4ceff3d5ef
specifically when the display size and the screenshot window size didn't match, the buffer would be rejected. We simply fix this by setting the scalling mode to "SCALE_TO_WINDOW". Bug: 9992306 Change-Id: Ib821767899af330bb70d3cbbfa7d41b02794a075
1211 lines
42 KiB
C++
1211 lines
42 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <stdlib.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <math.h>
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#include <cutils/compiler.h>
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#include <cutils/native_handle.h>
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#include <cutils/properties.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <utils/StopWatch.h>
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#include <utils/Trace.h>
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#include <ui/GraphicBuffer.h>
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#include <ui/PixelFormat.h>
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#include <gui/Surface.h>
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#include "clz.h"
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#include "Colorizer.h"
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#include "DisplayDevice.h"
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#include "Layer.h"
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#include "SurfaceFlinger.h"
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#include "SurfaceTextureLayer.h"
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#include "DisplayHardware/HWComposer.h"
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#include "RenderEngine/RenderEngine.h"
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#define DEBUG_RESIZE 0
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namespace android {
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// ---------------------------------------------------------------------------
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int32_t Layer::sSequence = 1;
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Layer::Layer(SurfaceFlinger* flinger, const sp<Client>& client,
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const String8& name, uint32_t w, uint32_t h, uint32_t flags)
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: contentDirty(false),
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sequence(uint32_t(android_atomic_inc(&sSequence))),
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mFlinger(flinger),
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mTextureName(-1U),
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mPremultipliedAlpha(true),
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mName("unnamed"),
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mDebug(false),
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mFormat(PIXEL_FORMAT_NONE),
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mOpaqueLayer(true),
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mTransactionFlags(0),
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mQueuedFrames(0),
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mCurrentTransform(0),
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mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
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mCurrentOpacity(true),
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mRefreshPending(false),
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mFrameLatencyNeeded(false),
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mFiltering(false),
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mNeedsFiltering(false),
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mMesh(Mesh::TRIANGLE_FAN, 4, 2, 2),
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mSecure(false),
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mProtectedByApp(false),
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mHasSurface(false),
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mClientRef(client)
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{
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mCurrentCrop.makeInvalid();
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mFlinger->getRenderEngine().genTextures(1, &mTextureName);
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mTexture.init(Texture::TEXTURE_EXTERNAL, mTextureName);
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uint32_t layerFlags = 0;
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if (flags & ISurfaceComposerClient::eHidden)
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layerFlags = layer_state_t::eLayerHidden;
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if (flags & ISurfaceComposerClient::eNonPremultiplied)
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mPremultipliedAlpha = false;
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mName = name;
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mCurrentState.active.w = w;
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mCurrentState.active.h = h;
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mCurrentState.active.crop.makeInvalid();
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mCurrentState.z = 0;
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mCurrentState.alpha = 0xFF;
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mCurrentState.layerStack = 0;
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mCurrentState.flags = layerFlags;
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mCurrentState.sequence = 0;
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mCurrentState.transform.set(0, 0);
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mCurrentState.requested = mCurrentState.active;
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// drawing state & current state are identical
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mDrawingState = mCurrentState;
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nsecs_t displayPeriod =
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flinger->getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
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mFrameTracker.setDisplayRefreshPeriod(displayPeriod);
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}
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void Layer::onFirstRef() {
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// Creates a custom BufferQueue for SurfaceFlingerConsumer to use
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mBufferQueue = new SurfaceTextureLayer(mFlinger);
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mSurfaceFlingerConsumer = new SurfaceFlingerConsumer(mBufferQueue, mTextureName);
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mSurfaceFlingerConsumer->setConsumerUsageBits(getEffectiveUsage(0));
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mSurfaceFlingerConsumer->setFrameAvailableListener(this);
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mSurfaceFlingerConsumer->setName(mName);
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#ifdef TARGET_DISABLE_TRIPLE_BUFFERING
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#warning "disabling triple buffering"
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mSurfaceFlingerConsumer->setDefaultMaxBufferCount(2);
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#else
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mSurfaceFlingerConsumer->setDefaultMaxBufferCount(3);
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#endif
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const sp<const DisplayDevice> hw(mFlinger->getDefaultDisplayDevice());
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updateTransformHint(hw);
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}
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Layer::~Layer() {
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sp<Client> c(mClientRef.promote());
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if (c != 0) {
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c->detachLayer(this);
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}
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mFlinger->deleteTextureAsync(mTextureName);
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mFrameTracker.logAndResetStats(mName);
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}
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// ---------------------------------------------------------------------------
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// callbacks
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// ---------------------------------------------------------------------------
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void Layer::onLayerDisplayed(const sp<const DisplayDevice>& hw,
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HWComposer::HWCLayerInterface* layer) {
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if (layer) {
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layer->onDisplayed();
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mSurfaceFlingerConsumer->setReleaseFence(layer->getAndResetReleaseFence());
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}
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}
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void Layer::onFrameAvailable() {
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android_atomic_inc(&mQueuedFrames);
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mFlinger->signalLayerUpdate();
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}
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// called with SurfaceFlinger::mStateLock from the drawing thread after
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// the layer has been remove from the current state list (and just before
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// it's removed from the drawing state list)
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void Layer::onRemoved() {
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mSurfaceFlingerConsumer->abandon();
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}
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// ---------------------------------------------------------------------------
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// set-up
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// ---------------------------------------------------------------------------
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const String8& Layer::getName() const {
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return mName;
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}
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status_t Layer::setBuffers( uint32_t w, uint32_t h,
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PixelFormat format, uint32_t flags)
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{
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uint32_t const maxSurfaceDims = min(
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mFlinger->getMaxTextureSize(), mFlinger->getMaxViewportDims());
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// never allow a surface larger than what our underlying GL implementation
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// can handle.
