blob: 3671a2bb321cba0488457412f1095a2318e2c4c3 [file] [log] [blame]
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08001/*
2 * Copyright (C) 2007 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#ifndef ANDROID_LAYER_H
18#define ANDROID_LAYER_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
Mathias Agopian13127d82013-03-05 17:47:11 -080023#include <utils/RefBase.h>
24#include <utils/String8.h>
25#include <utils/Timers.h>
26
Dan Stoza80d61162017-12-20 15:57:52 -080027#include <ui/FloatRect.h>
Svetoslavd85084b2014-03-20 10:28:31 -070028#include <ui/FrameStats.h>
Mathias Agopian13127d82013-03-05 17:47:11 -080029#include <ui/GraphicBuffer.h>
30#include <ui/PixelFormat.h>
31#include <ui/Region.h>
32
33#include <gui/ISurfaceComposerClient.h>
Robert Carr4cdc58f2017-08-23 14:22:20 -070034#include <gui/LayerState.h>
David Sodman0cc69182017-11-17 12:12:07 -080035#include <gui/BufferQueue.h>
Mathias Agopian13127d82013-03-05 17:47:11 -080036
Dan Stoza7dde5992015-05-22 09:51:44 -070037#include <list>
38
Mathias Agopian13127d82013-03-05 17:47:11 -080039#include "Client.h"
David Sodman41fdfc92017-11-06 16:09:56 -080040#include "FrameTracker.h"
Robert Carr1f0a16a2016-10-24 16:27:39 -070041#include "LayerVector.h"
Dan Stozab9b08832014-03-13 11:55:57 -070042#include "MonitoredProducer.h"
Mathias Agopian13127d82013-03-05 17:47:11 -080043#include "SurfaceFlinger.h"
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080044#include "Transform.h"
45
David Sodman41fdfc92017-11-06 16:09:56 -080046#include <layerproto/LayerProtoHeader.h>
Mathias Agopian13127d82013-03-05 17:47:11 -080047#include "DisplayHardware/HWComposer.h"
Chia-I Wuaaff73f2017-02-13 12:28:24 -080048#include "DisplayHardware/HWComposerBufferCache.h"
David Sodman41fdfc92017-11-06 16:09:56 -080049#include "RenderArea.h"
Mathias Agopian3f844832013-08-07 21:24:32 -070050#include "RenderEngine/Mesh.h"
Mathias Agopian49457ac2013-08-14 18:20:17 -070051#include "RenderEngine/Texture.h"
Mathias Agopian13127d82013-03-05 17:47:11 -080052
chaviw13fdc492017-06-27 12:40:18 -070053#include <math/vec4.h>
54
chaviw1d044282017-09-27 12:19:28 -070055using namespace android::surfaceflinger;
56
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080057namespace android {
58
59// ---------------------------------------------------------------------------
60
Mathias Agopian1f7bec62010-06-25 18:02:21 -070061class Client;
Mathias Agopian3e25fd82013-04-22 17:52:16 +020062class Colorizer;
Mathias Agopian13127d82013-03-05 17:47:11 -080063class DisplayDevice;
64class GraphicBuffer;
65class SurfaceFlinger;
Kalle Raitaa099a242017-01-11 11:17:29 -080066class LayerDebugInfo;
David Sodman9eeae692017-11-02 10:53:32 -070067class LayerBE;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080068
69// ---------------------------------------------------------------------------
70
David Sodman0cc69182017-11-17 12:12:07 -080071struct CompositionInfo {
72 HWC2::Composition compositionType;
73 sp<GraphicBuffer> mBuffer = nullptr;
74 int mBufferSlot = BufferQueue::INVALID_BUFFER_SLOT;
75 struct {
76 HWComposer* hwc;
77 sp<Fence> fence;
78 HWC2::BlendMode blendMode;
79 Rect displayFrame;
80 float alpha;
81 FloatRect sourceCrop;
82 HWC2::Transform transform;
83 int z;
84 int type;
85 int appId;
86 Region visibleRegion;
87 Region surfaceDamage;
88 sp<NativeHandle> sidebandStream;
89 android_dataspace dataspace;
90 hwc_color_t color;
91 } hwc;
92 struct {
Lloyd Pique144e1162017-12-20 16:44:52 -080093 RE::RenderEngine* renderEngine;
David Sodman0cc69182017-11-17 12:12:07 -080094 Mesh* mesh;
95 } renderEngine;
96};
97
David Sodman9eeae692017-11-02 10:53:32 -070098class LayerBE {
99public:
100 LayerBE();
101
102 // The mesh used to draw the layer in GLES composition mode
103 Mesh mMesh;
104
David Sodman6f65f3e2017-11-03 14:28:09 -0700105 // HWC items, accessed from the main thread
106 struct HWCInfo {
107 HWCInfo()
108 : hwc(nullptr),
109 layer(nullptr),
110 forceClientComposition(false),
111 compositionType(HWC2::Composition::Invalid),
112 clearClientTarget(false) {}
113
114 HWComposer* hwc;
115 HWC2::Layer* layer;
116 bool forceClientComposition;
117 HWC2::Composition compositionType;
118 bool clearClientTarget;
119 Rect displayFrame;
120 FloatRect sourceCrop;
121 HWComposerBufferCache bufferCache;
122 };
123
124 // A layer can be attached to multiple displays when operating in mirror mode
125 // (a.k.a: when several displays are attached with equal layerStack). In this
126 // case we need to keep track. In non-mirror mode, a layer will have only one
127 // HWCInfo. This map key is a display layerStack.
128 std::unordered_map<int32_t, HWCInfo> mHwcLayers;
David Sodman0cc69182017-11-17 12:12:07 -0800129
130 CompositionInfo compositionInfo;
David Sodman9eeae692017-11-02 10:53:32 -0700131};
132
David Sodman41fdfc92017-11-06 16:09:56 -0800133class Layer : public virtual RefBase {
Mathias Agopian13127d82013-03-05 17:47:11 -0800134 static int32_t sSequence;
135
Mathias Agopiand606de62010-05-10 20:06:11 -0700136public:
David Sodman9eeae692017-11-02 10:53:32 -0700137 LayerBE& getBE() { return mBE; }
138 LayerBE& getBE() const { return mBE; }
Mathias Agopian13127d82013-03-05 17:47:11 -0800139 mutable bool contentDirty;
140 // regions below are in window-manager space
141 Region visibleRegion;
142 Region coveredRegion;
143 Region visibleNonTransparentRegion;
Dan Stozaee44edd2015-03-23 15:50:23 -0700144 Region surfaceDamageRegion;
Andy McFadden4df87bd2014-04-21 18:08:54 -0700145
146 // Layer serial number. This gives layers an explicit ordering, so we
147 // have a stable sort order when their layer stack and Z-order are
148 // the same.
