2 * Copyright (C) 2017 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 // TODO(b/129481165): remove the #pragma below and fix conversion issues
18 #pragma clang diagnostic push
19 #pragma clang diagnostic ignored "-Wconversion"
21 //#define LOG_NDEBUG 0
23 #define LOG_TAG "BufferLayer"
24 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
26 #include "BufferLayer.h"
28 #include <compositionengine/CompositionEngine.h>
29 #include <compositionengine/LayerFECompositionState.h>
30 #include <compositionengine/OutputLayer.h>
31 #include <compositionengine/impl/OutputLayerCompositionState.h>
32 #include <cutils/compiler.h>
33 #include <cutils/native_handle.h>
34 #include <cutils/properties.h>
35 #include <gui/BufferItem.h>
36 #include <gui/BufferQueue.h>
37 #include <gui/GLConsumer.h>
38 #include <gui/LayerDebugInfo.h>
39 #include <gui/Surface.h>
40 #include <renderengine/RenderEngine.h>
41 #include <ui/DebugUtils.h>
42 #include <utils/Errors.h>
43 #include <utils/Log.h>
44 #include <utils/NativeHandle.h>
45 #include <utils/StopWatch.h>
46 #include <utils/Trace.h>
53 #include "Colorizer.h"
54 #include "DisplayDevice.h"
55 #include "FrameTracer/FrameTracer.h"
56 #include "LayerRejecter.h"
57 #include "TimeStats/TimeStats.h"
61 using gui::WindowInfo;
63 static constexpr float defaultMaxLuminance = 1000.0;
65 BufferLayer::BufferLayer(const LayerCreationArgs& args)
67 mTextureName(args.textureName),
68 mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {
69 ALOGV("Creating Layer %s", getDebugName());
71 mPremultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
73 mPotentialCursor = args.flags & ISurfaceComposerClient::eCursorWindow;
74 mProtectedByApp = args.flags & ISurfaceComposerClient::eProtectedByApp;
77 BufferLayer::~BufferLayer() {
79 // The original layer and the clone layer share the same texture. Therefore, only one of
80 // the layers, in this case the original layer, needs to handle the deletion. The original
81 // layer and the clone should be removed at the same time so there shouldn't be any issue
82 // with the clone layer trying to use the deleted texture.
83 mFlinger->deleteTextureAsync(mTextureName);
85 const int32_t layerId = getSequence();
86 mFlinger->mTimeStats->onDestroy(layerId);
87 mFlinger->mFrameTracer->onDestroy(layerId);
90 void BufferLayer::useSurfaceDamage() {
91 if (mFlinger->mForceFullDamage) {
92 surfaceDamageRegion = Region::INVALID_REGION;
94 surfaceDamageRegion = mBufferInfo.mSurfaceDamage;
98 void BufferLayer::useEmptyDamage() {
99 surfaceDamageRegion.clear();
102 bool BufferLayer::isOpaque(const Layer::State& s) const {
103 // if we don't have a buffer or sidebandStream yet, we're translucent regardless of the
104 // layer's opaque flag.
105 if ((mSidebandStream == nullptr) && (mBufferInfo.mBuffer == nullptr)) {
109 // if the layer has the opaque flag, then we're always opaque,
110 // otherwise we use the current buffer's format.
111 return ((s.flags & layer_state_t::eLayerOpaque) != 0) || getOpacityForFormat(getPixelFormat());
114 bool BufferLayer::isVisible() const {
115 return !isHiddenByPolicy() && getAlpha() > 0.0f &&
116 (mBufferInfo.mBuffer != nullptr || mSidebandStream != nullptr);
119 bool BufferLayer::isFixedSize() const {
120 return getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE;
123 bool BufferLayer::usesSourceCrop() const {
127 static constexpr mat4 inverseOrientation(uint32_t transform) {
128 const mat4 flipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
129 const mat4 flipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1);
130 const mat4 rot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
133 if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
136 if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
139 if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
145 std::optional<compositionengine::LayerFE::LayerSettings> BufferLayer::prepareClientComposition(
146 compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
149 std::optional<compositionengine::LayerFE::LayerSettings> result =
150 Layer::prepareClientComposition(targetSettings);
155 if (CC_UNLIKELY(mBufferInfo.mBuffer == 0)) {
156 // the texture has not been created yet, this Layer has
157 // in fact never been drawn into. This happens frequently with
158 // SurfaceView because the WindowManager can't know when the client
159 // has drawn the first time.
