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gecko/gfx/layers/composite/TextureHost.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TextureHost.h"
#include "CompositableHost.h" // for CompositableHost
#include "LayersLogging.h" // for AppendToString
#include "gfx2DGlue.h" // for ToIntSize
#include "mozilla/gfx/2D.h" // for DataSourceSurface, Factory
#include "mozilla/ipc/Shmem.h" // for Shmem
#include "mozilla/layers/CompositableTransactionParent.h" // for CompositableParentManager
#include "mozilla/layers/Compositor.h" // for Compositor
#include "mozilla/layers/ISurfaceAllocator.h" // for ISurfaceAllocator
#include "mozilla/layers/ImageDataSerializer.h"
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
#include "mozilla/layers/TextureHostOGL.h" // for TextureHostOGL
#include "mozilla/layers/YCbCrImageDataSerializer.h"
#include "nsAString.h"
#include "nsAutoPtr.h" // for nsRefPtr
#include "nsPrintfCString.h" // for nsPrintfCString
#include "mozilla/layers/PTextureParent.h"
#include "mozilla/unused.h"
#include <limits>
#include "SharedSurface.h"
#include "SharedSurfaceEGL.h"
#include "SharedSurfaceGL.h"
#include "SurfaceStream.h"
#include "../opengl/CompositorOGL.h"
#ifdef MOZ_ENABLE_D3D10_LAYER
#include "../d3d11/CompositorD3D11.h"
#endif
#ifdef MOZ_WIDGET_GONK
#include "../opengl/GrallocTextureClient.h"
#include "../opengl/GrallocTextureHost.h"
#include "SharedSurfaceGralloc.h"
#endif
#ifdef MOZ_X11
#include "mozilla/layers/X11TextureHost.h"
#endif
#ifdef XP_MACOSX
#include "SharedSurfaceIO.h"
#include "../opengl/MacIOSurfaceTextureHostOGL.h"
#endif
#ifdef XP_WIN
#include "SharedSurfaceANGLE.h"
#include "mozilla/layers/TextureDIB.h"
#endif
#if 0
#define RECYCLE_LOG(...) printf_stderr(__VA_ARGS__)
#else
#define RECYCLE_LOG(...) do { } while (0)
#endif
struct nsIntPoint;
namespace mozilla {
namespace layers {
/**
* TextureParent is the host-side IPDL glue between TextureClient and TextureHost.
* It is an IPDL actor just like LayerParent, CompositableParent, etc.
*/
class TextureParent : public PTextureParent
{
public:
explicit TextureParent(CompositableParentManager* aManager);
~TextureParent();
bool Init(const SurfaceDescriptor& aSharedData,
const TextureFlags& aFlags);
void CompositorRecycle();
void SendFenceHandleIfPresent();
virtual bool RecvClientRecycle() MOZ_OVERRIDE;
virtual bool RecvClearTextureHostSync() MOZ_OVERRIDE;
virtual bool RecvRemoveTexture() MOZ_OVERRIDE;
TextureHost* GetTextureHost() { return mTextureHost; }
void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
void ClearTextureHost();
CompositableParentManager* mCompositableManager;
RefPtr<TextureHost> mWaitForClientRecycle;
RefPtr<TextureHost> mTextureHost;
};
// static
PTextureParent*
TextureHost::CreateIPDLActor(CompositableParentManager* aManager,
const SurfaceDescriptor& aSharedData,
TextureFlags aFlags)
{
if (aSharedData.type() == SurfaceDescriptor::TSurfaceDescriptorMemory &&
!aManager->IsSameProcess())
{
NS_ERROR("A client process is trying to peek at our address space using a MemoryTexture!");
return nullptr;
}
TextureParent* actor = new TextureParent(aManager);
if (!actor->Init(aSharedData, aFlags)) {
delete actor;
return nullptr;
}
return actor;
}
// static
bool
TextureHost::DestroyIPDLActor(PTextureParent* actor)
{
delete actor;
return true;
}
// static
bool
TextureHost::SendDeleteIPDLActor(PTextureParent* actor)
{
return PTextureParent::Send__delete__(actor);
