65 строки
2.8 KiB
Diff
65 строки
2.8 KiB
Diff
diff --git a/content/browser/compositor/gpu_process_transport_factory.cc b/content/browser/compositor/gpu_process_transport_factory.cc
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index 50a66bb..73a9515 100644
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--- a/content/browser/compositor/gpu_process_transport_factory.cc
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+++ b/content/browser/compositor/gpu_process_transport_factory.cc
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@@ -217,6 +217,12 @@ GpuProcessTransportFactory::~GpuProcessTransportFactory() {
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std::unique_ptr<cc::SoftwareOutputDevice>
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GpuProcessTransportFactory::CreateSoftwareOutputDevice(
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ui::Compositor* compositor) {
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+ if (compositor->delegate()) {
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+ std::unique_ptr<cc::SoftwareOutputDevice> output_device =
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+ compositor->delegate()->CreateSoftwareOutputDevice(compositor);
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+ if (output_device)
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+ return output_device;
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+ }
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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if (command_line->HasSwitch(switches::kHeadless))
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return base::WrapUnique(new cc::SoftwareOutputDevice);
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diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
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index a3bc8cafc574..6cca225c2ba2 100644
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--- a/ui/compositor/compositor.h
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+++ b/ui/compositor/compositor.h
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@@ -19,6 +19,7 @@
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#include "build/build_config.h"
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#include "cc/trees/layer_tree_host_client.h"
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#include "cc/trees/layer_tree_host_single_thread_client.h"
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+#include "cc/output/software_output_device.h"
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#include "components/viz/common/frame_sinks/begin_frame_args.h"
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#include "components/viz/common/surfaces/local_surface_id.h"
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#include "components/viz/common/surfaces/surface_sequence.h"
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@@ -168,6 +169,15 @@ class COMPOSITOR_EXPORT CompositorLock
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virtual void RemoveObserver(ContextFactoryObserver* observer) = 0;
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};
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+class COMPOSITOR_EXPORT CompositorDelegate {
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+ public:
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+ virtual std::unique_ptr<cc::SoftwareOutputDevice> CreateSoftwareOutputDevice(
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+ ui::Compositor* compositor) = 0;
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+
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+ protected:
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+ virtual ~CompositorDelegate() {}
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+};
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+
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// Compositor object to take care of GPU painting.
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// A Browser compositor object is responsible for generating the final
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// displayable form of pixels comprising a single widget's contents. It draws an
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@@ -200,6 +210,9 @@ class COMPOSITOR_EXPORT Compositor
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// Schedules a redraw of the layer tree associated with this compositor.
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void ScheduleDraw();
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+ CompositorDelegate* delegate() const { return delegate_; }
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+ void SetDelegate(CompositorDelegate* delegate) { delegate_ = delegate; }
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+
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// Sets the root of the layer tree drawn by this Compositor. The root layer
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// must have no parent. The compositor's root layer is reset if the root layer
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// is destroyed. NULL can be passed to reset the root layer, in which case the
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@@ -379,6 +392,8 @@ class COMPOSITOR_EXPORT Compositor
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ui::ContextFactory* context_factory_;
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ui::ContextFactoryPrivate* context_factory_private_;
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+ CompositorDelegate* delegate_ = nullptr;
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+
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// The root of the Layer tree drawn by this compositor.
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Layer* root_layer_ = nullptr;
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