bool
LayerTransactionParent::Attach(ShadowLayerParent* aLayerParent,
CompositableHost* aCompositable,
bool aIsAsync)
{
if (!aCompositable) {
return false;
}
Layer* baselayer = aLayerParent->AsLayer();
if (!baselayer) {
return false;
}
LayerComposite* layer = baselayer->AsLayerComposite();
if (!layer) {
return false;
}
Compositor* compositor
= static_cast<LayerManagerComposite*>(aLayerParent->AsLayer()->Manager())->GetCompositor();
if (!layer->SetCompositableHost(aCompositable)) {
// not all layer types accept a compositable, see bug 967824
return false;
}
aCompositable->Attach(aLayerParent->AsLayer(),
compositor,
aIsAsync
? CompositableHost::ALLOW_REATTACH
| CompositableHost::KEEP_ATTACHED
: CompositableHost::NO_FLAGS);
return true;
}
bool
LayerTransactionParent::RecvGetTransform(PLayerParent* aParent,
gfx3DMatrix* aTransform)
{
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
return false;
}
// The following code recovers the untranslated transform
// from the shadow transform by undoing the translations in
// AsyncCompositionManager::SampleValue.
Layer* layer = cast(aParent)->AsLayer();
if (!layer) {
return false;
}
gfx::To3DMatrix(layer->AsLayerComposite()->GetShadowTransform(), *aTransform);
if (ContainerLayer* c = layer->AsContainerLayer()) {
aTransform->ScalePost(1.0f/c->GetInheritedXScale(),
1.0f/c->GetInheritedYScale(),
1.0f);
}
float scale = 1;
gfxPoint3D scaledOrigin;
gfxPoint3D transformOrigin;
for (uint32_t i=0; i < layer->GetAnimations().Length(); i++) {
if (layer->GetAnimations()[i].data().type() == AnimationData::TTransformData) {
const TransformData& data = layer->GetAnimations()[i].data().get_TransformData();
scale = data.appUnitsPerDevPixel();
scaledOrigin =
gfxPoint3D(NS_round(NSAppUnitsToFloatPixels(data.origin().x, scale)),
NS_round(NSAppUnitsToFloatPixels(data.origin().y, scale)),
0.0f);
transformOrigin = data.transformOrigin();
break;
}
}
aTransform->Translate(-scaledOrigin);
*aTransform = nsLayoutUtils::ChangeMatrixBasis(-scaledOrigin - transformOrigin, *aTransform);
return true;
}
bool
LayerTransactionParent::RecvGetAnimationTransform(PLayerParent* aParent,
MaybeTransform* aTransform)
{
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
return false;
}
Layer* layer = cast(aParent)->AsLayer();
if (!layer) {
return false;
}
// This method is specific to transforms applied by animation.
// This is because this method uses the information stored with an animation
// such as the origin of the reference frame corresponding to the layer, to
// recover the untranslated transform from the shadow transform. For
// transforms that are not set by animation we don't have this information
// available.
if (!layer->AsLayerComposite()->GetShadowTransformSetByAnimation()) {
*aTransform = mozilla::void_t();
return true;
}
// The following code recovers the untranslated transform
// from the shadow transform by undoing the translations in
// AsyncCompositionManager::SampleValue.
Matrix4x4 transform = layer->AsLayerComposite()->GetShadowTransform();
if (ContainerLayer* c = layer->AsContainerLayer()) {
// Undo the scale transform applied by AsyncCompositionManager::SampleValue
transform.ScalePost(1.0f/c->GetInheritedXScale(),
1.0f/c->GetInheritedYScale(),
1.0f);
}
float scale = 1;
gfxPoint3D scaledOrigin;
gfxPoint3D transformOrigin;
for (uint32_t i=0; i < layer->GetAnimations().Length(); i++) {
if (layer->GetAnimations()[i].data().type() == AnimationData::TTransformData) {
const TransformData& data = layer->GetAnimations()[i].data().get_TransformData();
scale = data.appUnitsPerDevPixel();
scaledOrigin =
gfxPoint3D(NS_round(NSAppUnitsToFloatPixels(data.origin().x, scale)),
NS_round(NSAppUnitsToFloatPixels(data.origin().y, scale)),
0.0f);
double cssPerDev =
double(nsDeviceContext::AppUnitsPerCSSPixel()) / double(scale);
transformOrigin = data.transformOrigin() * cssPerDev;
break;
}
}
// Undo the translation to the origin of the reference frame applied by
// AsyncCompositionManager::SampleValue
transform.Translate(-scaledOrigin.x, -scaledOrigin.y, -scaledOrigin.z);
// Undo the rebasing applied by
// nsDisplayTransform::GetResultingTransformMatrixInternal
gfxPoint3D basis = -scaledOrigin - transformOrigin;
transform.ChangeBasis(basis.x, basis.y, basis.z);
// Convert to CSS pixels (this undoes the operations performed by
// nsStyleTransformMatrix::ProcessTranslatePart which is called from
// nsDisplayTransform::GetResultingTransformMatrix)
double devPerCss =
double(scale) / double(nsDeviceContext::AppUnitsPerCSSPixel());
transform._41 *= devPerCss;
transform._42 *= devPerCss;
transform._43 *= devPerCss;
*aTransform = transform;
return true;
}
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
EditReplyVector& replyv)
{
switch (aEdit.type()) {
case CompositableOperation::TOpCreatedTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
const OpCreatedTexture& op = aEdit.get_OpCreatedTexture();
CompositableParent* compositableParent =