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if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
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ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h));
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return BAD_VALUE;
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}
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mFormat = format;
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mSecure = (flags & ISurfaceComposerClient::eSecure) ? true : false;
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mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false;
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mOpaqueLayer = (flags & ISurfaceComposerClient::eOpaque);
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mCurrentOpacity = getOpacityForFormat(format);
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mSurfaceFlingerConsumer->setDefaultBufferSize(w, h);
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mSurfaceFlingerConsumer->setDefaultBufferFormat(format);
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mSurfaceFlingerConsumer->setConsumerUsageBits(getEffectiveUsage(0));
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return NO_ERROR;
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}
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sp<IBinder> Layer::getHandle() {
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Mutex::Autolock _l(mLock);
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LOG_ALWAYS_FATAL_IF(mHasSurface,
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"Layer::getHandle() has already been called");
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mHasSurface = true;
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/*
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* The layer handle is just a BBinder object passed to the client
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* (remote process) -- we don't keep any reference on our side such that
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* the dtor is called when the remote side let go of its reference.
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*
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* LayerCleaner ensures that mFlinger->onLayerDestroyed() is called for
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* this layer when the handle is destroyed.
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*/
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class Handle : public BBinder, public LayerCleaner {
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wp<const Layer> mOwner;
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public:
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Handle(const sp<SurfaceFlinger>& flinger, const sp<Layer>& layer)
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: LayerCleaner(flinger, layer), mOwner(layer) {
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}
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};
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return new Handle(mFlinger, this);
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}
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sp<IGraphicBufferProducer> Layer::getBufferQueue() const {
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return mBufferQueue;
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}
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// ---------------------------------------------------------------------------
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// h/w composer set-up
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// ---------------------------------------------------------------------------
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Rect Layer::getContentCrop() const {
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// this is the crop rectangle that applies to the buffer
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// itself (as opposed to the window)
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Rect crop;
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if (!mCurrentCrop.isEmpty()) {
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// if the buffer crop is defined, we use that
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crop = mCurrentCrop;
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} else if (mActiveBuffer != NULL) {
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// otherwise we use the whole buffer
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crop = mActiveBuffer->getBounds();
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} else {
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// if we don't have a buffer yet, we use an empty/invalid crop
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crop.makeInvalid();
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}
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return crop;
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}
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static Rect reduce(const Rect& win, const Region& exclude) {
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if (CC_LIKELY(exclude.isEmpty())) {
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return win;
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}
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if (exclude.isRect()) {
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return win.reduce(exclude.getBounds());
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}
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return Region(win).subtract(exclude).getBounds();
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}
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Rect Layer::computeBounds() const {
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const Layer::State& s(getDrawingState());
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Rect win(s.active.w, s.active.h);
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if (!s.active.crop.isEmpty()) {
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win.intersect(s.active.crop, &win);
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}
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// subtract the transparent region and snap to the bounds
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return reduce(win, s.activeTransparentRegion);
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}
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FloatRect Layer::computeCrop(const sp<const DisplayDevice>& hw) const {
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// the content crop is the area of the content that gets scaled to the
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// layer's size.
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FloatRect crop(getContentCrop());
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// the active.crop is the area of the window that gets cropped, but not
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// scaled in any ways.
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const State& s(getDrawingState());
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// apply the projection's clipping to the window crop in
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// layerstack space, and convert-back to layer space.
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// if there are no window scaling involved, this operation will map to full
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// pixels in the buffer.
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// FIXME: the 3 lines below can produce slightly incorrect clipping when we have
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// a viewport clipping and a window transform. we should use floating point to fix this.
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Rect activeCrop(s.active.w, s.active.h);
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if (!s.active.crop.isEmpty()) {
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activeCrop = s.active.crop;
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}
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activeCrop = s.transform.transform(activeCrop);
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activeCrop.intersect(hw->getViewport(), &activeCrop);
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activeCrop = s.transform.inverse().transform(activeCrop);
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// paranoia: make sure the window-crop is constrained in the
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// window's bounds
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activeCrop.intersect(Rect(s.active.w, s.active.h), &activeCrop);
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// subtract the transparent region and snap to the bounds
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activeCrop = reduce(activeCrop, s.activeTransparentRegion);
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if (!activeCrop.isEmpty()) {
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// Transform the window crop to match the buffer coordinate system,
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// which means using the inverse of the current transform set on the
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// SurfaceFlingerConsumer.
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uint32_t invTransform = mCurrentTransform;
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int winWidth = s.active.w;
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int winHeight = s.active.h;
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if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
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invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
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NATIVE_WINDOW_TRANSFORM_FLIP_H;
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winWidth = s.active.h;
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winHeight = s.active.w;
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}
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const Rect winCrop = activeCrop.transform(
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invTransform, s.active.w, s.active.h);
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// below, crop is intersected with winCrop expressed in crop's coordinate space
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float xScale = crop.getWidth() / float(winWidth);
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float yScale = crop.getHeight() / float(winHeight);
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float insetL = winCrop.left * xScale;
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float insetT = winCrop.top * yScale;
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float insetR = (winWidth - winCrop.right ) * xScale;
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float insetB = (winHeight - winCrop.bottom) * yScale;
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crop.left += insetL;
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crop.top += insetT;
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crop.right -= insetR;
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crop.bottom -= insetB;
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}
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return crop;
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}
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void Layer::setGeometry(
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const sp<const DisplayDevice>& hw,
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HWComposer::HWCLayerInterface& layer)
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{
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layer.setDefaultState();
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// enable this layer
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layer.setSkip(false);
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if (isSecure() && !hw->isSecure()) {
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layer.setSkip(true);
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}
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// this gives us only the "orientation" component of the transform
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const State& s(getDrawingState());
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if (!isOpaque() || s.alpha != 0xFF) {
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layer.setBlending(mPremultipliedAlpha ?