}
// static
TextureHost*
TextureHost::AsTextureHost(PTextureParent* actor)
{
return actor? static_cast<TextureParent*>(actor)->mTextureHost : nullptr;
}
PTextureParent*
TextureHost::GetIPDLActor()
{
return mActor;
}
// static
void
TextureHost::SendFenceHandleIfPresent(PTextureParent* actor)
{
TextureParent* parent = static_cast<TextureParent*>(actor);
parent->SendFenceHandleIfPresent();
}
FenceHandle
TextureHost::GetAndResetReleaseFenceHandle()
{
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
TextureHostOGL* hostOGL = this->AsHostOGL();
if (!hostOGL) {
return FenceHandle();
}
android::sp<android::Fence> fence = hostOGL->GetAndResetReleaseFence();
if (fence.get() && fence->isValid()) {
FenceHandle handle = FenceHandle(fence);
return handle;
}
#endif
return FenceHandle();
}
// implemented in TextureHostOGL.cpp
TemporaryRef<TextureHost> CreateTextureHostOGL(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags);
// implemented in TextureHostBasic.cpp
TemporaryRef<TextureHost> CreateTextureHostBasic(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags);
// implemented in TextureD3D11.cpp
TemporaryRef<TextureHost> CreateTextureHostD3D11(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags);
// implemented in TextureD3D9.cpp
TemporaryRef<TextureHost> CreateTextureHostD3D9(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags);
// static
TemporaryRef<TextureHost>
TextureHost::Create(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
{
switch (aDesc.type()) {
case SurfaceDescriptor::TSurfaceDescriptorShmem:
case SurfaceDescriptor::TSurfaceDescriptorMemory:
case SurfaceDescriptor::TSurfaceDescriptorDIB:
return CreateBackendIndependentTextureHost(aDesc, aDeallocator, aFlags);
case SurfaceDescriptor::TSharedTextureDescriptor:
case SurfaceDescriptor::TNewSurfaceDescriptorGralloc:
return CreateTextureHostOGL(aDesc, aDeallocator, aFlags);
case SurfaceDescriptor::TSurfaceStreamDescriptor:
return new StreamTextureHost(aFlags, aDesc.get_SurfaceStreamDescriptor());
case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface:
if (Compositor::GetBackend() == LayersBackend::LAYERS_OPENGL) {
return CreateTextureHostOGL(aDesc, aDeallocator, aFlags);
} else {
return CreateTextureHostBasic(aDesc, aDeallocator, aFlags);
}
#ifdef MOZ_X11
case SurfaceDescriptor::TSurfaceDescriptorX11: {
const SurfaceDescriptorX11& desc = aDesc.get_SurfaceDescriptorX11();
RefPtr<TextureHost> result = new X11TextureHost(aFlags, desc);
return result;
}
#endif
#ifdef XP_WIN
case SurfaceDescriptor::TSurfaceDescriptorD3D9:
return CreateTextureHostD3D9(aDesc, aDeallocator, aFlags);
case SurfaceDescriptor::TSurfaceDescriptorD3D10:
if (Compositor::GetBackend() == LayersBackend::LAYERS_D3D9) {
return CreateTextureHostD3D9(aDesc, aDeallocator, aFlags);
} else {
return CreateTextureHostD3D11(aDesc, aDeallocator, aFlags);
}
#endif
default:
MOZ_CRASH("Unsupported Surface type");
}
}
TemporaryRef<TextureHost>
CreateBackendIndependentTextureHost(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
{
RefPtr<TextureHost> result;
switch (aDesc.type()) {
case SurfaceDescriptor::TSurfaceDescriptorShmem: {
const SurfaceDescriptorShmem& descriptor = aDesc.get_SurfaceDescriptorShmem();
result = new ShmemTextureHost(descriptor.data(),
descriptor.format(),
aDeallocator,
aFlags);
break;
}
case SurfaceDescriptor::TSurfaceDescriptorMemory: {
