2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 //#define LOG_NDEBUG 0
19 #define LOG_TAG "Layer"
20 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
24 #include <sys/types.h>
27 #include <cutils/compiler.h>
28 #include <cutils/native_handle.h>
29 #include <cutils/properties.h>
31 #include <utils/Errors.h>
32 #include <utils/Log.h>
33 #include <utils/NativeHandle.h>
34 #include <utils/StopWatch.h>
35 #include <utils/Trace.h>
37 #include <ui/GraphicBuffer.h>
38 #include <ui/PixelFormat.h>
40 #include <gui/BufferItem.h>
41 #include <gui/Surface.h>
44 #include "Colorizer.h"
45 #include "DisplayDevice.h"
47 #include "MonitoredProducer.h"
48 #include "SurfaceFlinger.h"
50 #include "DisplayHardware/HWComposer.h"
52 #include "RenderEngine/RenderEngine.h"
54 #define DEBUG_RESIZE 0
58 // ---------------------------------------------------------------------------
60 int32_t Layer::sSequence = 1;
62 Layer::Layer(SurfaceFlinger* flinger, const sp<Client>& client,
63 const String8& name, uint32_t w, uint32_t h, uint32_t flags)
64 : contentDirty(false),
65 sequence(uint32_t(android_atomic_inc(&sSequence))),
68 mPremultipliedAlpha(true),
70 mFormat(PIXEL_FORMAT_NONE),
75 mSidebandStreamChanged(false),
77 mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
78 mOverrideScalingMode(-1),
79 mCurrentOpacity(true),
80 mCurrentFrameNumber(0),
81 mRefreshPending(false),
82 mFrameLatencyNeeded(false),
84 mNeedsFiltering(false),
85 mMesh(Mesh::TRIANGLE_FAN, 4, 2, 2),
87 mIsGlesComposition(false),
89 mProtectedByApp(false),
92 mPotentialCursor(false),
94 mQueueItemCondition(),
96 mLastFrameNumberReceived(0),
97 mUpdateTexImageFailed(false),
101 ALOGV("Creating Layer %s", name.string());
104 mCurrentCrop.makeInvalid();
105 mFlinger->getRenderEngine().genTextures(1, &mTextureName);
106 mTexture.init(Texture::TEXTURE_EXTERNAL, mTextureName);
108 uint32_t layerFlags = 0;
109 if (flags & ISurfaceComposerClient::eHidden)
110 layerFlags |= layer_state_t::eLayerHidden;
111 if (flags & ISurfaceComposerClient::eOpaque)
112 layerFlags |= layer_state_t::eLayerOpaque;
113 if (flags & ISurfaceComposerClient::eSecure)
114 layerFlags |= layer_state_t::eLayerSecure;
116 if (flags & ISurfaceComposerClient::eNonPremultiplied)
117 mPremultipliedAlpha = false;
121 mCurrentState.active.w = w;
122 mCurrentState.active.h = h;
123 mCurrentState.active.transform.set(0, 0);
124 mCurrentState.crop.makeInvalid();
125 mCurrentState.finalCrop.makeInvalid();
128 mCurrentState.alpha = 1.0f;
130 mCurrentState.alpha = 0xFF;
132 mCurrentState.layerStack = 0;
133 mCurrentState.flags = layerFlags;
134 mCurrentState.sequence = 0;
135 mCurrentState.requested = mCurrentState.active;
137 // drawing state & current state are identical
138 mDrawingState = mCurrentState;
141 const auto& hwc = flinger->getHwComposer();
142 const auto& activeConfig = hwc.getActiveConfig(HWC_DISPLAY_PRIMARY);
143 nsecs_t displayPeriod = activeConfig->getVsyncPeriod();
145 nsecs_t displayPeriod =
146 flinger->getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
148 mFrameTracker.setDisplayRefreshPeriod(displayPeriod);
151 void Layer::onFirstRef() {
152 // Creates a custom BufferQueue for SurfaceFlingerConsumer to use
153 sp<IGraphicBufferProducer> producer;
154 sp<IGraphicBufferConsumer> consumer;
155 BufferQueue::createBufferQueue(&producer, &consumer);
156 mProducer = new MonitoredProducer(producer, mFlinger);
157 mSurfaceFlingerConsumer = new SurfaceFlingerConsumer(consumer, mTextureName);
158 mSurfaceFlingerConsumer->setConsumerUsageBits(getEffectiveUsage(0));
159 mSurfaceFlingerConsumer->setContentsChangedListener(this);
160 mSurfaceFlingerConsumer->setName(mName);
162 #ifdef TARGET_DISABLE_TRIPLE_BUFFERING
163 #warning "disabling triple buffering"
165 mProducer->setMaxDequeuedBufferCount(2);
168 const sp<const DisplayDevice> hw(mFlinger->getDefaultDisplayDevice());
169 updateTransformHint(hw);
173 sp<Client> c(mClientRef.promote());
175 c->detachLayer(this);
178 for (auto& point : mRemoteSyncPoints) {
179 point->setTransactionApplied();
181 for (auto& point : mLocalSyncPoints) {
182 point->setFrameAvailable();
184 mFlinger->deleteTextureAsync(mTextureName);
185 mFrameTracker.logAndResetStats(mName);
188 // ---------------------------------------------------------------------------
190 // ---------------------------------------------------------------------------
193 void Layer::onLayerDisplayed(const sp<Fence>& releaseFence) {
194 if (mHwcLayers.empty()) {
197 mSurfaceFlingerConsumer->setReleaseFence(releaseFence);
200 void Layer::onLayerDisplayed(const sp<const DisplayDevice>& /* hw */,
201 HWComposer::HWCLayerInterface* layer) {
203 layer->onDisplayed();
204 mSurfaceFlingerConsumer->setReleaseFence(layer->getAndResetReleaseFence());
209 void Layer::onFrameAvailable(const BufferItem& item) {
210 // Add this buffer from our internal queue tracker
212 Mutex::Autolock lock(mQueueItemLock);
214 // Reset the frame number tracker when we receive the first buffer after
215 // a frame number reset
216 if (item.mFrameNumber == 1) {
217 mLastFrameNumberReceived = 0;
220 // Ensure that callbacks are handled in order
221 while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
222 status_t result = mQueueItemCondition.waitRelative(mQueueItemLock,
224 if (result != NO_ERROR) {
225 ALOGE("[%s] Timed out waiting on callback", mName.string());
229 mQueueItems.push_back(item);
230 android_atomic_inc(&mQueuedFrames);
232 // Wake up any pending callbacks
233 mLastFrameNumberReceived = item.mFrameNumber;
234 mQueueItemCondition.broadcast();
237 mFlinger->signalLayerUpdate();
240 void Layer::onFrameReplaced(const BufferItem& item) {
242 Mutex::Autolock lock(mQueueItemLock);
244 // Ensure that callbacks are handled in order
245 while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
246 status_t result = mQueueItemCondition.waitRelative(mQueueItemLock,
248 if (result != NO_ERROR) {
249 ALOGE("[%s] Timed out waiting on callback", mName.string());
253 if (mQueueItems.empty()) {
254 ALOGE("Can't replace a frame on an empty queue");
257 mQueueItems.editItemAt(mQueueItems.size() - 1) = item;
259 // Wake up any pending callbacks
260 mLastFrameNumberReceived = item.mFrameNumber;
261 mQueueItemCondition.broadcast();
265 void Layer::onSidebandStreamChanged() {
266 if (android_atomic_release_cas(false, true, &mSidebandStreamChanged) == 0) {
267 // mSidebandStreamChanged was false
268 mFlinger->signalLayerUpdate();
272 // called with SurfaceFlinger::mStateLock from the drawing thread after
273 // the layer has been remove from the current state list (and just before
274 // it's removed from the drawing state list)
275 void Layer::onRemoved() {
276 mSurfaceFlingerConsumer->abandon();
279 // ---------------------------------------------------------------------------
281 // ---------------------------------------------------------------------------
283 const String8& Layer::getName() const {
287 status_t Layer::setBuffers( uint32_t w, uint32_t h,
288 PixelFormat format, uint32_t flags)
290 uint32_t const maxSurfaceDims = min(
291 mFlinger->getMaxTextureSize(), mFlinger->getMaxViewportDims());
293 // never allow a surface larger than what our underlying GL implementation
295 if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
296 ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h));
302 mPotentialCursor = (flags & ISurfaceComposerClient::eCursorWindow) ? true : false;
303 mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false;
304 mCurrentOpacity = getOpacityForFormat(format);
306 mSurfaceFlingerConsumer->setDefaultBufferSize(w, h);
307 mSurfaceFlingerConsumer->setDefaultBufferFormat(format);
308 mSurfaceFlingerConsumer->setConsumerUsageBits(getEffectiveUsage(0));
314 * The layer handle is just a BBinder object passed to the client
315 * (remote process) -- we don't keep any reference on our side such that
316 * the dtor is called when the remote side let go of its reference.
318 * LayerCleaner ensures that mFlinger->onLayerDestroyed() is called for
319 * this layer when the handle is destroyed.