Mathias Agopian13127d82013-03-05 17:47:11 -0800149 int32_t sequence;
150
151 enum { // flags for doTransaction()
152 eDontUpdateGeometryState = 0x00000001,
153 eVisibleRegion = 0x00000002,
154 };
155
156 struct Geometry {
157 uint32_t w;
158 uint32_t h;
Robert Carr3dcabfa2016-03-01 18:36:58 -0800159 Transform transform;
160
David Sodman41fdfc92017-11-06 16:09:56 -0800161 inline bool operator==(const Geometry& rhs) const {
162 return (w == rhs.w && h == rhs.h) && (transform.tx() == rhs.transform.tx()) &&
Robert Carr99e27f02016-06-16 15:18:02 -0700163 (transform.ty() == rhs.transform.ty());
Mathias Agopian13127d82013-03-05 17:47:11 -0800164 }
David Sodman41fdfc92017-11-06 16:09:56 -0800165 inline bool operator!=(const Geometry& rhs) const { return !operator==(rhs); }
Mathias Agopian13127d82013-03-05 17:47:11 -0800166 };
167
168 struct State {
169 Geometry active;
170 Geometry requested;
Robert Carrae060832016-11-28 10:51:00 -0800171 int32_t z;
Fabien Sanglardf0c53d62017-03-03 18:58:50 -0800172
173 // The identifier of the layer stack this layer belongs to. A layer can
174 // only be associated to a single layer stack. A layer stack is a
175 // z-ordered group of layers which can be associated to one or more
176 // displays. Using the same layer stack on different displays is a way
177 // to achieve mirroring.
Mathias Agopian13127d82013-03-05 17:47:11 -0800178 uint32_t layerStack;
Fabien Sanglardf0c53d62017-03-03 18:58:50 -0800179
Mathias Agopian13127d82013-03-05 17:47:11 -0800180 uint8_t flags;
Dan Stoza7dde5992015-05-22 09:51:44 -0700181 uint8_t mask;
Mathias Agopian13127d82013-03-05 17:47:11 -0800182 uint8_t reserved[2];
183 int32_t sequence; // changes when visible regions can change
Dan Stoza7dde5992015-05-22 09:51:44 -0700184 bool modified;
185
Fabien Sanglard4ed383c2016-12-13 14:02:41 -0800186 // Crop is expressed in layer space coordinate.
Robert Carrb5d3d262016-03-25 15:08:13 -0700187 Rect crop;
Robert Carr99e27f02016-06-16 15:18:02 -0700188 Rect requestedCrop;
189
Fabien Sanglard4ed383c2016-12-13 14:02:41 -0800190 // finalCrop is expressed in display space coordinate.
Robert Carrb5d3d262016-03-25 15:08:13 -0700191 Rect finalCrop;
Robert Carr8d5227b2017-03-16 15:41:03 -0700192 Rect requestedFinalCrop;
Robert Carrb5d3d262016-03-25 15:08:13 -0700193
Robert Carr0d480722017-01-10 16:42:54 -0800194 // If set, defers this state update until the identified Layer
Dan Stoza7dde5992015-05-22 09:51:44 -0700195 // receives a frame with the given frameNumber
Robert Carr0d480722017-01-10 16:42:54 -0800196 wp<Layer> barrierLayer;
Dan Stoza7dde5992015-05-22 09:51:44 -0700197 uint64_t frameNumber;
198
Mathias Agopian2ca79392013-04-02 18:30:32 -0700199 // the transparentRegion hint is a bit special, it's latched only
200 // when we receive a buffer -- this is because it's "content"
201 // dependent.
202 Region activeTransparentRegion;
203 Region requestedTransparentRegion;
Courtney Goeltzenleuchterbb09b432016-11-30 13:51:28 -0700204 android_dataspace dataSpace;
Daniel Nicoara2f5f8a52016-12-20 16:11:58 -0500205
206 uint32_t appId;
207 uint32_t type;
Robert Carrdb66e622017-04-10 16:55:57 -0700208
209 // If non-null, a Surface this Surface's Z-order is interpreted relative to.
210 wp<Layer> zOrderRelativeOf;
211
212 // A list of surfaces whose Z-order is interpreted relative to ours.
213 SortedVector<wp<Layer>> zOrderRelatives;
chaviw13fdc492017-06-27 12:40:18 -0700214
215 half4 color;
Mathias Agopian13127d82013-03-05 17:47:11 -0800216 };
217
David Sodman41fdfc92017-11-06 16:09:56 -0800218 Layer(SurfaceFlinger* flinger, const sp<Client>& client, const String8& name, uint32_t w,
219 uint32_t h, uint32_t flags);
Mathias Agopianb7e930d2010-06-01 15:12:58 -0700220 virtual ~Layer();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800221
Chia-I Wuab0c3192017-08-01 11:29:00 -0700222 void setPrimaryDisplayOnly() { mPrimaryDisplayOnly = true; }
223
Robert Carr7bf247e2017-05-18 14:02:49 -0700224 // ------------------------------------------------------------------------
225 // Geometry setting functions.
226 //
227 // The following group of functions are used to specify the layers
228 // bounds, and the mapping of the texture on to those bounds. According
229 // to various settings changes to them may apply immediately, or be delayed until
230 // a pending resize is completed by the producer submitting a buffer. For example
231 // if we were to change the buffer size, and update the matrix ahead of the
232 // new buffer arriving, then we would be stretching the buffer to a different
233 // aspect before and after the buffer arriving, which probably isn't what we wanted.
234 //
235 // The first set of geometry functions are controlled by the scaling mode, described
236 // in window.h. The scaling mode may be set by the client, as it submits buffers.