const SurfaceDescriptorMemory& descriptor = aDesc.get_SurfaceDescriptorMemory();
result = new MemoryTextureHost(reinterpret_cast<uint8_t*>(descriptor.data()),
descriptor.format(),
aFlags);
break;
}
#ifdef XP_WIN
case SurfaceDescriptor::TSurfaceDescriptorDIB: {
result = new DIBTextureHost(aFlags, aDesc);
break;
}
#endif
default: {
NS_WARNING("No backend independent TextureHost for this descriptor type");
}
}
return result;
}
void
TextureHost::CompositorRecycle()
{
if (!mActor) {
return;
}
static_cast<TextureParent*>(mActor)->CompositorRecycle();
}
void
TextureHost::SetCompositableBackendSpecificData(CompositableBackendSpecificData* aBackendData)
{
mCompositableBackendData = aBackendData;
}
TextureHost::TextureHost(TextureFlags aFlags)
: mActor(nullptr)
, mFlags(aFlags)
{}
TextureHost::~TextureHost()
{
}
void TextureHost::Finalize()
{
if (!(GetFlags() & TextureFlags::DEALLOCATE_CLIENT)) {
DeallocateSharedData();
DeallocateDeviceData();
}
}
void
TextureHost::PrintInfo(std::stringstream& aStream, const char* aPrefix)
{
aStream << aPrefix;
aStream << nsPrintfCString("%s (0x%p)", Name(), this).get();
// Note: the TextureHost needs to be locked before it is safe to call
// GetSize() and GetFormat() on it.
if (Lock()) {
AppendToString(aStream, GetSize(), " [size=", "]");
AppendToString(aStream, GetFormat(), " [format=", "]");
Unlock();
}
AppendToString(aStream, mFlags, " [flags=", "]");
}
void
TextureSource::SetCompositableBackendSpecificData(CompositableBackendSpecificData* aBackendData)
{
mCompositableBackendData = aBackendData;
}
TextureSource::TextureSource()
{
MOZ_COUNT_CTOR(TextureSource);
}
TextureSource::~TextureSource()
{
MOZ_COUNT_DTOR(TextureSource);
}
BufferTextureHost::BufferTextureHost(gfx::SurfaceFormat aFormat,
TextureFlags aFlags)
: TextureHost(aFlags)
, mCompositor(nullptr)
, mFormat(aFormat)
, mUpdateSerial(1)
, mLocked(false)
, mNeedsFullUpdate(false)
{}
BufferTextureHost::~BufferTextureHost()
{}
void
BufferTextureHost::Updated(const nsIntRegion* aRegion)
{
++mUpdateSerial;
// If the last frame wasn't uploaded yet, and we -don't- have a partial update,
// we still need to update the full surface.
if (aRegion && !mNeedsFullUpdate) {
mMaybeUpdatedRegion = mMaybeUpdatedRegion.Or(mMaybeUpdatedRegion, *aRegion);
} else {
mNeedsFullUpdate = true;
}
if (GetFlags() & TextureFlags::IMMEDIATE_UPLOAD) {
DebugOnly<bool> result = MaybeUpload(!mNeedsFullUpdate ? &mMaybeUpdatedRegion : nullptr);
NS_WARN_IF_FALSE(result, "Failed to upload a texture");
}
}
void
BufferTextureHost::SetCompositor(Compositor* aCompositor)
{
if (mCompositor == aCompositor) {
return;
}
RefPtr<NewTextureSource> it = mFirstSource;
while (it) {
it->SetCompositor(aCompositor);
it = it->GetNextSibling();
}
mCompositor = aCompositor;
}
void
BufferTextureHost::DeallocateDeviceData()
{
RefPtr<NewTextureSource> it = mFirstSource;
while (it) {
it->DeallocateDeviceData();
it = it->GetNextSibling();
}
}
bool
BufferTextureHost::Lock()
{
MOZ_ASSERT(!mLocked);
if (!MaybeUpload(!mNeedsFullUpdate ? &mMaybeUpdatedRegion : nullptr)) {
return false;
}
mLocked = !!mFirstSource;
return mLocked;
}
void
BufferTextureHost::Unlock()
{
MOZ_ASSERT(mLocked);
mLocked = false;
}
NewTextureSource*
BufferTextureHost::GetTextureSources()
{
MOZ_ASSERT(mLocked);
MOZ_ASSERT(mFirstSource);
return mFirstSource;
}
gfx::SurfaceFormat
BufferTextureHost::GetFormat() const
{
// mFormat is the format of the data that we share with the content process.