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HWC_BLENDING_PREMULT :
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HWC_BLENDING_COVERAGE);
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}
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// apply the layer's transform, followed by the display's global transform
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// here we're guaranteed that the layer's transform preserves rects
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Rect frame(s.transform.transform(computeBounds()));
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frame.intersect(hw->getViewport(), &frame);
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const Transform& tr(hw->getTransform());
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layer.setFrame(tr.transform(frame));
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layer.setCrop(computeCrop(hw));
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layer.setPlaneAlpha(s.alpha);
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/*
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* Transformations are applied in this order:
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* 1) buffer orientation/flip/mirror
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* 2) state transformation (window manager)
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* 3) layer orientation (screen orientation)
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* (NOTE: the matrices are multiplied in reverse order)
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*/
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const Transform bufferOrientation(mCurrentTransform);
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const Transform transform(tr * s.transform * bufferOrientation);
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// this gives us only the "orientation" component of the transform
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const uint32_t orientation = transform.getOrientation();
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if (orientation & Transform::ROT_INVALID) {
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// we can only handle simple transformation
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layer.setSkip(true);
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} else {
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layer.setTransform(orientation);
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}
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}
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void Layer::setPerFrameData(const sp<const DisplayDevice>& hw,
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HWComposer::HWCLayerInterface& layer) {
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// we have to set the visible region on every frame because
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// we currently free it during onLayerDisplayed(), which is called
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// after HWComposer::commit() -- every frame.
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// Apply this display's projection's viewport to the visible region
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// before giving it to the HWC HAL.
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const Transform& tr = hw->getTransform();
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Region visible = tr.transform(visibleRegion.intersect(hw->getViewport()));
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layer.setVisibleRegionScreen(visible);
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// NOTE: buffer can be NULL if the client never drew into this
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// layer yet, or if we ran out of memory
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layer.setBuffer(mActiveBuffer);
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}
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void Layer::setAcquireFence(const sp<const DisplayDevice>& hw,
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HWComposer::HWCLayerInterface& layer) {
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int fenceFd = -1;
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// TODO: there is a possible optimization here: we only need to set the
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// acquire fence the first time a new buffer is acquired on EACH display.
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if (layer.getCompositionType() == HWC_OVERLAY) {
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sp<Fence> fence = mSurfaceFlingerConsumer->getCurrentFence();
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if (fence->isValid()) {
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fenceFd = fence->dup();
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if (fenceFd == -1) {
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ALOGW("failed to dup layer fence, skipping sync: %d", errno);
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}
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}
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}
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layer.setAcquireFenceFd(fenceFd);
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}
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// ---------------------------------------------------------------------------
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// drawing...
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// ---------------------------------------------------------------------------
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void Layer::draw(const sp<const DisplayDevice>& hw, const Region& clip) const {
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onDraw(hw, clip);
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}
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void Layer::draw(const sp<const DisplayDevice>& hw) {
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onDraw( hw, Region(hw->bounds()) );
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}
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void Layer::onDraw(const sp<const DisplayDevice>& hw, const Region& clip) const
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{
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ATRACE_CALL();
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if (CC_UNLIKELY(mActiveBuffer == 0)) {
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// the texture has not been created yet, this Layer has
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// in fact never been drawn into. This happens frequently with
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// SurfaceView because the WindowManager can't know when the client
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// has drawn the first time.
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// If there is nothing under us, we paint the screen in black, otherwise
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// we just skip this update.
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// figure out if there is something below us
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Region under;
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const SurfaceFlinger::LayerVector& drawingLayers(
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mFlinger->mDrawingState.layersSortedByZ);
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const size_t count = drawingLayers.size();
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for (size_t i=0 ; i<count ; ++i) {
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const sp<Layer>& layer(drawingLayers[i]);
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if (layer.get() == static_cast<Layer const*>(this))
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break;
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under.orSelf( hw->getTransform().transform(layer->visibleRegion) );
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}
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// if not everything below us is covered, we plug the holes!
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Region holes(clip.subtract(under));
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if (!holes.isEmpty()) {
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clearWithOpenGL(hw, holes, 0, 0, 0, 1);
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}
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return;
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}
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// Bind the current buffer to the GL texture, and wait for it to be
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// ready for us to draw into.
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status_t err = mSurfaceFlingerConsumer->bindTextureImage();
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if (err != NO_ERROR) {
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ALOGW("onDraw: bindTextureImage failed (err=%d)", err);
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// Go ahead and draw the buffer anyway; no matter what we do the screen
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|
// is probably going to have something visibly wrong.
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}
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bool blackOutLayer = isProtected() || (isSecure() && !hw->isSecure());
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|
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RenderEngine& engine(mFlinger->getRenderEngine());
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if (!blackOutLayer) {
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// TODO: we could be more subtle with isFixedSize()
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const bool useFiltering = getFiltering() || needsFiltering(hw) || isFixedSize();
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|
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// Query the texture matrix given our current filtering mode.