161 // If there is nothing under us, we paint the screen in black, otherwise
162 // we just skip this update.
164 // figure out if there is something below us
166 bool finished = false;
167 mFlinger->mDrawingState.traverseInZOrder([&](Layer* layer) {
168 if (finished || layer == static_cast<BufferLayer const*>(this)) {
173 under.orSelf(layer->getScreenBounds());
175 // if not everything below us is covered, we plug the holes!
176 Region holes(targetSettings.clip.subtract(under));
177 if (!holes.isEmpty()) {
178 targetSettings.clearRegion.orSelf(holes);
181 if (mSidebandStream != nullptr) {
182 // For surfaceview of tv sideband, there is no activeBuffer
183 // in bufferqueue, we need return LayerSettings.
189 const bool blackOutLayer = (isProtected() && !targetSettings.supportsProtectedContent) ||
190 ((isSecure() || isProtected()) && !targetSettings.isSecure);
191 const bool bufferCanBeUsedAsHwTexture =
192 mBufferInfo.mBuffer->getBuffer()->getUsage() & GraphicBuffer::USAGE_HW_TEXTURE;
193 compositionengine::LayerFE::LayerSettings& layer = *result;
194 if (blackOutLayer || !bufferCanBeUsedAsHwTexture) {
195 ALOGE_IF(!bufferCanBeUsedAsHwTexture, "%s is blacked out as buffer is not gpu readable",
197 prepareClearClientComposition(layer, true /* blackout */);
201 const State& s(getDrawingState());
202 layer.source.buffer.buffer = mBufferInfo.mBuffer;
203 layer.source.buffer.isOpaque = isOpaque(s);
204 layer.source.buffer.fence = mBufferInfo.mFence;
205 layer.source.buffer.textureName = mTextureName;
206 layer.source.buffer.usePremultipliedAlpha = getPremultipledAlpha();
207 layer.source.buffer.isY410BT2020 = isHdrY410();
208 bool hasSmpte2086 = mBufferInfo.mHdrMetadata.validTypes & HdrMetadata::SMPTE2086;
209 bool hasCta861_3 = mBufferInfo.mHdrMetadata.validTypes & HdrMetadata::CTA861_3;
210 float maxLuminance = 0.f;
211 if (hasSmpte2086 && hasCta861_3) {
212 maxLuminance = std::min(mBufferInfo.mHdrMetadata.smpte2086.maxLuminance,
213 mBufferInfo.mHdrMetadata.cta8613.maxContentLightLevel);
214 } else if (hasSmpte2086) {
215 maxLuminance = mBufferInfo.mHdrMetadata.smpte2086.maxLuminance;
216 } else if (hasCta861_3) {
217 maxLuminance = mBufferInfo.mHdrMetadata.cta8613.maxContentLightLevel;
219 switch (layer.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) {
220 case HAL_DATASPACE_TRANSFER_ST2084:
221 case HAL_DATASPACE_TRANSFER_HLG:
222 // Behavior-match previous releases for HDR content
223 maxLuminance = defaultMaxLuminance;
227 layer.source.buffer.maxLuminanceNits = maxLuminance;
228 layer.frameNumber = mCurrentFrameNumber;
229 layer.bufferId = mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer()->getId() : 0;
231 const bool useFiltering =
232 targetSettings.needsFiltering || mNeedsFiltering || bufferNeedsFiltering();
234 // Query the texture matrix given our current filtering mode.