// GetFormat, on the other hand, expects the format that we present to the
// Compositor (it is used to choose the effect type).
// if the compositor does not support YCbCr effects, we give it a RGBX texture
// instead (see BufferTextureHost::Upload)
if (mFormat == gfx::SurfaceFormat::YUV &&
mCompositor &&
!mCompositor->SupportsEffect(EffectTypes::YCBCR)) {
return gfx::SurfaceFormat::R8G8B8X8;
}
return mFormat;
}
bool
BufferTextureHost::MaybeUpload(nsIntRegion *aRegion)
{
if (mFirstSource && mFirstSource->GetUpdateSerial() == mUpdateSerial) {
return true;
}
if (!Upload(aRegion)) {
return false;
}
// We no longer have an invalid region.
mNeedsFullUpdate = false;
mMaybeUpdatedRegion.SetEmpty();
// If upload returns true we know mFirstSource is not null
mFirstSource->SetUpdateSerial(mUpdateSerial);
return true;
}
bool
BufferTextureHost::Upload(nsIntRegion *aRegion)
{
if (!GetBuffer()) {
// We don't have a buffer; a possible cause is that the IPDL actor
// is already dead. This inevitably happens as IPDL actors can die
// at any time, so we want to silently return in this case.
return false;
}
if (!mCompositor) {
NS_WARNING("Tried to upload without a compositor. Skipping texture upload...");
// If we are in this situation it means we should have called SetCompositor
// earlier. It is conceivable that on certain rare conditions with async-video
// we may end up here for the first frame, but this should not happen repeatedly.
return false;
}
if (mFormat == gfx::SurfaceFormat::UNKNOWN) {
NS_WARNING("BufferTextureHost: unsupported format!");
return false;
} else if (mFormat == gfx::SurfaceFormat::YUV) {
YCbCrImageDataDeserializer yuvDeserializer(GetBuffer(), GetBufferSize());
MOZ_ASSERT(yuvDeserializer.IsValid());
if (!mCompositor->SupportsEffect(EffectTypes::YCBCR)) {
RefPtr<gfx::DataSourceSurface> surf = yuvDeserializer.ToDataSourceSurface();
if (NS_WARN_IF(!surf)) {
return false;
}
if (!mFirstSource) {
mFirstSource = mCompositor->CreateDataTextureSource(mFlags);
}
mFirstSource->Update(surf, aRegion);
return true;
}
RefPtr<DataTextureSource> srcY;
RefPtr<DataTextureSource> srcU;
RefPtr<DataTextureSource> srcV;
if (!mFirstSource) {
// We don't support BigImages for YCbCr compositing.
srcY = mCompositor->CreateDataTextureSource(mFlags|TextureFlags::DISALLOW_BIGIMAGE);
srcU = mCompositor->CreateDataTextureSource(mFlags|TextureFlags::DISALLOW_BIGIMAGE);
srcV = mCompositor->CreateDataTextureSource(mFlags|TextureFlags::DISALLOW_BIGIMAGE);
mFirstSource = srcY;
srcY->SetNextSibling(srcU);
srcU->SetNextSibling(srcV);
} else {
// mFormat never changes so if this was created as a YCbCr host and already
// contains a source it should already have 3 sources.
// BufferTextureHost only uses DataTextureSources so it is safe to assume
// all 3 sources are DataTextureSource.
