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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 "PaintedLayerComposite.h"
#include "CompositableHost.h" // for TiledLayerProperties, etc
#include "FrameMetrics.h" // for FrameMetrics
#include "Units.h" // for CSSRect, LayerPixel, etc
#include "gfxEnv.h" // for gfxEnv
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/gfx/Matrix.h" // for Matrix4x4
#include "mozilla/gfx/Point.h" // for Point
#include "mozilla/gfx/Rect.h" // for RoundedToInt, Rect
#include "mozilla/gfx/Types.h" // for SamplingFilter::LINEAR
#include "mozilla/layers/Compositor.h" // for Compositor
#include "mozilla/layers/ContentHost.h" // for ContentHost
#include "mozilla/layers/Effects.h" // for EffectChain
#include "mozilla/mozalloc.h" // for operator delete
#include "nsAString.h"
#include "mozilla/RefPtr.h" // for nsRefPtr
#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
#include "nsMathUtils.h" // for NS_lround
#include "nsString.h" // for nsAutoCString
#include "TextRenderer.h"
#include "GeckoProfiler.h"
namespace mozilla {
namespace layers {
PaintedLayerComposite::PaintedLayerComposite(LayerManagerComposite *aManager)
: PaintedLayer(aManager, nullptr)
, LayerComposite(aManager)
, mBuffer(nullptr)
{
MOZ_COUNT_CTOR(PaintedLayerComposite);
mImplData = static_cast<LayerComposite*>(this);
}
PaintedLayerComposite::~PaintedLayerComposite()
{
MOZ_COUNT_DTOR(PaintedLayerComposite);
CleanupResources();
}
bool
PaintedLayerComposite::SetCompositableHost(CompositableHost* aHost)
{
switch (aHost->GetType()) {
case CompositableType::CONTENT_TILED:
case CompositableType::CONTENT_SINGLE:
case CompositableType::CONTENT_DOUBLE: {
ContentHost* newBuffer = static_cast<ContentHost*>(aHost);
if (mBuffer && newBuffer != mBuffer) {
mBuffer->Detach(this);
}
mBuffer = newBuffer;
return true;
}
default:
return false;
}
}
void
PaintedLayerComposite::Disconnect()
{
Destroy();
}
void
PaintedLayerComposite::Destroy()
{
if (!mDestroyed) {
CleanupResources();
mDestroyed = true;
}
}
Layer*
PaintedLayerComposite::GetLayer()
{
return this;
}
void
PaintedLayerComposite::SetLayerManager(LayerManagerComposite* aManager)
{
LayerComposite::SetLayerManager(aManager);
mManager = aManager;
if (mBuffer && mCompositor) {
mBuffer->SetCompositor(mCompositor);
}
}
LayerRenderState
PaintedLayerComposite::GetRenderState()
{
if (!mBuffer || !mBuffer->IsAttached() || mDestroyed) {
return LayerRenderState();
}
return mBuffer->GetRenderState();
}
void
PaintedLayerComposite::RenderLayer(const gfx::IntRect& aClipRect)
{
if (!mBuffer || !mBuffer->IsAttached()) {
return;
}
PROFILER_LABEL("PaintedLayerComposite", "RenderLayer",
js::ProfileEntry::Category::GRAPHICS);
Compositor* compositor = mCompositeManager->GetCompositor();
MOZ_ASSERT(mBuffer->GetCompositor() == compositor &&
mBuffer->GetLayer() == this,
"buffer is corrupted");
const nsIntRegion visibleRegion = GetLocalVisibleRegion().ToUnknownRegion();
#ifdef MOZ_DUMP_PAINTING
if (gfxEnv::DumpCompositorTextures()) {
RefPtr<gfx::DataSourceSurface> surf = mBuffer->GetAsSurface();
if (surf) {
WriteSnapshotToDumpFile(this, surf);
}
}
#endif
RenderWithAllMasks(this, compositor, aClipRect,
[&](EffectChain& effectChain, const gfx::IntRect& clipRect) {
mBuffer->SetPaintWillResample(MayResample());
mBuffer->Composite(this, effectChain,
GetEffectiveOpacity(),
GetEffectiveTransform(),
GetSamplingFilter(),
clipRect,
&visibleRegion);
});
mBuffer->BumpFlashCounter();
compositor->MakeCurrent();
}
CompositableHost*
PaintedLayerComposite::GetCompositableHost()
{
if (mBuffer && mBuffer->IsAttached()) {
return mBuffer.get();
}
return nullptr;
}
void
PaintedLayerComposite::CleanupResources()
{
if (mBuffer) {
mBuffer->Detach(this);
}
mBuffer = nullptr;
}
void
PaintedLayerComposite::GenEffectChain(EffectChain& aEffect)
{
aEffect.mLayerRef = this;
aEffect.mPrimaryEffect = mBuffer->GenEffect(GetSamplingFilter());
}
void
PaintedLayerComposite::PrintInfo(std::stringstream& aStream, const char* aPrefix)
{
PaintedLayer::PrintInfo(aStream, aPrefix);
if (mBuffer && mBuffer->IsAttached()) {
aStream << "\n";
nsAutoCString pfx(aPrefix);
pfx += " ";
mBuffer->PrintInfo(aStream, pfx.get());
}
}
const gfx::TiledIntRegion&
PaintedLayerComposite::GetInvalidRegion()
{
if (mBuffer) {
nsIntRegion region = mInvalidRegion.GetRegion();
mBuffer->AddAnimationInvalidation(region);
}
return mInvalidRegion;
}
} // namespace layers
} // namespace mozilla
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