321 class Layer::Handle : public BBinder, public LayerCleaner {
323 Handle(const sp<SurfaceFlinger>& flinger, const sp<Layer>& layer)
324 : LayerCleaner(flinger, layer), owner(layer) {}
329 sp<IBinder> Layer::getHandle() {
330 Mutex::Autolock _l(mLock);
332 LOG_ALWAYS_FATAL_IF(mHasSurface,
333 "Layer::getHandle() has already been called");
337 return new Handle(mFlinger, this);
340 sp<IGraphicBufferProducer> Layer::getProducer() const {
344 // ---------------------------------------------------------------------------
345 // h/w composer set-up
346 // ---------------------------------------------------------------------------
348 Rect Layer::getContentCrop() const {
349 // this is the crop rectangle that applies to the buffer
350 // itself (as opposed to the window)
352 if (!mCurrentCrop.isEmpty()) {
353 // if the buffer crop is defined, we use that
355 } else if (mActiveBuffer != NULL) {
356 // otherwise we use the whole buffer
357 crop = mActiveBuffer->getBounds();
359 // if we don't have a buffer yet, we use an empty/invalid crop
365 static Rect reduce(const Rect& win, const Region& exclude) {
366 if (CC_LIKELY(exclude.isEmpty())) {
369 if (exclude.isRect()) {
370 return win.reduce(exclude.getBounds());
372 return Region(win).subtract(exclude).getBounds();
375 Rect Layer::computeBounds() const {
376 const Layer::State& s(getDrawingState());
377 return computeBounds(s.activeTransparentRegion);
380 Rect Layer::computeBounds(const Region& activeTransparentRegion) const {
381 const Layer::State& s(getDrawingState());
382 Rect win(s.active.w, s.active.h);
384 if (!s.crop.isEmpty()) {
385 win.intersect(s.crop, &win);
387 // subtract the transparent region and snap to the bounds
388 return reduce(win, activeTransparentRegion);
391 FloatRect Layer::computeCrop(const sp<const DisplayDevice>& hw) const {
392 // the content crop is the area of the content that gets scaled to the
394 FloatRect crop(getContentCrop());
396 // the crop is the area of the window that gets cropped, but not
397 // scaled in any ways.
398 const State& s(getDrawingState());
400 // apply the projection's clipping to the window crop in
401 // layerstack space, and convert-back to layer space.
402 // if there are no window scaling involved, this operation will map to full
403 // pixels in the buffer.
404 // FIXME: the 3 lines below can produce slightly incorrect clipping when we have
405 // a viewport clipping and a window transform. we should use floating point to fix this.
407 Rect activeCrop(s.active.w, s.active.h);
408 if (!s.crop.isEmpty()) {
412 activeCrop = s.active.transform.transform(activeCrop);
413 if (!activeCrop.intersect(hw->getViewport(), &activeCrop)) {
416 if (!s.finalCrop.isEmpty()) {
417 if(!activeCrop.intersect(s.finalCrop, &activeCrop)) {
421 activeCrop = s.active.transform.inverse().transform(activeCrop);
423 // This needs to be here as transform.transform(Rect) computes the
424 // transformed rect and then takes the bounding box of the result before
425 // returning. This means
426 // transform.inverse().transform(transform.transform(Rect)) != Rect
427 // in which case we need to make sure the final rect is clipped to the
429 if (!activeCrop.intersect(Rect(s.active.w, s.active.h), &activeCrop)) {
433 // subtract the transparent region and snap to the bounds
434 activeCrop = reduce(activeCrop, s.activeTransparentRegion);
436 // Transform the window crop to match the buffer coordinate system,
437 // which means using the inverse of the current transform set on the
438 // SurfaceFlingerConsumer.
439 uint32_t invTransform = mCurrentTransform;
440 if (mSurfaceFlingerConsumer->getTransformToDisplayInverse()) {
442 * the code below applies the primary display's inverse transform to the
445 uint32_t invTransformOrient =
446 DisplayDevice::getPrimaryDisplayOrientationTransform();
447 // calculate the inverse transform
448 if (invTransformOrient & NATIVE_WINDOW_TRANSFORM_ROT_90) {
449 invTransformOrient ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
450 NATIVE_WINDOW_TRANSFORM_FLIP_H;
451 // If the transform has been rotated the axis of flip has been swapped
452 // so we need to swap which flip operations we are performing
453 bool is_h_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_H) != 0;
454 bool is_v_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_V) != 0;
455 if (is_h_flipped != is_v_flipped) {
456 invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
457 NATIVE_WINDOW_TRANSFORM_FLIP_H;
460 // and apply to the current transform
461 invTransform = (Transform(invTransform) * Transform(invTransformOrient)).getOrientation();
464 int winWidth = s.active.w;
465 int winHeight = s.active.h;
466 if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
467 // If the activeCrop has been rotate the ends are rotated but not
468 // the space itself so when transforming ends back we can't rely on
469 // a modification of the axes of rotation. To account for this we
470 // need to reorient the inverse rotation in terms of the current
472 bool is_h_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_H) != 0;
473 bool is_v_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_V) != 0;
474 if (is_h_flipped == is_v_flipped) {
475 invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
476 NATIVE_WINDOW_TRANSFORM_FLIP_H;
478 winWidth = s.active.h;
479 winHeight = s.active.w;
481 const Rect winCrop = activeCrop.transform(
482 invTransform, s.active.w, s.active.h);
484 // below, crop is intersected with winCrop expressed in crop's coordinate space
485 float xScale = crop.getWidth() / float(winWidth);
486 float yScale = crop.getHeight() / float(winHeight);
488 float insetL = winCrop.left * xScale;
489 float insetT = winCrop.top * yScale;
490 float insetR = (winWidth - winCrop.right ) * xScale;
491 float insetB = (winHeight - winCrop.bottom) * yScale;
495 crop.right -= insetR;
496 crop.bottom -= insetB;
502 void Layer::setGeometry(const sp<const DisplayDevice>& displayDevice)
504 void Layer::setGeometry(
505 const sp<const DisplayDevice>& hw,
506 HWComposer::HWCLayerInterface& layer)
510 const auto hwcId = displayDevice->getHwcDisplayId();
511 auto& hwcInfo = mHwcLayers[hwcId];
513 layer.setDefaultState();
518 hwcInfo.forceClientComposition = false;
520 if (isSecure() && !displayDevice->isSecure()) {
521 hwcInfo.forceClientComposition = true;
524 auto& hwcLayer = hwcInfo.layer;
526 layer.setSkip(false);
528 if (isSecure() && !hw->isSecure()) {
533 // this gives us only the "orientation" component of the transform
534 const State& s(getDrawingState());
536 if (!isOpaque(s) || s.alpha != 1.0f) {
537 auto blendMode = mPremultipliedAlpha ?
538 HWC2::BlendMode::Premultiplied : HWC2::BlendMode::Coverage;
539 auto error = hwcLayer->setBlendMode(blendMode);
540 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set blend mode %s:"
541 " %s (%d)", mName.string(), to_string(blendMode).c_str(),
542 to_string(error).c_str(), static_cast<int32_t>(error));
545 if (!isOpaque(s) || s.alpha != 0xFF) {
546 layer.setBlending(mPremultipliedAlpha ?
