1 /* 2 * Copyright 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <WindowSurface.h> 18 19 #include <gui/SurfaceComposerClient.h> 20 #include <gui/ISurfaceComposer.h> 21 #include <gui/Surface.h> 22 #include <ui/DisplayInfo.h> 23 24 using namespace android; 25 26 WindowSurface::WindowSurface() { 27 status_t err; 28 29 sp<SurfaceComposerClient> surfaceComposerClient = new SurfaceComposerClient; 30 err = surfaceComposerClient->initCheck(); 31 if (err != NO_ERROR) { 32 fprintf(stderr, "SurfaceComposerClient::initCheck error: %#x\n", err); 33 return; 34 } 35 36 // Get main display parameters. 37 const auto mainDpy = SurfaceComposerClient::getInternalDisplayToken(); 38 if (mainDpy == nullptr) { 39 fprintf(stderr, "ERROR: no display\n"); 40 return; 41 } 42 43 DisplayInfo mainDpyInfo; 44 err = SurfaceComposerClient::getDisplayInfo(mainDpy, &mainDpyInfo); 45 if (err != NO_ERROR) { 46 fprintf(stderr, "ERROR: unable to get display characteristics\n"); 47 return; 48 } 49 50 uint32_t width, height; 51 if (mainDpyInfo.orientation != DISPLAY_ORIENTATION_0 && 52 mainDpyInfo.orientation != DISPLAY_ORIENTATION_180) { 53 // rotated 54 width = mainDpyInfo.h; 55 height = mainDpyInfo.w; 56 } else { 57 width = mainDpyInfo.w; 58 height = mainDpyInfo.h; 59 } 60 61 sp<SurfaceControl> sc = surfaceComposerClient->createSurface( 62 String8("Benchmark"), width, height, 63 PIXEL_FORMAT_RGBX_8888, ISurfaceComposerClient::eOpaque); 64 if (sc == nullptr || !sc->isValid()) { 65 fprintf(stderr, "Failed to create SurfaceControl\n"); 66 return; 67 } 68 69 SurfaceComposerClient::Transaction{} 70 .setLayer(sc, 0x7FFFFFFF) 71 .show(sc) 72 .apply(); 73 74 mSurfaceControl = sc; 75 } 76 77 EGLNativeWindowType WindowSurface::getSurface() const { 78 sp<ANativeWindow> anw = mSurfaceControl->getSurface(); 79 return (EGLNativeWindowType) anw.get(); 80 } 81 82