237 // This value may be overriden through SurfaceControl, with setOverrideScalingMode.
238 //
239 // Put simply, if our scaling mode is SCALING_MODE_FREEZE, then
240 // matrix updates will not be applied while a resize is pending
241 // and the size and transform will remain in their previous state
242 // until a new buffer is submitted. If the scaling mode is another value
243 // then the old-buffer will immediately be scaled to the pending size
244 // and the new matrix will be immediately applied following this scaling
245 // transformation.
Robert Carr8d5227b2017-03-16 15:41:03 -0700246
Robert Carr7bf247e2017-05-18 14:02:49 -0700247 // Set the default buffer size for the assosciated Producer, in pixels. This is
248 // also the rendered size of the layer prior to any transformations. Parent
249 // or local matrix transformations will not affect the size of the buffer,
250 // but may affect it's on-screen size or clipping.
251 bool setSize(uint32_t w, uint32_t h);
252 // Set a 2x2 transformation matrix on the layer. This transform
253 // will be applied after parent transforms, but before any final
254 // producer specified transform.
255 bool setMatrix(const layer_state_t::matrix22_t& matrix);
256
257 // This second set of geometry attributes are controlled by
258 // setGeometryAppliesWithResize, and their default mode is to be
259 // immediate. If setGeometryAppliesWithResize is specified
260 // while a resize is pending, then update of these attributes will
261 // be delayed until the resize completes.
262
263 // setPosition operates in parent buffer space (pre parent-transform) or display
264 // space for top-level layers.
Robert Carr82364e32016-05-15 11:27:47 -0700265 bool setPosition(float x, float y, bool immediate);
Robert Carr7bf247e2017-05-18 14:02:49 -0700266 // Buffer space
Robert Carr8d5227b2017-03-16 15:41:03 -0700267 bool setCrop(const Rect& crop, bool immediate);
Robert Carr7bf247e2017-05-18 14:02:49 -0700268 // Parent buffer space/display space
Robert Carr8d5227b2017-03-16 15:41:03 -0700269 bool setFinalCrop(const Rect& crop, bool immediate);
270
Robert Carr7bf247e2017-05-18 14:02:49 -0700271 // TODO(b/38182121): Could we eliminate the various latching modes by
272 // using the layer hierarchy?
273 // -----------------------------------------------------------------------
Robert Carrae060832016-11-28 10:51:00 -0800274 bool setLayer(int32_t z);
Robert Carrdb66e622017-04-10 16:55:57 -0700275 bool setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relativeZ);
276
Dan Stoza9e56aa02015-11-02 13:00:03 -0800277 bool setAlpha(float alpha);
chaviw13fdc492017-06-27 12:40:18 -0700278 bool setColor(const half3& color);
Mathias Agopian13127d82013-03-05 17:47:11 -0800279 bool setTransparentRegionHint(const Region& transparent);
280 bool setFlags(uint8_t flags, uint8_t mask);
Mathias Agopian13127d82013-03-05 17:47:11 -0800281 bool setLayerStack(uint32_t layerStack);
Courtney Goeltzenleuchterbb09b432016-11-30 13:51:28 -0700282 bool setDataSpace(android_dataspace dataSpace);
Courtney Goeltzenleuchter532b2632017-05-05 16:34:38 -0600283 android_dataspace getDataSpace() const;
Robert Carr1f0a16a2016-10-24 16:27:39 -0700284 uint32_t getLayerStack() const;
Robert Carr0d480722017-01-10 16:42:54 -0800285 void deferTransactionUntil(const sp<IBinder>& barrierHandle, uint64_t frameNumber);
286 void deferTransactionUntil(const sp<Layer>& barrierLayer, uint64_t frameNumber);
Robert Carrc3574f72016-03-24 12:19:32 -0700287 bool setOverrideScalingMode(int32_t overrideScalingMode);
Daniel Nicoara2f5f8a52016-12-20 16:11:58 -0500288 void setInfo(uint32_t type, uint32_t appId);
Robert Carr1db73f62016-12-21 12:58:51 -0800289 bool reparentChildren(const sp<IBinder>& layer);
chaviwf1961f72017-09-18 16:41:07 -0700290 bool reparent(const sp<IBinder>& newParentHandle);
Robert Carr9524cb32017-02-13 11:32:32 -0800291 bool detachChildren();
Mathias Agopian13127d82013-03-05 17:47:11 -0800292
Dan Stozaee44edd2015-03-23 15:50:23 -0700293 // If we have received a new buffer this frame, we will pass its surface
294 // damage down to hardware composer. Otherwise, we must send a region with
295 // one empty rect.
David Sodmaneb085e02017-10-05 18:49:04 -0700296 virtual void useSurfaceDamage() = 0;
297 virtual void useEmptyDamage() = 0;
Dan Stozaee44edd2015-03-23 15:50:23 -0700298
Mathias Agopian13127d82013-03-05 17:47:11 -0800299 uint32_t getTransactionFlags(uint32_t flags);
300 uint32_t setTransactionFlags(uint32_t flags);
301
Chia-I Wuab0c3192017-08-01 11:29:00 -0700302 bool belongsToDisplay(uint32_t layerStack, bool isPrimaryDisplay) const {
303 return getLayerStack() == layerStack && (!mPrimaryDisplayOnly || isPrimaryDisplay);
304 }
305
chaviwa76b2712017-09-20 12:02:26 -0700306 void computeGeometry(const RenderArea& renderArea, Mesh& mesh, bool useIdentityTransform) const;
Dan Stoza80d61162017-12-20 15:57:52 -0800307 FloatRect computeBounds(const Region& activeTransparentRegion) const;
308 FloatRect computeBounds() const;
Mathias Agopian13127d82013-03-05 17:47:11 -0800309
Pablo Ceballos40845df2016-01-25 17:41:15 -0800310 int32_t getSequence() const { return sequence; }
311
Mathias Agopian13127d82013-03-05 17:47:11 -0800312 // -----------------------------------------------------------------------
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700313 // Virtuals
David Sodman0c69cad2017-08-21 12:12:51 -0700314 virtual const char* getTypeId() const = 0;
Mathias Agopian13127d82013-03-05 17:47:11 -0800315
Mathias Agopian13127d82013-03-05 17:47:11 -0800316 /*
317 * isOpaque - true if this surface is opaque
Andy McFadden4125a4f2014-01-29 17:17:11 -0800318 *
319 * This takes into account the buffer format (i.e. whether or not the
320 * pixel format includes an alpha channel) and the "opaque" flag set
321 * on the layer. It does not examine the current plane alpha value.