547 HWC_BLENDING_PREMULT :
548 HWC_BLENDING_COVERAGE);
552 // apply the layer's transform, followed by the display's global transform
553 // here we're guaranteed that the layer's transform preserves rects
554 Region activeTransparentRegion(s.activeTransparentRegion);
555 if (!s.crop.isEmpty()) {
556 Rect activeCrop(s.crop);
557 activeCrop = s.active.transform.transform(activeCrop);
559 if(!activeCrop.intersect(displayDevice->getViewport(), &activeCrop)) {
561 if(!activeCrop.intersect(hw->getViewport(), &activeCrop)) {
565 activeCrop = s.active.transform.inverse().transform(activeCrop);
566 // This needs to be here as transform.transform(Rect) computes the
567 // transformed rect and then takes the bounding box of the result before
568 // returning. This means
569 // transform.inverse().transform(transform.transform(Rect)) != Rect
570 // in which case we need to make sure the final rect is clipped to the
572 if(!activeCrop.intersect(Rect(s.active.w, s.active.h), &activeCrop)) {
575 // mark regions outside the crop as transparent
576 activeTransparentRegion.orSelf(Rect(0, 0, s.active.w, activeCrop.top));
577 activeTransparentRegion.orSelf(Rect(0, activeCrop.bottom,
578 s.active.w, s.active.h));
579 activeTransparentRegion.orSelf(Rect(0, activeCrop.top,
580 activeCrop.left, activeCrop.bottom));
581 activeTransparentRegion.orSelf(Rect(activeCrop.right, activeCrop.top,
582 s.active.w, activeCrop.bottom));
584 Rect frame(s.active.transform.transform(computeBounds(activeTransparentRegion)));
585 if (!s.finalCrop.isEmpty()) {
586 if(!frame.intersect(s.finalCrop, &frame)) {
591 if (!frame.intersect(displayDevice->getViewport(), &frame)) {
594 const Transform& tr(displayDevice->getTransform());
595 Rect transformedFrame = tr.transform(frame);
596 auto error = hwcLayer->setDisplayFrame(transformedFrame);
597 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set display frame "
598 "[%d, %d, %d, %d]: %s (%d)", mName.string(), transformedFrame.left,
599 transformedFrame.top, transformedFrame.right,
600 transformedFrame.bottom, to_string(error).c_str(),
601 static_cast<int32_t>(error));
603 FloatRect sourceCrop = computeCrop(displayDevice);
604 error = hwcLayer->setSourceCrop(sourceCrop);
605 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set source crop "
606 "[%.3f, %.3f, %.3f, %.3f]: %s (%d)", mName.string(),
607 sourceCrop.left, sourceCrop.top, sourceCrop.right,
608 sourceCrop.bottom, to_string(error).c_str(),
609 static_cast<int32_t>(error));
611 error = hwcLayer->setPlaneAlpha(s.alpha);
612 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set plane alpha %.3f: "
613 "%s (%d)", mName.string(), s.alpha, to_string(error).c_str(),
614 static_cast<int32_t>(error));
616 error = hwcLayer->setZOrder(s.z);
617 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set Z %u: %s (%d)",
618 mName.string(), s.z, to_string(error).c_str(),
619 static_cast<int32_t>(error));
621 if (!frame.intersect(hw->getViewport(), &frame)) {
624 const Transform& tr(hw->getTransform());
625 layer.setFrame(tr.transform(frame));
626 layer.setCrop(computeCrop(hw));
627 layer.setPlaneAlpha(s.alpha);
631 * Transformations are applied in this order:
632 * 1) buffer orientation/flip/mirror
633 * 2) state transformation (window manager)
634 * 3) layer orientation (screen orientation)
635 * (NOTE: the matrices are multiplied in reverse order)
638 const Transform bufferOrientation(mCurrentTransform);
639 Transform transform(tr * s.active.transform * bufferOrientation);
641 if (mSurfaceFlingerConsumer->getTransformToDisplayInverse()) {
643 * the code below applies the primary display's inverse transform to the
646 uint32_t invTransform =
647 DisplayDevice::getPrimaryDisplayOrientationTransform();
649 uint32_t t_orientation = transform.getOrientation();
650 // calculate the inverse transform
651 if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
652 invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
653 NATIVE_WINDOW_TRANSFORM_FLIP_H;
654 // If the transform has been rotated the axis of flip has been swapped
655 // so we need to swap which flip operations we are performing
656 bool is_h_flipped = (t_orientation & NATIVE_WINDOW_TRANSFORM_FLIP_H) != 0;
657 bool is_v_flipped = (t_orientation & NATIVE_WINDOW_TRANSFORM_FLIP_V) != 0;
658 if (is_h_flipped != is_v_flipped) {
659 t_orientation ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
660 NATIVE_WINDOW_TRANSFORM_FLIP_H;
663 // and apply to the current transform
664 transform = Transform(t_orientation) * Transform(invTransform);
667 // this gives us only the "orientation" component of the transform
668 const uint32_t orientation = transform.getOrientation();
670 if (orientation & Transform::ROT_INVALID) {
671 // we can only handle simple transformation
672 hwcInfo.forceClientComposition = true;
674 auto transform = static_cast<HWC2::Transform>(orientation);
675 auto error = hwcLayer->setTransform(transform);
676 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set transform %s: "
677 "%s (%d)", mName.string(), to_string(transform).c_str(),
678 to_string(error).c_str(), static_cast<int32_t>(error));
681 if (orientation & Transform::ROT_INVALID) {
682 // we can only handle simple transformation
685 layer.setTransform(orientation);
691 void Layer::forceClientComposition(int32_t hwcId) {
692 if (mHwcLayers.count(hwcId) == 0) {
693 ALOGE("forceClientComposition: no HWC layer found (%d)", hwcId);
697 mHwcLayers[hwcId].forceClientComposition = true;
702 void Layer::setPerFrameData(const sp<const DisplayDevice>& displayDevice) {
703 // Apply this display's projection's viewport to the visible region
704 // before giving it to the HWC HAL.
705 const Transform& tr = displayDevice->getTransform();
706 const auto& viewport = displayDevice->getViewport();
707 Region visible = tr.transform(visibleRegion.intersect(viewport));
708 auto hwcId = displayDevice->getHwcDisplayId();
709 auto& hwcLayer = mHwcLayers[hwcId].layer;
710 auto error = hwcLayer->setVisibleRegion(visible);
711 if (error != HWC2::Error::None) {
712 ALOGE("[%s] Failed to set visible region: %s (%d)", mName.string(),
713 to_string(error).c_str(), static_cast<int32_t>(error));
714 visible.dump(LOG_TAG);
717 error = hwcLayer->setSurfaceDamage(surfaceDamageRegion);
718 if (error != HWC2::Error::None) {
719 ALOGE("[%s] Failed to set surface damage: %s (%d)", mName.string(),
720 to_string(error).c_str(), static_cast<int32_t>(error));
721 surfaceDamageRegion.dump(LOG_TAG);
724 auto compositionType = HWC2::Composition::Invalid;
725 if (mSidebandStream.get()) {
726 compositionType = HWC2::Composition::Sideband;
727 auto error = hwcLayer->setSidebandStream(mSidebandStream->handle());
728 if (error != HWC2::Error::None) {
729 ALOGE("[%s] Failed to set sideband stream %p: %s (%d)",
730 mName.string(), mSidebandStream->handle(),
731 to_string(error).c_str(), static_cast<int32_t>(error));
735 if (mActiveBuffer == nullptr || mActiveBuffer->handle == nullptr) {
736 compositionType = HWC2::Composition::Client;
737 auto error = hwcLayer->setBuffer(nullptr, Fence::NO_FENCE);
738 if (error != HWC2::Error::None) {
739 ALOGE("[%s] Failed to set null buffer: %s (%d)", mName.string(),
740 to_string(error).c_str(), static_cast<int32_t>(error));
744 if (mPotentialCursor) {
745 compositionType = HWC2::Composition::Cursor;
747 auto acquireFence = mSurfaceFlingerConsumer->getCurrentFence();
748 auto error = hwcLayer->setBuffer(mActiveBuffer->handle,
750 if (error != HWC2::Error::None) {
751 ALOGE("[%s] Failed to set buffer %p: %s (%d)", mName.string(),
752 mActiveBuffer->handle, to_string(error).c_str(),
753 static_cast<int32_t>(error));
756 // If it's not a cursor, default to device composition
760 if (mHwcLayers[hwcId].forceClientComposition) {
761 ALOGV("[%s] Forcing Client composition", mName.string());
762 setCompositionType(hwcId, HWC2::Composition::Client);
763 } else if (compositionType != HWC2::Composition::Invalid) {
764 ALOGV("[%s] Requesting %s composition", mName.string(),
765 to_string(compositionType).c_str());
766 setCompositionType(hwcId, compositionType);
768 ALOGV("[%s] Requesting Device composition", mName.string());
769 setCompositionType(hwcId, HWC2::Composition::Device);
773 void Layer::setPerFrameData(const sp<const DisplayDevice>& hw,
774 HWComposer::HWCLayerInterface& layer) {
775 // we have to set the visible region on every frame because
776 // we currently free it during onLayerDisplayed(), which is called
777 // after HWComposer::commit() -- every frame.
778 // Apply this display's projection's viewport to the visible region
779 // before giving it to the HWC HAL.
780 const Transform& tr = hw->getTransform();
781 Region visible = tr.transform(visibleRegion.intersect(hw->getViewport()));
782 layer.setVisibleRegionScreen(visible);
783 layer.setSurfaceDamage(surfaceDamageRegion);
784 mIsGlesComposition = (layer.getCompositionType() == HWC_FRAMEBUFFER);
786 if (mSidebandStream.get()) {
787 layer.setSidebandStream(mSidebandStream);
789 // NOTE: buffer can be NULL if the client never drew into this
790 // layer yet, or if we ran out of memory
791 layer.setBuffer(mActiveBuffer);
797 void Layer::updateCursorPosition(const sp<const DisplayDevice>& displayDevice) {
798 auto hwcId = displayDevice->getHwcDisplayId();
799 if (mHwcLayers.count(hwcId) == 0 ||
800 getCompositionType(hwcId) != HWC2::Composition::Cursor) {
804 // This gives us only the "orientation" component of the transform
805 const State& s(getCurrentState());
807 // Apply the layer's transform, followed by the display's global transform
808 // Here we're guaranteed that the layer's transform preserves rects
809 Rect win(s.active.w, s.active.h);
810 if (!s.crop.isEmpty()) {
811 win.intersect(s.crop, &win);
813 // Subtract the transparent region and snap to the bounds
814 Rect bounds = reduce(win, s.activeTransparentRegion);
815 Rect frame(s.active.transform.transform(bounds));
816 frame.intersect(displayDevice->getViewport(), &frame);
817 if (!s.finalCrop.isEmpty()) {
818 frame.intersect(s.finalCrop, &frame);
820 auto& displayTransform(displayDevice->getTransform());
821 auto position = displayTransform.transform(frame);
823 auto error = mHwcLayers[hwcId].layer->setCursorPosition(position.left,
825 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set cursor position "
826 "to (%d, %d): %s (%d)", mName.string(), position.left,
827 position.top, to_string(error).c_str(),
828 static_cast<int32_t>(error));
831 void Layer::setAcquireFence(const sp<const DisplayDevice>& /* hw */,
832 HWComposer::HWCLayerInterface& layer) {
835 // TODO: there is a possible optimization here: we only need to set the
836 // acquire fence the first time a new buffer is acquired on EACH display.
