mirror of
https://github.com/classilla/tenfourfox.git
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662 lines
19 KiB
C++
662 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ImageContainer.h"
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#include <string.h> // for memcpy, memset
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#include "GLImages.h" // for SurfaceTextureImage
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#include "gfx2DGlue.h"
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#include "gfxPlatform.h" // for gfxPlatform
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#include "gfxUtils.h" // for gfxUtils
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#include "mozilla/RefPtr.h" // for already_AddRefed
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#include "mozilla/ipc/CrossProcessMutex.h" // for CrossProcessMutex, etc
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#include "mozilla/layers/CompositorTypes.h"
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#include "mozilla/layers/ImageBridgeChild.h" // for ImageBridgeChild
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#include "mozilla/layers/PImageContainerChild.h"
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#include "mozilla/layers/ImageClient.h" // for ImageClient
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#include "mozilla/layers/LayersMessages.h"
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#include "mozilla/layers/SharedPlanarYCbCrImage.h"
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#include "mozilla/layers/SharedRGBImage.h"
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#include "nsISupportsUtils.h" // for NS_IF_ADDREF
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#include "YCbCrUtils.h" // for YCbCr conversions
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#ifdef MOZ_WIDGET_GONK
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#include "GrallocImages.h"
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#endif
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#if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_CAMERA) && defined(MOZ_WEBRTC)
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#include "GonkCameraImage.h"
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#endif
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#include "gfx2DGlue.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/CheckedInt.h"
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#ifdef XP_MACOSX
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#include "mozilla/gfx/QuartzSupport.h"
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#endif
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#ifdef XP_WIN
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#include "gfxWindowsPlatform.h"
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#include <d3d10_1.h>
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#endif
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namespace mozilla {
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namespace layers {
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using namespace mozilla::ipc;
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using namespace android;
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using namespace mozilla::gfx;
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Atomic<int32_t> Image::sSerialCounter(0);
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Atomic<uint32_t> ImageContainer::sGenerationCounter(0);
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RefPtr<PlanarYCbCrImage>
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ImageFactory::CreatePlanarYCbCrImage(const gfx::IntSize& aScaleHint, BufferRecycleBin *aRecycleBin)
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{
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return new RecyclingPlanarYCbCrImage(aRecycleBin);
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}
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BufferRecycleBin::BufferRecycleBin()
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: mLock("mozilla.layers.BufferRecycleBin.mLock")
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{
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}
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void
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BufferRecycleBin::RecycleBuffer(UniquePtr<uint8_t[]> aBuffer, uint32_t aSize)
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{
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MutexAutoLock lock(mLock);
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if (!mRecycledBuffers.IsEmpty() && aSize != mRecycledBufferSize) {
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mRecycledBuffers.Clear();
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}
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mRecycledBufferSize = aSize;
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mRecycledBuffers.AppendElement(Move(aBuffer));
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}
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UniquePtr<uint8_t[]>
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BufferRecycleBin::GetBuffer(uint32_t aSize)
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{
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MutexAutoLock lock(mLock);
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if (mRecycledBuffers.IsEmpty() || mRecycledBufferSize != aSize)
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return MakeUnique<uint8_t[]>(aSize);
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uint32_t last = mRecycledBuffers.Length() - 1;
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UniquePtr<uint8_t[]> result = Move(mRecycledBuffers[last]);
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mRecycledBuffers.RemoveElementAt(last);
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return result;
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}
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/**
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* The child side of PImageContainer. It's best to avoid ImageContainer filling
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* this role since IPDL objects should be associated with a single thread and
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* ImageContainer definitely isn't. This object belongs to (and is always
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* destroyed on) the ImageBridge thread, except when we need to destroy it
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* during shutdown.
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* An ImageContainer owns one of these; we have a weak reference to our
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* ImageContainer.
