2009-03-04 03:31:44 +00:00
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/*
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* Copyright (C) 2007 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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#ifndef ANDROID_SURFACE_FLINGER_H
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#define ANDROID_SURFACE_FLINGER_H
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#include <stdint.h>
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#include <sys/types.h>
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2012-07-24 06:11:29 +00:00
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#include <EGL/egl.h>
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#include <GLES/gl.h>
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2011-12-15 17:51:17 +00:00
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#include <cutils/compiler.h>
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2009-03-04 03:31:44 +00:00
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#include <utils/Atomic.h>
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#include <utils/Errors.h>
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2011-06-27 23:05:52 +00:00
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#include <utils/KeyedVector.h>
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2009-04-10 21:24:30 +00:00
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#include <utils/RefBase.h>
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2011-06-27 23:05:52 +00:00
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#include <utils/SortedVector.h>
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#include <utils/threads.h>
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2009-03-04 03:31:44 +00:00
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2010-07-15 01:41:18 +00:00
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#include <binder/BinderService.h>
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2011-06-27 23:05:52 +00:00
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#include <binder/IMemory.h>
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2009-06-16 01:24:59 +00:00
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2009-03-04 03:31:44 +00:00
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#include <ui/PixelFormat.h>
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2012-07-24 06:11:29 +00:00
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2012-02-26 02:48:35 +00:00
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#include <gui/ISurfaceComposer.h>
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#include <gui/ISurfaceComposerClient.h>
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2009-03-04 03:31:44 +00:00
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2012-07-25 05:46:10 +00:00
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#include <hardware/hwcomposer_defs.h>
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2012-07-24 06:11:29 +00:00
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#include <private/gui/LayerState.h>
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2009-03-04 03:31:44 +00:00
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2012-07-24 06:11:29 +00:00
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#include "Barrier.h"
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2009-04-21 02:39:12 +00:00
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#include "MessageQueue.h"
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2012-08-03 01:32:23 +00:00
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#include "DisplayDevice.h"
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2009-04-21 02:39:12 +00:00
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2012-07-25 05:46:10 +00:00
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#include "DisplayHardware/HWComposer.h"
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2009-03-04 03:31:44 +00:00
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namespace android {
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// ---------------------------------------------------------------------------
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class Client;
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2011-11-18 01:49:17 +00:00
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class DisplayEventConnection;
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class EventThread;
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2012-09-20 23:54:14 +00:00
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class IGraphicBufferAlloc;
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2009-03-04 03:31:44 +00:00
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class Layer;
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2012-07-24 06:11:29 +00:00
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class LayerBase;
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class LayerBaseClient;
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2010-06-01 22:12:58 +00:00
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class LayerDim;
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2011-10-13 23:02:48 +00:00
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class LayerScreenshot;
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2012-07-24 06:11:29 +00:00
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class SurfaceTextureClient;
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2009-03-04 03:31:44 +00:00
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// ---------------------------------------------------------------------------
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enum {
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2012-08-09 23:29:12 +00:00
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eTransactionNeeded = 0x01,
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eTraversalNeeded = 0x02,
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eDisplayTransactionNeeded = 0x04,
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eTransactionMask = 0x07
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2009-03-04 03:31:44 +00:00
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};
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2012-07-24 06:11:29 +00:00
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class SurfaceFlinger : public BinderService<SurfaceFlinger>,
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public BnSurfaceComposer,
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private IBinder::DeathRecipient,
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2012-07-25 05:46:10 +00:00
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private Thread,
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private HWComposer::EventHandler
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2009-03-04 03:31:44 +00:00
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{
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public:
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2012-07-24 06:11:29 +00:00
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static char const* getServiceName() {
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return "SurfaceFlinger";
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}
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2011-10-13 23:02:48 +00:00
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2012-07-24 06:11:29 +00:00
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SurfaceFlinger();
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2012-02-01 02:24:27 +00:00
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2012-07-25 05:46:10 +00:00
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enum {
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EVENT_VSYNC = HWC_EVENT_VSYNC
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};
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2012-07-24 06:11:29 +00:00
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// post an asynchronous message to the main thread
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status_t postMessageAsync(const sp<MessageBase>& msg, nsecs_t reltime = 0,
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uint32_t flags = 0);
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2011-10-13 23:02:48 +00:00
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2012-07-24 06:11:29 +00:00
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// post a synchronous message to the main thread
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status_t postMessageSync(const sp<MessageBase>& msg, nsecs_t reltime = 0,
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uint32_t flags = 0);
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2011-10-13 23:02:48 +00:00
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2012-07-24 06:11:29 +00:00
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// force full composition on all displays
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void repaintEverything();
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2010-06-01 22:12:58 +00:00
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2012-07-24 06:11:29 +00:00
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// renders content on given display to a texture. thread-safe version.