838 if (layer.getCompositionType() == HWC_OVERLAY || layer.getCompositionType() == HWC_CURSOR_OVERLAY) {
839 sp<Fence> fence = mSurfaceFlingerConsumer->getCurrentFence();
840 if (fence->isValid()) {
841 fenceFd = fence->dup();
843 ALOGW("failed to dup layer fence, skipping sync: %d", errno);
847 layer.setAcquireFenceFd(fenceFd);
850 Rect Layer::getPosition(
851 const sp<const DisplayDevice>& hw)
853 // this gives us only the "orientation" component of the transform
854 const State& s(getCurrentState());
856 // apply the layer's transform, followed by the display's global transform
857 // here we're guaranteed that the layer's transform preserves rects
858 Rect win(s.active.w, s.active.h);
859 if (!s.crop.isEmpty()) {
860 win.intersect(s.crop, &win);
862 // subtract the transparent region and snap to the bounds
863 Rect bounds = reduce(win, s.activeTransparentRegion);
864 Rect frame(s.active.transform.transform(bounds));
865 frame.intersect(hw->getViewport(), &frame);
866 if (!s.finalCrop.isEmpty()) {
867 frame.intersect(s.finalCrop, &frame);
869 const Transform& tr(hw->getTransform());
870 return Rect(tr.transform(frame));
874 // ---------------------------------------------------------------------------
876 // ---------------------------------------------------------------------------
878 void Layer::draw(const sp<const DisplayDevice>& hw, const Region& clip) const {
879 onDraw(hw, clip, false);
882 void Layer::draw(const sp<const DisplayDevice>& hw,
883 bool useIdentityTransform) const {
884 onDraw(hw, Region(hw->bounds()), useIdentityTransform);
887 void Layer::draw(const sp<const DisplayDevice>& hw) const {
888 onDraw(hw, Region(hw->bounds()), false);
891 void Layer::onDraw(const sp<const DisplayDevice>& hw, const Region& clip,
892 bool useIdentityTransform) const
896 if (CC_UNLIKELY(mActiveBuffer == 0)) {
897 // the texture has not been created yet, this Layer has
898 // in fact never been drawn into. This happens frequently with
899 // SurfaceView because the WindowManager can't know when the client
900 // has drawn the first time.
902 // If there is nothing under us, we paint the screen in black, otherwise
903 // we just skip this update.
905 // figure out if there is something below us
907 const SurfaceFlinger::LayerVector& drawingLayers(
908 mFlinger->mDrawingState.layersSortedByZ);
909 const size_t count = drawingLayers.size();
910 for (size_t i=0 ; i<count ; ++i) {
911 const sp<Layer>& layer(drawingLayers[i]);
912 if (layer.get() == static_cast<Layer const*>(this))
914 under.orSelf( hw->getTransform().transform(layer->visibleRegion) );
916 // if not everything below us is covered, we plug the holes!
917 Region holes(clip.subtract(under));
918 if (!holes.isEmpty()) {
919 clearWithOpenGL(hw, holes, 0, 0, 0, 1);
924 // Bind the current buffer to the GL texture, and wait for it to be
925 // ready for us to draw into.
926 status_t err = mSurfaceFlingerConsumer->bindTextureImage();
927 if (err != NO_ERROR) {
928 ALOGW("onDraw: bindTextureImage failed (err=%d)", err);
929 // Go ahead and draw the buffer anyway; no matter what we do the screen
930 // is probably going to have something visibly wrong.
933 bool blackOutLayer = isProtected() || (isSecure() && !hw->isSecure());
935 RenderEngine& engine(mFlinger->getRenderEngine());
937 if (!blackOutLayer) {
938 // TODO: we could be more subtle with isFixedSize()
939 const bool useFiltering = getFiltering() || needsFiltering(hw) || isFixedSize();
941 // Query the texture matrix given our current filtering mode.
942 float textureMatrix[16];
943 mSurfaceFlingerConsumer->setFilteringEnabled(useFiltering);
944 mSurfaceFlingerConsumer->getTransformMatrix(textureMatrix);
946 if (mSurfaceFlingerConsumer->getTransformToDisplayInverse()) {
949 * the code below applies the primary display's inverse transform to
950 * the texture transform
953 // create a 4x4 transform matrix from the display transform flags
954 const mat4 flipH(-1,0,0,0, 0,1,0,0, 0,0,1,0, 1,0,0,1);
955 const mat4 flipV( 1,0,0,0, 0,-1,0,0, 0,0,1,0, 0,1,0,1);
956 const mat4 rot90( 0,1,0,0, -1,0,0,0, 0,0,1,0, 1,0,0,1);
960 DisplayDevice::getPrimaryDisplayOrientationTransform();
961 if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90)
963 if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H)
965 if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V)
968 // calculate the inverse
971 // and finally apply it to the original texture matrix
972 const mat4 texTransform(mat4(static_cast<const float*>(textureMatrix)) * tr);
973 memcpy(textureMatrix, texTransform.asArray(), sizeof(textureMatrix));
976 // Set things up for texturing.
977 mTexture.setDimensions(mActiveBuffer->getWidth(), mActiveBuffer->getHeight());
978 mTexture.setFiltering(useFiltering);
979 mTexture.setMatrix(textureMatrix);
981 engine.setupLayerTexturing(mTexture);
983 engine.setupLayerBlackedOut();
985 drawWithOpenGL(hw, clip, useIdentityTransform);
986 engine.disableTexturing();
990 void Layer::clearWithOpenGL(const sp<const DisplayDevice>& hw,
991 const Region& /* clip */, float red, float green, float blue,
994 RenderEngine& engine(mFlinger->getRenderEngine());
995 computeGeometry(hw, mMesh, false);
996 engine.setupFillWithColor(red, green, blue, alpha);
997 engine.drawMesh(mMesh);
1000 void Layer::clearWithOpenGL(
1001 const sp<const DisplayDevice>& hw, const Region& clip) const {
1002 clearWithOpenGL(hw, clip, 0,0,0,0);
1005 void Layer::drawWithOpenGL(const sp<const DisplayDevice>& hw,
1006 const Region& /* clip */, bool useIdentityTransform) const {
1007 const State& s(getDrawingState());
1009 computeGeometry(hw, mMesh, useIdentityTransform);
1012 * NOTE: the way we compute the texture coordinates here produces
1013 * different results than when we take the HWC path -- in the later case
1014 * the "source crop" is rounded to texel boundaries.
1015 * This can produce significantly different results when the texture
1016 * is scaled by a large amount.
1018 * The GL code below is more logical (imho), and the difference with
1019 * HWC is due to a limitation of the HWC API to integers -- a question
1020 * is suspend is whether we should ignore this problem or revert to
1021 * GL composition when a buffer scaling is applied (maybe with some
1022 * minimal value)? Or, we could make GL behave like HWC -- but this feel
1023 * like more of a hack.
1025 Rect win(computeBounds());
1027 if (!s.finalCrop.isEmpty()) {
1028 win = s.active.transform.transform(win);
1029 if (!win.intersect(s.finalCrop, &win)) {
1032 win = s.active.transform.inverse().transform(win);
1033 if (!win.intersect(computeBounds(), &win)) {
1038 float left = float(win.left) / float(s.active.w);
1039 float top = float(win.top) / float(s.active.h);
1040 float right = float(win.right) / float(s.active.w);
1041 float bottom = float(win.bottom) / float(s.active.h);
1043 // TODO: we probably want to generate the texture coords with the mesh
1044 // here we assume that we only have 4 vertices
1045 Mesh::VertexArray<vec2> texCoords(mMesh.getTexCoordArray<vec2>());
1046 texCoords[0] = vec2(left, 1.0f - top);
1047 texCoords[1] = vec2(left, 1.0f - bottom);
1048 texCoords[2] = vec2(right, 1.0f - bottom);
1049 texCoords[3] = vec2(right, 1.0f - top);
1051 RenderEngine& engine(mFlinger->getRenderEngine());
1052 engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(s), s.alpha);
1053 engine.drawMesh(mMesh);
1054 engine.disableBlending();
1058 void Layer::setCompositionType(int32_t hwcId, HWC2::Composition type,
1060 if (mHwcLayers.count(hwcId) == 0) {
1061 ALOGE("setCompositionType called without a valid HWC layer");
1064 auto& hwcInfo = mHwcLayers[hwcId];
1065 auto& hwcLayer = hwcInfo.layer;
1066 ALOGV("setCompositionType(%" PRIx64 ", %s, %d)", hwcLayer->getId(),
1067 to_string(type).c_str(), static_cast<int>(callIntoHwc));
1068 if (hwcInfo.compositionType != type) {
1069 ALOGV(" actually setting");
1070 hwcInfo.compositionType = type;
1072 auto error = hwcLayer->setCompositionType(type);
1073 ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set "
1074 "composition type %s: %s (%d)", mName.string(),
1075 to_string(type).c_str(), to_string(error).c_str(),
1076 static_cast<int32_t>(error));
1081 HWC2::Composition Layer::getCompositionType(int32_t hwcId) const {
1082 if (mHwcLayers.count(hwcId) == 0) {
1083 ALOGE("getCompositionType called without a valid HWC layer");
1084 return HWC2::Composition::Invalid;
1086 return mHwcLayers.at(hwcId).compositionType;
1089 void Layer::setClearClientTarget(int32_t hwcId, bool clear) {
1090 if (mHwcLayers.count(hwcId) == 0) {
1091 ALOGE("setClearClientTarget called without a valid HWC layer");
1094 mHwcLayers[hwcId].clearClientTarget = clear;
1097 bool Layer::getClearClientTarget(int32_t hwcId) const {
1098 if (mHwcLayers.count(hwcId) == 0) {
1099 ALOGE("getClearClientTarget called without a valid HWC layer");
1102 return mHwcLayers.at(hwcId).clearClientTarget;
1106 uint32_t Layer::getProducerStickyTransform() const {
1107 int producerStickyTransform = 0;
1108 int ret = mProducer->query(NATIVE_WINDOW_STICKY_TRANSFORM, &producerStickyTransform);
1110 ALOGW("%s: Error %s (%d) while querying window sticky transform.", __FUNCTION__,
1111 strerror(-ret), ret);
1114 return static_cast<uint32_t>(producerStickyTransform);
1117 uint64_t Layer::getHeadFrameNumber() const {
1118 Mutex::Autolock lock(mQueueItemLock);
1119 if (!mQueueItems.empty()) {
1120 return mQueueItems[0].mFrameNumber;
1122 return mCurrentFrameNumber;
1126 bool Layer::addSyncPoint(const std::shared_ptr<SyncPoint>& point) {
1127 if (point->getFrameNumber() <= mCurrentFrameNumber) {
1128 // Don't bother with a SyncPoint, since we've already latched the
1133 Mutex::Autolock lock(mLocalSyncPointMutex);
1134 mLocalSyncPoints.push_back(point);
1138 void Layer::setFiltering(bool filtering) {
1139 mFiltering = filtering;
1142 bool Layer::getFiltering() const {
1146 // As documented in libhardware header, formats in the range
1147 // 0x100 - 0x1FF are specific to the HAL implementation, and
1148 // are known to have no alpha channel
1149 // TODO: move definition for device-specific range into
1150 // hardware.h, instead of using hard-coded values here.
