GraphicBuffer.cpp revision b7e930db175c192464cebdeb49eb56cf6dd60114
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 Agopian#include <pixelflinger/pixelflinger.h> 323330b203039dea366d4981db1408a460134b2d2cMathias Agopian 333330b203039dea366d4981db1408a460134b2d2cMathias Agopiannamespace android { 343330b203039dea366d4981db1408a460134b2d2cMathias Agopian 353330b203039dea366d4981db1408a460134b2d2cMathias Agopian// =========================================================================== 363330b203039dea366d4981db1408a460134b2d2cMathias Agopian// Buffer and implementation of android_native_buffer_t 373330b203039dea366d4981db1408a460134b2d2cMathias Agopian// =========================================================================== 383330b203039dea366d4981db1408a460134b2d2cMathias Agopian 393330b203039dea366d4981db1408a460134b2d2cMathias AgopianGraphicBuffer::GraphicBuffer() 4054ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()), 41b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mInitCheck(NO_ERROR), mIndex(-1) 423330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 433330b203039dea366d4981db1408a460134b2d2cMathias Agopian width = 443330b203039dea366d4981db1408a460134b2d2cMathias Agopian height = 453330b203039dea366d4981db1408a460134b2d2cMathias Agopian stride = 463330b203039dea366d4981db1408a460134b2d2cMathias Agopian format = 473330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = 0; 483330b203039dea366d4981db1408a460134b2d2cMathias Agopian handle = NULL; 493330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 503330b203039dea366d4981db1408a460134b2d2cMathias Agopian 513330b203039dea366d4981db1408a460134b2d2cMathias AgopianGraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, 523330b203039dea366d4981db1408a460134b2d2cMathias Agopian PixelFormat reqFormat, uint32_t reqUsage) 5354ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()), 54b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mInitCheck(NO_ERROR), mIndex(-1) 553330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 563330b203039dea366d4981db1408a460134b2d2cMathias Agopian width = 573330b203039dea366d4981db1408a460134b2d2cMathias Agopian height = 583330b203039dea366d4981db1408a460134b2d2cMathias Agopian stride = 593330b203039dea366d4981db1408a460134b2d2cMathias Agopian format = 603330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = 0; 613330b203039dea366d4981db1408a460134b2d2cMathias Agopian handle = NULL; 623330b203039dea366d4981db1408a460134b2d2cMathias Agopian mInitCheck = initSize(w, h, reqFormat, reqUsage); 633330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 643330b203039dea366d4981db1408a460134b2d2cMathias Agopian 6554ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias AgopianGraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, 6654ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian PixelFormat inFormat, uint32_t inUsage, 6754ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian uint32_t inStride, native_handle_t* inHandle, bool keepOwnership) 6854ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian : BASE(), mOwner(keepOwnership ? ownHandle : ownNone), 6954ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian mBufferMapper(GraphicBufferMapper::get()), 70b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mInitCheck(NO_ERROR), mIndex(-1) 7154ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian{ 7254ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian width = w; 7354ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian height = h; 7454ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian stride = inStride; 7554ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian format = inFormat; 7654ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian usage = inUsage; 7754ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian handle = inHandle; 7854ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian} 7954ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian 8098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias AgopianGraphicBuffer::~GraphicBuffer() 813330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 8298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (handle) { 8398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian free_handle(); 843330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 853330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 863330b203039dea366d4981db1408a460134b2d2cMathias Agopian 8798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianvoid GraphicBuffer::free_handle() 883330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 8998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (mOwner == ownHandle) { 9098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle_close(handle); 9198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle_delete(const_cast<native_handle*>(handle)); 9298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } else if (mOwner == ownData) { 9398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian GraphicBufferAllocator& allocator(GraphicBufferAllocator::get()); 9498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian allocator.free(handle); 953330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 963330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 973330b203039dea366d4981db1408a460134b2d2cMathias Agopian 983330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::initCheck() const { 993330b203039dea366d4981db1408a460134b2d2cMathias Agopian return mInitCheck; 1003330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1013330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1023330b203039dea366d4981db1408a460134b2d2cMathias Agopianandroid_native_buffer_t* GraphicBuffer::getNativeBuffer() const 1033330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1043330b203039dea366d4981db1408a460134b2d2cMathias Agopian return static_cast<android_native_buffer_t*>( 1053330b203039dea366d4981db1408a460134b2d2cMathias Agopian const_cast<GraphicBuffer*>(this)); 1063330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1073330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1083330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::reallocate(uint32_t w, uint32_t h, PixelFormat f, 1093330b203039dea366d4981db1408a460134b2d2cMathias Agopian uint32_t reqUsage) 1103330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 11154ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian if (mOwner != ownData) 11254ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian return INVALID_OPERATION; 11354ba51dff21de666c5ae3bf3abd4f0634ebb0676Mathias Agopian 