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2012-08-27 23:28:24 +00:00
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status_t renderScreenToTexture(uint32_t layerStack, GLuint* textureName,
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2012-07-24 06:11:29 +00:00
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GLfloat* uOut, GLfloat* vOut);
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2011-10-07 21:51:16 +00:00
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2012-07-24 06:11:29 +00:00
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// renders content on given display to a texture, w/o acquiring main lock
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2012-08-27 23:28:24 +00:00
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status_t renderScreenToTextureLocked(uint32_t layerStack, GLuint* textureName,
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2012-07-24 06:11:29 +00:00
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GLfloat* uOut, GLfloat* vOut);
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2012-07-12 21:25:33 +00:00
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2012-07-24 06:11:29 +00:00
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// returns the default Display
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2012-08-05 07:40:46 +00:00
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sp<const DisplayDevice> getDefaultDisplayDevice() const {
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2012-08-27 23:28:24 +00:00
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return getDisplayDevice(mDefaultDisplays[DisplayDevice::DISPLAY_PRIMARY]);
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2012-07-24 06:11:29 +00:00
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}
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2011-10-13 23:02:48 +00:00
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2012-07-25 05:46:10 +00:00
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// utility function to delete a texture on the main thread
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void deleteTextureAsync(GLuint texture);
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2012-08-27 23:28:24 +00:00
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// allocate a h/w composer display id
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int32_t allocateHwcDisplayId(DisplayDevice::DisplayType type);
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2012-07-25 05:46:10 +00:00
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// enable/disable h/w composer event
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// TODO: this should be made accessible only to EventThread
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void eventControl(int event, int enabled);
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2012-07-24 06:11:29 +00:00
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// called on the main thread by MessageQueue when an internal message
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// is received
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// TODO: this should be made accessible only to MessageQueue
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void onMessageReceived(int32_t what);
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2011-10-13 23:02:48 +00:00
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2009-03-04 03:31:44 +00:00
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private:
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2010-06-03 06:28:45 +00:00
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friend class Client;
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2011-11-18 01:49:17 +00:00
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friend class DisplayEventConnection;
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2009-03-04 03:31:44 +00:00
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friend class LayerBase;
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friend class LayerBaseClient;
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friend class Layer;
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2012-07-24 06:11:29 +00:00
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// We're reference counted, never destroy SurfaceFlinger directly
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virtual ~SurfaceFlinger();
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2009-03-04 03:31:44 +00:00
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* Internal data structures
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*/
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2011-10-13 23:02:48 +00:00
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2012-07-24 06:11:29 +00:00
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class LayerVector : public SortedVector<sp<LayerBase> > {
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2009-03-04 03:31:44 +00:00
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public:
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2012-07-24 06:11:29 +00:00
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LayerVector();
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LayerVector(const LayerVector& rhs);
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virtual int do_compare(const void* lhs, const void* rhs) const;
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2009-03-04 03:31:44 +00:00
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};
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2012-08-03 01:32:23 +00:00
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struct DisplayDeviceState {
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DisplayDeviceState();
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2012-08-27 23:28:24 +00:00
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DisplayDeviceState(DisplayDevice::DisplayType type);
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bool isValid() const { return type >= 0; }
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bool isMainDisplay() const { return type == DisplayDevice::DISPLAY_PRIMARY; }
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2012-09-13 21:09:01 +00:00
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bool isVirtualDisplay() const { return type >= DisplayDevice::DISPLAY_VIRTUAL; }
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2012-08-27 23:28:24 +00:00
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DisplayDevice::DisplayType type;
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2012-08-09 23:29:12 +00:00
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sp<ISurfaceTexture> surface;
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2012-08-03 01:32:23 +00:00
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uint32_t layerStack;
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Rect viewport;
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Rect frame;
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uint8_t orientation;
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2012-09-18 01:27:17 +00:00
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String8 displayName;
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2012-08-03 01:32:23 +00:00
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};
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2009-03-04 03:31:44 +00:00
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struct State {
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2012-07-24 06:11:29 +00:00
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LayerVector layersSortedByZ;