1151 #define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
1153 bool Layer::getOpacityForFormat(uint32_t format) {
1154 if (HARDWARE_IS_DEVICE_FORMAT(format)) {
1158 case HAL_PIXEL_FORMAT_RGBA_8888:
1159 case HAL_PIXEL_FORMAT_BGRA_8888:
1162 // in all other case, we have no blending (also for unknown formats)
1166 // ----------------------------------------------------------------------------
1168 // ----------------------------------------------------------------------------
1170 static void boundPoint(vec2* point, const Rect& crop) {
1171 if (point->x < crop.left) {
1172 point->x = crop.left;
1174 if (point->x > crop.right) {
1175 point->x = crop.right;
1177 if (point->y < crop.top) {
1178 point->y = crop.top;
1180 if (point->y > crop.bottom) {
1181 point->y = crop.bottom;
1185 void Layer::computeGeometry(const sp<const DisplayDevice>& hw, Mesh& mesh,
1186 bool useIdentityTransform) const
1188 const Layer::State& s(getDrawingState());
1189 const Transform tr(hw->getTransform());
1190 const uint32_t hw_h = hw->getHeight();
1191 Rect win(s.active.w, s.active.h);
1192 if (!s.crop.isEmpty()) {
1193 win.intersect(s.crop, &win);
1195 // subtract the transparent region and snap to the bounds
1196 win = reduce(win, s.activeTransparentRegion);
1198 vec2 lt = vec2(win.left, win.top);
1199 vec2 lb = vec2(win.left, win.bottom);
1200 vec2 rb = vec2(win.right, win.bottom);
1201 vec2 rt = vec2(win.right, win.top);
1203 if (!useIdentityTransform) {
1204 lt = s.active.transform.transform(lt);
1205 lb = s.active.transform.transform(lb);
1206 rb = s.active.transform.transform(rb);
1207 rt = s.active.transform.transform(rt);
1210 if (!s.finalCrop.isEmpty()) {
1211 boundPoint(<, s.finalCrop);
1212 boundPoint(&lb, s.finalCrop);
1213 boundPoint(&rb, s.finalCrop);
1214 boundPoint(&rt, s.finalCrop);
1217 Mesh::VertexArray<vec2> position(mesh.getPositionArray<vec2>());
1218 position[0] = tr.transform(lt);
1219 position[1] = tr.transform(lb);
1220 position[2] = tr.transform(rb);
1221 position[3] = tr.transform(rt);
1222 for (size_t i=0 ; i<4 ; i++) {
1223 position[i].y = hw_h - position[i].y;
1227 bool Layer::isOpaque(const Layer::State& s) const
1229 // if we don't have a buffer yet, we're translucent regardless of the
1230 // layer's opaque flag.
1231 if (mActiveBuffer == 0) {
1235 // if the layer has the opaque flag, then we're always opaque,
1236 // otherwise we use the current buffer's format.
1237 return ((s.flags & layer_state_t::eLayerOpaque) != 0) || mCurrentOpacity;
1240 bool Layer::isSecure() const
1242 const Layer::State& s(mDrawingState);
1243 return (s.flags & layer_state_t::eLayerSecure);
1246 bool Layer::isProtected() const
1248 const sp<GraphicBuffer>& activeBuffer(mActiveBuffer);
1249 return (activeBuffer != 0) &&
1250 (activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
1253 bool Layer::isFixedSize() const {
1254 return getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE;
1257 bool Layer::isCropped() const {
1258 return !mCurrentCrop.isEmpty();
1261 bool Layer::needsFiltering(const sp<const DisplayDevice>& hw) const {
1262 return mNeedsFiltering || hw->needsFiltering();
1265 void Layer::setVisibleRegion(const Region& visibleRegion) {
1266 // always called from main thread
1267 this->visibleRegion = visibleRegion;
1270 void Layer::setCoveredRegion(const Region& coveredRegion) {
1271 // always called from main thread
1272 this->coveredRegion = coveredRegion;
1275 void Layer::setVisibleNonTransparentRegion(const Region&
1276 setVisibleNonTransparentRegion) {
1277 // always called from main thread
1278 this->visibleNonTransparentRegion = setVisibleNonTransparentRegion;
1281 // ----------------------------------------------------------------------------
1283 // ----------------------------------------------------------------------------
1285 void Layer::pushPendingState() {
1286 if (!mCurrentState.modified) {
1290 // If this transaction is waiting on the receipt of a frame, generate a sync
1291 // point and send it to the remote layer.
1292 if (mCurrentState.handle != nullptr) {
1293 sp<Handle> handle = static_cast<Handle*>(mCurrentState.handle.get());
1294 sp<Layer> handleLayer = handle->owner.promote();
1295 if (handleLayer == nullptr) {
1296 ALOGE("[%s] Unable to promote Layer handle", mName.string());
1297 // If we can't promote the layer we are intended to wait on,
1298 // then it is expired or otherwise invalid. Allow this transaction
1299 // to be applied as per normal (no synchronization).
1300 mCurrentState.handle = nullptr;
1302 auto syncPoint = std::make_shared<SyncPoint>(
1303 mCurrentState.frameNumber);
1304 if (handleLayer->addSyncPoint(syncPoint)) {
1305 mRemoteSyncPoints.push_back(std::move(syncPoint));
1307 // We already missed the frame we're supposed to synchronize
1308 // on, so go ahead and apply the state update
1309 mCurrentState.handle = nullptr;
1313 // Wake us up to check if the frame has been received
1314 setTransactionFlags(eTransactionNeeded);
1316 mPendingStates.push_back(mCurrentState);
1319 void Layer::popPendingState(State* stateToCommit) {
1320 auto oldFlags = stateToCommit->flags;
1321 *stateToCommit = mPendingStates[0];
1322 stateToCommit->flags = (oldFlags & ~stateToCommit->mask) |
1323 (stateToCommit->flags & stateToCommit->mask);
1325 mPendingStates.removeAt(0);
1328 bool Layer::applyPendingStates(State* stateToCommit) {
1329 bool stateUpdateAvailable = false;
1330 while (!mPendingStates.empty()) {
1331 if (mPendingStates[0].handle != nullptr) {
1332 if (mRemoteSyncPoints.empty()) {
1333 // If we don't have a sync point for this, apply it anyway. It
1334 // will be visually wrong, but it should keep us from getting
1335 // into too much trouble.
1336 ALOGE("[%s] No local sync point found", mName.string());
1337 popPendingState(stateToCommit);
1338 stateUpdateAvailable = true;
1342 if (mRemoteSyncPoints.front()->getFrameNumber() !=
1343 mPendingStates[0].frameNumber) {
1344 ALOGE("[%s] Unexpected sync point frame number found",
1347 // Signal our end of the sync point and then dispose of it
1348 mRemoteSyncPoints.front()->setTransactionApplied();
1349 mRemoteSyncPoints.pop_front();
1353 if (mRemoteSyncPoints.front()->frameIsAvailable()) {
1354 // Apply the state update
1355 popPendingState(stateToCommit);
1356 stateUpdateAvailable = true;
1358 // Signal our end of the sync point and then dispose of it
1359 mRemoteSyncPoints.front()->setTransactionApplied();
1360 mRemoteSyncPoints.pop_front();
1365 popPendingState(stateToCommit);
1366 stateUpdateAvailable = true;
1370 // If we still have pending updates, wake SurfaceFlinger back up and point
1371 // it at this layer so we can process them
1372 if (!mPendingStates.empty()) {
1373 setTransactionFlags(eTransactionNeeded);
1374 mFlinger->setTransactionFlags(eTraversalNeeded);
1377 mCurrentState.modified = false;
1378 return stateUpdateAvailable;
1381 void Layer::notifyAvailableFrames() {
1382 auto headFrameNumber = getHeadFrameNumber();
1383 Mutex::Autolock lock(mLocalSyncPointMutex);
1384 for (auto& point : mLocalSyncPoints) {
1385 if (headFrameNumber >= point->getFrameNumber()) {
1386 point->setFrameAvailable();
1391 uint32_t Layer::doTransaction(uint32_t flags) {
1395 Layer::State c = getCurrentState();
1396 if (!applyPendingStates(&c)) {
1400 const Layer::State& s(getDrawingState());
1402 const bool sizeChanged = (c.requested.w != s.requested.w) ||
1403 (c.requested.h != s.requested.h);
1406 // the size changed, we need to ask our client to request a new buffer
1407 ALOGD_IF(DEBUG_RESIZE,
1408 "doTransaction: geometry (layer=%p '%s'), tr=%02x, scalingMode=%d\n"
1409 " current={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
1410 " requested={ wh={%4u,%4u} }}\n"
1411 " drawing={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
1412 " requested={ wh={%4u,%4u} }}\n",
1413 this, getName().string(), mCurrentTransform,
1414 getEffectiveScalingMode(),
1415 c.active.w, c.active.h,
1422 c.requested.w, c.requested.h,
1423 s.active.w, s.active.h,
1430 s.requested.w, s.requested.h);
1432 // record the new size, form this point on, when the client request
1433 // a buffer, it'll get the new size.