235 float textureMatrix[16];
236 getDrawingTransformMatrix(useFiltering, textureMatrix);
238 if (getTransformToDisplayInverse()) {
240 * the code below applies the primary display's inverse transform to
241 * the texture transform
243 uint32_t transform = DisplayDevice::getPrimaryDisplayRotationFlags();
244 mat4 tr = inverseOrientation(transform);
247 * TODO(b/36727915): This is basically a hack.
249 * Ensure that regardless of the parent transformation,
250 * this buffer is always transformed from native display
251 * orientation to display orientation. For example, in the case
252 * of a camera where the buffer remains in native orientation,
253 * we want the pixels to always be upright.
255 sp<Layer> p = mDrawingParent.promote();
257 const auto parentTransform = p->getTransform();
258 tr = tr * inverseOrientation(parentTransform.getOrientation());
261 // and finally apply it to the original texture matrix
262 const mat4 texTransform(mat4(static_cast<const float*>(textureMatrix)) * tr);
263 memcpy(textureMatrix, texTransform.asArray(), sizeof(textureMatrix));
266 const Rect win{getBounds()};
267 float bufferWidth = getBufferSize(s).getWidth();
268 float bufferHeight = getBufferSize(s).getHeight();
270 // BufferStateLayers can have a "buffer size" of [0, 0, -1, -1] when no display frame has
271 // been set and there is no parent layer bounds. In that case, the scale is meaningless so
273 if (!getBufferSize(s).isValid()) {
274 bufferWidth = float(win.right) - float(win.left);
275 bufferHeight = float(win.bottom) - float(win.top);
278 const float scaleHeight = (float(win.bottom) - float(win.top)) / bufferHeight;
279 const float scaleWidth = (float(win.right) - float(win.left)) / bufferWidth;
280 const float translateY = float(win.top) / bufferHeight;
281 const float translateX = float(win.left) / bufferWidth;
283 // Flip y-coordinates because GLConsumer expects OpenGL convention.
284 mat4 tr = mat4::translate(vec4(.5, .5, 0, 1)) * mat4::scale(vec4(1, -1, 1, 1)) *
285 mat4::translate(vec4(-.5, -.5, 0, 1)) *
286 mat4::translate(vec4(translateX, translateY, 0, 1)) *
287 mat4::scale(vec4(scaleWidth, scaleHeight, 1.0, 1.0));
289 layer.source.buffer.useTextureFiltering = useFiltering;
290 layer.source.buffer.textureTransform = mat4(static_cast<const float*>(textureMatrix)) * tr;
295 bool BufferLayer::isHdrY410() const {
296 // pixel format is HDR Y410 masquerading as RGBA_1010102
297 return (mBufferInfo.mDataspace == ui::Dataspace::BT2020_ITU_PQ &&
298 mBufferInfo.mApi == NATIVE_WINDOW_API_MEDIA &&
299 mBufferInfo.mPixelFormat == HAL_PIXEL_FORMAT_RGBA_1010102);
302 sp<compositionengine::LayerFE> BufferLayer::getCompositionEngineLayerFE() const {
306 compositionengine::LayerFECompositionState* BufferLayer::editCompositionState() {
307 return mCompositionState.get();
310 const compositionengine::LayerFECompositionState* BufferLayer::getCompositionState() const {
311 return mCompositionState.get();
314 void BufferLayer::preparePerFrameCompositionState() {
315 Layer::preparePerFrameCompositionState();
318 auto* compositionState = editCompositionState();
319 if (compositionState->sidebandStream.get()) {
320 compositionState->compositionType = Hwc2::IComposerClient::Composition::SIDEBAND;
323 // Normal buffer layers
324 compositionState->hdrMetadata = mBufferInfo.mHdrMetadata;
325 compositionState->compositionType = mPotentialCursor
326 ? Hwc2::IComposerClient::Composition::CURSOR
327 : Hwc2::IComposerClient::Composition::DEVICE;