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2012-08-09 23:29:12 +00:00
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DefaultKeyedVector< wp<IBinder>, DisplayDeviceState> displays;
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2009-03-04 03:31:44 +00:00
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};
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* IBinder interface
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*/
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virtual status_t onTransact(uint32_t code, const Parcel& data,
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Parcel* reply, uint32_t flags);
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virtual status_t dump(int fd, const Vector<String16>& args);
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2009-03-04 03:31:44 +00:00
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* ISurfaceComposer interface
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*/
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virtual sp<ISurfaceComposerClient> createConnection();
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virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc();
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2012-09-18 01:27:17 +00:00
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virtual sp<IBinder> createDisplay(const String8& displayName);
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2012-08-09 23:29:12 +00:00
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virtual sp<IBinder> getBuiltInDisplay(int32_t id);
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2012-07-24 06:11:29 +00:00
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virtual void setTransactionState(const Vector<ComposerState>& state,
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2012-07-25 03:43:54 +00:00
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const Vector<DisplayState>& displays, uint32_t flags);
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2012-08-03 01:32:23 +00:00
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virtual void bootFinished();
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2012-07-24 06:11:29 +00:00
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virtual bool authenticateSurfaceTexture(
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const sp<ISurfaceTexture>& surface) const;
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virtual sp<IDisplayEventConnection> createDisplayEventConnection();
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2012-08-25 03:00:51 +00:00
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virtual status_t captureScreen(const sp<IBinder>& display, sp<IMemoryHeap>* heap,
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2012-07-24 06:11:29 +00:00
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uint32_t* width, uint32_t* height, PixelFormat* format,
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uint32_t reqWidth, uint32_t reqHeight, uint32_t minLayerZ,
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uint32_t maxLayerZ);
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// called when screen needs to turn off
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virtual void blank();
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// called when screen is turning back on
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virtual void unblank();
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2012-08-25 03:00:51 +00:00
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virtual status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info);
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virtual void connectDisplay(const sp<ISurfaceTexture>& display);
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2012-06-21 00:51:20 +00:00
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* DeathRecipient interface
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*/
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virtual void binderDied(const wp<IBinder>& who);
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2012-02-01 02:24:27 +00:00
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* Thread interface
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*/
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virtual bool threadLoop();
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virtual status_t readyToRun();
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virtual void onFirstRef();
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2012-07-25 05:46:10 +00:00
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/* ------------------------------------------------------------------------
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* HWComposer::EventHandler interface
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*/
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2012-08-27 23:28:24 +00:00
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virtual void onVSyncReceived(int type, nsecs_t timestamp);
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2012-09-20 00:31:36 +00:00
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virtual void onHotplugReceived(int disp, bool connected);
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2012-07-25 05:46:10 +00:00
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* Message handling
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*/
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void waitForEvent();
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void signalTransaction();
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void signalLayerUpdate();
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void signalRefresh();
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2012-08-24 17:16:42 +00:00
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// called on the main thread in response to initializeDisplays()
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void onInitializeDisplays();
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// called on the main thread in response to blank()
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2012-09-13 21:09:01 +00:00
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void onScreenReleased(const sp<const DisplayDevice>& hw);
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2012-08-24 17:16:42 +00:00
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// called on the main thread in response to unblank()
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2012-09-13 21:09:01 +00:00
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void onScreenAcquired(const sp<const DisplayDevice>& hw);
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2012-07-24 06:11:29 +00:00
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void handleMessageTransaction();
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void handleMessageInvalidate();
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void handleMessageRefresh();
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2012-07-31 19:38:26 +00:00
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void handleTransaction(uint32_t transactionFlags);
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void handleTransactionLocked(uint32_t transactionFlags);
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2012-07-24 06:11:29 +00:00
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/* handlePageFilp: this is were we latch a new buffer
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* if available and compute the dirty region.