1434 mSurfaceFlingerConsumer->setDefaultBufferSize(
1435 c.requested.w, c.requested.h);
1438 if (!isFixedSize()) {
1440 const bool resizePending = (c.requested.w != c.active.w) ||
1441 (c.requested.h != c.active.h);
1443 if (resizePending && mSidebandStream == NULL) {
1444 // don't let Layer::doTransaction update the drawing state
1445 // if we have a pending resize, unless we are in fixed-size mode.
1446 // the drawing state will be updated only once we receive a buffer
1447 // with the correct size.
1449 // in particular, we want to make sure the clip (which is part
1450 // of the geometry state) is latched together with the size but is
1451 // latched immediately when no resizing is involved.
1453 // If a sideband stream is attached, however, we want to skip this
1454 // optimization so that transactions aren't missed when a buffer
1457 flags |= eDontUpdateGeometryState;
1461 // always set active to requested, unless we're asked not to
1462 // this is used by Layer, which special cases resizes.
1463 if (flags & eDontUpdateGeometryState) {
1465 c.active = c.requested;
1468 if (s.active != c.active) {
1469 // invalidate and recompute the visible regions if needed
1470 flags |= Layer::eVisibleRegion;
1473 if (c.sequence != s.sequence) {
1474 // invalidate and recompute the visible regions if needed
1475 flags |= eVisibleRegion;
1476 this->contentDirty = true;
1478 // we may use linear filtering, if the matrix scales us
1479 const uint8_t type = c.active.transform.getType();
1480 mNeedsFiltering = (!c.active.transform.preserveRects() ||
1481 (type >= Transform::SCALE));
1484 // If the layer is hidden, signal and clear out all local sync points so
1485 // that transactions for layers depending on this layer's frames becoming
1486 // visible are not blocked
1487 if (c.flags & layer_state_t::eLayerHidden) {
1488 Mutex::Autolock lock(mLocalSyncPointMutex);
1489 for (auto& point : mLocalSyncPoints) {
1490 point->setFrameAvailable();
1492 mLocalSyncPoints.clear();
1495 // Commit the transaction
1496 commitTransaction(c);
1500 void Layer::commitTransaction(const State& stateToCommit) {
1501 mDrawingState = stateToCommit;
1504 uint32_t Layer::getTransactionFlags(uint32_t flags) {
1505 return android_atomic_and(~flags, &mTransactionFlags) & flags;
1508 uint32_t Layer::setTransactionFlags(uint32_t flags) {
1509 return android_atomic_or(flags, &mTransactionFlags);
1512 bool Layer::setPosition(float x, float y) {
1513 if (mCurrentState.requested.transform.tx() == x && mCurrentState.requested.transform.ty() == y)
1515 mCurrentState.sequence++;
1517 // We update the requested and active position simultaneously because
1518 // we want to apply the position portion of the transform matrix immediately,
1519 // but still delay scaling when resizing a SCALING_MODE_FREEZE layer.
1520 mCurrentState.requested.transform.set(x, y);
1521 mCurrentState.active.transform.set(x, y);
1523 mCurrentState.modified = true;
1524 setTransactionFlags(eTransactionNeeded);
1527 bool Layer::setLayer(uint32_t z) {
1528 if (mCurrentState.z == z)
1530 mCurrentState.sequence++;
1531 mCurrentState.z = z;
1532 mCurrentState.modified = true;
1533 setTransactionFlags(eTransactionNeeded);
1536 bool Layer::setSize(uint32_t w, uint32_t h) {
1537 if (mCurrentState.requested.w == w && mCurrentState.requested.h == h)
1539 mCurrentState.requested.w = w;
1540 mCurrentState.requested.h = h;
1541 mCurrentState.modified = true;
1542 setTransactionFlags(eTransactionNeeded);
1546 bool Layer::setAlpha(float alpha) {
1548 bool Layer::setAlpha(uint8_t alpha) {
1550 if (mCurrentState.alpha == alpha)
1552 mCurrentState.sequence++;
1553 mCurrentState.alpha = alpha;
1554 mCurrentState.modified = true;
1555 setTransactionFlags(eTransactionNeeded);
1558 bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
1559 mCurrentState.sequence++;
1560 mCurrentState.requested.transform.set(
1561 matrix.dsdx, matrix.dsdy, matrix.dtdx, matrix.dtdy);
1562 mCurrentState.modified = true;
1563 setTransactionFlags(eTransactionNeeded);
1566 bool Layer::setTransparentRegionHint(const Region& transparent) {
1567 mCurrentState.requestedTransparentRegion = transparent;
1568 mCurrentState.modified = true;
1569 setTransactionFlags(eTransactionNeeded);
1572 bool Layer::setFlags(uint8_t flags, uint8_t mask) {
1573 const uint32_t newFlags = (mCurrentState.flags & ~mask) | (flags & mask);
1574 if (mCurrentState.flags == newFlags)
1576 mCurrentState.sequence++;
1577 mCurrentState.flags = newFlags;
1578 mCurrentState.mask = mask;
1579 mCurrentState.modified = true;
1580 setTransactionFlags(eTransactionNeeded);
1583 bool Layer::setCrop(const Rect& crop) {
1584 if (mCurrentState.crop == crop)
1586 mCurrentState.sequence++;
1587 mCurrentState.crop = crop;
1588 mCurrentState.modified = true;
1589 setTransactionFlags(eTransactionNeeded);
1592 bool Layer::setFinalCrop(const Rect& crop) {
1593 if (mCurrentState.finalCrop == crop)
1595 mCurrentState.sequence++;
1596 mCurrentState.finalCrop = crop;
1597 mCurrentState.modified = true;
1598 setTransactionFlags(eTransactionNeeded);
1602 bool Layer::setOverrideScalingMode(int32_t scalingMode) {
1603 if (scalingMode == mOverrideScalingMode)
1605 mOverrideScalingMode = scalingMode;
1609 uint32_t Layer::getEffectiveScalingMode() const {
1610 if (mOverrideScalingMode >= 0) {
1611 return mOverrideScalingMode;
1613 return mCurrentScalingMode;
1616 bool Layer::setLayerStack(uint32_t layerStack) {
1617 if (mCurrentState.layerStack == layerStack)
1619 mCurrentState.sequence++;
1620 mCurrentState.layerStack = layerStack;
1621 mCurrentState.modified = true;
1622 setTransactionFlags(eTransactionNeeded);
1626 void Layer::deferTransactionUntil(const sp<IBinder>& handle,
1627 uint64_t frameNumber) {
1628 mCurrentState.handle = handle;
1629 mCurrentState.frameNumber = frameNumber;
1630 // We don't set eTransactionNeeded, because just receiving a deferral
1631 // request without any other state updates shouldn't actually induce a delay
1632 mCurrentState.modified = true;
1634 mCurrentState.handle = nullptr;
1635 mCurrentState.frameNumber = 0;
1636 mCurrentState.modified = false;
1639 void Layer::useSurfaceDamage() {
1640 if (mFlinger->mForceFullDamage) {
1641 surfaceDamageRegion = Region::INVALID_REGION;
1643 surfaceDamageRegion = mSurfaceFlingerConsumer->getSurfaceDamage();
1647 void Layer::useEmptyDamage() {
1648 surfaceDamageRegion.clear();
1651 // ----------------------------------------------------------------------------
1652 // pageflip handling...