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*/
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class ImageContainerChild : public PImageContainerChild {
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public:
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explicit ImageContainerChild(ImageContainer* aImageContainer)
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: mLock("ImageContainerChild"), mImageContainer(aImageContainer) {}
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void ForgetImageContainer()
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{
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MutexAutoLock lock(mLock);
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mImageContainer = nullptr;
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}
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// This protects mImageContainer. This is always taken before the
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// mImageContainer's monitor (when both need to be held).
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Mutex mLock;
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ImageContainer* mImageContainer;
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};
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ImageContainer::ImageContainer(Mode flag)
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: mReentrantMonitor("ImageContainer.mReentrantMonitor"),
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mGenerationCounter(++sGenerationCounter),
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mPaintCount(0),
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mDroppedImageCount(0),
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mImageFactory(new ImageFactory()),
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mRecycleBin(new BufferRecycleBin()),
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mImageClient(nullptr),
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mCurrentProducerID(-1),
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mIPDLChild(nullptr)
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{
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if (ImageBridgeChild::IsCreated()) {
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// the refcount of this ImageClient is 1. we don't use a RefPtr here because the refcount
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// of this class must be done on the ImageBridge thread.
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switch (flag) {
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case SYNCHRONOUS:
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break;
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case ASYNCHRONOUS:
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mIPDLChild = new ImageContainerChild(this);
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mImageClient = ImageBridgeChild::GetSingleton()->CreateImageClient(CompositableType::IMAGE, this).take();
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MOZ_ASSERT(mImageClient);
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break;
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case ASYNCHRONOUS_OVERLAY:
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mIPDLChild = new ImageContainerChild(this);
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mImageClient = ImageBridgeChild::GetSingleton()->CreateImageClient(CompositableType::IMAGE_OVERLAY, this).take();
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MOZ_ASSERT(mImageClient);
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break;
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default:
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MOZ_ASSERT(false, "This flag is invalid.");
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break;
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}
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}
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}
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ImageContainer::~ImageContainer()
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{
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if (IsAsync()) {
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mIPDLChild->ForgetImageContainer();
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ImageBridgeChild::DispatchReleaseImageClient(mImageClient, mIPDLChild);
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}
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}
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RefPtr<PlanarYCbCrImage>
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ImageContainer::CreatePlanarYCbCrImage()
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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if (mImageClient && mImageClient->AsImageClientSingle()) {
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return new SharedPlanarYCbCrImage(mImageClient);
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}
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return mImageFactory->CreatePlanarYCbCrImage(mScaleHint, mRecycleBin);
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}
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RefPtr<SharedRGBImage>
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ImageContainer::CreateSharedRGBImage()
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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if (!mImageClient || !mImageClient->AsImageClientSingle()) {
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return nullptr;
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}
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return new SharedRGBImage(mImageClient);
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}
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#ifdef MOZ_WIDGET_GONK
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RefPtr<OverlayImage>
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ImageContainer::CreateOverlayImage()
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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if (mImageClient && mImageClient->GetTextureInfo().mCompositableType != CompositableType::IMAGE_OVERLAY) {
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// If this ImageContainer is async but the image type mismatch, fix it here
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if (ImageBridgeChild::IsCreated()) {
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ImageBridgeChild::DispatchReleaseImageClient(mImageClient);
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mImageClient = ImageBridgeChild::GetSingleton()->CreateImageClient(
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CompositableType::IMAGE_OVERLAY, this).take();
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}
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}
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return new OverlayImage();
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}
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#endif
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void
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ImageContainer::SetCurrentImageInternal(const nsTArray<NonOwningImage>& aImages)
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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mGenerationCounter = ++sGenerationCounter;
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if (!aImages.IsEmpty()) {
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NS_ASSERTION(mCurrentImages.IsEmpty() ||
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mCurrentImages[0].mProducerID != aImages[0].mProducerID ||
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mCurrentImages[0].mFrameID <= aImages[0].mFrameID,
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"frame IDs shouldn't go backwards");
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if (aImages[0].mProducerID != mCurrentProducerID) {
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mFrameIDsNotYetComposited.Clear();
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mCurrentProducerID = aImages[0].mProducerID;
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} else if (!aImages[0].mTimeStamp.IsNull()) {
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// Check for expired frames
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for (auto& img : mCurrentImages) {
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if (img.mProducerID != aImages[0].mProducerID ||
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img.mTimeStamp.IsNull() ||
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img.mTimeStamp >= aImages[0].mTimeStamp) {
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break;
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}
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if (!img.mComposited && !img.mTimeStamp.IsNull() &&
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img.mFrameID != aImages[0].mFrameID) {
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mFrameIDsNotYetComposited.AppendElement(img.mFrameID);
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}
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}
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// Remove really old frames, assuming they'll never be composited.