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float textureMatrix[16];
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mSurfaceFlingerConsumer->setFilteringEnabled(useFiltering);
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mSurfaceFlingerConsumer->getTransformMatrix(textureMatrix);
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// Set things up for texturing.
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mTexture.setDimensions(mActiveBuffer->getWidth(), mActiveBuffer->getHeight());
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mTexture.setFiltering(useFiltering);
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mTexture.setMatrix(textureMatrix);
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engine.setupLayerTexturing(mTexture);
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} else {
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engine.setupLayerBlackedOut();
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}
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drawWithOpenGL(hw, clip);
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engine.disableTexturing();
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}
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void Layer::clearWithOpenGL(const sp<const DisplayDevice>& hw, const Region& clip,
|
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float red, float green, float blue, float alpha) const
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{
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computeGeometry(hw, mMesh);
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mFlinger->getRenderEngine().fillWithColor(mMesh, red, green, blue, alpha);
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}
|
|
|
|
void Layer::clearWithOpenGL(
|
|
const sp<const DisplayDevice>& hw, const Region& clip) const {
|
|
clearWithOpenGL(hw, clip, 0,0,0,0);
|
|
}
|
|
|
|
void Layer::drawWithOpenGL(
|
|
const sp<const DisplayDevice>& hw, const Region& clip) const {
|
|
const uint32_t fbHeight = hw->getHeight();
|
|
const State& s(getDrawingState());
|
|
|
|
computeGeometry(hw, mMesh);
|
|
|
|
/*
|
|
* NOTE: the way we compute the texture coordinates here produces
|
|
* different results than when we take the HWC path -- in the later case
|
|
* the "source crop" is rounded to texel boundaries.
|
|
* This can produce significantly different results when the texture
|
|
* is scaled by a large amount.
|
|
*
|
|
* The GL code below is more logical (imho), and the difference with
|
|
* HWC is due to a limitation of the HWC API to integers -- a question
|
|
* is suspend is wether we should ignore this problem or revert to
|
|
* GL composition when a buffer scaling is applied (maybe with some
|
|
* minimal value)? Or, we could make GL behave like HWC -- but this feel
|
|
* like more of a hack.
|
|
*/
|
|
const Rect win(computeBounds());
|
|
|
|
float left = float(win.left) / float(s.active.w);
|
|
float top = float(win.top) / float(s.active.h);
|
|
float right = float(win.right) / float(s.active.w);
|
|
float bottom = float(win.bottom) / float(s.active.h);
|
|
|
|
// TODO: we probably want to generate the texture coords with the mesh
|
|
// here we assume that we only have 4 vertices
|
|
Mesh::VertexArray texCoords(mMesh.getTexCoordArray());
|
|
texCoords[0].s = left;
|
|
texCoords[0].t = 1.0f - top;
|
|
texCoords[1].s = left;
|
|
texCoords[1].t = 1.0f - bottom;
|
|
texCoords[2].s = right;
|
|
texCoords[2].t = 1.0f - bottom;
|
|
texCoords[3].s = right;
|
|
texCoords[3].t = 1.0f - top;
|
|
|
|
RenderEngine& engine(mFlinger->getRenderEngine());
|
|
engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(), s.alpha);
|
|
engine.drawMesh(mMesh);
|
|
engine.disableBlending();
|
|
}
|
|
|
|
void Layer::setFiltering(bool filtering) {
|
|
mFiltering = filtering;
|
|
}
|
|
|
|
bool Layer::getFiltering() const {
|
|
return mFiltering;
|
|
}
|
|
|
|
// As documented in libhardware header, formats in the range
|
|
// 0x100 - 0x1FF are specific to the HAL implementation, and
|
|
// are known to have no alpha channel
|
|
// TODO: move definition for device-specific range into
|
|
// hardware.h, instead of using hard-coded values here.
|
|
#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
|
|
|
|
bool Layer::getOpacityForFormat(uint32_t format) {
|
|
if (HARDWARE_IS_DEVICE_FORMAT(format)) {
|
|
return true;
|
|
}
|
|
switch (format) {
|
|
case HAL_PIXEL_FORMAT_RGBA_8888:
|
|
case HAL_PIXEL_FORMAT_BGRA_8888:
|
|
case HAL_PIXEL_FORMAT_sRGB_A_8888:
|
|
return false;
|
|
}
|
|
// in all other case, we have no blending (also for unknown formats)
|
|
return true;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// local state
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void Layer::computeGeometry(const sp<const DisplayDevice>& hw, Mesh& mesh) const
|
|
{
|
|
const Layer::State& s(getDrawingState());
|
|
const Transform tr(hw->getTransform() * s.transform);
|
|
const uint32_t hw_h = hw->getHeight();
|
|
Rect win(s.active.w, s.active.h);
|
|
if (!s.active.crop.isEmpty()) {
|
|
win.intersect(s.active.crop, &win);
|
|
}
|
|
// subtract the transparent region and snap to the bounds
|
|
win = reduce(win, s.activeTransparentRegion);
|
|
|
|
Mesh::VertexArray position(mesh.getPositionArray());
|
|
tr.transform(position[0], win.left, win.top);
|
|
tr.transform(position[1], win.left, win.bottom);
|
|
tr.transform(position[2], win.right, win.bottom);
|
|
tr.transform(position[3], win.right, win.top);
|
|
for (size_t i=0 ; i<4 ; i++) {
|
|
position[i].y = hw_h - position[i].y;
|
|
}
|
|
}
|
|
|
|
bool Layer::isOpaque() const
|
|
{
|
|
// if we don't have a buffer yet, we're translucent regardless of the
|
|
// layer's opaque flag.