1653 // ----------------------------------------------------------------------------
1655 bool Layer::shouldPresentNow(const DispSync& dispSync) const {
1656 if (mSidebandStreamChanged || mAutoRefresh) {
1660 Mutex::Autolock lock(mQueueItemLock);
1661 if (mQueueItems.empty()) {
1664 auto timestamp = mQueueItems[0].mTimestamp;
1665 nsecs_t expectedPresent =
1666 mSurfaceFlingerConsumer->computeExpectedPresent(dispSync);
1668 // Ignore timestamps more than a second in the future
1669 bool isPlausible = timestamp < (expectedPresent + s2ns(1));
1670 ALOGW_IF(!isPlausible, "[%s] Timestamp %" PRId64 " seems implausible "
1671 "relative to expectedPresent %" PRId64, mName.string(), timestamp,
1674 bool isDue = timestamp < expectedPresent;
1675 return isDue || !isPlausible;
1678 bool Layer::onPreComposition() {
1679 mRefreshPending = false;
1680 return mQueuedFrames > 0 || mSidebandStreamChanged || mAutoRefresh;
1683 void Layer::onPostComposition() {
1684 if (mFrameLatencyNeeded) {
1685 nsecs_t desiredPresentTime = mSurfaceFlingerConsumer->getTimestamp();
1686 mFrameTracker.setDesiredPresentTime(desiredPresentTime);
1688 sp<Fence> frameReadyFence = mSurfaceFlingerConsumer->getCurrentFence();
1689 if (frameReadyFence->isValid()) {
1690 mFrameTracker.setFrameReadyFence(frameReadyFence);
1692 // There was no fence for this frame, so assume that it was ready
1693 // to be presented at the desired present time.
1694 mFrameTracker.setFrameReadyTime(desiredPresentTime);
1697 const HWComposer& hwc = mFlinger->getHwComposer();
1699 sp<Fence> presentFence = hwc.getRetireFence(HWC_DISPLAY_PRIMARY);
1701 sp<Fence> presentFence = hwc.getDisplayFence(HWC_DISPLAY_PRIMARY);
1703 if (presentFence->isValid()) {
1704 mFrameTracker.setActualPresentFence(presentFence);
1706 // The HWC doesn't support present fences, so use the refresh
1707 // timestamp instead.
1708 nsecs_t presentTime = hwc.getRefreshTimestamp(HWC_DISPLAY_PRIMARY);
1709 mFrameTracker.setActualPresentTime(presentTime);
1712 mFrameTracker.advanceFrame();
1713 mFrameLatencyNeeded = false;
1718 void Layer::releasePendingBuffer() {
1719 mSurfaceFlingerConsumer->releasePendingBuffer();
1723 bool Layer::isVisible() const {
1724 const Layer::State& s(mDrawingState);
1726 return !(s.flags & layer_state_t::eLayerHidden) && s.alpha > 0.0f
1727 && (mActiveBuffer != NULL || mSidebandStream != NULL);
1729 return !(s.flags & layer_state_t::eLayerHidden) && s.alpha
1730 && (mActiveBuffer != NULL || mSidebandStream != NULL);
1734 Region Layer::latchBuffer(bool& recomputeVisibleRegions)
1738 if (android_atomic_acquire_cas(true, false, &mSidebandStreamChanged) == 0) {
1739 // mSidebandStreamChanged was true
1740 mSidebandStream = mSurfaceFlingerConsumer->getSidebandStream();
1741 if (mSidebandStream != NULL) {
1742 setTransactionFlags(eTransactionNeeded);
1743 mFlinger->setTransactionFlags(eTraversalNeeded);
1745 recomputeVisibleRegions = true;
1747 const State& s(getDrawingState());
1748 return s.active.transform.transform(Region(Rect(s.active.w, s.active.h)));
1751 Region outDirtyRegion;
1752 if (mQueuedFrames > 0 || mAutoRefresh) {
1754 // if we've already called updateTexImage() without going through
1755 // a composition step, we have to skip this layer at this point
1756 // because we cannot call updateTeximage() without a corresponding
1757 // compositionComplete() call.
1758 // we'll trigger an update in onPreComposition().
1759 if (mRefreshPending) {
1760 return outDirtyRegion;
1763 // Capture the old state of the layer for comparisons later
1764 const State& s(getDrawingState());
1765 const bool oldOpacity = isOpaque(s);
1766 sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer;
1768 struct Reject : public SurfaceFlingerConsumer::BufferRejecter {
1769 Layer::State& front;
1770 Layer::State& current;
1771 bool& recomputeVisibleRegions;
1772 bool stickyTransformSet;
1774 int32_t overrideScalingMode;
1776 Reject(Layer::State& front, Layer::State& current,
1777 bool& recomputeVisibleRegions, bool stickySet,
1779 int32_t overrideScalingMode)
1780 : front(front), current(current),
1781 recomputeVisibleRegions(recomputeVisibleRegions),
1782 stickyTransformSet(stickySet),
1784 overrideScalingMode(overrideScalingMode) {
1787 virtual bool reject(const sp<GraphicBuffer>& buf,
1788 const BufferItem& item) {
1793 uint32_t bufWidth = buf->getWidth();
1794 uint32_t bufHeight = buf->getHeight();
1796 // check that we received a buffer of the right size
1797 // (Take the buffer's orientation into account)
1798 if (item.mTransform & Transform::ROT_90) {
1799 swap(bufWidth, bufHeight);
1802 int actualScalingMode = overrideScalingMode >= 0 ?
1803 overrideScalingMode : item.mScalingMode;
1804 bool isFixedSize = actualScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
1805 if (front.active != front.requested) {
1808 (bufWidth == front.requested.w &&
1809 bufHeight == front.requested.h))
1811 // Here we pretend the transaction happened by updating the
1812 // current and drawing states. Drawing state is only accessed
1813 // in this thread, no need to have it locked
1814 front.active = front.requested;
1816 // We also need to update the current state so that
1817 // we don't end-up overwriting the drawing state with
1818 // this stale current state during the next transaction
1820 // NOTE: We don't need to hold the transaction lock here
1821 // because State::active is only accessed from this thread.
1822 current.active = front.active;
1824 // recompute visible region
1825 recomputeVisibleRegions = true;
1828 ALOGD_IF(DEBUG_RESIZE,
1829 "[%s] latchBuffer/reject: buffer (%ux%u, tr=%02x), scalingMode=%d\n"
1830 " drawing={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
1831 " requested={ wh={%4u,%4u} }}\n",
1833 bufWidth, bufHeight, item.mTransform, item.mScalingMode,
1834 front.active.w, front.active.h,
1839 front.crop.getWidth(),
1840 front.crop.getHeight(),
1841 front.requested.w, front.requested.h);
1844 if (!isFixedSize && !stickyTransformSet) {
1845 if (front.active.w != bufWidth ||
1846 front.active.h != bufHeight) {
1847 // reject this buffer
1848 ALOGE("[%s] rejecting buffer: "
1849 "bufWidth=%d, bufHeight=%d, front.active.{w=%d, h=%d}",
1850 name, bufWidth, bufHeight, front.active.w, front.active.h);
1855 // if the transparent region has changed (this test is
1856 // conservative, but that's fine, worst case we're doing
1857 // a bit of extra work), we latch the new one and we
1858 // trigger a visible-region recompute.
1859 if (!front.activeTransparentRegion.isTriviallyEqual(
1860 front.requestedTransparentRegion)) {
1861 front.activeTransparentRegion = front.requestedTransparentRegion;
1863 // We also need to update the current state so that
1864 // we don't end-up overwriting the drawing state with
1865 // this stale current state during the next transaction
1867 // NOTE: We don't need to hold the transaction lock here
1868 // because State::active is only accessed from this thread.
1869 current.activeTransparentRegion = front.activeTransparentRegion;
1871 // recompute visible region
1872 recomputeVisibleRegions = true;
1879 Reject r(mDrawingState, getCurrentState(), recomputeVisibleRegions,
1880 getProducerStickyTransform() != 0, mName.string(),
1881 mOverrideScalingMode);
1884 // Check all of our local sync points to ensure that all transactions
1885 // which need to have been applied prior to the frame which is about to
1886 // be latched have signaled
1888 auto headFrameNumber = getHeadFrameNumber();
1889 bool matchingFramesFound = false;
1890 bool allTransactionsApplied = true;
1892 Mutex::Autolock lock(mLocalSyncPointMutex);
1893 for (auto& point : mLocalSyncPoints) {
1894 if (point->getFrameNumber() > headFrameNumber) {
1898 matchingFramesFound = true;
1900 if (!point->frameIsAvailable()) {
1901 // We haven't notified the remote layer that the frame for
1902 // this point is available yet. Notify it now, and then
1903 // abort this attempt to latch.
1904 point->setFrameAvailable();
1905 allTransactionsApplied = false;
1909 allTransactionsApplied &= point->transactionIsApplied();
1913 if (matchingFramesFound && !allTransactionsApplied) {
1914 mFlinger->signalLayerUpdate();
1915 return outDirtyRegion;
1918 // This boolean is used to make sure that SurfaceFlinger's shadow copy
1919 // of the buffer queue isn't modified when the buffer queue is returning
1920 // BufferItem's that weren't actually queued. This can happen in shared
1922 bool queuedBuffer = false;
1923 status_t updateResult = mSurfaceFlingerConsumer->updateTexImage(&r,
1924 mFlinger->mPrimaryDispSync, &mAutoRefresh, &queuedBuffer,
1925 mLastFrameNumberReceived);
1926 if (updateResult == BufferQueue::PRESENT_LATER) {
1927 // Producer doesn't want buffer to be displayed yet. Signal a
1928 // layer update so we check again at the next opportunity.