Mathias Agopian13127d82013-03-05 17:47:11 -0800322 */
David Sodman0c69cad2017-08-21 12:12:51 -0700323 virtual bool isOpaque(const Layer::State& s) const = 0;
Mathias Agopian13127d82013-03-05 17:47:11 -0800324
325 /*
326 * isSecure - true if this surface is secure, that is if it prevents
327 * screenshots or VNC servers.
328 */
David Sodman0c69cad2017-08-21 12:12:51 -0700329 bool isSecure() const;
Mathias Agopian13127d82013-03-05 17:47:11 -0800330
331 /*
332 * isVisible - true if this layer is visible, false otherwise
333 */
David Sodman0c69cad2017-08-21 12:12:51 -0700334 virtual bool isVisible() const = 0;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800335
Mathias Agopian13127d82013-03-05 17:47:11 -0800336 /*
Robert Carr1f0a16a2016-10-24 16:27:39 -0700337 * isHiddenByPolicy - true if this layer has been forced invisible.
338 * just because this is false, doesn't mean isVisible() is true.
339 * For example if this layer has no active buffer, it may not be hidden by
340 * policy, but it still can not be visible.
341 */
David Sodman0c69cad2017-08-21 12:12:51 -0700342 bool isHiddenByPolicy() const;
Robert Carr1f0a16a2016-10-24 16:27:39 -0700343
344 /*
Mathias Agopian13127d82013-03-05 17:47:11 -0800345 * isFixedSize - true if content has a fixed size
346 */
David Sodman0c69cad2017-08-21 12:12:51 -0700347 virtual bool isFixedSize() const = 0;
Jamie Gennis582270d2011-08-17 18:19:00 -0700348
chaviw8b3871a2017-11-01 17:41:01 -0700349 bool isPendingRemoval() const { return mPendingRemoval; }
350
David Sodman41fdfc92017-11-06 16:09:56 -0800351 void writeToProto(LayerProto* layerInfo,
352 LayerVector::StateSet stateSet = LayerVector::StateSet::Drawing);
chaviw1d044282017-09-27 12:19:28 -0700353
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700354protected:
355 /*
356 * onDraw - draws the surface.
357 */
chaviwa76b2712017-09-20 12:02:26 -0700358 virtual void onDraw(const RenderArea& renderArea, const Region& clip,
David Sodman0c69cad2017-08-21 12:12:51 -0700359 bool useIdentityTransform) const = 0;
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700360
361public:
David Sodmaneb085e02017-10-05 18:49:04 -0700362 virtual void setDefaultBufferSize(uint32_t w, uint32_t h) = 0;
363
Robert Carrae060832016-11-28 10:51:00 -0800364 void setGeometry(const sp<const DisplayDevice>& displayDevice, uint32_t z);
Dan Stoza9e56aa02015-11-02 13:00:03 -0800365 void forceClientComposition(int32_t hwcId);
chaviwc9232ed2017-11-14 15:31:15 -0800366 bool getForceClientComposition(int32_t hwcId);
David Sodmaneb085e02017-10-05 18:49:04 -0700367 virtual void setPerFrameData(const sp<const DisplayDevice>& displayDevice) = 0;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800368
369 // callIntoHwc exists so we can update our local state and call
370 // acceptDisplayChanges without unnecessarily updating the device's state
David Sodman0c69cad2017-08-21 12:12:51 -0700371 void setCompositionType(int32_t hwcId, HWC2::Composition type, bool callIntoHwc = true);
Dan Stoza9e56aa02015-11-02 13:00:03 -0800372 HWC2::Composition getCompositionType(int32_t hwcId) const;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800373 void setClearClientTarget(int32_t hwcId, bool clear);
374 bool getClearClientTarget(int32_t hwcId) const;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800375 void updateCursorPosition(const sp<const DisplayDevice>& hw);
Riley Andrews03414a12014-07-01 14:22:59 -0700376
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700377 /*
378 * called after page-flip
379 */
David Sodmaneb085e02017-10-05 18:49:04 -0700380 virtual void onLayerDisplayed(const sp<Fence>& releaseFence);
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700381
David Sodmaneb085e02017-10-05 18:49:04 -0700382 virtual void abandon() = 0;
383
384 virtual bool shouldPresentNow(const DispSync& dispSync) const = 0;
385 virtual void setTransformHint(uint32_t orientation) const = 0;
Dan Stoza6b9454d2014-11-07 16:00:59 -0800386
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700387 /*
388 * called before composition.
389 * returns true if the layer has pending updates.
390 */
David Sodman0c69cad2017-08-21 12:12:51 -0700391 virtual bool onPreComposition(nsecs_t refreshStartTime) = 0;
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700392
393 /*
Dan Stozae77c7662016-05-13 11:37:28 -0700394 * called after composition.
395 * returns true if the layer latched a new buffer this frame.
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700396 */
David Sodmaneb085e02017-10-05 18:49:04 -0700397 virtual bool onPostComposition(const std::shared_ptr<FenceTime>& glDoneFence,
398 const std::shared_ptr<FenceTime>& presentFence,
399 const CompositorTiming& compositorTiming) = 0;
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700400
Dan Stoza9e56aa02015-11-02 13:00:03 -0800401 // If a buffer was replaced this frame, release the former buffer
David Sodman0c69cad2017-08-21 12:12:51 -0700402 virtual void releasePendingBuffer(nsecs_t dequeueReadyTime) = 0;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800403
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700404 /*
405 * draw - performs some global clipping optimizations
406 * and calls onDraw().
407 */
chaviwa76b2712017-09-20 12:02:26 -0700408 void draw(const RenderArea& renderArea, const Region& clip) const;
409 void draw(const RenderArea& renderArea, bool useIdentityTransform) const;
410 void draw(const RenderArea& renderArea) const;
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700411
412 /*
413 * doTransaction - process the transaction. This is a good place to figure
414 * out which attributes of the surface have changed.