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const uint32_t maxFrames = 100;
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if (mFrameIDsNotYetComposited.Length() > maxFrames) {
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uint32_t dropFrames = mFrameIDsNotYetComposited.Length() - maxFrames;
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mDroppedImageCount += dropFrames;
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mFrameIDsNotYetComposited.RemoveElementsAt(0, dropFrames);
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}
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}
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}
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nsTArray<OwningImage> newImages;
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for (uint32_t i = 0; i < aImages.Length(); ++i) {
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NS_ASSERTION(aImages[i].mImage, "image can't be null");
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NS_ASSERTION(!aImages[i].mTimeStamp.IsNull() || aImages.Length() == 1,
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"Multiple images require timestamps");
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if (i > 0) {
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NS_ASSERTION(aImages[i].mTimeStamp >= aImages[i - 1].mTimeStamp,
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"Timestamps must not decrease");
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NS_ASSERTION(aImages[i].mFrameID > aImages[i - 1].mFrameID,
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"FrameIDs must increase");
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NS_ASSERTION(aImages[i].mProducerID == aImages[i - 1].mProducerID,
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"ProducerIDs must be the same");
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}
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OwningImage* img = newImages.AppendElement();
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img->mImage = aImages[i].mImage;
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img->mTimeStamp = aImages[i].mTimeStamp;
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img->mFrameID = aImages[i].mFrameID;
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img->mProducerID = aImages[i].mProducerID;
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for (auto& oldImg : mCurrentImages) {
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if (oldImg.mFrameID == img->mFrameID &&
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oldImg.mProducerID == img->mProducerID) {
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img->mComposited = oldImg.mComposited;
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break;
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}
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}
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}
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mCurrentImages.SwapElements(newImages);
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}
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void
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ImageContainer::ClearImagesFromImageBridge()
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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SetCurrentImageInternal(nsTArray<NonOwningImage>());
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}
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void
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ImageContainer::SetCurrentImages(const nsTArray<NonOwningImage>& aImages)
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{
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MOZ_ASSERT(!aImages.IsEmpty());
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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if (IsAsync()) {
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ImageBridgeChild::DispatchImageClientUpdate(mImageClient, this);
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}
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SetCurrentImageInternal(aImages);
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}
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void
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ImageContainer::ClearAllImages()
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{
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if (IsAsync()) {
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// Let ImageClient release all TextureClients. This doesn't return
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// until ImageBridge has called ClearCurrentImageFromImageBridge.