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*/
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2012-07-31 19:38:26 +00:00
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void handlePageFlip();
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* Transactions
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*/
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uint32_t getTransactionFlags(uint32_t flags);
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uint32_t peekTransactionFlags(uint32_t flags);
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uint32_t setTransactionFlags(uint32_t flags);
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void commitTransaction();
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uint32_t setClientStateLocked(const sp<Client>& client,
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const layer_state_t& s);
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2012-08-09 23:29:12 +00:00
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uint32_t setDisplayStateLocked(const DisplayState& s);
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2012-07-24 06:11:29 +00:00
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/* ------------------------------------------------------------------------
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* Layer management
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*/
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sp<ISurface> createLayer(ISurfaceComposerClient::surface_data_t* params,
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2012-08-27 23:28:24 +00:00
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const String8& name, const sp<Client>& client,
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uint32_t w, uint32_t h, PixelFormat format, uint32_t flags);
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2012-07-24 06:11:29 +00:00
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2012-08-27 23:28:24 +00:00
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sp<Layer> createNormalLayer(const sp<Client>& client,
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uint32_t w, uint32_t h, uint32_t flags, PixelFormat& format);
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2012-07-24 06:11:29 +00:00
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2012-08-27 23:28:24 +00:00
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sp<LayerDim> createDimLayer(const sp<Client>& client,
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uint32_t w, uint32_t h, uint32_t flags);
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2012-07-24 06:11:29 +00:00
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sp<LayerScreenshot> createScreenshotLayer(const sp<Client>& client,
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2012-08-27 23:28:24 +00:00
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uint32_t w, uint32_t h, uint32_t flags);
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2012-07-24 06:11:29 +00:00
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// called in response to the window-manager calling
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// ISurfaceComposerClient::destroySurface()
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// The specified layer is first placed in a purgatory list
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// until all references from the client are released.
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status_t onLayerRemoved(const sp<Client>& client, SurfaceID sid);
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// called when all clients have released all their references to
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// this layer meaning it is entirely safe to destroy all
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// resources associated to this layer.
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status_t onLayerDestroyed(const wp<LayerBaseClient>& layer);
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// remove a layer from SurfaceFlinger immediately
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status_t removeLayer(const sp<LayerBase>& layer);
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2009-03-04 03:31:44 +00:00
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2012-07-24 06:11:29 +00:00
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// add a layer to SurfaceFlinger
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ssize_t addClientLayer(const sp<Client>& client,
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const sp<LayerBaseClient>& lbc);
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status_t removeLayer_l(const sp<LayerBase>& layer);
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status_t purgatorizeLayer_l(const sp<LayerBase>& layer);
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/* ------------------------------------------------------------------------
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* Boot animation, on/off animations and screen capture
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*/
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void startBootAnim();
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2012-08-25 03:00:51 +00:00
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status_t captureScreenImplLocked(const sp<IBinder>& display, sp<IMemoryHeap>* heap,
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2012-07-24 06:11:29 +00:00
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uint32_t* width, uint32_t* height, PixelFormat* format,
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uint32_t reqWidth, uint32_t reqHeight, uint32_t minLayerZ,
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uint32_t maxLayerZ);
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|
|
/* ------------------------------------------------------------------------
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* EGL
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|
*/
|
2012-09-26 01:24:31 +00:00
|
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static status_t selectConfigForAttribute(EGLDisplay dpy,
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EGLint const* attrs, EGLint attribute, EGLint value, EGLConfig* outConfig);
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2012-07-24 06:11:29 +00:00
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static EGLConfig selectEGLConfig(EGLDisplay disp, EGLint visualId);
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static EGLContext createGLContext(EGLDisplay disp, EGLConfig config);
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2012-09-13 21:09:01 +00:00
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void initializeGL(EGLDisplay display);
|
2012-07-24 06:11:29 +00:00
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uint32_t getMaxTextureSize() const;
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|
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uint32_t getMaxViewportDims() const;
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|
|
|
/* ------------------------------------------------------------------------
|
2012-07-31 19:38:26 +00:00
|
|
|
* Display and layer stack management
|
2012-07-24 06:11:29 +00:00
|
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|
*/
|
2012-08-24 17:16:42 +00:00
|
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// called when starting, or restarting after system_server death
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|
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void initializeDisplays();
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|
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|
2012-08-27 23:28:24 +00:00
|
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sp<const DisplayDevice> getDisplayDevice(const wp<IBinder>& dpy) const {
|
2012-08-03 01:32:23 +00:00
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|
return mDisplays.valueFor(dpy);
|
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|
|
}
|
2012-08-27 23:28:24 +00:00
|
|
|
const sp<DisplayDevice>& getDisplayDevice(const wp<IBinder>& dpy) {
|
2012-08-05 07:40:46 +00:00
|
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|
return mDisplays.valueFor(dpy);
|
2012-07-24 06:11:29 +00:00
|
|
|
}
|
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|
2012-07-31 19:38:26 +00:00
|
|
|
// mark a region of a layer stack dirty. this updates the dirty
|
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|
|
// region of all screens presenting this layer stack.