|
|
if (mActiveBuffer == 0) {
|
|
return false;
|
|
}
|
|
|
|
// if the layer has the opaque flag, then we're always opaque,
|
|
// otherwise we use the current buffer's format.
|
|
return mOpaqueLayer || mCurrentOpacity;
|
|
}
|
|
|
|
bool Layer::isProtected() const
|
|
{
|
|
const sp<GraphicBuffer>& activeBuffer(mActiveBuffer);
|
|
return (activeBuffer != 0) &&
|
|
(activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
|
|
}
|
|
|
|
bool Layer::isFixedSize() const {
|
|
return mCurrentScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
|
|
}
|
|
|
|
bool Layer::isCropped() const {
|
|
return !mCurrentCrop.isEmpty();
|
|
}
|
|
|
|
bool Layer::needsFiltering(const sp<const DisplayDevice>& hw) const {
|
|
return mNeedsFiltering || hw->needsFiltering();
|
|
}
|
|
|
|
void Layer::setVisibleRegion(const Region& visibleRegion) {
|
|
// always called from main thread
|
|
this->visibleRegion = visibleRegion;
|
|
}
|
|
|
|
void Layer::setCoveredRegion(const Region& coveredRegion) {
|
|
// always called from main thread
|
|
this->coveredRegion = coveredRegion;
|
|
}
|
|
|
|
void Layer::setVisibleNonTransparentRegion(const Region&
|
|
setVisibleNonTransparentRegion) {
|
|
// always called from main thread
|
|
this->visibleNonTransparentRegion = setVisibleNonTransparentRegion;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// transaction
|
|
// ----------------------------------------------------------------------------
|
|
|
|
uint32_t Layer::doTransaction(uint32_t flags) {
|
|
ATRACE_CALL();
|
|
|
|
const Layer::State& s(getDrawingState());
|
|
const Layer::State& c(getCurrentState());
|
|
|
|
const bool sizeChanged = (c.requested.w != s.requested.w) ||
|
|
(c.requested.h != s.requested.h);
|
|
|
|
if (sizeChanged) {
|
|
// the size changed, we need to ask our client to request a new buffer
|
|
ALOGD_IF(DEBUG_RESIZE,
|
|
"doTransaction: geometry (layer=%p '%s'), tr=%02x, scalingMode=%d\n"
|
|
" current={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
|
|
" requested={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }}\n"
|
|
" drawing={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
|
|
" requested={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }}\n",
|
|
this, getName().string(), mCurrentTransform, mCurrentScalingMode,
|
|
c.active.w, c.active.h,
|
|
c.active.crop.left,
|
|
c.active.crop.top,
|
|
c.active.crop.right,
|
|
c.active.crop.bottom,
|
|
c.active.crop.getWidth(),
|
|
c.active.crop.getHeight(),
|
|
c.requested.w, c.requested.h,
|
|
c.requested.crop.left,
|
|
c.requested.crop.top,
|
|
c.requested.crop.right,
|
|
c.requested.crop.bottom,
|
|
c.requested.crop.getWidth(),
|
|
c.requested.crop.getHeight(),
|
|
s.active.w, s.active.h,
|
|
s.active.crop.left,
|
|
s.active.crop.top,
|
|
s.active.crop.right,
|
|
s.active.crop.bottom,
|
|
s.active.crop.getWidth(),
|
|
s.active.crop.getHeight(),
|
|
s.requested.w, s.requested.h,
|
|
s.requested.crop.left,
|
|
s.requested.crop.top,
|
|
s.requested.crop.right,
|
|
s.requested.crop.bottom,
|
|
s.requested.crop.getWidth(),
|
|
s.requested.crop.getHeight());
|
|
|
|
// record the new size, form this point on, when the client request
|
|
// a buffer, it'll get the new size.
|
|
mSurfaceFlingerConsumer->setDefaultBufferSize(
|
|
c.requested.w, c.requested.h);
|
|
}
|
|
|
|
if (!isFixedSize()) {
|
|
|
|
const bool resizePending = (c.requested.w != c.active.w) ||
|
|
(c.requested.h != c.active.h);
|
|
|
|
if (resizePending) {
|
|
// don't let Layer::doTransaction update the drawing state
|
|
// if we have a pending resize, unless we are in fixed-size mode.
|
|
// the drawing state will be updated only once we receive a buffer
|
|
// with the correct size.
|
|
//
|
|
// in particular, we want to make sure the clip (which is part
|
|
// of the geometry state) is latched together with the size but is
|
|
// latched immediately when no resizing is involved.
|
|
|
|
flags |= eDontUpdateGeometryState;
|
|
}
|
|
}
|
|
|
|
// always set active to requested, unless we're asked not to
|
|
// this is used by Layer, which special cases resizes.
