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89 lines
2.7 KiB
89 lines
2.7 KiB
/*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <WindowSurface.h>
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#include <utility>
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#include <gui/ISurfaceComposer.h>
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#include <gui/Surface.h>
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#include <gui/SurfaceComposerClient.h>
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#include <ui/DisplayMode.h>
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#include <ui/DisplayState.h>
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using namespace android;
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WindowSurface::WindowSurface() {
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status_t err;
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sp<SurfaceComposerClient> surfaceComposerClient = new SurfaceComposerClient;
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err = surfaceComposerClient->initCheck();
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if (err != NO_ERROR) {
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fprintf(stderr, "SurfaceComposerClient::initCheck error: %#x\n", err);
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return;
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}
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const auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
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if (displayToken == nullptr) {
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fprintf(stderr, "ERROR: no display\n");
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return;
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}
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ui::DisplayMode displayMode;
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err = SurfaceComposerClient::getActiveDisplayMode(displayToken, &displayMode);
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if (err != NO_ERROR) {
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fprintf(stderr, "ERROR: unable to get active display mode\n");
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return;
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}
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ui::DisplayState displayState;
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err = SurfaceComposerClient::getDisplayState(displayToken, &displayState);
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if (err != NO_ERROR) {
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fprintf(stderr, "ERROR: unable to get display state\n");
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return;
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}
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const ui::Size& resolution = displayMode.resolution;
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auto width = resolution.getWidth();
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auto height = resolution.getHeight();
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if (displayState.orientation == ui::ROTATION_90 ||
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displayState.orientation == ui::ROTATION_270) {
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std::swap(width, height);
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}
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sp<SurfaceControl> sc = surfaceComposerClient->createSurface(
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String8("Benchmark"), width, height,
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PIXEL_FORMAT_RGBX_8888, ISurfaceComposerClient::eOpaque);
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if (sc == nullptr || !sc->isValid()) {
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fprintf(stderr, "Failed to create SurfaceControl\n");
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return;
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}
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SurfaceComposerClient::Transaction{}
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.setLayer(sc, 0x7FFFFFFF)
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.show(sc)
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.apply();
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mSurfaceControl = sc;
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}
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EGLNativeWindowType WindowSurface::getSurface() const {
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sp<ANativeWindow> anw = mSurfaceControl->getSurface();
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return (EGLNativeWindowType) anw.get();
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}
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