static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable = compositableParent->GetCompositableHost();
compositable->EnsureDeprecatedTextureHost(op.textureId(), op.descriptor(),
compositableParent->GetCompositableManager(),
op.textureInfo());
break;
}
case CompositableOperation::TOpCreatedIncrementalTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
const OpCreatedIncrementalTexture& op = aEdit.get_OpCreatedIncrementalTexture();
CompositableParent* compositableParent =
static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable = compositableParent->GetCompositableHost();
compositable->EnsureDeprecatedTextureHostIncremental(compositableParent->GetCompositableManager(),
op.textureInfo(),
op.bufferRect());
break;
}
case CompositableOperation::TOpDestroyThebesBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Created double buffer"));
const OpDestroyThebesBuffer& op = aEdit.get_OpDestroyThebesBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositableHost = compositableParent->GetCompositableHost();
if (compositableHost->GetType() != BUFFER_CONTENT &&
compositableHost->GetType() != BUFFER_CONTENT_DIRECT)
{
return false;
}
DeprecatedContentHostBase* content = static_cast<DeprecatedContentHostBase*>(compositableHost);
content->DestroyTextures();
break;
}
case CompositableOperation::TOpPaintTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Paint Texture X"));
const OpPaintTexture& op = aEdit.get_OpPaintTexture();
CompositableParent* compositableParent =
static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
Layer* layer = compositable ? compositable->GetLayer() : nullptr;
LayerComposite* shadowLayer = layer ? layer->AsLayerComposite() : nullptr;
if (shadowLayer) {
Compositor* compositor = static_cast<LayerManagerComposite*>(layer->Manager())->GetCompositor();
compositable->SetCompositor(compositor);
compositable->SetLayer(layer);
} else {
// if we reach this branch, it most likely means that async textures
// are coming in before we had time to attach the compositable to a
// layer. Don't panic, it is okay in this case. it should not be
// happening continuously, though.
}
if (layer) {
RenderTraceInvalidateStart(layer, "FF00FF", layer->GetVisibleRegion().GetBounds());
}
if (compositable) {
const SurfaceDescriptor& descriptor = op.image();
compositable->EnsureDeprecatedTextureHost(op.textureId(),
descriptor,
compositableParent->GetCompositableManager(),
TextureInfo());
MOZ_ASSERT(compositable->GetDeprecatedTextureHost());
SurfaceDescriptor newBack;
bool shouldRecomposite = compositable->Update(descriptor, &newBack);
if (IsSurfaceDescriptorValid(newBack)) {
replyv.push_back(OpTextureSwap(compositableParent, nullptr,
op.textureId(), newBack));
}
if (IsAsync() && shouldRecomposite) {
ScheduleComposition(op);
}
}
if (layer) {
RenderTraceInvalidateEnd(layer, "FF00FF");
}
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpPaintTextureRegion: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
Layer* layer = compositable->GetLayer();
if (!layer || layer->GetType() != Layer::TYPE_THEBES) {
return false;
}
ThebesLayerComposite* thebes = static_cast<ThebesLayerComposite*>(layer);
const ThebesBufferData& bufferData = op.bufferData();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
nsIntRegion frontUpdatedRegion;
if (!compositable->UpdateThebes(bufferData,
op.updatedRegion(),
thebes->GetValidRegion(),
&frontUpdatedRegion))
{
return false;
}
replyv.push_back(
OpContentBufferSwap(compositableParent, nullptr, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpPaintTextureIncremental: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintTextureIncremental& op = aEdit.get_OpPaintTextureIncremental();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
SurfaceDescriptor desc = op.image();
compositable->UpdateIncremental(op.textureId(),
desc,
op.updatedRegion(),
op.bufferRect(),
op.bufferRotation());
break;
}
case CompositableOperation::TOpUpdatePictureRect: {
const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
CompositableHost* compositable
= static_cast<CompositableParent*>(op.compositableParent())->GetCompositableHost();
MOZ_ASSERT(compositable);
compositable->SetPictureRect(op.picture());
break;
}
case CompositableOperation::TOpUseTiledLayerBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
NS_ASSERTION(tileComposer, "compositable is not a tile composer");
const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
tileComposer->UseTiledLayerBuffer(this, tileDesc);
break;
}
case CompositableOperation::TOpRemoveTexture: {
const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->RemoveTextureHost(tex);
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpUseTexture: {
const OpUseTexture& op = aEdit.get_OpUseTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->UseTextureHost(tex);
if (IsAsync()) {
ScheduleComposition(op);
// Async layer updates don't trigger invalidation, manually tell the layer
// that its content have changed.
