gecko/gfx/layers/composite/ImageLayerComposite.cpp
Bas Schouten 7d182a2102 Bug 825928: Land layers refactoring. r=jrmuizel,bas,nical,mattwoodrow,roc,nrc,benwa,bjacob,jgilbert,kchen CLOSED TREE
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions.

Authors:
gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical
gfx/layers/d3d* - D3D9/D3D10 - bas
gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas
gfx/layers/composite/* - CompositeLayers - nrc,nical
gfx/layers/client/* - Client - nrc,nical,bas
gfx/layers/*Image* - nical
gfx/layers/ipc ipc - IPC - nical
gfx/layers/opengl - CompositorOGL - nrc,nical
gfx/2d - bas,nrc
gfx/gl - GLContext - bjacob
dom/* layout/* - DOM - mattwoodrow
2013-04-10 09:20:52 +00:00

124 lines
2.7 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 "gfxSharedImageSurface.h"
#include "ipc/AutoOpenSurface.h"
#include "ImageLayerComposite.h"
#include "ImageHost.h"
#include "gfxImageSurface.h"
#include "gfx2DGlue.h"
#include "mozilla/layers/Compositor.h"
#include "mozilla/layers/CompositorTypes.h" // for TextureInfo
#include "mozilla/layers/Effects.h"
#include "CompositableHost.h"
using namespace mozilla::gfx;
namespace mozilla {
namespace layers {
ImageLayerComposite::ImageLayerComposite(LayerManagerComposite* aManager)
: ShadowImageLayer(aManager, nullptr)
, LayerComposite(aManager)
, mImageHost(nullptr)
{
MOZ_COUNT_CTOR(ImageLayerComposite);
mImplData = static_cast<LayerComposite*>(this);
}
ImageLayerComposite::~ImageLayerComposite()
{
MOZ_COUNT_DTOR(ImageLayerComposite);
MOZ_ASSERT(mDestroyed);
CleanupResources();
}
void
ImageLayerComposite::SetCompositableHost(CompositableHost* aHost)
{
mImageHost = static_cast<ImageHost*>(aHost);
}
void
ImageLayerComposite::Disconnect()
{
Destroy();
}
LayerRenderState
ImageLayerComposite::GetRenderState()
{
if (!mImageHost) {
return LayerRenderState();
}
return mImageHost->GetRenderState();
}
Layer*
ImageLayerComposite::GetLayer()
{
return this;
}
void
ImageLayerComposite::RenderLayer(const nsIntPoint& aOffset,
const nsIntRect& aClipRect)
{
if (!mImageHost) {
return;
}
mCompositor->MakeCurrent();
EffectChain effectChain;
LayerManagerComposite::AddMaskEffect(mMaskLayer, effectChain);
gfx::Matrix4x4 transform;
ToMatrix4x4(GetEffectiveTransform(), transform);
gfx::Rect clipRect(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);
mImageHost->SetCompositor(mCompositor);
mImageHost->Composite(effectChain,
GetEffectiveOpacity(),
transform,
gfx::Point(aOffset.x, aOffset.y),
gfx::ToFilter(mFilter),
clipRect);
}
CompositableHost*
ImageLayerComposite::GetCompositableHost() {
return mImageHost.get();
}
void
ImageLayerComposite::CleanupResources()
{
if (mImageHost) {
mImageHost->Detach();
}
mImageHost = nullptr;
}
#ifdef MOZ_LAYERS_HAVE_LOG
nsACString&
ImageLayerComposite::PrintInfo(nsACString& aTo, const char* aPrefix)
{
ImageLayer::PrintInfo(aTo, aPrefix);
aTo += "\n";
if (mImageHost) {
nsAutoCString pfx(aPrefix);
pfx += " ";
mImageHost->PrintInfo(aTo, pfx.get());
}
return aTo;
}
#endif
} /* layers */
} /* mozilla */