|
|
if (flags & eDontUpdateGeometryState) {
|
|
} else {
|
|
Layer::State& editCurrentState(getCurrentState());
|
|
editCurrentState.active = c.requested;
|
|
}
|
|
|
|
if (s.active != c.active) {
|
|
// invalidate and recompute the visible regions if needed
|
|
flags |= Layer::eVisibleRegion;
|
|
}
|
|
|
|
if (c.sequence != s.sequence) {
|
|
// invalidate and recompute the visible regions if needed
|
|
flags |= eVisibleRegion;
|
|
this->contentDirty = true;
|
|
|
|
// we may use linear filtering, if the matrix scales us
|
|
const uint8_t type = c.transform.getType();
|
|
mNeedsFiltering = (!c.transform.preserveRects() ||
|
|
(type >= Transform::SCALE));
|
|
}
|
|
|
|
// Commit the transaction
|
|
commitTransaction();
|
|
return flags;
|
|
}
|
|
|
|
void Layer::commitTransaction() {
|
|
mDrawingState = mCurrentState;
|
|
}
|
|
|
|
uint32_t Layer::getTransactionFlags(uint32_t flags) {
|
|
return android_atomic_and(~flags, &mTransactionFlags) & flags;
|
|
}
|
|
|
|
uint32_t Layer::setTransactionFlags(uint32_t flags) {
|
|
return android_atomic_or(flags, &mTransactionFlags);
|
|
}
|
|
|
|
bool Layer::setPosition(float x, float y) {
|
|
if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y)
|
|
return false;
|
|
mCurrentState.sequence++;
|
|
mCurrentState.transform.set(x, y);
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setLayer(uint32_t z) {
|
|
if (mCurrentState.z == z)
|
|
return false;
|
|
mCurrentState.sequence++;
|
|
mCurrentState.z = z;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setSize(uint32_t w, uint32_t h) {
|
|
if (mCurrentState.requested.w == w && mCurrentState.requested.h == h)
|
|
return false;
|
|
mCurrentState.requested.w = w;
|
|
mCurrentState.requested.h = h;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setAlpha(uint8_t alpha) {
|
|
if (mCurrentState.alpha == alpha)
|
|
return false;
|
|
mCurrentState.sequence++;
|
|
mCurrentState.alpha = alpha;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
|
|
mCurrentState.sequence++;
|
|
mCurrentState.transform.set(
|
|
matrix.dsdx, matrix.dsdy, matrix.dtdx, matrix.dtdy);
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setTransparentRegionHint(const Region& transparent) {
|
|
mCurrentState.requestedTransparentRegion = transparent;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setFlags(uint8_t flags, uint8_t mask) {
|
|
const uint32_t newFlags = (mCurrentState.flags & ~mask) | (flags & mask);
|
|
if (mCurrentState.flags == newFlags)
|
|
return false;
|
|
mCurrentState.sequence++;
|
|
mCurrentState.flags = newFlags;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setCrop(const Rect& crop) {
|
|
if (mCurrentState.requested.crop == crop)
|
|
return false;
|
|
mCurrentState.sequence++;
|
|
mCurrentState.requested.crop = crop;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setLayerStack(uint32_t layerStack) {
|
|
if (mCurrentState.layerStack == layerStack)
|
|
return false;
|
|
mCurrentState.sequence++;
|
|
mCurrentState.layerStack = layerStack;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// pageflip handling...
|
|
// ----------------------------------------------------------------------------
|
|
|
|
bool Layer::onPreComposition() {
|
|
mRefreshPending = false;
|
|
return mQueuedFrames > 0;
|
|
}
|
|
|
|
void Layer::onPostComposition() {
|
|
if (mFrameLatencyNeeded) {
|
|
nsecs_t desiredPresentTime = mSurfaceFlingerConsumer->getTimestamp();
|
|
mFrameTracker.setDesiredPresentTime(desiredPresentTime);
|
|
|
|
sp<Fence> frameReadyFence = mSurfaceFlingerConsumer->getCurrentFence();
|
|
if (frameReadyFence->isValid()) {
|
|
mFrameTracker.setFrameReadyFence(frameReadyFence);
|
|
} else {
|
|
// There was no fence for this frame, so assume that it was ready
|
|
// to be presented at the desired present time.
|
|
mFrameTracker.setFrameReadyTime(desiredPresentTime);
|
|
}
|
|
|
|
const HWComposer& hwc = mFlinger->getHwComposer();
|
|
sp<Fence> presentFence = hwc.getDisplayFence(HWC_DISPLAY_PRIMARY);
|
|
if (presentFence->isValid()) {
|
|
mFrameTracker.setActualPresentFence(presentFence);
|
|
} else {
|
|
// The HWC doesn't support present fences, so use the refresh
|
|
// timestamp instead.
|
|
nsecs_t presentTime = hwc.getRefreshTimestamp(HWC_DISPLAY_PRIMARY);
|
|
mFrameTracker.setActualPresentTime(presentTime);
|
|
}
|
|
|
|
mFrameTracker.advanceFrame();
|
|
mFrameLatencyNeeded = false;
|
|
}
|
|
}
|
|
|
|
bool Layer::isVisible() const {
|
|
const Layer::State& s(mDrawingState);
|
|
return !(s.flags & layer_state_t::eLayerHidden) && s.alpha
|
|
&& (mActiveBuffer != NULL);
|
|
}
|
|
|
|
Region Layer::latchBuffer(bool& recomputeVisibleRegions)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
Region outDirtyRegion;
|
|
if (mQueuedFrames > 0) {
|
|
|
|
// if we've already called updateTexImage() without going through
|
|
// a composition step, we have to skip this layer at this point
|
|
// because we cannot call updateTeximage() without a corresponding
|
|
// compositionComplete() call.
|
|
// we'll trigger an update in onPreComposition().
