gecko/gfx/layers/composite/CompositableHost.cpp

342 lines
9.5 KiB
C++

/* -*- 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 "CompositableHost.h"
#include <map> // for _Rb_tree_iterator, map, etc
#include <utility> // for pair
#include "ContentHost.h" // for ContentHostDoubleBuffered, etc
#include "Effects.h" // for EffectMask, Effect, etc
#include "ImageHost.h" // for DeprecatedImageHostBuffered, etc
#include "TiledContentHost.h" // for TiledContentHost
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
#include "mozilla/layers/TextureHost.h" // for TextureHost, etc
#include "nsAutoPtr.h" // for nsRefPtr
#include "nsDebug.h" // for NS_WARNING
#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR, etc
namespace mozilla {
namespace layers {
class Matrix4x4;
class Compositor;
CompositableHost::CompositableHost(const TextureInfo& aTextureInfo)
: mTextureInfo(aTextureInfo)
, mCompositor(nullptr)
, mLayer(nullptr)
, mAttached(false)
, mKeepAttached(false)
{
MOZ_COUNT_CTOR(CompositableHost);
}
CompositableHost::~CompositableHost()
{
MOZ_COUNT_DTOR(CompositableHost);
RefPtr<TextureHost> it = mFirstTexture;
while (it) {
if (!(it->GetFlags() & TEXTURE_DEALLOCATE_CLIENT)) {
it->DeallocateSharedData();
}
it = it->GetNextSibling();
}
}
void
CompositableHost::AddTextureHost(TextureHost* aTexture)
{
MOZ_ASSERT(aTexture);
MOZ_ASSERT(GetTextureHost(aTexture->GetID()) == nullptr,
"A texture is already present with this ID");
RefPtr<TextureHost> second = mFirstTexture;
mFirstTexture = aTexture;
aTexture->SetNextSibling(second);
aTexture->SetCompositableBackendSpecificData(GetCompositableBackendSpecificData());
}
void
CompositableHost::RemoveTextureHost(uint64_t aTextureID)
{
if (mFirstTexture && mFirstTexture->GetID() == aTextureID) {
RefPtr<TextureHost> toRemove = mFirstTexture;
mFirstTexture = mFirstTexture->GetNextSibling();
toRemove->SetNextSibling(nullptr);
}
RefPtr<TextureHost> it = mFirstTexture;
while (it) {
if (it->GetNextSibling() &&
it->GetNextSibling()->GetID() == aTextureID) {
RefPtr<TextureHost> toRemove = it->GetNextSibling();
it->SetNextSibling(it->GetNextSibling()->GetNextSibling());
toRemove->SetNextSibling(nullptr);
}
it = it->GetNextSibling();
}
if (!mFirstTexture && mBackendData) {
mBackendData->ClearData();
}
}
TextureHost*
CompositableHost::GetTextureHost(uint64_t aTextureID)
{
RefPtr<TextureHost> it = mFirstTexture;
while (it) {
if (it->GetID() == aTextureID) {
return it;
}
it = it->GetNextSibling();
}
return nullptr;
}
void
CompositableHost::SetCompositor(Compositor* aCompositor)
{
mCompositor = aCompositor;
RefPtr<TextureHost> it = mFirstTexture;
while (!!it) {
it->SetCompositor(aCompositor);
it = it->GetNextSibling();
}
}
bool
CompositableHost::Update(const SurfaceDescriptor& aImage,
SurfaceDescriptor* aResult)
{
if (!GetDeprecatedTextureHost()) {
*aResult = aImage;
return false;
}
MOZ_ASSERT(!GetDeprecatedTextureHost()->GetBuffer(),
"This path not suitable for texture-level double buffering.");
GetDeprecatedTextureHost()->Update(aImage);
*aResult = aImage;
return GetDeprecatedTextureHost()->IsValid();
}
bool
CompositableHost::AddMaskEffect(EffectChain& aEffects,
const gfx::Matrix4x4& aTransform,
bool aIs3D)
{
RefPtr<TextureSource> source;
RefPtr<DeprecatedTextureHost> oldHost = GetDeprecatedTextureHost();
if (oldHost) {
oldHost->Lock();
source = oldHost;
} else {
RefPtr<TextureHost> host = GetTextureHost();
if (host) {
host->Lock();
source = host->GetTextureSources();
}
}
if (!source) {
NS_WARNING("Using compositable with no texture host as mask layer");
return false;
}
RefPtr<EffectMask> effect = new EffectMask(source,
source->GetSize(),
aTransform);
effect->mIs3D = aIs3D;
aEffects.mSecondaryEffects[EFFECT_MASK] = effect;
return true;
}
void
CompositableHost::RemoveMaskEffect()
{
RefPtr<DeprecatedTextureHost> oldHost = GetDeprecatedTextureHost();
if (oldHost) {
oldHost->Unlock();
} else {
RefPtr<TextureHost> host = GetTextureHost();
if (host) {
host->Unlock();
}
}
}
// implemented in TextureHostOGL.cpp
TemporaryRef<CompositableBackendSpecificData> CreateCompositableBackendSpecificDataOGL();