MOZ_ASSERT(mFirstSource->GetNextSibling());
MOZ_ASSERT(mFirstSource->GetNextSibling()->GetNextSibling());
srcY = mFirstSource;
srcU = mFirstSource->GetNextSibling()->AsDataTextureSource();
srcV = mFirstSource->GetNextSibling()->GetNextSibling()->AsDataTextureSource();
}
RefPtr<gfx::DataSourceSurface> tempY =
gfx::Factory::CreateWrappingDataSourceSurface(yuvDeserializer.GetYData(),
yuvDeserializer.GetYStride(),
yuvDeserializer.GetYSize(),
gfx::SurfaceFormat::A8);
RefPtr<gfx::DataSourceSurface> tempCb =
gfx::Factory::CreateWrappingDataSourceSurface(yuvDeserializer.GetCbData(),
yuvDeserializer.GetCbCrStride(),
yuvDeserializer.GetCbCrSize(),
gfx::SurfaceFormat::A8);
RefPtr<gfx::DataSourceSurface> tempCr =
gfx::Factory::CreateWrappingDataSourceSurface(yuvDeserializer.GetCrData(),
yuvDeserializer.GetCbCrStride(),
yuvDeserializer.GetCbCrSize(),
gfx::SurfaceFormat::A8);
// We don't support partial updates for Y U V textures
NS_ASSERTION(!aRegion, "Unsupported partial updates for YCbCr textures");
if (!srcY->Update(tempY) ||
!srcU->Update(tempCb) ||
!srcV->Update(tempCr)) {
NS_WARNING("failed to update the DataTextureSource");
return false;
}
} else {
// non-YCbCr case
if (!mFirstSource) {
mFirstSource = mCompositor->CreateDataTextureSource();
}
ImageDataDeserializer deserializer(GetBuffer(), GetBufferSize());
if (!deserializer.IsValid()) {
NS_ERROR("Failed to deserialize image!");
return false;
}
RefPtr<gfx::DataSourceSurface> surf = deserializer.GetAsSurface();
if (!surf) {
return false;
}
if (!mFirstSource->Update(surf.get(), aRegion)) {
NS_WARNING("failed to update the DataTextureSource");
return false;
}
}
MOZ_ASSERT(mFirstSource);
return true;
}
TemporaryRef<gfx::DataSourceSurface>
BufferTextureHost::GetAsSurface()
{
RefPtr<gfx::DataSourceSurface> result;
if (mFormat == gfx::SurfaceFormat::UNKNOWN) {
NS_WARNING("BufferTextureHost: unsupported format!");
return nullptr;
} else if (mFormat == gfx::SurfaceFormat::YUV) {
YCbCrImageDataDeserializer yuvDeserializer(GetBuffer(), GetBufferSize());
if (!yuvDeserializer.IsValid()) {
return nullptr;
}
result = yuvDeserializer.ToDataSourceSurface();
if (NS_WARN_IF(!result)) {
return nullptr;
}
} else {
ImageDataDeserializer deserializer(GetBuffer(), GetBufferSize());
if (!deserializer.IsValid()) {
NS_ERROR("Failed to deserialize image!");
return nullptr;
}
result = deserializer.GetAsSurface();
}
return result.forget();
}
ShmemTextureHost::ShmemTextureHost(const ipc::Shmem& aShmem,
gfx::SurfaceFormat aFormat,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
: BufferTextureHost(aFormat, aFlags)
, mShmem(MakeUnique<ipc::Shmem>(aShmem))
, mDeallocator(aDeallocator)
{
MOZ_COUNT_CTOR(ShmemTextureHost);
}
ShmemTextureHost::~ShmemTextureHost()
{
MOZ_ASSERT(!mShmem || (mFlags & TextureFlags::DEALLOCATE_CLIENT),
"Leaking our buffer");
DeallocateDeviceData();
MOZ_COUNT_DTOR(ShmemTextureHost);
}
void
ShmemTextureHost::DeallocateSharedData()
{
if (mShmem) {
MOZ_ASSERT(mDeallocator,