1143330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (handle) { 1153330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBufferAllocator& allocator(GraphicBufferAllocator::get()); 1163330b203039dea366d4981db1408a460134b2d2cMathias Agopian allocator.free(handle); 1173330b203039dea366d4981db1408a460134b2d2cMathias Agopian handle = 0; 1183330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1193330b203039dea366d4981db1408a460134b2d2cMathias Agopian return initSize(w, h, f, reqUsage); 1203330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1213330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1223330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::initSize(uint32_t w, uint32_t h, PixelFormat format, 1233330b203039dea366d4981db1408a460134b2d2cMathias Agopian uint32_t reqUsage) 1243330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1253330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBufferAllocator& allocator = GraphicBufferAllocator::get(); 1263330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t err = allocator.alloc(w, h, format, reqUsage, &handle, &stride); 12749753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian 12849753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian if (err<0 && format == PIXEL_FORMAT_RGBX_8888) { 12949753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian /* 13049753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian * There is currently a bug with some gralloc implementations 13149753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian * not supporting RGBX_8888. In this case, we revert to using RGBA_8888 13249753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian * which is not exactly the same, as GL_REPLACE will yield a different 13349753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian * result. 13449753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian */ 13549753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian format = PIXEL_FORMAT_RGBA_8888; 13649753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian err = allocator.alloc(w, h, format, reqUsage, &handle, &stride); 13749753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian } 13849753266d2219d2fbf5c33dc4626f299dffcdd76Mathias Agopian 1393330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (err == NO_ERROR) { 1403330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->width = w; 1413330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->height = h; 1423330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->format = format; 1433330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->usage = reqUsage; 1443330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1453330b203039dea366d4981db1408a460134b2d2cMathias Agopian return err; 1463330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1473330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1483330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::lock(uint32_t usage, void** vaddr) 1493330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1503330b203039dea366d4981db1408a460134b2d2cMathias Agopian const Rect lockBounds(width, height); 1513330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = lock(usage, lockBounds, vaddr); 1523330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1533330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1543330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1553330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::lock(uint32_t usage, const Rect& rect, void** vaddr) 1563330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1573330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (rect.left < 0 || rect.right > this->width || 1583330b203039dea366d4981db1408a460134b2d2cMathias Agopian rect.top < 0 || rect.bottom > this->height) { 1593330b203039dea366d4981db1408a460134b2d2cMathias Agopian LOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)", 1603330b203039dea366d4981db1408a460134b2d2cMathias Agopian rect.left, rect.top, rect.right, rect.bottom, 1613330b203039dea366d4981db1408a460134b2d2cMathias Agopian this->width, this->height); 1623330b203039dea366d4981db1408a460134b2d2cMathias Agopian return BAD_VALUE; 1633330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1643330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = getBufferMapper().lock(handle, usage, rect, vaddr); 1653330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1663330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1673330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1683330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::unlock() 1693330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1703330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = getBufferMapper().unlock(handle); 1713330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1723330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1733330b203039dea366d4981db1408a460134b2d2cMathias Agopian 1743330b203039dea366d4981db1408a460134b2d2cMathias Agopianstatus_t GraphicBuffer::lock(GGLSurface* sur, uint32_t usage) 1753330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 1763330b203039dea366d4981db1408a460134b2d2cMathias Agopian void* vaddr; 1773330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = GraphicBuffer::lock(usage, &vaddr); 1783330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (res == NO_ERROR && sur) { 1793330b203039dea366d4981db1408a460134b2d2cMathias Agopian sur->version = sizeof(GGLSurface); 1803330b203039dea366d4981db1408a460134b2d2cMathias Agopian sur->width = width; 1813330b203039dea366d4981db1408a460134b2d2cMathias Agopian sur->height = height; 1823330b203039dea366d4981db1408a460134b2d2cMathias Agopian sur->stride = stride; 1833330b203039dea366d4981db1408a460134b2d2cMathias Agopian sur->format = format; 1843330b203039dea366d4981db1408a460134b2d2cMathias Agopian sur->data = static_cast<GGLubyte*>(vaddr); 1853330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 1863330b203039dea366d4981db1408a460134b2d2cMathias Agopian return res; 1873330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 1883330b203039dea366d4981db1408a460134b2d2cMathias Agopian 18998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopiansize_t GraphicBuffer::getFlattenedSize() const { 19098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return (8 + (handle ? handle->numInts : 0))*sizeof(int); 19198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 19298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 19398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopiansize_t GraphicBuffer::getFdCount() const { 19498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return