13330b203039dea366d4981db1408a460134b2d2cMathias Agopian/* 23330b203039dea366d4981db1408a460134b2d2cMathias Agopian * Copyright (C) 2007 The Android Open Source Project 33330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 43330b203039dea366d4981db1408a460134b2d2cMathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 53330b203039dea366d4981db1408a460134b2d2cMathias Agopian * you may not use this file except in compliance with the License. 63330b203039dea366d4981db1408a460134b2d2cMathias Agopian * You may obtain a copy of the License at 73330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 83330b203039dea366d4981db1408a460134b2d2cMathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 93330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 103330b203039dea366d4981db1408a460134b2d2cMathias Agopian * Unless required by applicable law or agreed to in writing, software 113330b203039dea366d4981db1408a460134b2d2cMathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 123330b203039dea366d4981db1408a460134b2d2cMathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133330b203039dea366d4981db1408a460134b2d2cMathias Agopian * See the License for the specific language governing permissions and 143330b203039dea366d4981db1408a460134b2d2cMathias Agopian * limitations under the License. 153330b203039dea366d4981db1408a460134b2d2cMathias Agopian */ 163330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#define LOG_TAG "GraphicBuffer" 1898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 193330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <stdlib.h> 203330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <stdint.h> 213330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <sys/types.h> 223330b203039dea366d4981db1408a460134b2d2cMathias Agopian 233330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <utils/Errors.h> 243330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <utils/Log.h> 253330b203039dea366d4981db1408a460134b2d2cMathias Agopian 263330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <ui/GraphicBuffer.h> 273330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <ui/GraphicBufferAllocator.h> 283330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <ui/GraphicBufferMapper.h> 293330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <ui/PixelFormat.h> 303330b203039dea366d4981db1408a460134b2d2cMathias Agopian 313330b203039dea366d4981db1408a460134b2d2cMathias Agopiannamespace android { 323330b203039dea366d4981db1408a460134b2d2cMathias Agopian 333330b203039dea366d4981db1408a460134b2d2cMathias Agopian// =========================================================================== 34697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev// Buffer and implementation of ANativeWindowBuffer 353330b203039dea366d4981db1408a460134b2d2cMathias Agopian// =========================================================================== 363330b203039dea366d4981db1408a460134b2d2cMathias Agopian 373330b203039dea366d4981db1408a460134b2d2cMathias AgopianGraphicBuffer::GraphicBuffer() 3854ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()), 39b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mInitCheck(NO_ERROR), mIndex(-1) 403330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 413330b203039dea366d4981db1408a460134b2d2cMathias Agopian width = 423330b203039dea366d4981db1408a460134b2d2cMathias Agopian height = 433330b203039dea366d4981db1408a460134b2d2cMathias Agopian stride = 443330b203039dea366d4981db1408a460134b2d2cMathias Agopian format = 453330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = 0; 463330b203039dea366d4981db1408a460134b2d2cMathias Agopian handle = NULL; 473330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 483330b203039dea366d4981db1408a460134b2d2cMathias Agopian 493330b203039dea366d4981db1408a460134b2d2cMathias AgopianGraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, 503330b203039dea366d4981db1408a460134b2d2cMathias Agopian PixelFormat reqFormat, uint32_t reqUsage) 5154ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()), 52b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mInitCheck(NO_ERROR), mIndex(-1) 533330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 543330b203039dea366d4981db1408a460134b2d2cMathias Agopian width = 553330b203039dea366d4981db1408a460134b2d2cMathias Agopian height = 563330b203039dea366d4981db1408a460134b2d2cMathias Agopian stride = 573330b203039dea366d4981db1408a460134b2d2cMathias Agopian format = 583330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = 0; 593330b203039dea366d4981db1408a460134b2d2cMathias Agopian handle = NULL; 603330b203039dea366d4981db1408a460134b2d2cMathias Agopian mInitCheck = initSize(w, h, reqFormat, reqUsage); 613330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 623330b203039dea366d4981db1408a460134b2d2cMathias Agopian 6354ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias AgopianGraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, 6454ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian PixelFormat inFormat, uint32_t inUsage, 6554ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian uint32_t inStride, native_handle_t* inHandle, bool keepOwnership) 6654ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian : BASE(), mOwner(keepOwnership ? ownHandle : ownNone), 6754ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian mBufferMapper(GraphicBufferMapper::get()), 68b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mInitCheck(NO_ERROR), mIndex(-1) 6954ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian{ 7054ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian width = w; 7154ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian height = h; 7254ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian stride = inStride; 7354ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian format = inFormat; 7454ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian usage = inUsage; 7554ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian handle = inHandle; 7654ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian} 7754ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian 78697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan MalchevGraphicBuffer::GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership) 79309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis : BASE(), mOwner(keepOwnership ? ownHandle : ownNone), 80309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis mBufferMapper(GraphicBufferMapper::get()), 81309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis mInitCheck(NO_ERROR), mIndex(-1), mWrappedBuffer(buffer) 82309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis{ 83309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis width = buffer->width; 84309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis height = buffer->height; 85309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis stride = buffer->stride; 86309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis format = buffer->format; 87309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis usage = buffer->usage; 88309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis handle = buffer->handle; 89309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis} 90309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis 9198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias AgopianGraphicBuffer::~GraphicBuffer() 923330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 