|
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|
|
void invalidateLayerStack(uint32_t layerStack, const Region& dirty);
|
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|
|
|
2012-07-24 06:11:29 +00:00
|
|
|
/* ------------------------------------------------------------------------
|
2012-07-25 05:46:10 +00:00
|
|
|
* H/W composer
|
|
|
|
*/
|
|
|
|
|
|
|
|
HWComposer& getHwComposer() const { return *mHwc; }
|
|
|
|
|
2012-08-05 04:10:38 +00:00
|
|
|
/* ------------------------------------------------------------------------
|
2012-07-24 06:11:29 +00:00
|
|
|
* Compositing
|
|
|
|
*/
|
|
|
|
void invalidateHwcGeometry();
|
2012-09-12 22:34:57 +00:00
|
|
|
static void computeVisibleRegions(
|
|
|
|
const LayerVector& currentLayers, uint32_t layerStack,
|
2012-07-31 19:38:26 +00:00
|
|
|
Region& dirtyRegion, Region& opaqueRegion);
|
2012-08-16 23:28:27 +00:00
|
|
|
|
|
|
|
void preComposition();
|
|
|
|
void postComposition();
|
|
|
|
void rebuildLayerStacks();
|
|
|
|
void setUpHWComposer();
|
|
|
|
void doComposition();
|
|
|
|
void doDebugFlashRegions();
|
|
|
|
void doDisplayComposition(const sp<const DisplayDevice>& hw,
|
|
|
|
const Region& dirtyRegion);
|
|
|
|
void doComposeSurfaces(const sp<const DisplayDevice>& hw,
|
|
|
|
const Region& dirty);
|
|
|
|
|
2012-07-24 06:11:29 +00:00
|
|
|
void postFramebuffer();
|
2012-08-28 01:54:24 +00:00
|
|
|
void drawWormhole(const sp<const DisplayDevice>& hw,
|
|
|
|
const Region& region) const;
|
2012-07-24 06:11:29 +00:00
|
|
|
GLuint getProtectedTexName() const {
|
|
|
|
return mProtectedTexName;
|
|
|
|
}
|
|
|
|
|
2012-08-24 03:19:38 +00:00
|
|
|
/* ------------------------------------------------------------------------
|
|
|
|
* Display management
|
|
|
|
*/
|
2012-08-27 23:28:24 +00:00
|
|
|
|
2012-08-24 03:19:38 +00:00
|
|
|
|
2012-07-24 06:11:29 +00:00
|
|
|
/* ------------------------------------------------------------------------
|
|
|
|
* Debugging & dumpsys
|
|
|
|
*/
|
|
|
|
void listLayersLocked(const Vector<String16>& args, size_t& index,
|
|
|
|
String8& result, char* buffer, size_t SIZE) const;
|
|
|
|
void dumpStatsLocked(const Vector<String16>& args, size_t& index,
|
|
|
|
String8& result, char* buffer, size_t SIZE) const;
|
|
|
|
void clearStatsLocked(const Vector<String16>& args, size_t& index,
|
|
|
|
String8& result, char* buffer, size_t SIZE) const;
|
|
|
|
void dumpAllLocked(String8& result, char* buffer, size_t SIZE) const;
|
2012-08-31 17:53:36 +00:00
|
|
|
bool startDdmConnection();
|
2012-09-25 02:07:20 +00:00
|
|
|
static void appendSfConfigString(String8& result);
|
