GraphicBufferAllocator.cpp revision 3330b203039dea366d4981db1408a460134b2d2c
1076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian/* 2076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** 3076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** Copyright 2009, The Android Open Source Project 4076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** 5076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 6076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** you may not use this file except in compliance with the License. 7076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** You may obtain a copy of the License at 8076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** 9076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 10076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** 11076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** Unless required by applicable law or agreed to in writing, software 12076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 13076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** See the License for the specific language governing permissions and 15076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian** limitations under the License. 16076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian*/ 17076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 18076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <cutils/log.h> 194243e666213029a293935987c979831093fb0779Mathias Agopian 204243e666213029a293935987c979831093fb0779Mathias Agopian#include <utils/Singleton.h> 21076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <utils/String8.h> 22076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 233330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <ui/GraphicBufferAllocator.h> 24076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 25076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 26076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopiannamespace android { 27076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 28076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 293330b203039dea366d4981db1408a460134b2d2cMathias AgopianANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferAllocator ) 304243e666213029a293935987c979831093fb0779Mathias Agopian 313330b203039dea366d4981db1408a460134b2d2cMathias AgopianMutex GraphicBufferAllocator::sLock; 323330b203039dea366d4981db1408a460134b2d2cMathias AgopianKeyedVector<buffer_handle_t, GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList; 33076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 343330b203039dea366d4981db1408a460134b2d2cMathias AgopianGraphicBufferAllocator::GraphicBufferAllocator() 35076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian : mAllocDev(0) 36076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 37076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian hw_module_t const* module; 38076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); 39076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian LOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID); 40076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == 0) { 41076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian gralloc_open(module, &mAllocDev); 42076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 43076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 44076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 453330b203039dea366d4981db1408a460134b2d2cMathias AgopianGraphicBufferAllocator::~GraphicBufferAllocator() 46076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 47076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian gralloc_close(mAllocDev); 48076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 49076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 503330b203039dea366d4981db1408a460134b2d2cMathias Agopianvoid GraphicBufferAllocator::dump(String8& result) const 51076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 52076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 53076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 54076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian size_t total = 0; 55076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian const size_t SIZE = 512; 56076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian char buffer[SIZE]; 57076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian snprintf(buffer, SIZE, "Allocated buffers:\n"); 58076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian result.append(buffer); 59076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian const size_t c = list.size(); 60076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian for (size_t i=0 ; i<c ; i++) { 61076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian const alloc_rec_t& rec(list.valueAt(i)); 620926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u x %4u | %2d | 0x%08x\n", 630926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian list.keyAt(i), rec.size/1024.0f, 64076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.w, rec.h, rec.format, rec.usage); 65076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian result.append(buffer); 66076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian total += rec.size; 67076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 68076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian snprintf(buffer, SIZE, "Total allocated: %.2f KB\n", total/1024.0f); 69076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian result.append(buffer); 70076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 71076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 72cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopianstatic inline uint32_t clamp(uint32_t c) { 73cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian return c>0 ? c : 1; 74cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian} 75cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 763330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format, 77076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian int usage, buffer_handle_t* handle, int32_t* stride) 78076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 79076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(mLock); 80cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 81cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // make sure to not allocate a 0 x 0 buffer 82cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian w = clamp(w); 83cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian h = clamp(h); 84cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 85076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian // we have a h/w allocator and h/w buffer is requested 86076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian status_t err = mAllocDev->alloc(mAllocDev, 87076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian w, h, format, usage, handle, stride); 88cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 89076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)", 90076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian w, h, format, usage, err, strerror(-err)); 91076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 92076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == NO_ERROR) { 93076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 94076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 95076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian alloc_rec_t rec; 96076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.w = w; 97076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.h = h; 98076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.format = format; 99076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.usage = usage; 100076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.vaddr = 0; 101076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.size = h * stride[0] * bytesPerPixel(format); 102076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.add(*handle, rec); 103737e786acffe87a086720bf2cf0d8b9f818b12beMathias Agopian } else { 104737e786acffe87a086720bf2cf0d8b9f818b12beMathias Agopian String8 s; 105737e786acffe87a086720bf2cf0d8b9f818b12beMathias Agopian dump(s); 106737e786acffe87a086720bf2cf0d8b9f818b12beMathias Agopian LOGD("%s", s.string()); 107076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 108076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 109076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return err; 110076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 111076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 1123330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBufferAllocator::free(buffer_handle_t handle) 113076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 114076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(mLock); 115076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 1164243e666213029a293935987c979831093fb0779Mathias Agopian status_t err = mAllocDev->free(mAllocDev, handle); 1174243e666213029a293935987c979831093fb0779Mathias Agopian LOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err)); 1184243e666213029a293935987c979831093fb0779Mathias Agopian 119076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == NO_ERROR) { 120076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 121076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 122076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.removeItem(handle); 123076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 124076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 125076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return err; 126076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 127076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 128076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 129076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian}; // namespace android 130