9398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (handle) { 9498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian free_handle(); 953330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 963330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 973330b203039dea366d4981db1408a460134b2d2cMathias Agopian 9898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianvoid GraphicBuffer::free_handle() 993330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 10098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (mOwner == ownHandle) { 101309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis mBufferMapper.unregisterBuffer(handle); 10298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle_close(handle); 10398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle_delete(const_cast<native_handle*>(handle)); 10498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } else if (mOwner == ownData) { 10598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian GraphicBufferAllocator& allocator(GraphicBufferAllocator::get()); 10698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian allocator.free(handle); 1073330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 108309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis mWrappedBuffer = 0; 1093330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1103330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1113330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::initCheck() const { 1123330b203039dea366d4981db1408a460134b2d2cMathias Agopian return mInitCheck; 1133330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1143330b203039dea366d4981db1408a460134b2d2cMathias Agopian 115678bdd6349344df254cc0c3377a40fd99e216635Mathias Agopianvoid GraphicBuffer::dumpAllocationsToSystemLog() 116678bdd6349344df254cc0c3377a40fd99e216635Mathias Agopian{ 117678bdd6349344df254cc0c3377a40fd99e216635Mathias Agopian GraphicBufferAllocator::dumpToSystemLog(); 118678bdd6349344df254cc0c3377a40fd99e216635Mathias Agopian} 119678bdd6349344df254cc0c3377a40fd99e216635Mathias Agopian 120697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan MalchevANativeWindowBuffer* GraphicBuffer::getNativeBuffer() const 1213330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 122697526bc9e44ce61c88614f98387ae8bbf0a187eIliyan Malchev return static_cast<ANativeWindowBuffer*>( 1233330b203039dea366d4981db1408a460134b2d2cMathias Agopian const_cast<GraphicBuffer*>(this)); 1243330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1253330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1263330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::reallocate(uint32_t w, uint32_t h, PixelFormat f, 1273330b203039dea366d4981db1408a460134b2d2cMathias Agopian uint32_t reqUsage) 1283330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 12954ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian if (mOwner != ownData) 13054ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian return INVALID_OPERATION; 13154ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian 132579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian if (handle && w==width && h==height && f==format && reqUsage==usage) 133579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian return NO_ERROR; 134579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 1353330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (handle) { 1363330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBufferAllocator& allocator(GraphicBufferAllocator::get()); 1373330b203039dea366d4981db1408a460134b2d2cMathias Agopian allocator.free(handle); 1383330b203039dea366d4981db1408a460134b2d2cMathias Agopian handle = 0; 1393330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1403330b203039dea366d4981db1408a460134b2d2cMathias Agopian return initSize(w, h, f, reqUsage); 1413330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1423330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1433330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::initSize(uint32_t w, uint32_t h, PixelFormat format, 1443330b203039dea366d4981db1408a460134b2d2cMathias Agopian uint32_t reqUsage) 1453330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1463330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBufferAllocator& allocator = GraphicBufferAllocator::get(); 1473330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t err = allocator.alloc(w, h, format, reqUsage, &handle, &stride); 1483330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (err == NO_ERROR) { 1493330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->width = w; 1503330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->height = h; 1513330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->format = format; 1523330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->usage = reqUsage; 1533330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1543330b203039dea366d4981db1408a460134b2d2cMathias Agopian return err; 1553330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1563330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1573330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::lock(uint32_t usage, void** vaddr) 1583330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1593330b203039dea366d4981db1408a460134b2d2cMathias Agopian const Rect lockBounds(width, height); 1603330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = lock(usage, lockBounds, vaddr); 1613330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1623330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1633330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1643330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::lock(uint32_t usage, const Rect& rect, void** vaddr) 1653330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1663330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (rect.left < 0 || rect.right > this->width || 1673330b203039dea366d4981db1408a460134b2d2cMathias Agopian rect.top < 0 || rect.bottom > this->height) { 168e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)", 1693330b203039dea366d4981db1408a460134b2d2cMathias Agopian rect.left, rect.top, rect.right, rect.bottom, 1703330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->width, this->height); 1713330b203039dea366d4981db1408a460134b2d2cMathias Agopian return BAD_VALUE; 1723330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1733330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = getBufferMapper().lock(handle, usage, rect, vaddr); 1743330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1753330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1763330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1773330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::unlock() 1783330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1793330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = getBufferMapper().unlock(handle); 1803330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1813330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1823330b203039dea366d4981db1408a460134b2d2cMathias Agopian 18398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopiansize_t GraphicBuffer::getFlattenedSize() const { 18498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return (8 + (handle ? handle->numInts : 0))*sizeof(int); 18598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 18698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 18798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopiansize_t