415 */
416 uint32_t doTransaction(uint32_t transactionFlags);
417
418 /*
419 * setVisibleRegion - called to set the new visible region. This gives
420 * a chance to update the new visible region or record the fact it changed.
421 */
422 void setVisibleRegion(const Region& visibleRegion);
423
424 /*
425 * setCoveredRegion - called when the covered region changes. The covered
426 * region corresponds to any area of the surface that is covered
427 * (transparently or not) by another surface.
428 */
429 void setCoveredRegion(const Region& coveredRegion);
430
431 /*
432 * setVisibleNonTransparentRegion - called when the visible and
433 * non-transparent region changes.
434 */
David Sodman41fdfc92017-11-06 16:09:56 -0800435 void setVisibleNonTransparentRegion(const Region& visibleNonTransparentRegion);
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700436
437 /*
Robert Carre5f4f692018-01-12 13:12:28 -0800438 * Clear the visible, covered, and non-transparent regions.
439 */
440 void clearVisibilityRegions();
441
442 /*
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700443 * latchBuffer - called each time the screen is redrawn and returns whether
444 * the visible regions need to be recomputed (this is a fairly heavy
445 * operation, so this should be set only if needed). Typically this is used
446 * to figure out if the content or size of a surface has changed.
447 */
David Sodman0c69cad2017-08-21 12:12:51 -0700448 virtual Region latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime) = 0;
449 virtual bool isBufferLatched() const = 0;
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700450
David Sodman0c69cad2017-08-21 12:12:51 -0700451 bool isPotentialCursor() const { return mPotentialCursor; }
Mathias Agopian13127d82013-03-05 17:47:11 -0800452 /*
Chia-I Wuc6657022017-08-15 11:18:17 -0700453 * called with the state lock from a binder thread when the layer is
454 * removed from the current list to the pending removal list
455 */
456 void onRemovedFromCurrentState();
457
458 /*
459 * called with the state lock from the main thread when the layer is
460 * removed from the pending removal list
Mathias Agopian13127d82013-03-05 17:47:11 -0800461 */
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700462 void onRemoved();
Mathias Agopian13127d82013-03-05 17:47:11 -0800463
Andy McFaddenbf974ab2012-12-04 16:51:15 -0800464 // Updates the transform hint in our SurfaceFlingerConsumer to match
Mathias Agopian84300952012-11-21 16:02:13 -0800465 // the current orientation of the display device.
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700466 void updateTransformHint(const sp<const DisplayDevice>& hw) const;
Andy McFadden69052052012-09-14 16:10:11 -0700467
Mathias Agopian13127d82013-03-05 17:47:11 -0800468 /*
469 * returns the rectangle that crops the content of the layer and scales it
470 * to the layer's size.
471 */
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700472 Rect getContentCrop() const;
Mathias Agopian13127d82013-03-05 17:47:11 -0800473
Eric Penner51c59cd2014-07-28 19:51:58 -0700474 /*
475 * Returns if a frame is queued.
476 */
David Sodman41fdfc92017-11-06 16:09:56 -0800477 bool hasQueuedFrame() const {
478 return mQueuedFrames > 0 || mSidebandStreamChanged || mAutoRefresh;
479 }
Eric Penner51c59cd2014-07-28 19:51:58 -0700480
Kalle Raitaa099a242017-01-11 11:17:29 -0800481 int32_t getQueuedFrameCount() const { return mQueuedFrames; }
482
Dan Stoza9e56aa02015-11-02 13:00:03 -0800483 // -----------------------------------------------------------------------
484
Steven Thomasb02664d2017-07-26 18:48:28 -0700485 bool createHwcLayer(HWComposer* hwc, int32_t hwcId);
Chia-I Wu83806892017-11-16 10:50:20 -0800486 bool destroyHwcLayer(int32_t hwcId);
Steven Thomasb02664d2017-07-26 18:48:28 -0700487 void destroyAllHwcLayers();
488
David Sodman6f65f3e2017-11-03 14:28:09 -0700489 bool hasHwcLayer(int32_t hwcId) {
490 return getBE().mHwcLayers.count(hwcId) > 0;
491 }
Dan Stoza9e56aa02015-11-02 13:00:03 -0800492
Steven Thomasb02664d2017-07-26 18:48:28 -0700493 HWC2::Layer* getHwcLayer(int32_t hwcId) {
David Sodman6f65f3e2017-11-03 14:28:09 -0700494 if (getBE().mHwcLayers.count(hwcId) == 0) {
Dan Stoza9e56aa02015-11-02 13:00:03 -0800495 return nullptr;
496 }
David Sodman6f65f3e2017-11-03 14:28:09 -0700497 return getBE().mHwcLayers[hwcId].layer;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800498 }
499
Mathias Agopian13127d82013-03-05 17:47:11 -0800500 // -----------------------------------------------------------------------
501
chaviwa76b2712017-09-20 12:02:26 -0700502 void clearWithOpenGL(const RenderArea& renderArea) const;
Mathias Agopian13127d82013-03-05 17:47:11 -0800503 void setFiltering(bool filtering);
504 bool getFiltering() const;
505
Mathias Agopian13127d82013-03-05 17:47:11 -0800506
David Sodman41fdfc92017-11-06 16:09:56 -0800507 inline const State& getDrawingState() const { return mDrawingState; }
508 inline const State& getCurrentState() const { return mCurrentState; }
509 inline State& getCurrentState() { return mCurrentState; }
Mathias Agopian13127d82013-03-05 17:47:11 -0800510
Kalle Raitaa099a242017-01-11 11:17:29 -0800511 LayerDebugInfo getLayerDebugInfo() const;
Mathias Agopian13127d82013-03-05 17:47:11 -0800512
513 /* always call base class first */
Dan Stozae22aec72016-08-01 13:20:59 -0700514 static void miniDumpHeader(String8& result);
515 void miniDump(String8& result, int32_t hwcId) const;
Svetoslavd85084b2014-03-20 10:28:31 -0700516 void dumpFrameStats(String8& result) const;
Brian Andersond6927fb2016-07-23 23:37:30 -0700517 void dumpFrameEvents(String8& result);
Svetoslavd85084b2014-03-20 10:28:31 -0700518 void clearFrameStats();
Jamie Gennis6547ff42013-07-16 20:12:42 -0700519 void logFrameStats();
Svetoslavd85084b2014-03-20 10:28:31 -0700520 void getFrameStats(FrameStats* outStats) const;
Mathias Agopian1b5e1022010-04-20 17:55:49 -0700521
David Sodmaneb085e02017-10-05 18:49:04 -0700522 virtual std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool forceFlush) = 0;
Dan Stozae77c7662016-05-13 11:37:28 -0700523
Brian Anderson5ea5e592016-12-01 16:54:33 -0800524 void onDisconnect();
Brian Anderson3890c392016-07-25 12:48:08 -0700525 void addAndGetFrameTimestamps(const NewFrameEventsEntry* newEntry,
David Sodman41fdfc92017-11-06 16:09:56 -0800526 FrameEventHistoryDelta* outDelta);
Pablo Ceballosce796e72016-02-04 19:10:51 -0800527
David Sodmaneb085e02017-10-05 18:49:04 -0700528 virtual bool getTransformToDisplayInverse() const = 0;
Robert Carr367c5682016-06-20 11:55:28 -0700529
Robert Carr1f0a16a2016-10-24 16:27:39 -0700530 Transform getTransform() const;
531
Robert Carr6452f122017-03-21 10:41:29 -0700532 // Returns the Alpha of the Surface, accounting for the Alpha
533 // of parent Surfaces in the hierarchy (alpha's will be multiplied
534 // down the hierarchy).