|
|
if (mRefreshPending) {
|
|
return outDirtyRegion;
|
|
}
|
|
|
|
// Capture the old state of the layer for comparisons later
|
|
const bool oldOpacity = isOpaque();
|
|
sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer;
|
|
|
|
struct Reject : public SurfaceFlingerConsumer::BufferRejecter {
|
|
Layer::State& front;
|
|
Layer::State& current;
|
|
bool& recomputeVisibleRegions;
|
|
Reject(Layer::State& front, Layer::State& current,
|
|
bool& recomputeVisibleRegions)
|
|
: front(front), current(current),
|
|
recomputeVisibleRegions(recomputeVisibleRegions) {
|
|
}
|
|
|
|
virtual bool reject(const sp<GraphicBuffer>& buf,
|
|
const IGraphicBufferConsumer::BufferItem& item) {
|
|
if (buf == NULL) {
|
|
return false;
|
|
}
|
|
|
|
uint32_t bufWidth = buf->getWidth();
|
|
uint32_t bufHeight = buf->getHeight();
|
|
|
|
// check that we received a buffer of the right size
|
|
// (Take the buffer's orientation into account)
|
|
if (item.mTransform & Transform::ROT_90) {
|
|
swap(bufWidth, bufHeight);
|
|
}
|
|
|
|
bool isFixedSize = item.mScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
|
|
if (front.active != front.requested) {
|
|
|
|
if (isFixedSize ||
|
|
(bufWidth == front.requested.w &&
|
|
bufHeight == front.requested.h))
|
|
{
|
|
// Here we pretend the transaction happened by updating the
|
|
// current and drawing states. Drawing state is only accessed
|
|
// in this thread, no need to have it locked
|
|
front.active = front.requested;
|
|
|
|
// We also need to update the current state so that
|
|
// we don't end-up overwriting the drawing state with
|
|
// this stale current state during the next transaction
|
|
//
|
|
// NOTE: We don't need to hold the transaction lock here
|
|
// because State::active is only accessed from this thread.
|
|
current.active = front.active;
|
|
|
|
// recompute visible region
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
|
|
ALOGD_IF(DEBUG_RESIZE,
|
|
"latchBuffer/reject: buffer (%ux%u, tr=%02x), scalingMode=%d\n"
|
|
" drawing={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
|
|
" requested={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }}\n",
|
|
bufWidth, bufHeight, item.mTransform, item.mScalingMode,
|
|
front.active.w, front.active.h,
|
|
front.active.crop.left,
|
|
front.active.crop.top,
|
|
front.active.crop.right,
|
|
front.active.crop.bottom,
|
|
front.active.crop.getWidth(),
|
|
front.active.crop.getHeight(),
|
|
front.requested.w, front.requested.h,
|
|
front.requested.crop.left,
|
|
front.requested.crop.top,
|
|
front.requested.crop.right,
|
|
front.requested.crop.bottom,
|
|
front.requested.crop.getWidth(),
|
|
front.requested.crop.getHeight());
|
|
}
|
|
|
|
if (!isFixedSize) {
|
|
if (front.active.w != bufWidth ||
|
|
front.active.h != bufHeight) {
|
|
// reject this buffer
|
|
//ALOGD("rejecting buffer: bufWidth=%d, bufHeight=%d, front.active.{w=%d, h=%d}",
|
|
// bufWidth, bufHeight, front.active.w, front.active.h);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// if the transparent region has changed (this test is
|
|
// conservative, but that's fine, worst case we're doing
|
|
// a bit of extra work), we latch the new one and we
|
|
// trigger a visible-region recompute.
|
|
if (!front.activeTransparentRegion.isTriviallyEqual(
|
|
front.requestedTransparentRegion)) {
|
|
front.activeTransparentRegion = front.requestedTransparentRegion;
|
|
|
|
// We also need to update the current state so that
|
|
// we don't end-up overwriting the drawing state with
|
|
// this stale current state during the next transaction
|
|
//
|
|
// NOTE: We don't need to hold the transaction lock here
|
|
// because State::active is only accessed from this thread.
|
|
current.activeTransparentRegion = front.activeTransparentRegion;
|
|
|
|
// recompute visible region
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
|
|
Reject r(mDrawingState, getCurrentState(), recomputeVisibleRegions);
|
|
|
|
status_t updateResult = mSurfaceFlingerConsumer->updateTexImage(&r);
|
|
if (updateResult == BufferQueue::PRESENT_LATER) {
|
|
// Producer doesn't want buffer to be displayed yet. Signal a
|
|
// layer update so we check again at the next opportunity.
|
|
mFlinger->signalLayerUpdate();
|
|
return outDirtyRegion;
|
|
}
|
|
|
|
// Decrement the queued-frames count. Signal another event if we
|
|
// have more frames pending.
|
|
if (android_atomic_dec(&mQueuedFrames) > 1) {
|
|
mFlinger->signalLayerUpdate();
|
|
}
|
|
|
|
if (updateResult != NO_ERROR) {
|
|
// something happened!
|
|
recomputeVisibleRegions = true;
|
|
return outDirtyRegion;
|
|
}
|
|
|
|
// update the active buffer
|
|
mActiveBuffer = mSurfaceFlingerConsumer->getCurrentBuffer();
|
|
if (mActiveBuffer == NULL) {
|
|
// this can only happen if the very first buffer was rejected.
|
|
return outDirtyRegion;
|
|
}
|
|
|
|
mRefreshPending = true;
|
|
mFrameLatencyNeeded = true;
|
|
if (oldActiveBuffer == NULL) {
|
|
// the first time we receive a buffer, we need to trigger a
|
|
// geometry invalidation.
