147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/*
|
|
**
|
|
** 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"
|
|
|
|
#include <cutils/log.h>
|
|
|
|
#include <utils/Singleton.h>
|
|
#include <utils/String8.h>
|
|
|
|
#include <ui/GraphicBufferAllocator.h>
|
|
|
|
namespace android {
|
|
// ---------------------------------------------------------------------------
|
|
|
|
ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferAllocator )
|
|
|
|
Mutex GraphicBufferAllocator::sLock;
|
|
KeyedVector<buffer_handle_t,
|
|
GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList;
|
|
|
|
GraphicBufferAllocator::GraphicBufferAllocator()
|
|
: mAllocDev(0)
|
|
{
|
|
hw_module_t const* module;
|
|
int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
|
|
LOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
|
|
if (err == 0) {
|
|
gralloc_open(module, &mAllocDev);
|
|
}
|
|
}
|
|
|
|
GraphicBufferAllocator::~GraphicBufferAllocator()
|
|
{
|
|
gralloc_close(mAllocDev);
|
|
}
|
|
|
|
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\n",
|
|
list.keyAt(i), rec.size/1024.0f,
|
|
rec.w, rec.s, rec.h, rec.format, rec.usage);
|
|
} else {
|
|
snprintf(buffer, SIZE, "%10p: unknown | %4u (%4u) x %4u | %8X | 0x%08x\n",
|
|
list.keyAt(i),
|
|
rec.w, rec.s, rec.h, rec.format, rec.usage);
|
|
}
|
|
result.append(buffer);
|
|
total += rec.size;
|
|
}
|
|
snprintf(buffer, SIZE, "Total allocated (estimate): %.2f KB\n", total/1024.0f);
|
|
result.append(buffer);
|
|
if (mAllocDev->common.version >= 1 && mAllocDev->dump) {
|
|
mAllocDev->dump(mAllocDev, buffer, SIZE);
|
|
result.append(buffer);
|
|
}
|
|
}
|
|
|
|
void GraphicBufferAllocator::dumpToSystemLog()
|
|
{
|
|
String8 s;
|
|
GraphicBufferAllocator::getInstance().dump(s);
|
|
ALOGD("%s", s.string());
|
|
}
|
|
|
|
status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
|
|
int usage, buffer_handle_t* handle, int32_t* stride)
|
|
{
|
|
// 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 (!w || !h)
|
|
w = h = 1;
|
|
|
|
// we have a h/w allocator and h/w buffer is requested
|
|
status_t err;
|
|
|
|
err = mAllocDev->alloc(mAllocDev, w, h, format, usage, handle, stride);
|
|
|
|
LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
|
|
w, h, format, usage, err, strerror(-err));
|
|
|
|
if (err == NO_ERROR) {
|
|
Mutex::Autolock _l(sLock);
|
|
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
|
|
int bpp = bytesPerPixel(format);
|
|
if (bpp < 0) {
|
|
// probably a HAL custom format. in any case, we don't know
|
|
// what its pixel size is.
|
|
bpp = 0;
|
|
}
|
|
alloc_rec_t rec;
|
|
rec.w = w;
|
|
rec.h = h;
|
|
rec.s = *stride;
|
|
rec.format = format;
|
|
rec.usage = usage;
|
|
rec.size = h * stride[0] * bpp;
|
|
list.add(*handle, rec);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
status_t GraphicBufferAllocator::free(buffer_handle_t handle)
|
|
{
|
|
status_t err;
|
|
|
|
err = mAllocDev->free(mAllocDev, handle);
|
|
|
|
LOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err));
|
|
if (err == NO_ERROR) {
|
|
Mutex::Autolock _l(sLock);
|
|
KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
|
|
list.removeItem(handle);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|