GraphicBufferAllocator.cpp revision 076b1cc3a9b90aa5b381a1ed268ca0b548444c9b
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 <sys/mman.h> 19076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <utils/CallStack.h> 20076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <cutils/ashmem.h> 21076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <cutils/log.h> 22076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <utils/String8.h> 23076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 24076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <ui/BufferMapper.h> 25076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 26076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include "BufferAllocator.h" 27076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 28076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// FIXME: ANDROID_GRALLOC_DEBUG must only be used with *our* gralloc 29076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#define ANDROID_GRALLOC_DEBUG 1 30076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 31076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 32076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopiannamespace android { 33076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 34076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 35076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias AgopianMutex BufferAllocator::sLock; 36076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias AgopianKeyedVector<buffer_handle_t, BufferAllocator::alloc_rec_t> BufferAllocator::sAllocList; 37076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 38076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias AgopianBufferAllocator::BufferAllocator() 39076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian : mAllocDev(0) 40076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 41076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian hw_module_t const* module; 42076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); 43076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian LOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID); 44076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == 0) { 45076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian gralloc_open(module, &mAllocDev); 46076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 47076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 48076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 49076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias AgopianBufferAllocator::~BufferAllocator() 50076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 51076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian gralloc_close(mAllocDev); 52076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 53076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 54076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianvoid BufferAllocator::dump(String8& result) const 55076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 56076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 57076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 58076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian size_t total = 0; 59076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian const size_t SIZE = 512; 60076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian char buffer[SIZE]; 61076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian snprintf(buffer, SIZE, "Allocated buffers:\n"); 62076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian result.append(buffer); 63076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian const size_t c = list.size(); 64076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian for (size_t i=0 ; i<c ; i++) { 65076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian const alloc_rec_t& rec(list.valueAt(i)); 66076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian snprintf(buffer, SIZE, "%10p: %10p | %7.2f KB | %4u x %4u | %2d | 0x%08x\n", 67076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.keyAt(i), rec.vaddr, rec.size/1024.0f, 68076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.w, rec.h, rec.format, rec.usage); 69076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian result.append(buffer); 70076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian total += rec.size; 71076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 72076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian snprintf(buffer, SIZE, "Total allocated: %.2f KB\n", total/1024.0f); 73076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian result.append(buffer); 74076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 75076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 76076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianstatus_t BufferAllocator::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); 80076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 81076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian // we have a h/w allocator and h/w buffer is requested 82076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian status_t err = mAllocDev->alloc(mAllocDev, 83076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian w, h, format, usage, handle, stride); 84076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)", 85076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian w, h, format, usage, err, strerror(-err)); 86076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 87076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == NO_ERROR) { 88076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 89076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 90076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian alloc_rec_t rec; 91076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.w = w; 92076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.h = h; 93076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.format = format; 94076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.usage = usage; 95076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.vaddr = 0; 96076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian rec.size = h * stride[0] * bytesPerPixel(format); 97076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.add(*handle, rec); 98076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 99076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 100076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return err; 101076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 102076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 103076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianstatus_t BufferAllocator::free(buffer_handle_t handle) 104076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 105076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(mLock); 106076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 107076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#if ANDROID_GRALLOC_DEBUG 108076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (handle->data[2]) { 109076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian CallStack s; 110076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian s.update(); 111076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian s.dump(""); 112076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 113076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#endif 114076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 115076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian status_t err = mAllocDev->free(mAllocDev, handle); 116076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian LOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err)); 117076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 118076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == NO_ERROR) { 119076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 120076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 121076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.removeItem(handle); 122076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 123076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 124076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return err; 125076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 126076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 127076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianstatus_t BufferAllocator::map(buffer_handle_t handle, void** addr) 128076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 129076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(mLock); 130076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian status_t err = BufferMapper::get().map(handle, addr); 131076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == NO_ERROR) { 132076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 133076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 134076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian ssize_t idx = list.indexOfKey(handle); 135076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (idx >= 0) 136076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.editValueAt(idx).vaddr = addr; 137076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 138076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 139076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return err; 140076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 141076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 142076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianstatus_t BufferAllocator::unmap(buffer_handle_t handle) 143076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 144076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(mLock); 145076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian gralloc_module_t* mod = (gralloc_module_t*)mAllocDev->common.module; 146076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian status_t err = mod->unmap(mod, handle); 147076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian LOGW_IF(err, "unmap(...) failed %d (%s)", err, strerror(-err)); 148076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 149076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (err == NO_ERROR) { 150076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian Mutex::Autolock _l(sLock); 151076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList); 152076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian ssize_t idx = list.indexOfKey(handle); 153076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (idx >= 0) 154076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian list.editValueAt(idx).vaddr = 0; 155076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 156076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 157076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return err; 158076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 159076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 160076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 161076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 162076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian}; // namespace android 163