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
|
|
Rect crop(mSurfaceFlingerConsumer->getCurrentCrop());
|
|
const uint32_t transform(mSurfaceFlingerConsumer->getCurrentTransform());
|
|
const uint32_t scalingMode(mSurfaceFlingerConsumer->getCurrentScalingMode());
|
|
if ((crop != mCurrentCrop) ||
|
|
(transform != mCurrentTransform) ||
|
|
(scalingMode != mCurrentScalingMode))
|
|
{
|
|
mCurrentCrop = crop;
|
|
mCurrentTransform = transform;
|
|
mCurrentScalingMode = scalingMode;
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
|
|
if (oldActiveBuffer != NULL) {
|
|
uint32_t bufWidth = mActiveBuffer->getWidth();
|
|
uint32_t bufHeight = mActiveBuffer->getHeight();
|
|
if (bufWidth != uint32_t(oldActiveBuffer->width) ||
|
|
bufHeight != uint32_t(oldActiveBuffer->height)) {
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
}
|
|
|
|
mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format);
|
|
if (oldOpacity != isOpaque()) {
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
|
|
// FIXME: postedRegion should be dirty & bounds
|
|
const Layer::State& s(getDrawingState());
|
|
Region dirtyRegion(Rect(s.active.w, s.active.h));
|
|
|
|
// transform the dirty region to window-manager space
|
|
outDirtyRegion = (s.transform.transform(dirtyRegion));
|
|
}
|
|
return outDirtyRegion;
|
|
}
|
|
|
|
uint32_t Layer::getEffectiveUsage(uint32_t usage) const
|
|
{
|
|
// TODO: should we do something special if mSecure is set?
|
|
if (mProtectedByApp) {
|
|
// need a hardware-protected path to external video sink
|
|
usage |= GraphicBuffer::USAGE_PROTECTED;
|
|
}
|
|
usage |= GraphicBuffer::USAGE_HW_COMPOSER;
|
|
return usage;
|
|
}
|
|
|
|
void Layer::updateTransformHint(const sp<const DisplayDevice>& hw) const {
|
|
uint32_t orientation = 0;
|
|
if (!mFlinger->mDebugDisableTransformHint) {
|
|
// The transform hint is used to improve performance, but we can
|
|
// only have a single transform hint, it cannot
|
|
// apply to all displays.
|
|
const Transform& planeTransform(hw->getTransform());
|
|
orientation = planeTransform.getOrientation();
|
|
if (orientation & Transform::ROT_INVALID) {
|
|
orientation = 0;
|
|
}
|
|
}
|
|
mSurfaceFlingerConsumer->setTransformHint(orientation);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// debugging
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void Layer::dump(String8& result, Colorizer& colorizer) const
|
|
{
|
|
const Layer::State& s(getDrawingState());
|
|
|
|
colorizer.colorize(result, Colorizer::GREEN);
|
|
result.appendFormat(
|
|
"+ %s %p (%s)\n",
|
|
getTypeId(), this, getName().string());
|
|
colorizer.reset(result);
|
|
|
|
s.activeTransparentRegion.dump(result, "transparentRegion");
|
|
visibleRegion.dump(result, "visibleRegion");
|
|
sp<Client> client(mClientRef.promote());
|
|
|
|
result.appendFormat( " "
|
|
"layerStack=%4d, z=%9d, pos=(%g,%g), size=(%4d,%4d), crop=(%4d,%4d,%4d,%4d), "
|
|
"isOpaque=%1d, invalidate=%1d, "
|
|
"alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n"
|
|
" client=%p\n",
|
|
s.layerStack, s.z, s.transform.tx(), s.transform.ty(), s.active.w, s.active.h,
|
|
s.active.crop.left, s.active.crop.top,
|
|
s.active.crop.right, s.active.crop.bottom,
|
|
isOpaque(), contentDirty,
|
|
s.alpha, s.flags,
|
|
s.transform[0][0], s.transform[0][1],
|
|
s.transform[1][0], s.transform[1][1],
|
|
client.get());
|
|
|
|
sp<const GraphicBuffer> buf0(mActiveBuffer);
|
|
uint32_t w0=0, h0=0, s0=0, f0=0;
|
|
if (buf0 != 0) {
|
|
w0 = buf0->getWidth();
|
|
h0 = buf0->getHeight();
|
|
s0 = buf0->getStride();
|
|
f0 = buf0->format;
|
|
}
|
|
result.appendFormat(
|
|
" "
|
|
"format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
|
|
" queued-frames=%d, mRefreshPending=%d\n",
|
|
mFormat, w0, h0, s0,f0,
|
|
mQueuedFrames, mRefreshPending);
|
|
|
|
if (mSurfaceFlingerConsumer != 0) {
|
|
mSurfaceFlingerConsumer->dump(result, " ");
|
|
}
|
|
}
|
|
|
|
void Layer::dumpStats(String8& result) const {
|
|
mFrameTracker.dump(result);
|
|
}
|
|
|
|
void Layer::clearStats() {
|
|
mFrameTracker.clear();
|
|
}
|
|
|
|
void Layer::logFrameStats() {
|
|
mFrameTracker.logAndResetStats(mName);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
Layer::LayerCleaner::LayerCleaner(const sp<SurfaceFlinger>& flinger,
|
|
const sp<Layer>& layer)
|
|
: mFlinger(flinger), mLayer(layer) {
|
|
}
|
|
|
|
Layer::LayerCleaner::~LayerCleaner() {
|
|
// destroy client resources
|
|
mFlinger->onLayerDestroyed(mLayer);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|
|
|
|
#if defined(__gl_h_)
|
|
#error "don't include gl/gl.h in this file"
|
|
#endif
|
|
|
|
#if defined(__gl2_h_)
|
|
#error "don't include gl2/gl2.h in this file"
|
|
#endif
|