HWComposer.cpp revision 7ee4cd5556cef1878e1d4729f1b389f186311027
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" 33c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian#include "SurfaceFlinger.h" 34a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 35a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopiannamespace android { 36a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian// --------------------------------------------------------------------------- 37a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 38c7d14e247117392fbd44aa454622778a25c076aeMathias AgopianHWComposer::HWComposer(const sp<SurfaceFlinger>& flinger) 39c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian : mFlinger(flinger), 40c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian mModule(0), mHwc(0), mList(0), mCapacity(0), 41a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mDpy(EGL_NO_DISPLAY), mSur(EGL_NO_SURFACE) 42a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian{ 43a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule); 44a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian LOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID); 45a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian if (err == 0) { 46a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian err = hwc_open(mModule, &mHwc); 47a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian LOGE_IF(err, "%s device failed to initialize (%s)", 48a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian HWC_HARDWARE_COMPOSER, strerror(-err)); 49c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian if (err == 0) { 50c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian if (mHwc->registerProcs) { 51c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian mCBContext.hwc = this; 52c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian mCBContext.procs.invalidate = &hook_invalidate; 53c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian mHwc->registerProcs(mHwc, &mCBContext.procs); 54c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian } 55c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian } 56a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian } 57a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 58a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 59a350ff98692b3a50cad5cc93f9f83221242ca86aMathias AgopianHWComposer::~HWComposer() { 60a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian free(mList); 61a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian if (mHwc) { 62a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian hwc_close(mHwc); 63a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian } 64a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 65a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 66a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::initCheck() const { 67a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return mHwc ? NO_ERROR : NO_INIT; 68a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 69a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 70c7d14e247117392fbd44aa454622778a25c076aeMathias Agopianvoid HWComposer::hook_invalidate(struct hwc_procs* procs) { 71c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian reinterpret_cast<cb_context *>(procs)->hwc->invalidate(); 72c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian} 73c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian 74c7d14e247117392fbd44aa454622778a25c076aeMathias Agopianvoid HWComposer::invalidate() { 75c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian mFlinger->signalEvent(); 76c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian} 77c7d14e247117392fbd44aa454622778a25c076aeMathias Agopian 78a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianvoid HWComposer::setFrameBuffer(EGLDisplay dpy, EGLSurface sur) { 79a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mDpy = (hwc_display_t)dpy; 80a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mSur = (hwc_surface_t)sur; 81a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 82a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 83a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::createWorkList(size_t numLayers) { 8445721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian if (mHwc) { 8545721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian if (!mList || mCapacity < numLayers) { 8645721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian free(mList); 8745721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian size_t size = sizeof(hwc_layer_list) + numLayers*sizeof(hwc_layer_t); 8845721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian mList = (hwc_layer_list_t*)malloc(size); 8945721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian mCapacity = numLayers; 9045721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian } 91a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mList->flags = HWC_GEOMETRY_CHANGED; 92a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian mList->numHwLayers = numLayers; 93a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian } 94a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return NO_ERROR; 95a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 96a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 97a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::prepare() const { 98a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian int err = mHwc->prepare(mHwc, mList); 99a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return (status_t)err; 100a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 101a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 102a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopianstatus_t HWComposer::commit() const { 103a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian int err = mHwc->set(mHwc, mDpy, mSur, mList); 10458959343dbdb6157fa5f5463262d4842b8954353Mathias Agopian if (mList) { 10558959343dbdb6157fa5f5463262d4842b8954353Mathias Agopian mList->flags &= ~HWC_GEOMETRY_CHANGED; 10658959343dbdb6157fa5f5463262d4842b8954353Mathias Agopian } 107a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian return (status_t)err; 108a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 109a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 110f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatalastatus_t HWComposer::release() const { 1117ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian if (mHwc) { 1127ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian int err = mHwc->set(mHwc, NULL, NULL, NULL); 1137ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian return (status_t)err; 1147ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian } 1157ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian return NO_ERROR; 1167ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian} 1177ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian 1187ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopianstatus_t HWComposer::disable() { 1197ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian if (mHwc) { 1207ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian free(mList); 1217ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian mList = NULL; 1227ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian int err = mHwc->prepare(mHwc, NULL); 1237ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian return (status_t)err; 1247ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian } 1257ee4cd5556cef1878e1d4729f1b389f186311027Mathias Agopian return NO_ERROR; 126f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatala} 127f5f2712854599b4970643c6000fe6ae950a08ba9Antti Hatala 12845721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopiansize_t HWComposer::getNumLayers() const { 12945721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian return mList ? mList->numHwLayers : 0; 130a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 131a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 13245721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopianhwc_layer_t* HWComposer::getLayers() const { 13345721773e1a68e96da4b6cc04cef276bae7ca3e9Mathias Agopian return mList ? mList->hwLayers : 0; 134a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian} 135a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian 1368372785879d329f592f6883620b5a32d80d74691Mathias Agopianvoid HWComposer::dump(String8& result, char* buffer, size_t SIZE) const { 1378372785879d329f592f6883620b5a32d80d74691Mathias Agopian if (mHwc && mList) { 1388372785879d329f592f6883620b5a32d80d74691Mathias Agopian result.append("Hardware Composer state:\n"); 1398372785879d329f592f6883620b5a32d80d74691Mathias Agopian 1408372785879d329f592f6883620b5a32d80d74691Mathias Agopian snprintf(buffer, SIZE, " numHwLayers=%u, flags=%08x\n", 1418372785879d329f592f6883620b5a32d80d74691Mathias Agopian mList->numHwLayers, mList->flags); 1428372785879d329f592f6883620b5a32d80d74691Mathias Agopian result.append(buffer); 1438372785879d329f592f6883620b5a32d80d74691Mathias Agopian 1448372785879d329f592f6883620b5a32d80d74691Mathias Agopian for (size_t i=0 ; i<mList->numHwLayers ; i++) { 1458372785879d329f592f6883620b5a32d80d74691Mathias Agopian const hwc_layer_t& l(mList->hwLayers[i]); 1468372785879d329f592f6883620b5a32d80d74691Mathias Agopian snprintf(buffer, SIZE, " %8s | %08x | %08x | %02x | %04x | [%5d,%5d,%5d,%5d] | [%5d,%5d,%5d,%5d]\n", 1478372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.compositionType ? "OVERLAY" : "FB", 1488372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.hints, l.flags, l.transform, l.blending, 1498372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1508372785879d329f592f6883620b5a32d80d74691Mathias Agopian l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom); 1518372785879d329f592f6883620b5a32d80d74691Mathias Agopian result.append(buffer); 1528372785879d329f592f6883620b5a32d80d74691Mathias Agopian } 1531d21a9cafc534c34a2f28c985c4c7aa176d0e67bErik Gilling 1541d21a9cafc534c34a2f28c985c4c7aa176d0e67bErik Gilling } 1551d21a9cafc534c34a2f28c985c4c7aa176d0e67bErik Gilling if (mHwc && mHwc->common.version >= 1 && mHwc->dump) { 1561d21a9cafc534c34a2f28c985c4c7aa176d0e67bErik Gilling mHwc->dump(mHwc, buffer, SIZE); 1571d21a9cafc534c34a2f28c985c4c7aa176d0e67bErik Gilling result.append(buffer); 1588372785879d329f592f6883620b5a32d80d74691Mathias Agopian } 1598372785879d329f592f6883620b5a32d80d74691Mathias Agopian} 1608372785879d329f592f6883620b5a32d80d74691Mathias Agopian 161a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian// --------------------------------------------------------------------------- 162a350ff98692b3a50cad5cc93f9f83221242ca86aMathias Agopian}; // namespace android 163