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/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <WindowSurface.h>
#include <gui/SurfaceComposerClient.h>
#include <gui/ISurfaceComposer.h>
#include <gui/Surface.h>
#include <ui/DisplayInfo.h>
using namespace android;
WindowSurface::WindowSurface() {
status_t err;
sp<SurfaceComposerClient> surfaceComposerClient = new SurfaceComposerClient;
err = surfaceComposerClient->initCheck();
if (err != NO_ERROR) {
fprintf(stderr, "SurfaceComposerClient::initCheck error: %#x\n", err);
return;
}
// Get main display parameters.
sp<IBinder> mainDpy = SurfaceComposerClient::getBuiltInDisplay(
ISurfaceComposer::eDisplayIdMain);
DisplayInfo mainDpyInfo;
err = SurfaceComposerClient::getDisplayInfo(mainDpy, &mainDpyInfo);
if (err != NO_ERROR) {
fprintf(stderr, "ERROR: unable to get display characteristics\n");
return;
}
uint32_t width, height;
if (mainDpyInfo.orientation != DISPLAY_ORIENTATION_0 &&
mainDpyInfo.orientation != DISPLAY_ORIENTATION_180) {
// rotated
width = mainDpyInfo.h;
height = mainDpyInfo.w;
} else {
width = mainDpyInfo.w;
height = mainDpyInfo.h;
}
sp<SurfaceControl> sc = surfaceComposerClient->createSurface(
String8("Benchmark"), width, height,
PIXEL_FORMAT_RGBX_8888, ISurfaceComposerClient::eOpaque);
if (sc == NULL || !sc->isValid()) {
fprintf(stderr, "Failed to create SurfaceControl\n");
return;
}
SurfaceComposerClient::openGlobalTransaction();
err = sc->setLayer(0x7FFFFFFF); // always on top
if (err != NO_ERROR) {
fprintf(stderr, "SurfaceComposer::setLayer error: %#x\n", err);
return;
}
err = sc->show();
if (err != NO_ERROR) {
fprintf(stderr, "SurfaceComposer::show error: %#x\n", err);
return;
}
SurfaceComposerClient::closeGlobalTransaction();
mSurfaceControl = sc;
}
EGLNativeWindowType WindowSurface::getSurface() const {
sp<ANativeWindow> anw = mSurfaceControl->getSurface();
return (EGLNativeWindowType) anw.get();
}
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