зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
2.7 KiB
C++
107 строки
2.7 KiB
C++
/* -*- 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 "CanvasLayerMLGPU.h"
|
|
#include "composite/CompositableHost.h" // for CompositableHost
|
|
#include "gfx2DGlue.h" // for ToFilter
|
|
#include "gfxEnv.h" // for gfxEnv, etc
|
|
#include "mozilla/gfx/Matrix.h" // for Matrix4x4
|
|
#include "mozilla/gfx/Point.h" // for Point
|
|
#include "mozilla/gfx/Rect.h" // for Rect
|
|
#include "mozilla/layers/Compositor.h" // for Compositor
|
|
#include "mozilla/layers/Effects.h" // for EffectChain
|
|
#include "mozilla/layers/ImageHost.h"
|
|
#include "mozilla/mozalloc.h" // for operator delete
|
|
#include "nsAString.h"
|
|
#include "mozilla/RefPtr.h" // for nsRefPtr
|
|
#include "MaskOperation.h"
|
|
#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
|
|
#include "nsString.h" // for nsAutoCString
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
using namespace mozilla::gfx;
|
|
|
|
CanvasLayerMLGPU::CanvasLayerMLGPU(LayerManagerMLGPU* aManager)
|
|
: CanvasLayer(aManager, nullptr)
|
|
, TexturedLayerMLGPU(aManager)
|
|
{
|
|
}
|
|
|
|
CanvasLayerMLGPU::~CanvasLayerMLGPU()
|
|
{
|
|
CleanupResources();
|
|
}
|
|
|
|
Layer*
|
|
CanvasLayerMLGPU::GetLayer()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
gfx::SamplingFilter
|
|
CanvasLayerMLGPU::GetSamplingFilter()
|
|
{
|
|
gfx::SamplingFilter filter = mSamplingFilter;
|
|
#ifdef ANDROID
|
|
// Bug 691354
|
|
// Using the LINEAR filter we get unexplained artifacts.
|
|
// Use NEAREST when no scaling is required.
|
|
Matrix matrix;
|
|
bool is2D = GetEffectiveTransform().Is2D(&matrix);
|
|
if (is2D && !ThebesMatrix(matrix).HasNonTranslationOrFlip()) {
|
|
filter = SamplingFilter::POINT;
|
|
}
|
|
#endif
|
|
return filter;
|
|
}
|
|
|
|
void
|
|
CanvasLayerMLGPU::PrintInfo(std::stringstream& aStream, const char* aPrefix)
|
|
{
|
|
CanvasLayer::PrintInfo(aStream, aPrefix);
|
|
aStream << "\n";
|
|
if (mHost && mHost->IsAttached()) {
|
|
nsAutoCString pfx(aPrefix);
|
|
pfx += " ";
|
|
mHost->PrintInfo(aStream, pfx.get());
|
|
}
|
|
}
|
|
|
|
void
|
|
CanvasLayerMLGPU::CleanupResources()
|
|
{
|
|
if (mHost) {
|
|
mHost->Detach(this);
|
|
}
|
|
mTexture = nullptr;
|
|
mBigImageTexture = nullptr;
|
|
mHost = nullptr;
|
|
}
|
|
|
|
void
|
|
CanvasLayerMLGPU::Disconnect()
|
|
{
|
|
CleanupResources();
|
|
}
|
|
|
|
void
|
|
CanvasLayerMLGPU::ClearCachedResources()
|
|
{
|
|
CleanupResources();
|
|
}
|
|
|
|
void
|
|
CanvasLayerMLGPU::SetRenderRegion(LayerIntRegion&& aRegion)
|
|
{
|
|
aRegion.AndWith(LayerIntRect::FromUnknownRect(mPictureRect));
|
|
LayerMLGPU::SetRenderRegion(Move(aRegion));
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|