1929 mFlinger->signalLayerUpdate();
1930 return outDirtyRegion;
1931 } else if (updateResult == SurfaceFlingerConsumer::BUFFER_REJECTED) {
1932 // If the buffer has been rejected, remove it from the shadow queue
1935 Mutex::Autolock lock(mQueueItemLock);
1936 mQueueItems.removeAt(0);
1937 android_atomic_dec(&mQueuedFrames);
1939 return outDirtyRegion;
1940 } else if (updateResult != NO_ERROR || mUpdateTexImageFailed) {
1941 // This can occur if something goes wrong when trying to create the
1942 // EGLImage for this buffer. If this happens, the buffer has already
1943 // been released, so we need to clean up the queue and bug out
1946 Mutex::Autolock lock(mQueueItemLock);
1947 mQueueItems.clear();
1948 android_atomic_and(0, &mQueuedFrames);
1951 // Once we have hit this state, the shadow queue may no longer
1952 // correctly reflect the incoming BufferQueue's contents, so even if
1953 // updateTexImage starts working, the only safe course of action is
1954 // to continue to ignore updates.
1955 mUpdateTexImageFailed = true;
1957 return outDirtyRegion;
1962 auto currentFrameNumber = mSurfaceFlingerConsumer->getFrameNumber();
1964 Mutex::Autolock lock(mQueueItemLock);
1966 // Remove any stale buffers that have been dropped during
1968 while (mQueueItems[0].mFrameNumber != currentFrameNumber) {
1969 mQueueItems.removeAt(0);
1970 android_atomic_dec(&mQueuedFrames);
1973 mQueueItems.removeAt(0);
1977 // Decrement the queued-frames count. Signal another event if we
1978 // have more frames pending.
1979 if ((queuedBuffer && android_atomic_dec(&mQueuedFrames) > 1)
1981 mFlinger->signalLayerUpdate();
1984 if (updateResult != NO_ERROR) {
1985 // something happened!
1986 recomputeVisibleRegions = true;
1987 return outDirtyRegion;
1990 // update the active buffer
1991 mActiveBuffer = mSurfaceFlingerConsumer->getCurrentBuffer();
1992 if (mActiveBuffer == NULL) {
1993 // this can only happen if the very first buffer was rejected.
1994 return outDirtyRegion;
1997 mRefreshPending = true;
1998 mFrameLatencyNeeded = true;
1999 if (oldActiveBuffer == NULL) {
2000 // the first time we receive a buffer, we need to trigger a
2001 // geometry invalidation.
2002 recomputeVisibleRegions = true;
2005 Rect crop(mSurfaceFlingerConsumer->getCurrentCrop());
2006 const uint32_t transform(mSurfaceFlingerConsumer->getCurrentTransform());
2007 const uint32_t scalingMode(mSurfaceFlingerConsumer->getCurrentScalingMode());
2008 if ((crop != mCurrentCrop) ||
2009 (transform != mCurrentTransform) ||
2010 (scalingMode != mCurrentScalingMode))
2012 mCurrentCrop = crop;
2013 mCurrentTransform = transform;
2014 mCurrentScalingMode = scalingMode;
2015 recomputeVisibleRegions = true;
2018 if (oldActiveBuffer != NULL) {
2019 uint32_t bufWidth = mActiveBuffer->getWidth();
2020 uint32_t bufHeight = mActiveBuffer->getHeight();
2021 if (bufWidth != uint32_t(oldActiveBuffer->width) ||
2022 bufHeight != uint32_t(oldActiveBuffer->height)) {
2023 recomputeVisibleRegions = true;
2027 mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format);
2028 if (oldOpacity != isOpaque(s)) {
2029 recomputeVisibleRegions = true;
2032 mCurrentFrameNumber = mSurfaceFlingerConsumer->getFrameNumber();
2034 // Remove any sync points corresponding to the buffer which was just
2037 Mutex::Autolock lock(mLocalSyncPointMutex);
2038 auto point = mLocalSyncPoints.begin();
2039 while (point != mLocalSyncPoints.end()) {
2040 if (!(*point)->frameIsAvailable() ||
2041 !(*point)->transactionIsApplied()) {
2042 // This sync point must have been added since we started
2043 // latching. Don't drop it yet.
2048 if ((*point)->getFrameNumber() <= mCurrentFrameNumber) {
2049 point = mLocalSyncPoints.erase(point);
2056 // FIXME: postedRegion should be dirty & bounds
2057 Region dirtyRegion(Rect(s.active.w, s.active.h));
2059 // transform the dirty region to window-manager space
2060 outDirtyRegion = (s.active.transform.transform(dirtyRegion));
2062 return outDirtyRegion;
2065 uint32_t Layer::getEffectiveUsage(uint32_t usage) const
2067 // TODO: should we do something special if mSecure is set?
2068 if (mProtectedByApp) {
2069 // need a hardware-protected path to external video sink
2070 usage |= GraphicBuffer::USAGE_PROTECTED;
2072 if (mPotentialCursor) {
2073 usage |= GraphicBuffer::USAGE_CURSOR;
2075 usage |= GraphicBuffer::USAGE_HW_COMPOSER;
2079 void Layer::updateTransformHint(const sp<const DisplayDevice>& hw) const {
2080 uint32_t orientation = 0;
2081 if (!mFlinger->mDebugDisableTransformHint) {
2082 // The transform hint is used to improve performance, but we can
2083 // only have a single transform hint, it cannot
2084 // apply to all displays.
2085 const Transform& planeTransform(hw->getTransform());
2086 orientation = planeTransform.getOrientation();
2087 if (orientation & Transform::ROT_INVALID) {
2091 mSurfaceFlingerConsumer->setTransformHint(orientation);
2094 // ----------------------------------------------------------------------------
2096 // ----------------------------------------------------------------------------
2098 void Layer::dump(String8& result, Colorizer& colorizer) const
2100 const Layer::State& s(getDrawingState());
2102 colorizer.colorize(result, Colorizer::GREEN);
2103 result.appendFormat(
2105 getTypeId(), this, getName().string());
2106 colorizer.reset(result);
2108 s.activeTransparentRegion.dump(result, "transparentRegion");
2109 visibleRegion.dump(result, "visibleRegion");
2110 surfaceDamageRegion.dump(result, "surfaceDamageRegion");
2111 sp<Client> client(mClientRef.promote());
2113 result.appendFormat( " "
2114 "layerStack=%4d, z=%9d, pos=(%g,%g), size=(%4d,%4d), "
2115 "crop=(%4d,%4d,%4d,%4d), finalCrop=(%4d,%4d,%4d,%4d), "
2116 "isOpaque=%1d, invalidate=%1d, "
2118 "alpha=%.3f, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n"
2120 "alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n"
2123 s.layerStack, s.z, s.active.transform.tx(), s.active.transform.ty(), s.active.w, s.active.h,
2124 s.crop.left, s.crop.top,
2125 s.crop.right, s.crop.bottom,
2126 s.finalCrop.left, s.finalCrop.top,
2127 s.finalCrop.right, s.finalCrop.bottom,
2128 isOpaque(s), contentDirty,
2130 s.active.transform[0][0], s.active.transform[0][1],
2131 s.active.transform[1][0], s.active.transform[1][1],
2134 sp<const GraphicBuffer> buf0(mActiveBuffer);
2135 uint32_t w0=0, h0=0, s0=0, f0=0;
2137 w0 = buf0->getWidth();
2138 h0 = buf0->getHeight();
2139 s0 = buf0->getStride();
2142 result.appendFormat(
2144 "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
2145 " queued-frames=%d, mRefreshPending=%d\n",
2146 mFormat, w0, h0, s0,f0,
2147 mQueuedFrames, mRefreshPending);
2149 if (mSurfaceFlingerConsumer != 0) {
2150 mSurfaceFlingerConsumer->dump(result, " ");
2154 void Layer::dumpFrameStats(String8& result) const {
2155 mFrameTracker.dumpStats(result);
2158 void Layer::clearFrameStats() {
2159 mFrameTracker.clearStats();
2162 void Layer::logFrameStats() {
2163 mFrameTracker.logAndResetStats(mName);
2166 void Layer::getFrameStats(FrameStats* outStats) const {
2167 mFrameTracker.getStats(outStats);
2170 void Layer::getFenceData(String8* outName, uint64_t* outFrameNumber,
2171 bool* outIsGlesComposition, nsecs_t* outPostedTime,
2172 sp<Fence>* outAcquireFence, sp<Fence>* outPrevReleaseFence) const {
2174 *outFrameNumber = mSurfaceFlingerConsumer->getFrameNumber();
2177 *outIsGlesComposition = mHwcLayers.count(HWC_DISPLAY_PRIMARY) ?
2178 mHwcLayers.at(HWC_DISPLAY_PRIMARY).compositionType ==
2179 HWC2::Composition::Client : true;
2181 *outIsGlesComposition = mIsGlesComposition;
2183 *outPostedTime = mSurfaceFlingerConsumer->getTimestamp();
2184 *outAcquireFence = mSurfaceFlingerConsumer->getCurrentFence();
2185 *outPrevReleaseFence = mSurfaceFlingerConsumer->getPrevReleaseFence();
2187 // ---------------------------------------------------------------------------
2189 Layer::LayerCleaner::LayerCleaner(const sp<SurfaceFlinger>& flinger,
2190 const sp<Layer>& layer)
2191 : mFlinger(flinger), mLayer(layer) {
2194 Layer::LayerCleaner::~LayerCleaner() {
2195 // destroy client resources
2196 mFlinger->onLayerDestroyed(mLayer);
2199 // ---------------------------------------------------------------------------
2200 }; // namespace android
2202 #if defined(__gl_h_)
2203 #error "don't include gl/gl.h in this file"
2206 #if defined(__gl2_h_)
2207 #error "don't include gl2/gl2.h in this file"