mAllocator->dumpDebugInfo();
} else {
deviceDump = mDevice->dump();
}
result.append(deviceDump.c_str(), deviceDump.size());
}
void GraphicBufferAllocator::dumpToSystemLog()
{
String8 s;
GraphicBufferAllocator::getInstance().dump(s);
ALOGD("%s", s.string());
}
namespace {
class HalBuffer {
public:
HalBuffer(const Gralloc2::Allocator* allocator,
uint32_t width, uint32_t height,
PixelFormat format, uint32_t usage)
: mAllocator(allocator), mBufferValid(false)
{
Gralloc2::IAllocator::BufferDescriptorInfo info = {};
info.width = width;
info.height = height;
info.format = static_cast<Gralloc2::PixelFormat>(format);
info.producerUsageMask = usage;
info.consumerUsageMask = usage;
Gralloc2::BufferDescriptor descriptor;
auto error = mAllocator->createBufferDescriptor(info, descriptor);
if (error != Gralloc2::Error::NONE) {
ALOGE("Failed to create desc (%u x %u) format %d usage %u: %d",
width, height, format, usage, error);
return;
}
error = mAllocator->allocate(descriptor, mBuffer);
if (error == Gralloc2::Error::NOT_SHARED) {
error = Gralloc2::Error::NONE;
}
if (error != Gralloc2::Error::NONE) {
ALOGE("Failed to allocate (%u x %u) format %d usage %u: %d",
width, height, format, usage, error);
mAllocator->destroyBufferDescriptor(descriptor);
return;
}
error = mAllocator->exportHandle(descriptor, mBuffer, mHandle);
if (error != Gralloc2::Error::NONE) {
ALOGE("Failed to export handle");
mAllocator->free(mBuffer);
mAllocator->destroyBufferDescriptor(descriptor);
return;
}
mAllocator->destroyBufferDescriptor(descriptor);
mBufferValid = true;
}
~HalBuffer()
{
if (mBufferValid) {
if (mHandle) {
native_handle_close(mHandle);
native_handle_delete(mHandle);
}
mAllocator->free(mBuffer);
}
}
bool exportHandle(GraphicBufferMapper& mapper,
buffer_handle_t* handle, uint32_t* stride)
{
if (!mBufferValid) {
return false;
}
if (mapper.registerBuffer(mHandle)) {
return false;
}
*handle = mHandle;
auto error = mapper.getGrallocMapper().getStride(mHandle, *stride);
if (error != Gralloc2::Error::NONE) {
ALOGW("Failed to get stride from buffer: %d", error);
*stride = 0;
}
mHandle = nullptr;
mAllocator->free(mBuffer);
mBufferValid = false;
return true;
}
private:
const Gralloc2::Allocator* mAllocator;
bool mBufferValid;
Gralloc2::Buffer mBuffer;
native_handle_t* mHandle;
};
} // namespace
status_t GraphicBufferAllocator::allocate(uint32_t width, uint32_t height,
PixelFormat format, uint32_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;
// Filter out any usage bits that should not be passed to the gralloc module
usage &= GRALLOC_USAGE_ALLOC_MASK;
gralloc1_error_t error;
if (mAllocator->valid()) {
HalBuffer buffer(mAllocator.get(), width, height, format, usage);
if (!buffer.exportHandle(mMapper, handle, stride)) {
return NO_MEMORY;
}
error = GRALLOC1_ERROR_NONE;
} else {
auto descriptor = mDevice->createDescriptor();
error = descriptor->setDimensions(width, height);
if (error != GRALLOC1_ERROR_NONE) {
ALOGE("Failed to set dimensions to (%u, %u): %d",
width, height, error);
return BAD_VALUE;
}
error = descriptor->setFormat(
static_cast<android_pixel_format_t>(format));
if (error != GRALLOC1_ERROR_NONE) {
ALOGE("Failed to set format to %d: %d", format, error);
return BAD_VALUE;
}
error = descriptor->setProducerUsage(
static_cast<gralloc1_producer_usage_t>(usage));
if (error != GRALLOC1_ERROR_NONE) {
ALOGE("Failed to set producer usage to %u: %d", usage, error);
return BAD_VALUE;
}
error = descriptor->setConsumerUsage(
static_cast<gralloc1_consumer_usage_t>(usage));
if (error != GRALLOC1_ERROR_NONE) {
ALOGE("Failed to set consumer usage to %u: %d", usage, error);
return BAD_VALUE;
}
error = mDevice->allocate(descriptor, graphicBufferId, handle);
if (error != GRALLOC1_ERROR_NONE) {
ALOGE("Failed to allocate (%u x %u) format %d usage %u: %d",
width, height, format, usage, error);
return NO_MEMORY;
}
error = mDevice->getStride(*handle, stride);
if (error != GRALLOC1_ERROR_NONE) {
ALOGW("Failed to get stride from buffer: %d", error);
}
}
if (error == NO_ERROR) {
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.usage = usage;
rec.size = static_cast<size_t>(height * (*stride) * bpp);
rec.requestorName = std::move(requestorName);
list.add(*handle, rec);
}
return NO_ERROR;
}
status_t GraphicBufferAllocator::free(buffer_handle_t handle)
{
ATRACE_CALL();
gralloc1_error_t error;
if (mAllocator->valid()) {
error = static_cast<gralloc1_error_t>(
mMapper.unregisterBuffer(handle));
} else {
error = mDevice->release(handle);
}
if (error != GRALLOC1_ERROR_NONE) {
ALOGE("Failed to free buffer: %d", error);
}
Mutex::Autolock _l(sLock);
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
list.removeItem(handle);
return NO_ERROR;
}
// ---------------------------------------------------------------------------
}; // namespace android