HWComposer.cpp revision 8372785879d329f592f6883620b5a32d80d74691
1a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian/* 2a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * Copyright (C) 2010 The Android Open Source Project 3a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * 4a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * you may not use this file except in compliance with the License. 6a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * You may obtain a copy of the License at 7a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * 8a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * 10a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * Unless required by applicable law or agreed to in writing, software 11a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * See the License for the specific language governing permissions and 14a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian * limitations under the License. 15a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian */ 16a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 17a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include <stdint.h> 18f1352df47fe20aed23c216a78923c7d248f2bb91Mathias Agopian#include <stdio.h> 19f1352df47fe20aed23c216a78923c7d248f2bb91Mathias Agopian#include <stdlib.h> 20f1352df47fe20aed23c216a78923c7d248f2bb91Mathias Agopian#include <string.h> 21a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include <sys/types.h> 22a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 23a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include <utils/Errors.h> 248372785879d329f592f6883620b5a32d80d74691Mathias Agopian#include <utils/String8.h> 25a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 26a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include <hardware/hardware.h> 27a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 28a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include <cutils/log.h> 29a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 30a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include <EGL/egl.h> 31a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 32a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian#include "HWComposer.h" 33a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 34a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopiannamespace android { 35a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian// --------------------------------------------------------------------------- 36a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 37a350ff98692b3a50cad5cc93f9f83221242ca86aMathias AgopianHWComposer::HWComposer() 3845721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian : mModule(0), mHwc(0), mList(0), mCapacity(0), 39a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mDpy(EGL_NO_DISPLAY), mSur(EGL_NO_SURFACE) 40a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian{ 41a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule); 42a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian LOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID); 43a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian if (err == 0) { 44a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian err = hwc_open(mModule, &mHwc); 45a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian LOGE_IF(err, "%s device failed to initialize (%s)", 46a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian HWC_HARDWARE_COMPOSER, strerror(-err)); 47a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian } 48a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 49a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 50a350ff98692b3a50cad5cc93f9f83221242ca86aMathias AgopianHWComposer::~HWComposer() { 51a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian free(mList); 52a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian if (mHwc) { 53a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian hwc_close(mHwc); 54a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian } 55a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 56a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 57a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::initCheck() const { 58a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return mHwc ? NO_ERROR : NO_INIT; 59a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 60a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 61a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianvoid HWComposer::setFrameBuffer(EGLDisplay dpy, EGLSurface sur) { 62a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mDpy = (hwc_display_t)dpy; 63a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mSur = (hwc_surface_t)sur; 64a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 65a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 66a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::createWorkList(size_t numLayers) { 6745721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian if (mHwc) { 6845721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian if (!mList || mCapacity < numLayers) { 6945721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian free(mList); 7045721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian size_t size = sizeof(hwc_layer_list) + numLayers*sizeof(hwc_layer_t); 7145721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian mList = (hwc_layer_list_t*)malloc(size); 7245721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian mCapacity = numLayers; 7345721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian } 74a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mList->flags = HWC_GEOMETRY_CHANGED; 75a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mList->numHwLayers = numLayers; 76a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian } 77a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return NO_ERROR; 78a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 79a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 80a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::prepare() const { 81a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian int err = mHwc->prepare(mHwc, mList); 82a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return (status_t)err; 83a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 84a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 85a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::commit() const { 86a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian int err = mHwc->set(mHwc, mDpy, mSur, mList); 87a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mList->flags &= ~HWC_GEOMETRY_CHANGED; 88a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return (status_t)err; 89a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 90a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 91f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatalastatus_t HWComposer::release() const { 92f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatala int err = mHwc->set(mHwc, NULL, NULL, NULL); 93f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatala return (status_t)err; 94f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatala} 95f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatala 9645721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopiansize_t HWComposer::getNumLayers() const { 9745721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian return mList ? mList->numHwLayers : 0; 98a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 99a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 10045721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopianhwc_layer_t* HWComposer::getLayers() const { 10145721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian return mList ? mList->hwLayers : 0; 102a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 103a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 1048372785879d329f592f6883620b5a32d80d74691Mathias Agopianvoid HWComposer::dump(String8& result, char* buffer, size_t SIZE) const { 1058372785879d329f592f6883620b5a32d80d74691Mathias Agopian if (mHwc && mList) { 1068372785879d329f592f6883620b5a32d80d74691Mathias Agopian result.append("Hardware Composer state:\n"); 1078372785879d329f592f6883620b5a32d80d74691Mathias Agopian 1088372785879d329f592f6883620b5a32d80d74691Mathias Agopian snprintf(buffer, SIZE, " numHwLayers=%u, flags=%08x\n", 1098372785879d329f592f6883620b5a32d80d74691Mathias Agopian mList->numHwLayers, mList->flags); 1108372785879d329f592f6883620b5a32d80d74691Mathias Agopian result.append(buffer); 1118372785879d329f592f6883620b5a32d80d74691Mathias Agopian 1128372785879d329f592f6883620b5a32d80d74691Mathias Agopian for (size_t i=0 ; i<mList->numHwLayers ; i++) { 1138372785879d329f592f6883620b5a32d80d74691Mathias Agopian const hwc_layer_t& l(mList->hwLayers[i]); 1148372785879d329f592f6883620b5a32d80d74691Mathias Agopian snprintf(buffer, SIZE, " %8s | %08x | %08x | %02x | %04x | [%5d,%5d,%5d,%5d] | [%5d,%5d,%5d,%5d]\n", 1158372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.compositionType ? "OVERLAY" : "FB", 1168372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.hints, l.flags, l.transform, l.blending, 1178372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1188372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom); 1198372785879d329f592f6883620b5a32d80d74691Mathias Agopian result.append(buffer); 1208372785879d329f592f6883620b5a32d80d74691Mathias Agopian } 1218372785879d329f592f6883620b5a32d80d74691Mathias Agopian } 1228372785879d329f592f6883620b5a32d80d74691Mathias Agopian} 1238372785879d329f592f6883620b5a32d80d74691Mathias Agopian 124a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian// --------------------------------------------------------------------------- 125a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian}; // namespace android 126