chaviw13fdc492017-06-27 12:40:18 -0700535 half getAlpha() const;
536 half4 getColor() const;
Robert Carr6452f122017-03-21 10:41:29 -0700537
Dan Stoza412903f2017-04-27 13:42:17 -0700538 void traverseInReverseZOrder(LayerVector::StateSet stateSet,
539 const LayerVector::Visitor& visitor);
540 void traverseInZOrder(LayerVector::StateSet stateSet, const LayerVector::Visitor& visitor);
Robert Carr1f0a16a2016-10-24 16:27:39 -0700541
chaviwa76b2712017-09-20 12:02:26 -0700542 void traverseChildrenInZOrder(LayerVector::StateSet stateSet,
543 const LayerVector::Visitor& visitor);
544
Chia-I Wu98f1c102017-05-30 14:54:08 -0700545 size_t getChildrenCount() const;
Robert Carr1f0a16a2016-10-24 16:27:39 -0700546 void addChild(const sp<Layer>& layer);
547 // Returns index if removed, or negative value otherwise
548 // for symmetry with Vector::remove
549 ssize_t removeChild(const sp<Layer>& layer);
Chia-I Wue41dbe62017-06-13 14:10:56 -0700550 sp<Layer> getParent() const { return mCurrentParent.promote(); }
Robert Carr1f0a16a2016-10-24 16:27:39 -0700551 bool hasParent() const { return getParent() != nullptr; }
Robert Carr1f0a16a2016-10-24 16:27:39 -0700552 Rect computeScreenBounds(bool reduceTransparentRegion = true) const;
553 bool setChildLayer(const sp<Layer>& childLayer, int32_t z);
Robert Carr503c7042017-09-27 15:06:08 -0700554 bool setChildRelativeLayer(const sp<Layer>& childLayer,
555 const sp<IBinder>& relativeToHandle, int32_t relativeZ);
Robert Carr1f0a16a2016-10-24 16:27:39 -0700556
557 // Copy the current list of children to the drawing state. Called by
558 // SurfaceFlinger to complete a transaction.
559 void commitChildList();
Robert Carr1f0a16a2016-10-24 16:27:39 -0700560 int32_t getZ() const;
David Sodman41fdfc92017-11-06 16:09:56 -0800561
Mathias Agopian13127d82013-03-05 17:47:11 -0800562protected:
563 // constant
564 sp<SurfaceFlinger> mFlinger;
Mathias Agopian13127d82013-03-05 17:47:11 -0800565 /*
566 * Trivial class, used to ensure that mFlinger->onLayerDestroyed(mLayer)
567 * is called.
568 */
569 class LayerCleaner {
570 sp<SurfaceFlinger> mFlinger;
571 wp<Layer> mLayer;
David Sodman41fdfc92017-11-06 16:09:56 -0800572
Mathias Agopian13127d82013-03-05 17:47:11 -0800573 protected:
Irvel468051e2016-06-13 16:44:44 -0700574 ~LayerCleaner() {
575 // destroy client resources
576 mFlinger->onLayerDestroyed(mLayer);
577 }
David Sodman41fdfc92017-11-06 16:09:56 -0800578
Mathias Agopian13127d82013-03-05 17:47:11 -0800579 public:
David Sodman41fdfc92017-11-06 16:09:56 -0800580 LayerCleaner(const sp<SurfaceFlinger>& flinger, const sp<Layer>& layer)
581 : mFlinger(flinger), mLayer(layer) {}
Mathias Agopian13127d82013-03-05 17:47:11 -0800582 };
583
Irvel468051e2016-06-13 16:44:44 -0700584 virtual void onFirstRef();
585
Irvel468051e2016-06-13 16:44:44 -0700586 friend class SurfaceInterceptor;
David Sodmaneb085e02017-10-05 18:49:04 -0700587
Pablo Ceballos05289c22016-04-14 15:49:55 -0700588 void commitTransaction(const State& stateToCommit);
Mathias Agopian1eae0ee2013-06-05 16:59:15 -0700589
Mathias Agopian3330b202009-10-05 17:07:12 -0700590 uint32_t getEffectiveUsage(uint32_t usage) const;
Robert Carr1f0a16a2016-10-24 16:27:39 -0700591
Dan Stoza5a423ea2017-02-16 14:10:39 -0800592 FloatRect computeCrop(const sp<const DisplayDevice>& hw) const;
David Sodman0c69cad2017-08-21 12:12:51 -0700593 // Compute the initial crop as specified by parent layers and the
594 // SurfaceControl for this layer. Does not include buffer crop from the
595 // IGraphicBufferProducer client, as that should not affect child clipping.