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ImageBridgeChild::FlushAllImages(mImageClient, this);
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return;
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}
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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SetCurrentImageInternal(nsTArray<NonOwningImage>());
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}
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void
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ImageContainer::SetCurrentImageInTransaction(Image *aImage)
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{
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NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
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NS_ASSERTION(!mImageClient, "Should use async image transfer with ImageBridge.");
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nsAutoTArray<NonOwningImage,1> images;
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images.AppendElement(NonOwningImage(aImage));
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SetCurrentImageInternal(images);
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}
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bool ImageContainer::IsAsync() const
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{
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return mImageClient != nullptr;
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}
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uint64_t ImageContainer::GetAsyncContainerID() const
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{
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NS_ASSERTION(IsAsync(),"Shared image ID is only relevant to async ImageContainers");
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if (IsAsync()) {
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return mImageClient->GetAsyncID();
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} else {
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return 0; // zero is always an invalid AsyncID
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}
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}
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bool
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ImageContainer::HasCurrentImage()
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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return !mCurrentImages.IsEmpty();
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}
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void
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ImageContainer::GetCurrentImages(nsTArray<OwningImage>* aImages,
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uint32_t* aGenerationCounter)
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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*aImages = mCurrentImages;
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if (aGenerationCounter) {
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*aGenerationCounter = mGenerationCounter;
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}
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}
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gfx::IntSize
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ImageContainer::GetCurrentSize()
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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if (mCurrentImages.IsEmpty()) {
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return gfx::IntSize(0, 0);
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}
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return mCurrentImages[0].mImage->GetSize();
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}
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void
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ImageContainer::NotifyCompositeInternal(const ImageCompositeNotification& aNotification)
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{
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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// An image composition notification is sent the first time a particular
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// image is composited by an ImageHost. Thus, every time we receive such
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// a notification, a new image has been painted.
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++mPaintCount;
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if (aNotification.producerID() == mCurrentProducerID) {
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uint32_t i;
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for (i = 0; i < mFrameIDsNotYetComposited.Length(); ++i) {
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if (mFrameIDsNotYetComposited[i] <= aNotification.frameID()) {
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if (mFrameIDsNotYetComposited[i] < aNotification.frameID()) {
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++mDroppedImageCount;
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}
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} else {
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break;
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}
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}
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mFrameIDsNotYetComposited.RemoveElementsAt(0, i);
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for (auto& img : mCurrentImages) {
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if (img.mFrameID == aNotification.frameID()) {
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img.mComposited = true;
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}
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}
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}
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if (!aNotification.imageTimeStamp().IsNull()) {
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mPaintDelay = aNotification.firstCompositeTimeStamp() -
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aNotification.imageTimeStamp();
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}
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}
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PlanarYCbCrImage::PlanarYCbCrImage()
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: Image(nullptr, ImageFormat::PLANAR_YCBCR)
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, mOffscreenFormat(gfxImageFormat::Unknown)
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, mBufferSize(0)
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{
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}
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RecyclingPlanarYCbCrImage::~RecyclingPlanarYCbCrImage()
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{
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if (mBuffer) {
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mRecycleBin->RecycleBuffer(Move(mBuffer), mBufferSize);
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}
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}
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size_t
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RecyclingPlanarYCbCrImage::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
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{
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// Ignoring:
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// - mData - just wraps mBuffer
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// - Surfaces should be reported under gfx-surfaces-*:
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// - mSourceSurface
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// - Base class:
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// - mImplData is not used
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// Not owned:
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// - mRecycleBin
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size_t size = aMallocSizeOf(mBuffer.get());
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// Could add in the future:
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// - mBackendData (from base class)
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return size;
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}
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UniquePtr<uint8_t[]>
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RecyclingPlanarYCbCrImage::AllocateBuffer(uint32_t aSize)
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{
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return mRecycleBin->GetBuffer(aSize);
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}
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static void
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CopyPlane(uint8_t *aDst, const uint8_t *aSrc,
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const gfx::IntSize &aSize, int32_t aStride, int32_t aSkip)
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{
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if (!aSkip) {
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// Fast path: planar input.