if (compositable->GetLayer()) {
compositable->GetLayer()->SetInvalidRectToVisibleRegion();
}
}
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpUseComponentAlphaTextures: {
const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());
MOZ_ASSERT(texOnBlack && texOnWhite);
compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);
if (IsAsync()) {
ScheduleComposition(op);
}
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpUpdateTexture: {
const OpUpdateTexture& op = aEdit.get_OpUpdateTexture();
RefPtr<TextureHost> texture = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(texture);
texture->Updated(op.region().type() == MaybeRegion::TnsIntRegion
? &op.region().get_nsIntRegion()
: nullptr); // no region means invalidate the entire surface
break;
}
default: {
MOZ_ASSERT(false, "bad type");
}
}
return true;
}
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
EditReplyVector& replyv)
{
switch (aEdit.type()) {
case CompositableOperation::TOpCreatedTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
const OpCreatedTexture& op = aEdit.get_OpCreatedTexture();
CompositableParent* compositableParent =
static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable = compositableParent->GetCompositableHost();
compositable->EnsureTextureHost(op.textureId(), op.descriptor(),
compositableParent->GetCompositableManager(),
op.textureInfo());
break;
}
case CompositableOperation::TOpDestroyThebesBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Created double buffer"));
const OpDestroyThebesBuffer& op = aEdit.get_OpDestroyThebesBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost());
content->DestroyTextures();
break;
}
case CompositableOperation::TOpPaintTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Paint Texture X"));
const OpPaintTexture& op = aEdit.get_OpPaintTexture();
CompositableParent* compositableParent =
static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
Layer* layer = compositable ? compositable->GetLayer() : nullptr;
LayerComposite* shadowLayer = layer ? layer->AsLayerComposite() : nullptr;
if (shadowLayer) {
Compositor* compositor = static_cast<LayerManagerComposite*>(layer->Manager())->GetCompositor();
compositable->SetCompositor(compositor);
compositable->SetLayer(layer);
} else {
// if we reach this branch, it most likely means that async textures
// are coming in before we had time to attach the conmpositable to a
// layer. Don't panic, it is okay in this case. it should not be
// happening continuously, though.
}
if (layer) {
RenderTraceInvalidateStart(layer, "FF00FF", layer->GetVisibleRegion().GetBounds());
}
if (compositable) {
const SurfaceDescriptor& descriptor = op.image();
compositable->EnsureTextureHost(op.textureId(),
descriptor,
compositableParent->GetCompositableManager(),
TextureInfo());
MOZ_ASSERT(compositable->GetTextureHost());
SurfaceDescriptor newBack;
bool shouldRecomposite = compositable->Update(descriptor, &newBack);
if (IsSurfaceDescriptorValid(newBack)) {
replyv.push_back(OpTextureSwap(compositableParent, nullptr,
op.textureId(), newBack));
}
if (shouldRecomposite && compositableParent->GetCompositorID()) {
CompositorParent* cp
= CompositorParent::GetCompositor(compositableParent->GetCompositorID());
if (cp) {
cp->ScheduleComposition();
}
}
}
if (layer) {
RenderTraceInvalidateEnd(layer, "FF00FF");
}
break;
}
case CompositableOperation::TOpPaintTextureRegion: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
ThebesLayerComposite* thebes =
static_cast<ThebesLayerComposite*>(compositable->GetLayer());
const ThebesBufferData& bufferData = op.bufferData();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
nsIntRegion frontUpdatedRegion;
compositable->UpdateThebes(bufferData,
op.updatedRegion(),
thebes->GetValidRegion(),
&frontUpdatedRegion);
replyv.push_back(
OpContentBufferSwap(compositableParent, nullptr, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
break;
}
case CompositableOperation::TOpUpdatePictureRect: {
const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
CompositableHost* compositable
= static_cast<CompositableParent*>(op.compositableParent())->GetCompositableHost();
MOZ_ASSERT(compositable);
compositable->SetPictureRect(op.picture());
break;
}
case CompositableOperation::TOpPaintTiledLayerBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
const OpPaintTiledLayerBuffer& op = aEdit.get_OpPaintTiledLayerBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
NS_ASSERTION(tileComposer, "compositable is not a tile composer");
BasicTiledLayerBuffer* p = reinterpret_cast<BasicTiledLayerBuffer*>(op.tiledLayerBuffer());
tileComposer->PaintedTiledLayerBuffer(p);
break;
}
default: {
MOZ_ASSERT(false, "bad type");
}
}
return true;
}