"Shared memory would leak without a ISurfaceAllocator");
mDeallocator->DeallocShmem(*mShmem);
mShmem = nullptr;
}
}
void
ShmemTextureHost::ForgetSharedData()
{
if (mShmem) {
mShmem = nullptr;
}
}
void
ShmemTextureHost::OnShutdown()
{
mShmem = nullptr;
}
uint8_t* ShmemTextureHost::GetBuffer()
{
return mShmem ? mShmem->get<uint8_t>() : nullptr;
}
size_t ShmemTextureHost::GetBufferSize()
{
return mShmem ? mShmem->Size<uint8_t>() : 0;
}
MemoryTextureHost::MemoryTextureHost(uint8_t* aBuffer,
gfx::SurfaceFormat aFormat,
TextureFlags aFlags)
: BufferTextureHost(aFormat, aFlags)
, mBuffer(aBuffer)
{
MOZ_COUNT_CTOR(MemoryTextureHost);
}
MemoryTextureHost::~MemoryTextureHost()
{
MOZ_ASSERT(!mBuffer || (mFlags & TextureFlags::DEALLOCATE_CLIENT),
"Leaking our buffer");
DeallocateDeviceData();
MOZ_COUNT_DTOR(MemoryTextureHost);
}
void
MemoryTextureHost::DeallocateSharedData()
{
if (mBuffer) {
GfxMemoryImageReporter::WillFree(mBuffer);
}
delete[] mBuffer;
mBuffer = nullptr;
}
void
MemoryTextureHost::ForgetSharedData()
{
mBuffer = nullptr;
}
uint8_t* MemoryTextureHost::GetBuffer()
{
return mBuffer;
}
size_t MemoryTextureHost::GetBufferSize()
{
// MemoryTextureHost just trusts that the buffer size is large enough to read
// anything we need to. That's because MemoryTextureHost has to trust the buffer
// pointer anyway, so the security model here is just that MemoryTexture's
// are restricted to same-process clients.
return std::numeric_limits<size_t>::max();
}
TextureParent::TextureParent(CompositableParentManager* aCompositableManager)
: mCompositableManager(aCompositableManager)
{
MOZ_COUNT_CTOR(TextureParent);
}
TextureParent::~TextureParent()
{
MOZ_COUNT_DTOR(TextureParent);
if (mTextureHost) {
mTextureHost->ClearRecycleCallback();
}
}
static void RecycleCallback(TextureHost* textureHost, void* aClosure) {
TextureParent* tp = reinterpret_cast<TextureParent*>(aClosure);
tp->CompositorRecycle();
}
void
TextureParent::CompositorRecycle()
{
mTextureHost->ClearRecycleCallback();
SendFenceHandleIfPresent();
if (mTextureHost->GetFlags() & TextureFlags::RECYCLE) {
mozilla::unused << SendCompositorRecycle();
// Don't forget to prepare for the next reycle
// if TextureClient request it.
mWaitForClientRecycle = mTextureHost;
}
}
void
TextureParent::SendFenceHandleIfPresent()
{
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
if (mTextureHost) {
TextureHostOGL* hostOGL = mTextureHost->AsHostOGL();
if (!hostOGL) {
return;
}
android::sp<android::Fence> fence = hostOGL->GetAndResetReleaseFence();
if (fence.get() && fence->isValid()) {
// HWC might not provide Fence.
// In this case, HWC implicitly handles buffer's fence.
FenceHandle handle = FenceHandle(fence);
RefPtr<FenceDeliveryTracker> tracker = new FenceDeliveryTracker(handle);
mCompositableManager->SendFenceHandle(tracker, this, handle);
}
}
#endif
}
bool
TextureParent::RecvClientRecycle()
{
// This will allow the RecycleCallback to be called once the compositor
// releases any external references to TextureHost.