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memcpy(aDst, aSrc, aSize.height * aStride);
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} else {
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int32_t height = aSize.height;
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int32_t width = aSize.width;
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for (int y = 0; y < height; ++y) {
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const uint8_t *src = aSrc;
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uint8_t *dst = aDst;
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// Slow path
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for (int x = 0; x < width; ++x) {
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*dst++ = *src++;
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src += aSkip;
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}
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aSrc += aStride;
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aDst += aStride;
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}
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}
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}
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bool
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RecyclingPlanarYCbCrImage::CopyData(const Data& aData)
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{
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mData = aData;
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// update buffer size
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// Use uint32_t throughout to match AllocateBuffer's param and mBufferSize
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const auto checkedSize =
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CheckedInt<uint32_t>(mData.mCbCrStride) * mData.mCbCrSize.height * 2 +
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CheckedInt<uint32_t>(mData.mYStride) * mData.mYSize.height;
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if (!checkedSize.isValid())
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return false;
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const auto size = checkedSize.value();
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// get new buffer
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mBuffer = AllocateBuffer(size);
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if (!mBuffer)
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return false;
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// update buffer size
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mBufferSize = size;
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mData.mYChannel = mBuffer.get();
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mData.mCbChannel = mData.mYChannel + mData.mYStride * mData.mYSize.height;
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mData.mCrChannel = mData.mCbChannel + mData.mCbCrStride * mData.mCbCrSize.height;
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CopyPlane(mData.mYChannel, aData.mYChannel,
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mData.mYSize, mData.mYStride, mData.mYSkip);
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CopyPlane(mData.mCbChannel, aData.mCbChannel,
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mData.mCbCrSize, mData.mCbCrStride, mData.mCbSkip);
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CopyPlane(mData.mCrChannel, aData.mCrChannel,
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mData.mCbCrSize, mData.mCbCrStride, mData.mCrSkip);
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mSize = aData.mPicSize;
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return true;
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}
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bool
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RecyclingPlanarYCbCrImage::SetData(const Data &aData)
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{
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return CopyData(aData);
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}
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gfxImageFormat
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PlanarYCbCrImage::GetOffscreenFormat()
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{
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return mOffscreenFormat == gfxImageFormat::Unknown ?