handle ? handle->numFds : 0; 19598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 1963330b203039dea366d4981db1408a460134b2d2cMathias Agopian 19798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t GraphicBuffer::flatten(void* buffer, size_t size, 19898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int fds[], size_t count) const 1993330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 20098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t sizeNeeded = GraphicBuffer::getFlattenedSize(); 20198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (size < sizeNeeded) return NO_MEMORY; 20298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 20398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fdCountNeeded = GraphicBuffer::getFdCount(); 20498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (count < fdCountNeeded) return NO_MEMORY; 20598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 20698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* buf = static_cast<int*>(buffer); 20798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[0] = 'GBFR'; 20898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[1] = width; 20998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[2] = height; 21098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[3] = stride; 21198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[4] = format; 21298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[5] = usage; 21398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[6] = 0; 21498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[7] = 0; 2153330b203039dea366d4981db1408a460134b2d2cMathias Agopian 21698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (handle) { 21798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[6] = handle->numFds; 21898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian buf[7] = handle->numInts; 21998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle_t const* const h = handle; 22098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(fds, h->data, h->numFds*sizeof(int)); 22198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(&buf[8], h->data + h->numFds, h->numInts*sizeof(int)); 22298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 22398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 22498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return NO_ERROR; 22598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 22698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 22798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t GraphicBuffer::unflatten(void const* buffer, size_t size, 22898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int fds[], size_t count) 22998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 23098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (size < 8*sizeof(int)) return NO_MEMORY; 23198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 23298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int const* buf = static_cast<int const*>(buffer); 23398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf[0] != 'GBFR') return BAD_TYPE; 23498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 23598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t numFds = buf[6]; 23698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t numInts = buf[7]; 2373330b203039dea366d4981db1408a460134b2d2cMathias Agopian 23898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t sizeNeeded = (8 + numInts) * sizeof(int); 23998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (size < sizeNeeded) return NO_MEMORY; 24098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 24198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fdCountNeeded = 0; 24298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (count < fdCountNeeded) return NO_MEMORY; 24398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 24498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (handle) { 24598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // free previous handle if any 24698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian free_handle(); 24798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 24898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 24998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (numFds || numInts) { 25098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian width = buf[1]; 25198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian height = buf[2]; 25298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian stride = buf[3]; 25398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian format = buf[4]; 25498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian usage = buf[5]; 25598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 25698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(h->data, fds, numFds*sizeof(int)); 25798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian memcpy(h->data + numFds, &buf[8], numInts*sizeof(int)); 25898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian handle = h; 2593330b203039dea366d4981db1408a460134b2d2cMathias Agopian } else { 26098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian width = height = stride = format = usage = 0; 26198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian handle = NULL; 2623330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 26398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 26498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian mOwner = ownHandle; 26598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return NO_ERROR; 2663330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 2673330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2683330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2693330b203039dea366d4981db1408a460134b2d2cMathias Agopianvoid GraphicBuffer::setIndex(int index) { 2703330b203039dea366d4981db1408a460134b2d2cMathias Agopian mIndex = index; 2713330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 2723330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2733330b203039dea366d4981db1408a460134b2d2cMathias Agopianint GraphicBuffer::getIndex() const { 2743330b203039dea366d4981db1408a460134b2d2cMathias Agopian return mIndex; 2753330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 2763330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2773330b203039dea366d4981db1408a460134b2d2cMathias Agopian// --------------------------------------------------------------------------- 2783330b203039dea366d4981db1408a460134b2d2cMathias Agopian 2793330b203039dea366d4981db1408a460134b2d2cMathias Agopian}; // namespace android 280