330 compositionState->buffer = mBufferInfo.mBuffer->getBuffer();
331 compositionState->bufferSlot = (mBufferInfo.mBufferSlot == BufferQueue::INVALID_BUFFER_SLOT)
333 : mBufferInfo.mBufferSlot;
334 compositionState->acquireFence = mBufferInfo.mFence;
337 bool BufferLayer::onPreComposition(nsecs_t refreshStartTime) {
338 if (mBufferInfo.mBuffer != nullptr) {
339 Mutex::Autolock lock(mFrameEventHistoryMutex);
340 mFrameEventHistory.addPreComposition(mCurrentFrameNumber, refreshStartTime);
342 mRefreshPending = false;
343 return hasReadyFrame();
346 TimeStats::SetFrameRateVote frameRateToSetFrameRateVotePayload(Layer::FrameRate frameRate) {
347 using FrameRateCompatibility = TimeStats::SetFrameRateVote::FrameRateCompatibility;
348 using Seamlessness = TimeStats::SetFrameRateVote::Seamlessness;
349 const auto frameRateCompatibility = [frameRate] {
350 switch (frameRate.type) {
351 case Layer::FrameRateCompatibility::Default:
352 return FrameRateCompatibility::Default;
353 case Layer::FrameRateCompatibility::ExactOrMultiple:
354 return FrameRateCompatibility::ExactOrMultiple;
356 return FrameRateCompatibility::Undefined;
360 const auto seamlessness = [frameRate] {
361 switch (frameRate.seamlessness) {
362 case scheduler::Seamlessness::OnlySeamless:
363 return Seamlessness::ShouldBeSeamless;
364 case scheduler::Seamlessness::SeamedAndSeamless:
365 return Seamlessness::NotRequired;
367 return Seamlessness::Undefined;
371 return TimeStats::SetFrameRateVote{.frameRate = frameRate.rate.getValue(),
372 .frameRateCompatibility = frameRateCompatibility,
373 .seamlessness = seamlessness};
377 bool BufferLayer::onPostComposition(const DisplayDevice* display,
378 const std::shared_ptr<FenceTime>& glDoneFence,
379 const std::shared_ptr<FenceTime>& presentFence,
380 const CompositorTiming& compositorTiming) {
381 // mFrameLatencyNeeded is true when a new frame was latched for the
383 if (!mBufferInfo.mFrameLatencyNeeded) return false;
385 // Update mFrameEventHistory.
387 Mutex::Autolock lock(mFrameEventHistoryMutex);
388 mFrameEventHistory.addPostComposition(mCurrentFrameNumber, glDoneFence, presentFence,
390 finalizeFrameEventHistory(glDoneFence, compositorTiming);
393 // Update mFrameTracker.
394 nsecs_t desiredPresentTime = mBufferInfo.mDesiredPresentTime;
395 mFrameTracker.setDesiredPresentTime(desiredPresentTime);
397 const int32_t layerId = getSequence();
398 mFlinger->mTimeStats->setDesiredTime(layerId, mCurrentFrameNumber, desiredPresentTime);
400 const auto outputLayer = findOutputLayerForDisplay(display);
401 if (outputLayer && outputLayer->requiresClientComposition()) {
402 nsecs_t clientCompositionTimestamp = outputLayer->getState().clientCompositionTimestamp;
403 mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(), mCurrentFrameNumber,
404 clientCompositionTimestamp,
405 FrameTracer::FrameEvent::FALLBACK_COMPOSITION);
406 // Update the SurfaceFrames in the drawing state
407 if (mDrawingState.bufferSurfaceFrameTX) {
408 mDrawingState.bufferSurfaceFrameTX->setGpuComposition();
410 for (auto& [token, surfaceFrame] : mDrawingState.bufferlessSurfaceFramesTX) {
411 surfaceFrame->setGpuComposition();
415 std::shared_ptr<FenceTime> frameReadyFence = mBufferInfo.mFenceTime;
416 if (frameReadyFence->isValid()) {
417 mFrameTracker.setFrameReadyFence(std::move(frameReadyFence));
419 // There was no fence for this frame, so assume that it was ready
420 // to be presented at the desired present time.