/* static */ TemporaryRef<CompositableHost>
CompositableHost::Create(const TextureInfo& aTextureInfo)
{
RefPtr<CompositableHost> result;
switch (aTextureInfo.mCompositableType) {
case COMPOSITABLE_IMAGE:
result = new ImageHost(aTextureInfo);
break;
case BUFFER_IMAGE_BUFFERED:
result = new DeprecatedImageHostBuffered(aTextureInfo);
break;
case BUFFER_IMAGE_SINGLE:
result = new DeprecatedImageHostSingle(aTextureInfo);
break;
case BUFFER_TILED:
result = new TiledContentHost(aTextureInfo);
break;
case BUFFER_CONTENT:
result = new ContentHostSingleBuffered(aTextureInfo);
break;
case BUFFER_CONTENT_DIRECT:
result = new ContentHostDoubleBuffered(aTextureInfo);
break;
case BUFFER_CONTENT_INC:
result = new ContentHostIncremental(aTextureInfo);
break;
default:
MOZ_CRASH("Unknown CompositableType");
}
if (result) {
RefPtr<CompositableBackendSpecificData> data = CreateCompositableBackendSpecificDataOGL();
result->SetCompositableBackendSpecificData(data);
}
return result;
}
#ifdef MOZ_DUMP_PAINTING
void
CompositableHost::DumpDeprecatedTextureHost(FILE* aFile, DeprecatedTextureHost* aTexture)
{
if (!aTexture) {
return;
}
RefPtr<gfx::DataSourceSurface> dSurf = aTexture->GetAsSurface();
gfxPlatform *platform = gfxPlatform::GetPlatform();
RefPtr<gfx::DrawTarget> dt = platform->CreateDrawTargetForData(dSurf->GetData(),
dSurf->GetSize(),
dSurf->Stride(),
dSurf->GetFormat());
nsRefPtr<gfxASurface> surf = platform->GetThebesSurfaceForDrawTarget(dt);
if (!surf) {
return;
}
surf->DumpAsDataURL(aFile ? aFile : stderr);
}
void
CompositableHost::DumpTextureHost(FILE* aFile, TextureHost* aTexture)
{
if (!aTexture) {
return;
}
RefPtr<gfx::DataSourceSurface> dSurf = aTexture->GetAsSurface();
gfxPlatform *platform = gfxPlatform::GetPlatform();
RefPtr<gfx::DrawTarget> dt = platform->CreateDrawTargetForData(dSurf->GetData(),
dSurf->GetSize(),
dSurf->Stride(),
dSurf->GetFormat());
nsRefPtr<gfxASurface> surf = platform->GetThebesSurfaceForDrawTarget(dt);
if (!surf) {
return;
}
surf->DumpAsDataURL(aFile ? aFile : stderr);
}
#endif
void
CompositableParent::ActorDestroy(ActorDestroyReason why)
{
if (mHost) {
// XXX: sadness warning. We should be able to do this whenever we get ActorDestroy,
// not just for abnormal shutdowns (which is the only case we _need_ to - so that
// we don't double release our shmems). But, for some reason, that causes a
// crash, we don't know why. (Bug 925773).
if (why == AbnormalShutdown) {
mHost->OnActorDestroy();
}
mHost->Detach(nullptr, CompositableHost::FORCE_DETACH);
}
}
CompositableParent::CompositableParent(CompositableParentManager* aMgr,
const TextureInfo& aTextureInfo,
uint64_t aID)
: mManager(aMgr)
, mType(aTextureInfo.mCompositableType)
, mID(aID)
, mCompositorID(0)
{
MOZ_COUNT_CTOR(CompositableParent);
mHost = CompositableHost::Create(aTextureInfo);
if (aID) {
CompositableMap::Set(aID, this);
}
}
CompositableParent::~CompositableParent()
{
MOZ_COUNT_DTOR(CompositableParent);
CompositableMap::Erase(mID);
}
namespace CompositableMap {
typedef std::map<uint64_t, CompositableParent*> CompositableMap_t;
static CompositableMap_t* sCompositableMap = nullptr;
bool IsCreated() {
return sCompositableMap != nullptr;
}
CompositableParent* Get(uint64_t aID)
{
if (!IsCreated() || aID == 0) {
return nullptr;
}
CompositableMap_t::iterator it = sCompositableMap->find(aID);
if (it == sCompositableMap->end()) {
return nullptr;
}
return it->second;
}
void Set(uint64_t aID, CompositableParent* aParent)
{
if (!IsCreated() || aID == 0) {
return;
}
(*sCompositableMap)[aID] = aParent;
}
void Erase(uint64_t aID)
{
if (!IsCreated() || aID == 0) {
return;
}
CompositableMap_t::iterator it = sCompositableMap->find(aID);
if (it != sCompositableMap->end()) {
sCompositableMap->erase(it);
}
}
void Clear()
{
if (!IsCreated()) {
return;
}
sCompositableMap->clear();
}
void Create()
{
if (sCompositableMap == nullptr) {
sCompositableMap = new CompositableMap_t;
}
}
void Destroy()
{
Clear();
delete sCompositableMap;
sCompositableMap = nullptr;
}
} // namespace CompositableMap
} // namespace layers
} // namespace mozilla