88a5df9366
this captures the framebuffer via surfaceflinger APIs and outputs it to stdout. this is intended to be used by adbd. Change-Id: I0cfa6a47ec121edcd93f46b64870f9a553f653ff
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/*
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* Copyright (C) 2010 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 <unistd.h>
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#include <fcntl.h>
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#include <utils/Log.h>
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#include <binder/IPCThreadState.h>
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#include <binder/ProcessState.h>
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#include <binder/IServiceManager.h>
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#include <binder/IMemory.h>
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#include <surfaceflinger/ISurfaceComposer.h>
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using namespace android;
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int main(int argc, char** argv)
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{
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const String16 name("SurfaceFlinger");
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sp<ISurfaceComposer> composer;
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if (getService(name, &composer) != NO_ERROR)
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return 0;
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sp<IMemoryHeap> heap;
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uint32_t w, h;
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PixelFormat f;
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status_t err = composer->captureScreen(0, &heap, &w, &h, &f);
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if (err != NO_ERROR)
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return 0;
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uint8_t* base = (uint8_t*)heap->getBase();
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int fd = dup(STDOUT_FILENO);
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write(fd, &w, 4);
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write(fd, &h, 4);
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write(fd, &f, 4);
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write(fd, base, w*h*4);
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close(fd);
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return 0;
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}
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