GraphicBuffer::getFdCount() const { 18898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return handle ? handle->numFds : 0; 18998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 1903330b203039dea366d4981db1408a460134b2d2cMathias Agopian 19198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t GraphicBuffer::flatten(void* buffer, size_t size, 19298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int fds[], size_t count) const 1933330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 19498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t sizeNeeded = GraphicBuffer::getFlattenedSize(); 19598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (size < sizeNeeded) return NO_MEMORY; 19698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 19798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fdCountNeeded = GraphicBuffer::getFdCount(); 19898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (count < fdCountNeeded) return NO_MEMORY; 19998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 20098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* buf = static_cast<int*>(buffer); 20198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[0] = 'GBFR'; 20298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[1] = width; 20398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[2] = height; 20498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[3] = stride; 20598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[4] = format; 20698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[5] = usage; 20798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[6] = 0; 20898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[7] = 0; 2093330b203039dea366d4981db1408a460134b2d2cMathias Agopian 21098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (handle) { 21198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[6] = handle->numFds; 21298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[7] = handle->numInts; 21398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle_t const* const h = handle; 21498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(fds, h->data, h->numFds*sizeof(int)); 21598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(&buf[8], h->data + h->numFds, h->numInts*sizeof(int)); 21698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 21798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 21898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return NO_ERROR; 21998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 22098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 22198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t GraphicBuffer::unflatten(void const* buffer, size_t size, 22298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int fds[], size_t count) 22398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 22498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (size < 8*sizeof(int)) return NO_MEMORY; 22598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 22698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int const* buf = static_cast<int const*>(buffer); 22798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf[0] != 'GBFR') return BAD_TYPE; 22898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 22998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t numFds = buf[6]; 23098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t numInts = buf[7]; 2313330b203039dea366d4981db1408a460134b2d2cMathias Agopian 23298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t sizeNeeded = (8 + numInts) * sizeof(int); 23398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (size < sizeNeeded) return NO_MEMORY; 23498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 23598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fdCountNeeded = 0; 23698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (count < fdCountNeeded) return NO_MEMORY; 23798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 23898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (handle) { 23998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // free previous handle if any 24098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian free_handle(); 24198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 24298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 24398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (numFds || numInts) { 24498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian width = buf[1]; 24598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian height = buf[2]; 24698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian stride = buf[3]; 24798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian format = buf[4]; 24898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian usage = buf[5]; 24998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 25098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(h->data, fds, numFds*sizeof(int)); 25198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(h->data + numFds, &buf[8], numInts*sizeof(int)); 25298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian handle = h; 2533330b203039dea366d4981db1408a460134b2d2cMathias Agopian } else { 25498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian width = height = stride = format = usage = 0; 25598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian handle = NULL; 2563330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 25798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 25898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian mOwner = ownHandle; 259309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis 260309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis if (handle != 0) { 261d69097f936d9780957a51ce77335ae409b32aaa3Jamie Gennis status_t err = mBufferMapper.registerBuffer(handle); 262d69097f936d9780957a51ce77335ae409b32aaa3Jamie Gennis if (err != NO_ERROR) { 263d69097f936d9780957a51ce77335ae409b32aaa3Jamie Gennis ALOGE("unflatten: registerBuffer failed: %s (%d)", 264d69097f936d9780957a51ce77335ae409b32aaa3Jamie Gennis strerror(-err), err); 265d69097f936d9780957a51ce77335ae409b32aaa3Jamie Gennis return err; 266d69097f936d9780957a51ce77335ae409b32aaa3Jamie Gennis } 267309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis } 268309d3bb2f902163356f9d40b6d45c11b435d77a9Jamie Gennis 26998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return NO_ERROR; 2703330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 2713330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2723330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2733330b203039dea366d4981db1408a460134b2d2cMathias Agopianvoid GraphicBuffer::setIndex(int index) { 2743330b203039dea366d4981db1408a460134b2d2cMathias Agopian mIndex = index; 2753330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 2763330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2773330b203039dea366d4981db1408a460134b2d2cMathias Agopianint GraphicBuffer::getIndex() const { 2783330b203039dea366d4981db1408a460134b2d2cMathias Agopian return mIndex; 2793330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 2803330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2813330b203039dea366d4981db1408a460134b2d2cMathias Agopian// --------------------------------------------------------------------------- 2823330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2833330b203039dea366d4981db1408a460134b2d2cMathias Agopian}; // namespace android 284