mTextureHost->SetRecycleCallback(RecycleCallback, this);
if (!mWaitForClientRecycle) {
RECYCLE_LOG("Not a recycable tile");
}
mWaitForClientRecycle = nullptr;
return true;
}
bool
TextureParent::Init(const SurfaceDescriptor& aSharedData,
const TextureFlags& aFlags)
{
mTextureHost = TextureHost::Create(aSharedData,
mCompositableManager,
aFlags);
if (mTextureHost) {
mTextureHost->mActor = this;
if (aFlags & TextureFlags::RECYCLE) {
mWaitForClientRecycle = mTextureHost;
RECYCLE_LOG("Setup recycling for tile %p\n", this);
}
}
return !!mTextureHost;
}
bool
TextureParent::RecvRemoveTexture()
{
return PTextureParent::Send__delete__(this);
}
bool
TextureParent::RecvClearTextureHostSync()
{
ClearTextureHost();
return true;
}
void
TextureParent::ActorDestroy(ActorDestroyReason why)
{
switch (why) {
case AncestorDeletion:
case Deletion:
case NormalShutdown:
case AbnormalShutdown:
break;
case FailedConstructor:
NS_RUNTIMEABORT("FailedConstructor isn't possible in PTexture");
}
ClearTextureHost();
}
void
TextureParent::ClearTextureHost()
{
if (!mTextureHost) {
return;
}
if (mTextureHost->GetFlags() & TextureFlags::RECYCLE) {
RECYCLE_LOG("clear recycling for tile %p\n", this);
mTextureHost->ClearRecycleCallback();
}
if (mTextureHost->GetFlags() & TextureFlags::DEALLOCATE_CLIENT) {
mTextureHost->ForgetSharedData();
}
// Clear recycle callback.
mTextureHost->ClearRecycleCallback();
mWaitForClientRecycle = nullptr;
mTextureHost->mActor = nullptr;
mTextureHost = nullptr;
}
////////////////////////////////////////////////////////////////////////
// StreamTextureHost
StreamTextureHost::StreamTextureHost(TextureFlags aFlags,
const SurfaceStreamDescriptor& aDesc)
: TextureHost(aFlags)
{
mStream = (gl::SurfaceStream*)aDesc.surfStream();
MOZ_ASSERT(mStream);
}
StreamTextureHost::~StreamTextureHost()
{
// If need to deallocate textures, call DeallocateSharedData() before
// the destructor
}
bool
StreamTextureHost::Lock()
{
if (!mCompositor) {
return false;
}
gl::SharedSurface* abstractSurf = mStream->SwapConsumer();
if (!abstractSurf) {
return false;
}
bool compositorSupportsShSurfType = false;
switch (mCompositor->GetBackendType()) {
case LayersBackend::LAYERS_BASIC:
case LayersBackend::LAYERS_D3D9:
case LayersBackend::LAYERS_D3D10:
switch (abstractSurf->mType) {
case gl::SharedSurfaceType::Basic:
compositorSupportsShSurfType = true;
break;
default:
break;
}
break;
case LayersBackend::LAYERS_OPENGL:
switch (abstractSurf->mType) {
case gl::SharedSurfaceType::Basic:
case gl::SharedSurfaceType::GLTextureShare:
case gl::SharedSurfaceType::EGLImageShare:
case gl::SharedSurfaceType::Gralloc:
case gl::SharedSurfaceType::IOSurface:
compositorSupportsShSurfType = true;
break;
default:
break;
}
break;
case LayersBackend::LAYERS_D3D11:
switch (abstractSurf->mType) {
case gl::SharedSurfaceType::Basic:
case gl::SharedSurfaceType::EGLSurfaceANGLE:
compositorSupportsShSurfType = true;
break;
default:
break;
}
break;
default:
break;
}
RefPtr<NewTextureSource> newTexSource;
if (compositorSupportsShSurfType) {
gfx::SurfaceFormat format = abstractSurf->mHasAlpha ? gfx::SurfaceFormat::R8G8B8A8
: gfx::SurfaceFormat::R8G8B8X8;
switch (abstractSurf->mType) {
case gl::SharedSurfaceType::Basic: {
gl::SharedSurface_Basic* surf = gl::SharedSurface_Basic::Cast(abstractSurf);
