bool
TabChild::InitWidget(const nsIntSize& size)
{
NS_ABORT_IF_FALSE(!mWidget && !mRemoteFrame, "CreateWidget twice?");
mWidget = nsIWidget::CreatePuppetWidget(this);
if (!mWidget) {
NS_ERROR("couldn't create fake widget");
return false;
}
mWidget->Create(
nullptr, 0, // no parents
nsIntRect(nsIntPoint(0, 0), size),
nullptr, // HandleWidgetEvent
nullptr // nsDeviceContext
);
LayersBackend be;
uint64_t id;
int32_t maxTextureSize;
RenderFrameChild* remoteFrame =
static_cast<RenderFrameChild*>(SendPRenderFrameConstructor(
&mScrolling, &be, &maxTextureSize, &id));
if (!remoteFrame) {
NS_WARNING("failed to construct RenderFrame");
return false;
}
PLayersChild* shadowManager = nullptr;
if (id != 0) {
// Pushing layers transactions directly to a separate
// compositor context.
shadowManager =
CompositorChild::Get()->SendPLayersConstructor(be, id,
&be,
&maxTextureSize);
} else {
// Pushing transactions to the parent content.
shadowManager = remoteFrame->SendPLayersConstructor();
}
if (!shadowManager) {
NS_WARNING("failed to construct LayersChild");
// This results in |remoteFrame| being deleted.
PRenderFrameChild::Send__delete__(remoteFrame);
return false;
}
ShadowLayerForwarder* lf =
mWidget->GetLayerManager(shadowManager, be)->AsShadowForwarder();
NS_ABORT_IF_FALSE(lf && lf->HasShadowManager(),
"PuppetWidget should have shadow manager");
lf->SetParentBackendType(be);
lf->SetMaxTextureSize(maxTextureSize);
mRemoteFrame = remoteFrame;
return true;
}
void nsBaseWidget::CreateCompositor()
{
mCompositorThread = new Thread("CompositorThread");
if (mCompositorThread->Start()) {
bool renderToEGLSurface = false;
#ifdef MOZ_JAVA_COMPOSITOR
renderToEGLSurface = true;
#endif
nsIntRect rect;
GetBounds(rect);
mCompositorParent =
new CompositorParent(this, mCompositorThread->message_loop(), mCompositorThread->thread_id(),
renderToEGLSurface, rect.width, rect.height);
LayerManager* lm = CreateBasicLayerManager();
MessageLoop *childMessageLoop = mCompositorThread->message_loop();
mCompositorChild = new CompositorChild(lm);
AsyncChannel *parentChannel = mCompositorParent->GetIPCChannel();
AsyncChannel::Side childSide = mozilla::ipc::AsyncChannel::Child;
mCompositorChild->Open(parentChannel, childMessageLoop, childSide);
PRInt32 maxTextureSize;
PLayersChild* shadowManager;
if (mUseAcceleratedRendering) {
shadowManager = mCompositorChild->SendPLayersConstructor(LayerManager::LAYERS_OPENGL, &maxTextureSize);
} else {
shadowManager = mCompositorChild->SendPLayersConstructor(LayerManager::LAYERS_BASIC, &maxTextureSize);
}
if (shadowManager) {
ShadowLayerForwarder* lf = lm->AsShadowForwarder();
if (!lf) {
delete lm;
mCompositorChild = nsnull;
return;
}
lf->SetShadowManager(shadowManager);
if (mUseAcceleratedRendering)
lf->SetParentBackendType(LayerManager::LAYERS_OPENGL);
else
lf->SetParentBackendType(LayerManager::LAYERS_BASIC);
lf->SetMaxTextureSize(maxTextureSize);
mLayerManager = lm;
} else {
// We don't currently want to support not having a LayersChild
NS_RUNTIMEABORT("failed to construct LayersChild");
delete lm;
mCompositorChild = nsnull;
}
}
}
bool
TabChild::InitWidget(const nsIntSize& size)
{
NS_ABORT_IF_FALSE(!mWidget && !mRemoteFrame, "CreateWidget twice?");
mWidget = nsIWidget::CreatePuppetWidget(this);
if (!mWidget) {
NS_ERROR("couldn't create fake widget");
return false;
}
mWidget->Create(
nsnull, 0, // no parents
nsIntRect(nsIntPoint(0, 0), size),
nsnull, // HandleWidgetEvent
nsnull // nsDeviceContext
);
RenderFrameChild* remoteFrame =
static_cast<RenderFrameChild*>(SendPRenderFrameConstructor());
if (!remoteFrame) {
NS_WARNING("failed to construct RenderFrame");
return false;
}
NS_ABORT_IF_FALSE(0 == remoteFrame->ManagedPLayersChild().Length(),
"shouldn't have a shadow manager yet");
LayerManager::LayersBackend be;
PRInt32 maxTextureSize;
PLayersChild* shadowManager = remoteFrame->SendPLayersConstructor(&be, &maxTextureSize);
if (!shadowManager) {
NS_WARNING("failed to construct LayersChild");
// This results in |remoteFrame| being deleted.
PRenderFrameChild::Send__delete__(remoteFrame);
return false;
}
ShadowLayerForwarder* lf =
mWidget->GetLayerManager(shadowManager, be)->AsShadowForwarder();
NS_ABORT_IF_FALSE(lf && lf->HasShadowManager(),
"PuppetWidget should have shadow manager");
lf->SetParentBackendType(be);
lf->SetMaxTextureSize(maxTextureSize);
mRemoteFrame = remoteFrame;
return true;
}
void nsBaseWidget::CreateCompositor()
{
bool renderToEGLSurface = false;
#ifdef MOZ_ANDROID_OMTC
renderToEGLSurface = true;
#endif
nsIntRect rect;
GetBounds(rect);
mCompositorParent =
new CompositorParent(this, renderToEGLSurface, rect.width, rect.height);
LayerManager* lm = CreateBasicLayerManager();
MessageLoop *childMessageLoop = CompositorParent::CompositorLoop();
mCompositorChild = new CompositorChild(lm);
AsyncChannel *parentChannel = mCompositorParent->GetIPCChannel();
AsyncChannel::Side childSide = mozilla::ipc::AsyncChannel::Child;
mCompositorChild->Open(parentChannel, childMessageLoop, childSide);
int32_t maxTextureSize;
PLayersChild* shadowManager;
mozilla::layers::LayersBackend backendHint =
mUseLayersAcceleration ? mozilla::layers::LAYERS_OPENGL : mozilla::layers::LAYERS_BASIC;
mozilla::layers::LayersBackend parentBackend;
shadowManager = mCompositorChild->SendPLayersConstructor(
backendHint, 0, &parentBackend, &maxTextureSize);
if (shadowManager) {
ShadowLayerForwarder* lf = lm->AsShadowForwarder();
if (!lf) {
delete lm;
mCompositorChild = nullptr;
return;
}
lf->SetShadowManager(shadowManager);
lf->SetParentBackendType(parentBackend);
lf->SetMaxTextureSize(maxTextureSize);
mLayerManager = lm;
} else {
// We don't currently want to support not having a LayersChild
NS_RUNTIMEABORT("failed to construct LayersChild");
delete lm;
mCompositorChild = nullptr;
}
}