596 // Returns in screen space.
Robert Carr1f0a16a2016-10-24 16:27:39 -0700597 Rect computeInitialCrop(const sp<const DisplayDevice>& hw) const;
Mathias Agopian0aa758d2009-04-22 15:23:34 -0700598
Mathias Agopian13127d82013-03-05 17:47:11 -0800599 // drawing
David Sodman41fdfc92017-11-06 16:09:56 -0800600 void clearWithOpenGL(const RenderArea& renderArea, float r, float g, float b,
601 float alpha) const;
Dan Stozac5da2712016-07-20 15:38:12 -0700602
Robert Carr1f0a16a2016-10-24 16:27:39 -0700603 void setParent(const sp<Layer>& layer);
604
Robert Carr29abff82017-12-04 13:51:20 -0800605 LayerVector makeTraversalList(LayerVector::StateSet stateSet, bool* outSkipRelativeZUsers);
Robert Carrdb66e622017-04-10 16:55:57 -0700606 void addZOrderRelative(const wp<Layer>& relative);
607 void removeZOrderRelative(const wp<Layer>& relative);
608
David Sodman41fdfc92017-11-06 16:09:56 -0800609 class SyncPoint {
Dan Stoza7dde5992015-05-22 09:51:44 -0700610 public:
David Sodman41fdfc92017-11-06 16:09:56 -0800611 explicit SyncPoint(uint64_t frameNumber)
612 : mFrameNumber(frameNumber), mFrameIsAvailable(false), mTransactionIsApplied(false) {}
Dan Stoza7dde5992015-05-22 09:51:44 -0700613
David Sodman41fdfc92017-11-06 16:09:56 -0800614 uint64_t getFrameNumber() const { return mFrameNumber; }
Dan Stoza7dde5992015-05-22 09:51:44 -0700615
David Sodman41fdfc92017-11-06 16:09:56 -0800616 bool frameIsAvailable() const { return mFrameIsAvailable; }
Dan Stoza7dde5992015-05-22 09:51:44 -0700617
David Sodman41fdfc92017-11-06 16:09:56 -0800618 void setFrameAvailable() { mFrameIsAvailable = true; }
Dan Stoza7dde5992015-05-22 09:51:44 -0700619
David Sodman41fdfc92017-11-06 16:09:56 -0800620 bool transactionIsApplied() const { return mTransactionIsApplied; }
Dan Stoza7dde5992015-05-22 09:51:44 -0700621
David Sodman41fdfc92017-11-06 16:09:56 -0800622 void setTransactionApplied() { mTransactionIsApplied = true; }
Dan Stoza7dde5992015-05-22 09:51:44 -0700623
624 private:
625 const uint64_t mFrameNumber;
626 std::atomic<bool> mFrameIsAvailable;
627 std::atomic<bool> mTransactionIsApplied;
628 };
629
Dan Stozacac35382016-01-27 12:21:06 -0800630 // SyncPoints which will be signaled when the correct frame is at the head
631 // of the queue and dropped after the frame has been latched. Protected by
632 // mLocalSyncPointMutex.
633 Mutex mLocalSyncPointMutex;
Dan Stoza7dde5992015-05-22 09:51:44 -0700634 std::list<std::shared_ptr<SyncPoint>> mLocalSyncPoints;
635
Dan Stozacac35382016-01-27 12:21:06 -0800636 // SyncPoints which will be signaled and then dropped when the transaction
637 // is applied
Dan Stoza7dde5992015-05-22 09:51:44 -0700638 std::list<std::shared_ptr<SyncPoint>> mRemoteSyncPoints;
639
Dan Stozacac35382016-01-27 12:21:06 -0800640 // Returns false if the relevant frame has already been latched
641 bool addSyncPoint(const std::shared_ptr<SyncPoint>& point);
Dan Stoza7dde5992015-05-22 09:51:44 -0700642
643 void pushPendingState();
Pablo Ceballos05289c22016-04-14 15:49:55 -0700644 void popPendingState(State* stateToCommit);
645 bool applyPendingStates(State* stateToCommit);
Robert Carrc3574f72016-03-24 12:19:32 -0700646
Robert Carr1f0a16a2016-10-24 16:27:39 -0700647 void clearSyncPoints();
648
Robert Carrc3574f72016-03-24 12:19:32 -0700649 // Returns mCurrentScaling mode (originating from the
650 // Client) or mOverrideScalingMode mode (originating from
651 // the Surface Controller) if set.
David Sodman0c69cad2017-08-21 12:12:51 -0700652 virtual uint32_t getEffectiveScalingMode() const = 0;
David Sodman41fdfc92017-11-06 16:09:56 -0800653
Dan Stoza7dde5992015-05-22 09:51:44 -0700654public:
Irvel468051e2016-06-13 16:44:44 -0700655 /*
656 * The layer handle is just a BBinder object passed to the client
657 * (remote process) -- we don't keep any reference on our side such that
658 * the dtor is called when the remote side let go of its reference.
659 *
660 * LayerCleaner ensures that mFlinger->onLayerDestroyed() is called for
661 * this layer when the handle is destroyed.