if (!this->mDataTextureSource) {
TextureFlags flags = TextureFlags::DEALLOCATE_CLIENT;
this->mDataTextureSource = mCompositor->CreateDataTextureSource(flags);
}
this->mDataTextureSource->Update(surf->GetData());
newTexSource = mDataTextureSource;
break;
}
case gl::SharedSurfaceType::GLTextureShare: {
gl::SharedSurface_GLTexture* surf = gl::SharedSurface_GLTexture::Cast(abstractSurf);
MOZ_ASSERT(mCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL);
CompositorOGL* compositorOGL = static_cast<CompositorOGL*>(mCompositor);
gl::GLContext* gl = compositorOGL->gl();
GLenum target = surf->ConsTextureTarget();
GLuint tex = surf->ConsTexture(gl);
newTexSource = new GLTextureSource(compositorOGL,
tex,
format,
target,
surf->mSize);
break;
}
#ifdef MOZ_ENABLE_D3D10_LAYER
case gl::SharedSurfaceType::EGLSurfaceANGLE: {
gl::SharedSurface_ANGLEShareHandle* surf = gl::SharedSurface_ANGLEShareHandle::Cast(abstractSurf);
HANDLE shareHandle = surf->GetShareHandle();
MOZ_ASSERT(mCompositor->GetBackendType() == LayersBackend::LAYERS_D3D11);
CompositorD3D11* compositorD3D11 = static_cast<CompositorD3D11*>(mCompositor);
ID3D11Device* d3d = compositorD3D11->GetDevice();
nsRefPtr<ID3D11Texture2D> tex;
HRESULT hr = d3d->OpenSharedResource(shareHandle,
__uuidof(ID3D11Texture2D),
getter_AddRefs(tex));
if (FAILED(hr)) {
NS_WARNING("Failed to open shared resource.");
break;
}
newTexSource = new DataTextureSourceD3D11(format, compositorD3D11, tex);
break;
}
#endif
case gl::SharedSurfaceType::EGLImageShare: {
gl::SharedSurface_EGLImage* surf = gl::SharedSurface_EGLImage::Cast(abstractSurf);
MOZ_ASSERT(mCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL);
CompositorOGL* compositorOGL = static_cast<CompositorOGL*>(mCompositor);
gl::GLContext* gl = compositorOGL->gl();
MOZ_ASSERT(gl->IsCurrent());
GLenum target = 0;
GLuint tex = 0;
surf->AcquireConsumerTexture(gl, &tex, &target);
newTexSource = new GLTextureSource(compositorOGL,
tex,
format,
target,
surf->mSize);
break;
}
case gl::SharedSurfaceType::Gralloc: {
MOZ_ASSERT(false, "WebGL in the Host process? Gralloc without E10S? Not yet supported.");
break;
}
#ifdef XP_MACOSX
case gl::SharedSurfaceType::IOSurface: {
gl::SharedSurface_IOSurface* surf = gl::SharedSurface_IOSurface::Cast(abstractSurf);
MacIOSurface* ioSurf = surf->GetIOSurface();
MOZ_ASSERT(mCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL);
CompositorOGL* compositorOGL = static_cast<CompositorOGL*>(mCompositor);
newTexSource = new MacIOSurfaceTextureSourceOGL(compositorOGL,
ioSurf);
break;
}
#endif
default:
break;
}
} else {
// Do readback, and make a buffer view for it?
NS_WARNING("`!compositorSupportsShSurfType`.");
return false;
}
MOZ_ASSERT(newTexSource.get(), "TextureSource creation failed.");
if (!newTexSource)
return false;
mTextureSource = newTexSource;
return true;
}
void
StreamTextureHost::Unlock()
{
}
void
StreamTextureHost::SetCompositor(Compositor* aCompositor)
{
mCompositor = aCompositor;
}
gfx::SurfaceFormat
StreamTextureHost::GetFormat() const
{
MOZ_ASSERT(mTextureSource);
return mTextureSource->GetFormat();
}
gfx::IntSize
StreamTextureHost::GetSize() const
{
MOZ_ASSERT(mTextureSource);
return mTextureSource->GetSize();
}
////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace
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