421 mFrameTracker.setFrameReadyTime(desiredPresentTime);
425 const Fps refreshRate = display->refreshRateConfigs().getCurrentRefreshRate().getFps();
426 const std::optional<Fps> renderRate =
427 mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
428 if (presentFence->isValid()) {
429 mFlinger->mTimeStats->setPresentFence(layerId, mCurrentFrameNumber, presentFence,
430 refreshRate, renderRate,
431 frameRateToSetFrameRateVotePayload(
432 mDrawingState.frameRate),
434 mFlinger->mFrameTracer->traceFence(layerId, getCurrentBufferId(), mCurrentFrameNumber,
436 FrameTracer::FrameEvent::PRESENT_FENCE);
437 mFrameTracker.setActualPresentFence(std::shared_ptr<FenceTime>(presentFence));
438 } else if (const auto displayId = PhysicalDisplayId::tryCast(display->getId());
439 displayId && mFlinger->getHwComposer().isConnected(*displayId)) {
440 // The HWC doesn't support present fences, so use the refresh
441 // timestamp instead.
442 const nsecs_t actualPresentTime = display->getRefreshTimestamp();
443 mFlinger->mTimeStats->setPresentTime(layerId, mCurrentFrameNumber, actualPresentTime,
444 refreshRate, renderRate,
445 frameRateToSetFrameRateVotePayload(
446 mDrawingState.frameRate),
448 mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(),
449 mCurrentFrameNumber, actualPresentTime,
450 FrameTracer::FrameEvent::PRESENT_FENCE);
451 mFrameTracker.setActualPresentTime(actualPresentTime);
455 mFrameTracker.advanceFrame();
456 mBufferInfo.mFrameLatencyNeeded = false;
460 void BufferLayer::gatherBufferInfo() {
461 mBufferInfo.mPixelFormat =
462 !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->getBuffer()->format;
463 mBufferInfo.mFrameLatencyNeeded = true;
466 bool BufferLayer::shouldPresentNow(nsecs_t expectedPresentTime) const {
467 // If this is not a valid vsync for the layer's uid, return and try again later
468 const bool isVsyncValidForUid =
469 mFlinger->mScheduler->isVsyncValid(expectedPresentTime, mOwnerUid);
470 if (!isVsyncValidForUid) {
471 ATRACE_NAME("!isVsyncValidForUid");
475 // AutoRefresh layers and sideband streams should always be presented
476 if (getSidebandStreamChanged() || getAutoRefresh()) {
480 // If this layer doesn't have a frame is shouldn't be presented
481 if (!hasFrameUpdate()) {
485 // Defer to the derived class to decide whether the next buffer is due for
487 return isBufferDue(expectedPresentTime);
490 bool BufferLayer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
491 nsecs_t expectedPresentTime) {
494 bool refreshRequired = latchSidebandStream(recomputeVisibleRegions);
496 if (refreshRequired) {
497 return refreshRequired;
500 if (!hasReadyFrame()) {
504 // if we've already called updateTexImage() without going through
505 // a composition step, we have to skip this layer at this point
506 // because we cannot call updateTeximage() without a corresponding
507 // compositionComplete() call.
508 // we'll trigger an update in onPreComposition().
509 if (mRefreshPending) {
513 // If the head buffer's acquire fence hasn't signaled yet, return and
515 if (!fenceHasSignaled()) {
516 ATRACE_NAME("!fenceHasSignaled()");
517 mFlinger->signalLayerUpdate();
521 // Capture the old state of the layer for comparisons later
522 const State& s(getDrawingState());
523 const bool oldOpacity = isOpaque(s);
525 BufferInfo oldBufferInfo = mBufferInfo;
527 status_t err = updateTexImage(recomputeVisibleRegions, latchTime, expectedPresentTime);
528 if (err != NO_ERROR) {
532 err = updateActiveBuffer();
533 if (err != NO_ERROR) {
537 err = updateFrameNumber(latchTime);
538 if (err != NO_ERROR) {
544 mRefreshPending = true;
545 if (oldBufferInfo.mBuffer == nullptr) {
546 // the first time we receive a buffer, we need to trigger a
547 // geometry invalidation.
