IGraphicBufferAlloc.cpp revision 9a78c90cd46b2a3bd637b056873149d3b94384b4
19a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis/* 29a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * Copyright (C) 2011 The Android Open Source Project 39a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * 49a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * Licensed under the Apache License, Version 2.0 (the "License"); 59a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * you may not use this file except in compliance with the License. 69a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * You may obtain a copy of the License at 79a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * 89a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * http://www.apache.org/licenses/LICENSE-2.0 99a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * 109a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * Unless required by applicable law or agreed to in writing, software 119a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * distributed under the License is distributed on an "AS IS" BASIS, 129a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * See the License for the specific language governing permissions and 149a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis * limitations under the License. 159a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis */ 169a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 179a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis// tag as surfaceflinger 189a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis#define LOG_TAG "SurfaceFlinger" 199a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 209a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis#include <stdint.h> 219a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis#include <sys/types.h> 229a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 239a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis#include <binder/Parcel.h> 249a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 259a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis#include <ui/GraphicBuffer.h> 269a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 279a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis#include <surfaceflinger/IGraphicBufferAlloc.h> 289a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 299a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis// --------------------------------------------------------------------------- 309a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 319a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennisnamespace android { 329a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 339a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennisenum { 349a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis CREATE_GRAPHIC_BUFFER = IBinder::FIRST_CALL_TRANSACTION, 359a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis FREE_ALL_GRAPHIC_BUFFERS_EXCEPT, 369a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis}; 379a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 389a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennisclass BpGraphicBufferAlloc : public BpInterface<IGraphicBufferAlloc> 399a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis{ 409a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennispublic: 419a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis BpGraphicBufferAlloc(const sp<IBinder>& impl) 429a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis : BpInterface<IGraphicBufferAlloc>(impl) 439a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis { 449a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } 459a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 469a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h, 479a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis PixelFormat format, uint32_t usage) { 489a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis Parcel data, reply; 499a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInterfaceToken( 509a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis IGraphicBufferAlloc::getInterfaceDescriptor()); 519a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInt32(w); 529a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInt32(h); 539a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInt32(format); 549a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInt32(usage); 559a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis remote()->transact(CREATE_GRAPHIC_BUFFER, data, &reply); 569a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis sp<GraphicBuffer> graphicBuffer; 579a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis bool nonNull = (bool)reply.readInt32(); 589a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis if (nonNull) { 599a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis graphicBuffer = new GraphicBuffer(); 609a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis reply.read(*graphicBuffer); 619a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } 629a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis return graphicBuffer; 639a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } 649a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 659a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis virtual void freeAllGraphicBuffersExcept(int bufIdx) { 669a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis Parcel data, reply; 679a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInterfaceToken( 689a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis IGraphicBufferAlloc::getInterfaceDescriptor()); 699a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis data.writeInt32(bufIdx); 709a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis remote()->transact(FREE_ALL_GRAPHIC_BUFFERS_EXCEPT, data, &reply); 719a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } 729a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis}; 739a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 749a78c90cd46b2a3bd637b056873149d3b94384b4Jamie GennisIMPLEMENT_META_INTERFACE(GraphicBufferAlloc, "android.ui.IGraphicBufferAlloc"); 759a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 769a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis// ---------------------------------------------------------------------- 779a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 789a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennisstatus_t BnGraphicBufferAlloc::onTransact( 799a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 809a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis{ 819a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis // codes that don't require permission check 829a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 839a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis switch(code) { 849a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis case CREATE_GRAPHIC_BUFFER: { 859a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis CHECK_INTERFACE(IGraphicBufferAlloc, data, reply); 869a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis uint32_t w = data.readInt32(); 879a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis uint32_t h = data.readInt32(); 889a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis PixelFormat format = data.readInt32(); 899a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis uint32_t usage = data.readInt32(); 909a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis sp<GraphicBuffer> result(createGraphicBuffer(w, h, format, usage)); 919a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis reply->writeInt32(result != 0); 929a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis if (result != 0) { 939a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis reply->write(*result); 949a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } 959a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis return NO_ERROR; 969a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } break; 979a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis case FREE_ALL_GRAPHIC_BUFFERS_EXCEPT: { 989a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis CHECK_INTERFACE(IGraphicBufferAlloc, data, reply); 999a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis int bufIdx = data.readInt32(); 1009a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis freeAllGraphicBuffersExcept(bufIdx); 1019a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis return NO_ERROR; 1029a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } break; 1039a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis default: 1049a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis return BBinder::onTransact(code, data, reply, flags); 1059a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis } 1069a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis} 1079a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis 1089a78c90cd46b2a3bd637b056873149d3b94384b4Jamie Gennis}; // namespace android 109