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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/Polygon.h" // for Polygon
#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/layers/LayerManagerCompositeUtils.h"
#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(HostLayerManager* aManager) {
LayerComposite::SetLayerManager(aManager);
mManager = aManager;
if (mBuffer && mCompositor) {
mBuffer->SetTextureSourceProvider(mCompositor);
}
}
void PaintedLayerComposite::RenderLayer(const gfx::IntRect& aClipRect,
const Maybe<gfx::Polygon>& aGeometry) {
if (!mBuffer || !mBuffer->IsAttached()) {
return;
}
AUTO_PROFILER_LABEL("PaintedLayerComposite::RenderLayer", GRAPHICS);
Compositor* compositor = mCompositeManager->GetCompositor();
MOZ_ASSERT(mBuffer->GetTextureSourceProvider() == 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(compositor, this, effectChain, GetEffectiveOpacity(),
GetEffectiveTransform(), GetSamplingFilter(),
clipRect, &visibleRegion, aGeometry);
});
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;
}
bool PaintedLayerComposite::IsOpaque() {
if (!mBuffer || !mBuffer->IsAttached()) {
return false;
}
return PaintedLayer::IsOpaque();
}
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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