548 recomputeVisibleRegions = true;
551 if ((mBufferInfo.mCrop != oldBufferInfo.mCrop) ||
552 (mBufferInfo.mTransform != oldBufferInfo.mTransform) ||
553 (mBufferInfo.mScaleMode != oldBufferInfo.mScaleMode) ||
554 (mBufferInfo.mTransformToDisplayInverse != oldBufferInfo.mTransformToDisplayInverse)) {
555 recomputeVisibleRegions = true;
558 if (oldBufferInfo.mBuffer != nullptr) {
559 uint32_t bufWidth = mBufferInfo.mBuffer->getBuffer()->getWidth();
560 uint32_t bufHeight = mBufferInfo.mBuffer->getBuffer()->getHeight();
561 if (bufWidth != uint32_t(oldBufferInfo.mBuffer->getBuffer()->width) ||
562 bufHeight != uint32_t(oldBufferInfo.mBuffer->getBuffer()->height)) {
563 recomputeVisibleRegions = true;
567 if (oldOpacity != isOpaque(s)) {
568 recomputeVisibleRegions = true;
574 bool BufferLayer::hasReadyFrame() const {
575 return hasFrameUpdate() || getSidebandStreamChanged() || getAutoRefresh();
578 uint32_t BufferLayer::getEffectiveScalingMode() const {
579 return mBufferInfo.mScaleMode;
582 bool BufferLayer::isProtected() const {
583 return (mBufferInfo.mBuffer != nullptr) &&
584 (mBufferInfo.mBuffer->getBuffer()->getUsage() & GRALLOC_USAGE_PROTECTED);
587 // As documented in libhardware header, formats in the range
588 // 0x100 - 0x1FF are specific to the HAL implementation, and
589 // are known to have no alpha channel
590 // TODO: move definition for device-specific range into
591 // hardware.h, instead of using hard-coded values here.
592 #define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
594 bool BufferLayer::getOpacityForFormat(uint32_t format) {
595 if (HARDWARE_IS_DEVICE_FORMAT(format)) {
599 case HAL_PIXEL_FORMAT_RGBA_8888:
600 case HAL_PIXEL_FORMAT_BGRA_8888:
601 case HAL_PIXEL_FORMAT_RGBA_FP16:
602 case HAL_PIXEL_FORMAT_RGBA_1010102:
605 // in all other case, we have no blending (also for unknown formats)
609 bool BufferLayer::needsFiltering(const DisplayDevice* display) const {
610 const auto outputLayer = findOutputLayerForDisplay(display);
611 if (outputLayer == nullptr) {
615 // We need filtering if the sourceCrop rectangle size does not match the
616 // displayframe rectangle size (not a 1:1 render)
617 const auto& compositionState = outputLayer->getState();
618 const auto displayFrame = compositionState.displayFrame;
619 const auto sourceCrop = compositionState.sourceCrop;
620 return sourceCrop.getHeight() != displayFrame.getHeight() ||
621 sourceCrop.getWidth() != displayFrame.getWidth();
624 bool BufferLayer::needsFilteringForScreenshots(const DisplayDevice* display,
625 const ui::Transform& inverseParentTransform) const {
626 const auto outputLayer = findOutputLayerForDisplay(display);
627 if (outputLayer == nullptr) {
631 // We need filtering if the sourceCrop rectangle size does not match the
632 // viewport rectangle size (not a 1:1 render)
633 const auto& compositionState = outputLayer->getState();
634 const ui::Transform& displayTransform = display->getTransform();
635 const ui::Transform inverseTransform = inverseParentTransform * displayTransform.inverse();
636 // Undo the transformation of the displayFrame so that we're back into
637 // layer-stack space.
638 const Rect frame = inverseTransform.transform(compositionState.displayFrame);
639 const FloatRect sourceCrop = compositionState.sourceCrop;
641 int32_t frameHeight = frame.getHeight();
642 int32_t frameWidth = frame.getWidth();
643 // If the display transform had a rotational component then undo the
644 // rotation so that the orientation matches the source crop.