662 */
663 class Handle : public BBinder, public LayerCleaner {
David Sodman41fdfc92017-11-06 16:09:56 -0800664 public:
665 Handle(const sp<SurfaceFlinger>& flinger, const sp<Layer>& layer)
666 : LayerCleaner(flinger, layer), owner(layer) {}
Irvel468051e2016-06-13 16:44:44 -0700667
David Sodman41fdfc92017-11-06 16:09:56 -0800668 wp<Layer> owner;
Irvel468051e2016-06-13 16:44:44 -0700669 };
670
671 sp<IBinder> getHandle();
Irvel468051e2016-06-13 16:44:44 -0700672 const String8& getName() const;
David Sodman0c69cad2017-08-21 12:12:51 -0700673 virtual void notifyAvailableFrames() = 0;
674 virtual PixelFormat getPixelFormat() const = 0;
chaviw13fdc492017-06-27 12:40:18 -0700675 bool getPremultipledAlpha() const;
Igor Murashkina4a31492012-10-29 13:36:11 -0700676
David Sodman41fdfc92017-11-06 16:09:56 -0800677protected:
Mathias Agopianb7e930d2010-06-01 15:12:58 -0700678 // -----------------------------------------------------------------------
Robert Carr29abff82017-12-04 13:51:20 -0800679 bool usingRelativeZ(LayerVector::StateSet stateSet);
Mathias Agopianb7e930d2010-06-01 15:12:58 -0700680
Mathias Agopian13127d82013-03-05 17:47:11 -0800681 bool mPremultipliedAlpha;
682 String8 mName;
David Sodman41fdfc92017-11-06 16:09:56 -0800683 String8 mTransactionName; // A cached version of "TX - " + mName for systraces
Mathias Agopian13127d82013-03-05 17:47:11 -0800684
Chia-I Wuab0c3192017-08-01 11:29:00 -0700685 bool mPrimaryDisplayOnly = false;
686
Mathias Agopian13127d82013-03-05 17:47:11 -0800687 // these are protected by an external lock
688 State mCurrentState;
689 State mDrawingState;
690 volatile int32_t mTransactionFlags;
Mathias Agopiand606de62010-05-10 20:06:11 -0700691
Dan Stoza7dde5992015-05-22 09:51:44 -0700692 // Accessed from main thread and binder threads
693 Mutex mPendingStateMutex;
694 Vector<State> mPendingStates;
695
Mathias Agopianb7e930d2010-06-01 15:12:58 -0700696 // thread-safe
Mathias Agopiana67932f2011-04-20 14:20:59 -0700697 volatile int32_t mQueuedFrames;
David Sodman41fdfc92017-11-06 16:09:56 -0800698 volatile int32_t mSidebandStreamChanged; // used like an atomic boolean
Brian Andersond6927fb2016-07-23 23:37:30 -0700699
700 // Timestamp history for UIAutomation. Thread safe.
Jamie Gennis4b0eba92013-02-05 13:30:24 -0800701 FrameTracker mFrameTracker;
Mathias Agopiana67932f2011-04-20 14:20:59 -0700702
Brian Andersond6927fb2016-07-23 23:37:30 -0700703 // Timestamp history for the consumer to query.
704 // Accessed by both consumer and producer on main and binder threads.
705 Mutex mFrameEventHistoryMutex;
Brian Anderson3890c392016-07-25 12:48:08 -0700706 ConsumerFrameEventHistory mFrameEventHistory;
Brian Anderson3d4039d2016-09-23 16:31:30 -0700707 FenceTimeline mAcquireTimeline;
708 FenceTimeline mReleaseTimeline;
Brian Andersond6927fb2016-07-23 23:37:30 -0700709
Mathias Agopiana67932f2011-04-20 14:20:59 -0700710 // main thread
Mathias Agopiana9347642017-02-13 16:42:28 -0800711 int mActiveBufferSlot;
Mathias Agopiana67932f2011-04-20 14:20:59 -0700712 sp<GraphicBuffer> mActiveBuffer;
Jesse Hall399184a2014-03-03 15:42:54 -0800713 sp<NativeHandle> mSidebandStream;
Mathias Agopiana67932f2011-04-20 14:20:59 -0700714 Rect mCurrentCrop;
715 uint32_t mCurrentTransform;
Robert Carrc3574f72016-03-24 12:19:32 -0700716 // We encode unset as -1.
717 int32_t mOverrideScalingMode;
Mathias Agopiana67932f2011-04-20 14:20:59 -0700718 bool mCurrentOpacity;
Dan Stozacac35382016-01-27 12:21:06 -0800719 std::atomic<uint64_t> mCurrentFrameNumber;
Jamie Gennise8696a42012-01-15 18:54:57 -0800720 bool mFrameLatencyNeeded;
Mathias Agopian13127d82013-03-05 17:47:11 -0800721 // Whether filtering is forced on or not
722 bool mFiltering;
723 // Whether filtering is needed b/c of the drawingstate
724 bool mNeedsFiltering;
David Sodman0c69cad2017-08-21 12:12:51 -0700725
chaviw8b3871a2017-11-01 17:41:01 -0700726 bool mPendingRemoval = false;
727
Mathias Agopianb7e930d2010-06-01 15:12:58 -0700728 // page-flip thread (currently main thread)
Glenn Kasten16f04532011-01-19 15:27:27 -0800729 bool mProtectedByApp; // application requires protected path to external sink
Mathias Agopian13127d82013-03-05 17:47:11 -0800730
731 // protected by mLock
732 mutable Mutex mLock;
David Sodman0c69cad2017-08-21 12:12:51 -0700733
Mathias Agopian13127d82013-03-05 17:47:11 -0800734 const wp<Client> mClientRef;
Riley Andrews03414a12014-07-01 14:22:59 -0700735
736 // This layer can be a cursor on some displays.
737 bool mPotentialCursor;
Dan Stoza6b9454d2014-11-07 16:00:59 -0800738
739 // Local copy of the queued contents of the incoming BufferQueue
740 mutable Mutex mQueueItemLock;
Dan Stozaa4650a52015-05-12 12:56:16 -0700741 Condition mQueueItemCondition;
Dan Stoza6b9454d2014-11-07 16:00:59 -0800742 Vector<BufferItem> mQueueItems;
Dan Stozacac35382016-01-27 12:21:06 -0800743 std::atomic<uint64_t> mLastFrameNumberReceived;
Pablo Ceballosff95aab2016-01-13 17:09:58 -0800744 bool mAutoRefresh;
Robert Carr7bf247e2017-05-18 14:02:49 -0700745 bool mFreezeGeometryUpdates;
Robert Carr1f0a16a2016-10-24 16:27:39 -0700746
747 // Child list about to be committed/used for editing.
748 LayerVector mCurrentChildren;
749 // Child list used for rendering.
750 LayerVector mDrawingChildren;
751
Chia-I Wue41dbe62017-06-13 14:10:56 -0700752 wp<Layer> mCurrentParent;
753 wp<Layer> mDrawingParent;
David Sodman9eeae692017-11-02 10:53:32 -0700754
755 mutable LayerBE mBE;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800756};
757
758// ---------------------------------------------------------------------------
759
760}; // namespace android
761
762#endif // ANDROID_LAYER_H