electron/patches/common/chromium/compositor_delegate.patch

80 lines
3.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Anonymous <anonymous@electronjs.org>
Date: Thu, 20 Sep 2018 17:45:36 -0700
Subject: compositor_delegate.patch
diff --git a/content/browser/compositor/gpu_process_transport_factory.cc b/content/browser/compositor/gpu_process_transport_factory.cc
index e8741caf69a8d3770905dcf1d466e7f01ddf69ba..b62009feb2e97362d90c6c917305f91cae27d790 100644
--- a/content/browser/compositor/gpu_process_transport_factory.cc
+++ b/content/browser/compositor/gpu_process_transport_factory.cc
@@ -492,10 +492,20 @@ void GpuProcessTransportFactory::EstablishedGpuChannel(
// surfaces as they are not following the correct mode.
DisableGpuCompositing(compositor.get());
}
+
+ std::unique_ptr<viz::SoftwareOutputDevice> output_device;
+ if (compositor->delegate()) {
+ output_device = compositor->delegate()->CreateSoftwareOutputDevice(
+ compositor.get());
+ }
+ if (!output_device) {
+ output_device = CreateSoftwareOutputDevice(compositor->widget(),
+ compositor->task_runner());
+ }
+
display_output_surface =
std::make_unique<SoftwareBrowserCompositorOutputSurface>(
- CreateSoftwareOutputDevice(compositor->widget(),
- compositor->task_runner()),
+ std::move(output_device),
std::move(vsync_callback));
} else {
DCHECK(context_provider);
diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
index b3905bdfa6500f02328552b7c2402797a71758be..490722c20c25f752e37ac3b481f8d2aa616408a4 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -26,6 +26,7 @@
#include "components/viz/common/surfaces/frame_sink_id.h"
#include "components/viz/common/surfaces/local_surface_id.h"
#include "components/viz/host/host_frame_sink_client.h"
+#include "components/viz/service/display/software_output_device.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkMatrix44.h"
#include "ui/compositor/compositor_animation_observer.h"
@@ -198,6 +199,15 @@ class COMPOSITOR_EXPORT ContextFactory {
virtual bool SyncTokensRequiredForDisplayCompositor() = 0;
};
+class COMPOSITOR_EXPORT CompositorDelegate {
+ public:
+ virtual std::unique_ptr<viz::SoftwareOutputDevice> CreateSoftwareOutputDevice(
+ ui::Compositor* compositor) = 0;
+
+ protected:
+ virtual ~CompositorDelegate() {}
+};
+
// Compositor object to take care of GPU painting.
// A Browser compositor object is responsible for generating the final
// displayable form of pixels comprising a single widget's contents. It draws an
@@ -237,6 +247,9 @@ class COMPOSITOR_EXPORT Compositor : public cc::LayerTreeHostClient,
// Schedules a redraw of the layer tree associated with this compositor.
void ScheduleDraw();
+ CompositorDelegate* delegate() const { return delegate_; }
+ void SetDelegate(CompositorDelegate* delegate) { delegate_ = delegate; }
+
// Sets the root of the layer tree drawn by this Compositor. The root layer
// must have no parent. The compositor's root layer is reset if the root layer
// is destroyed. NULL can be passed to reset the root layer, in which case the
@@ -448,6 +461,8 @@ class COMPOSITOR_EXPORT Compositor : public cc::LayerTreeHostClient,
ui::ContextFactory* context_factory_;
ui::ContextFactoryPrivate* context_factory_private_;
+ CompositorDelegate* delegate_ = nullptr;
+
// The root of the Layer tree drawn by this compositor.
Layer* root_layer_ = nullptr;