2012-07-24 06:11:29 +00:00
|
|
|
|
|
|
|
/* ------------------------------------------------------------------------
|
|
|
|
* Attributes
|
|
|
|
*/
|
|
|
|
|
|
|
|
// access must be protected by mStateLock
|
|
|
|
mutable Mutex mStateLock;
|
|
|
|
State mCurrentState;
|
|
|
|
volatile int32_t mTransactionFlags;
|
|
|
|
Condition mTransactionCV;
|
|
|
|
SortedVector<sp<LayerBase> > mLayerPurgatory;
|
|
|
|
bool mTransationPending;
|
|
|
|
Vector<sp<LayerBase> > mLayersPendingRemoval;
|
|
|
|
|
|
|
|
// protected by mStateLock (but we could use another lock)
|
|
|
|
bool mLayersRemoved;
|
|
|
|
|
|
|
|
// access must be protected by mInvalidateLock
|
2012-07-31 19:38:26 +00:00
|
|
|
volatile int32_t mRepaintEverything;
|
2012-07-24 06:11:29 +00:00
|
|
|
|
|
|
|
// constant members (no synchronization needed for access)
|
2012-07-25 05:46:10 +00:00
|
|
|
HWComposer* mHwc;
|
2012-07-24 06:11:29 +00:00
|
|
|
GLuint mProtectedTexName;
|
|
|
|
nsecs_t mBootTime;
|
|
|
|
sp<EventThread> mEventThread;
|
|
|
|
GLint mMaxViewportDims[2];
|
|
|
|
GLint mMaxTextureSize;
|
|
|
|
EGLContext mEGLContext;
|
|
|
|
EGLConfig mEGLConfig;
|
2012-07-30 05:35:34 +00:00
|
|
|
EGLDisplay mEGLDisplay;
|
2012-08-27 23:28:24 +00:00
|
|
|
sp<IBinder> mDefaultDisplays[DisplayDevice::NUM_DISPLAY_TYPES];
|
2012-07-24 06:11:29 +00:00
|
|
|
|
|
|
|
// Can only accessed from the main thread, these members
|
|
|
|
// don't need synchronization
|
|
|
|
State mDrawingState;
|
|
|
|
bool mVisibleRegionsDirty;
|
|
|
|
bool mHwWorkListDirty;
|
2012-08-27 23:28:24 +00:00
|
|
|
DefaultKeyedVector< wp<IBinder>, sp<DisplayDevice> > mDisplays;
|
2012-07-24 06:11:29 +00:00
|
|
|
|
|
|
|
// don't use a lock for these, we don't care
|
|
|
|
int mDebugRegion;
|
|
|
|
int mDebugDDMS;
|
|
|
|
int mDebugDisableHWC;
|
|
|
|
int mDebugDisableTransformHint;
|
|
|
|
volatile nsecs_t mDebugInSwapBuffers;
|
|
|
|
nsecs_t mLastSwapBufferTime;
|
|
|
|
volatile nsecs_t mDebugInTransaction;
|
|
|
|
nsecs_t mLastTransactionTime;
|
|
|
|
bool mBootFinished;
|
|
|
|
|
|
|
|
// these are thread safe
|
|
|
|
mutable MessageQueue mEventQueue;
|
|
|
|
mutable Barrier mReadyToRunBarrier;
|
|
|
|
|
|
|
|
// protected by mDestroyedLayerLock;
|
|
|
|
mutable Mutex mDestroyedLayerLock;
|
|
|
|
Vector<LayerBase const *> mDestroyedLayers;
|
|
|
|
|
|
|
|
/* ------------------------------------------------------------------------
|
|
|
|
* Feature prototyping
|
|
|
|
*/
|
|
|
|
|
2012-08-11 01:50:38 +00:00
|
|
|
sp<IBinder> mExtDisplayToken;
|
2009-03-04 03:31:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
|
|
|
|
#endif // ANDROID_SURFACE_FLINGER_H
|