645 if (displayTransform.getOrientation() & ui::Transform::ROT_90) {
646 std::swap(frameHeight, frameWidth);
648 return sourceCrop.getHeight() != frameHeight || sourceCrop.getWidth() != frameWidth;
651 uint64_t BufferLayer::getHeadFrameNumber(nsecs_t expectedPresentTime) const {
652 if (hasFrameUpdate()) {
653 return getFrameNumber(expectedPresentTime);
655 return mCurrentFrameNumber;
659 Rect BufferLayer::getBufferSize(const State& s) const {
660 // If we have a sideband stream, or we are scaling the buffer then return the layer size since
661 // we cannot determine the buffer size.
662 if ((s.sidebandStream != nullptr) ||
663 (getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE)) {
664 return Rect(getActiveWidth(s), getActiveHeight(s));
667 if (mBufferInfo.mBuffer == nullptr) {
668 return Rect::INVALID_RECT;
671 uint32_t bufWidth = mBufferInfo.mBuffer->getBuffer()->getWidth();
672 uint32_t bufHeight = mBufferInfo.mBuffer->getBuffer()->getHeight();
674 // Undo any transformations on the buffer and return the result.
675 if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
676 std::swap(bufWidth, bufHeight);
679 if (getTransformToDisplayInverse()) {
680 uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
681 if (invTransform & ui::Transform::ROT_90) {
682 std::swap(bufWidth, bufHeight);
686 return Rect(bufWidth, bufHeight);
689 FloatRect BufferLayer::computeSourceBounds(const FloatRect& parentBounds) const {
690 const State& s(getDrawingState());
692 // If we have a sideband stream, or we are scaling the buffer then return the layer size since
693 // we cannot determine the buffer size.
694 if ((s.sidebandStream != nullptr) ||
695 (getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE)) {
696 return FloatRect(0, 0, getActiveWidth(s), getActiveHeight(s));
699 if (mBufferInfo.mBuffer == nullptr) {
703 uint32_t bufWidth = mBufferInfo.mBuffer->getBuffer()->getWidth();
704 uint32_t bufHeight = mBufferInfo.mBuffer->getBuffer()->getHeight();
706 // Undo any transformations on the buffer and return the result.
707 if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
708 std::swap(bufWidth, bufHeight);
711 if (getTransformToDisplayInverse()) {
712 uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
713 if (invTransform & ui::Transform::ROT_90) {
714 std::swap(bufWidth, bufHeight);
718 return FloatRect(0, 0, bufWidth, bufHeight);
721 void BufferLayer::latchAndReleaseBuffer() {
722 mRefreshPending = false;
723 if (hasReadyFrame()) {
724 bool ignored = false;
725 latchBuffer(ignored, systemTime(), 0 /* expectedPresentTime */);
727 releasePendingBuffer(systemTime());
730 PixelFormat BufferLayer::getPixelFormat() const {
731 return mBufferInfo.mPixelFormat;
734 bool BufferLayer::getTransformToDisplayInverse() const {
735 return mBufferInfo.mTransformToDisplayInverse;
738 Rect BufferLayer::getBufferCrop() const {
739 // this is the crop rectangle that applies to the buffer
740 // itself (as opposed to the window)
741 if (!mBufferInfo.mCrop.isEmpty()) {
742 // if the buffer crop is defined, we use that
743 return mBufferInfo.mCrop;
744 } else if (mBufferInfo.mBuffer != nullptr) {
745 // otherwise we use the whole buffer
746 return mBufferInfo.mBuffer->getBuffer()->getBounds();
748 // if we don't have a buffer yet, we use an empty/invalid crop
753 uint32_t BufferLayer::getBufferTransform() const {
754 return mBufferInfo.mTransform;
757 ui::Dataspace BufferLayer::getDataSpace() const {
758 return mBufferInfo.mDataspace;