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gfxPlatform::GetPlatform()->GetOffscreenFormat() :
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mOffscreenFormat;
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}
|
|
|
|
bool
|
|
PlanarYCbCrImage::SetDataNoCopy(const Data &aData)
|
|
{
|
|
mData = aData;
|
|
mSize = aData.mPicSize;
|
|
return true;
|
|
}
|
|
|
|
uint8_t*
|
|
RecyclingPlanarYCbCrImage::AllocateAndGetNewBuffer(uint32_t aSize)
|
|
{
|
|
// get new buffer
|
|
mBuffer = AllocateBuffer(aSize);
|
|
if (mBuffer) {
|
|
// update buffer size
|
|
mBufferSize = aSize;
|
|
}
|
|
return mBuffer.get();
|
|
}
|
|
|
|
already_AddRefed<gfx::SourceSurface>
|
|
PlanarYCbCrImage::GetAsSourceSurface()
|
|
{
|
|
if (mSourceSurface) {
|
|
RefPtr<gfx::SourceSurface> surface(mSourceSurface);
|
|
return surface.forget();
|
|
}
|
|
|
|
gfx::IntSize size(mSize);
|
|
gfx::SurfaceFormat format = gfx::ImageFormatToSurfaceFormat(GetOffscreenFormat());
|
|
gfx::GetYCbCrToRGBDestFormatAndSize(mData, format, size);
|
|
if (mSize.width > PlanarYCbCrImage::MAX_DIMENSION ||
|
|
mSize.height > PlanarYCbCrImage::MAX_DIMENSION) {
|
|
NS_ERROR("Illegal image dest width or height");
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<gfx::DataSourceSurface> surface = gfx::Factory::CreateDataSourceSurface(size, format);
|
|
if (NS_WARN_IF(!surface)) {
|
|
return nullptr;
|
|
}
|
|
|
|
DataSourceSurface::ScopedMap mapping(surface, DataSourceSurface::WRITE);
|
|
if (NS_WARN_IF(!mapping.IsMapped())) {
|
|
return nullptr;
|
|
}
|
|
|
|
gfx::ConvertYCbCrToRGB(mData, format, size, mapping.GetData(), mapping.GetStride());
|
|
|
|
mSourceSurface = surface;
|
|
|
|
return surface.forget();
|
|
}
|
|
|
|
CairoImage::CairoImage(const gfx::IntSize& aSize, gfx::SourceSurface* aSourceSurface)
|
|
: Image(nullptr, ImageFormat::CAIRO_SURFACE),
|
|
mSize(aSize),
|
|
mSourceSurface(aSourceSurface)
|
|
{}
|
|
|
|
CairoImage::~CairoImage()
|
|
{
|
|
}
|
|
|
|
TextureClient*
|
|
CairoImage::GetTextureClient(CompositableClient *aClient)
|
|
{
|
|
if (!aClient) {
|
|
return nullptr;
|
|
}
|
|
|
|
CompositableForwarder* forwarder = aClient->GetForwarder();
|
|
RefPtr<TextureClient> textureClient = mTextureClients.Get(forwarder->GetSerial());
|
|
if (textureClient) {
|
|
return textureClient;
|
|
}
|
|
|
|
RefPtr<SourceSurface> surface = GetAsSourceSurface();
|
|
MOZ_ASSERT(surface);
|
|
if (!surface) {
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
// XXX windows' TextureClients do not hold ISurfaceAllocator,
|
|
// recycler does not work on windows.
|
|
#ifndef XP_WIN
|
|
|
|
// XXX only gonk ensure when TextureClient is recycled,
|
|
// TextureHost is not used by CompositableHost.
|
|
#ifdef MOZ_WIDGET_GONK
|
|
RefPtr<TextureClientRecycleAllocator> recycler =
|
|
aClient->GetTextureClientRecycler();
|
|
if (recycler) {
|
|
textureClient =
|
|
recycler->CreateOrRecycle(surface->GetFormat(),
|
|
surface->GetSize(),
|
|
BackendSelector::Content,
|
|
aClient->GetTextureFlags());
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
if (!textureClient) {
|
|
// gfx::BackendType::NONE means default to content backend
|
|
textureClient = aClient->CreateTextureClientForDrawing(surface->GetFormat(),
|
|
surface->GetSize(),
|
|
BackendSelector::Content,
|
|
TextureFlags::DEFAULT);
|
|
}
|
|
if (!textureClient) {
|
|
return nullptr;
|
|
}
|
|
|
|
TextureClientAutoLock autoLock(textureClient, OpenMode::OPEN_WRITE_ONLY);
|
|
if (!autoLock.Succeeded()) {
|
|
return nullptr;
|
|
}
|
|
|
|
textureClient->UpdateFromSurface(surface);
|
|
|
|
textureClient->SyncWithObject(forwarder->GetSyncObject());
|
|
|
|
mTextureClients.Put(forwarder->GetSerial(), textureClient);
|
|
return textureClient;
|
|
}
|
|
|
|
PImageContainerChild*
|
|
ImageContainer::GetPImageContainerChild()
|
|
{
|
|
return mIPDLChild;
|
|
}
|
|
|
|
/* static */ void
|
|
ImageContainer::NotifyComposite(const ImageCompositeNotification& aNotification)
|
|
{
|
|
ImageContainerChild* child =
|
|
static_cast<ImageContainerChild*>(aNotification.imageContainerChild());
|
|
if (child) {
|
|
MutexAutoLock lock(child->mLock);
|
|
if (child->mImageContainer) {
|
|
child->mImageContainer->NotifyCompositeInternal(aNotification);
|
|
}
|
|
}
|
|
}
|
|
|
|
ImageContainer::ProducerID
|
|
ImageContainer::AllocateProducerID()
|
|
{
|
|
// Callable on all threads.
|
|
static Atomic<ImageContainer::ProducerID> sProducerID(0u);
|
|
return ++sProducerID;
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|