зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.8 KiB
C++
87 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 "WebRenderCanvasLayer.h"
|
|
|
|
#include "AsyncCanvasRenderer.h"
|
|
#include "gfxPrefs.h"
|
|
#include "gfxUtils.h"
|
|
#include "GLContext.h"
|
|
#include "GLScreenBuffer.h"
|
|
#include "LayersLogging.h"
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "mozilla/layers/ScrollingLayersHelper.h"
|
|
#include "mozilla/layers/StackingContextHelper.h"
|
|
#include "mozilla/layers/TextureClientSharedSurface.h"
|
|
#include "mozilla/layers/WebRenderBridgeChild.h"
|
|
#include "mozilla/layers/IpcResourceUpdateQueue.h"
|
|
#include "PersistentBufferProvider.h"
|
|
#include "SharedSurface.h"
|
|
#include "SharedSurfaceGL.h"
|
|
#include "mozilla/webrender/WebRenderTypes.h"
|
|
#include "WebRenderCanvasRenderer.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
WebRenderCanvasLayer::~WebRenderCanvasLayer()
|
|
{
|
|
MOZ_COUNT_DTOR(WebRenderCanvasLayer);
|
|
}
|
|
|
|
CanvasRenderer*
|
|
WebRenderCanvasLayer::CreateCanvasRendererInternal()
|
|
{
|
|
return new WebRenderCanvasRendererSync(mManager->AsWebRenderLayerManager());
|
|
}
|
|
|
|
void
|
|
WebRenderCanvasLayer::RenderLayer(wr::DisplayListBuilder& aBuilder,
|
|
wr::IpcResourceUpdateQueue& aResources,
|
|
const StackingContextHelper& aSc)
|
|
{
|
|
WebRenderCanvasRendererSync* canvasRenderer = mCanvasRenderer->AsWebRenderCanvasRendererSync();
|
|
MOZ_ASSERT(canvasRenderer);
|
|
canvasRenderer->UpdateCompositableClient();
|
|
|
|
Maybe<gfx::Matrix4x4> transform;
|
|
if (canvasRenderer->NeedsYFlip()) {
|
|
transform = Some(GetTransform().PreTranslate(0, mBounds.Height(), 0).PreScale(1, -1, 1));
|
|
}
|
|
|
|
ScrollingLayersHelper scroller(this, aBuilder, aResources, aSc);
|
|
StackingContextHelper sc(aSc, aBuilder, this, transform);
|
|
|
|
LayerRect rect(0, 0, mBounds.Width(), mBounds.Height());
|
|
DumpLayerInfo("CanvasLayer", rect);
|
|
|
|
wr::ImageRendering filter = wr::ToImageRendering(mSamplingFilter);
|
|
|
|
if (gfxPrefs::LayersDump()) {
|
|
printf_stderr("CanvasLayer %p texture-filter=%s\n",
|
|
this->GetLayer(),
|
|
Stringify(filter).c_str());
|
|
}
|
|
|
|
// Eww. Re-creating image keys every time is bad. Probably not worth fixing here
|
|
// since layers-full webrender is going away soon-ish. But don't reproduce what
|
|
// you see here.
|
|
wr::WrImageKey key = GenerateImageKey();
|
|
aResources.AddExternalImage(canvasRenderer->GetExternalImageId().value(), key);
|
|
WrManager()->AddImageKeyForDiscard(key);
|
|
|
|
wr::LayoutRect r = sc.ToRelativeLayoutRect(rect);
|
|
aBuilder.PushImage(r, r, true, filter, key);
|
|
}
|
|
|
|
void
|
|
WebRenderCanvasLayer::ClearCachedResources()
|
|
{
|
|
mCanvasRenderer->ClearCachedResources();
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|