761 ui::Dataspace BufferLayer::translateDataspace(ui::Dataspace dataspace) {
762 ui::Dataspace updatedDataspace = dataspace;
763 // translate legacy dataspaces to modern dataspaces
765 case ui::Dataspace::SRGB:
766 updatedDataspace = ui::Dataspace::V0_SRGB;
768 case ui::Dataspace::SRGB_LINEAR:
769 updatedDataspace = ui::Dataspace::V0_SRGB_LINEAR;
771 case ui::Dataspace::JFIF:
772 updatedDataspace = ui::Dataspace::V0_JFIF;
774 case ui::Dataspace::BT601_625:
775 updatedDataspace = ui::Dataspace::V0_BT601_625;
777 case ui::Dataspace::BT601_525:
778 updatedDataspace = ui::Dataspace::V0_BT601_525;
780 case ui::Dataspace::BT709:
781 updatedDataspace = ui::Dataspace::V0_BT709;
787 return updatedDataspace;
790 sp<GraphicBuffer> BufferLayer::getBuffer() const {
791 return mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer() : nullptr;
794 void BufferLayer::getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]) {
795 GLConsumer::computeTransformMatrix(outMatrix,
796 mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer()
798 mBufferInfo.mCrop, mBufferInfo.mTransform, filteringEnabled);
801 void BufferLayer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
802 Layer::setInitialValuesForClone(clonedFrom);
804 sp<BufferLayer> bufferClonedFrom = static_cast<BufferLayer*>(clonedFrom.get());
805 mPremultipliedAlpha = bufferClonedFrom->mPremultipliedAlpha;
806 mPotentialCursor = bufferClonedFrom->mPotentialCursor;
807 mProtectedByApp = bufferClonedFrom->mProtectedByApp;
809 updateCloneBufferInfo();
812 void BufferLayer::updateCloneBufferInfo() {
813 if (!isClone() || !isClonedFromAlive()) {
817 sp<BufferLayer> clonedFrom = static_cast<BufferLayer*>(getClonedFrom().get());
818 mBufferInfo = clonedFrom->mBufferInfo;
819 mSidebandStream = clonedFrom->mSidebandStream;
820 surfaceDamageRegion = clonedFrom->surfaceDamageRegion;
821 mCurrentFrameNumber = clonedFrom->mCurrentFrameNumber.load();
822 mPreviousFrameNumber = clonedFrom->mPreviousFrameNumber;
824 // After buffer info is updated, the drawingState from the real layer needs to be copied into
825 // the cloned. This is because some properties of drawingState can change when latchBuffer is
826 // called. However, copying the drawingState would also overwrite the cloned layer's relatives
827 // and touchableRegionCrop. Therefore, temporarily store the relatives so they can be set in
828 // the cloned drawingState again.
829 wp<Layer> tmpZOrderRelativeOf = mDrawingState.zOrderRelativeOf;
830 SortedVector<wp<Layer>> tmpZOrderRelatives = mDrawingState.zOrderRelatives;
831 wp<Layer> tmpTouchableRegionCrop = mDrawingState.touchableRegionCrop;
832 WindowInfo tmpInputInfo = mDrawingState.inputInfo;
834 cloneDrawingState(clonedFrom.get());
836 mDrawingState.touchableRegionCrop = tmpTouchableRegionCrop;
837 mDrawingState.zOrderRelativeOf = tmpZOrderRelativeOf;
838 mDrawingState.zOrderRelatives = tmpZOrderRelatives;
839 mDrawingState.inputInfo = tmpInputInfo;
842 void BufferLayer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
843 mTransformHint = getFixedTransformHint();
844 if (mTransformHint == ui::Transform::ROT_INVALID) {
845 mTransformHint = displayTransformHint;
849 bool BufferLayer::bufferNeedsFiltering() const {
850 return isFixedSize();
853 } // namespace android
856 #error "don't include gl/gl.h in this file"
859 #if defined(__gl2_h_)
860 #error "don't include gl2/gl2.h in this file"
863 // TODO(b/129481165): remove the #pragma below and fix conversion issues
864 #pragma clang diagnostic pop // ignored "-Wconversion"