56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
#ifndef CEF_LIBCEF_BROWSER_OSR_SOFTWARE_OUTPUT_DEVICE_PROXY_H_
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#define CEF_LIBCEF_BROWSER_OSR_SOFTWARE_OUTPUT_DEVICE_PROXY_H_
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#include "base/memory/shared_memory_mapping.h"
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#include "base/threading/thread_checker.h"
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#include "components/viz/service/display/software_output_device.h"
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#include "components/viz/service/viz_service_export.h"
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#include "mojo/public/cpp/bindings/remote.h"
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#include "services/viz/privileged/mojom/compositing/layered_window_updater.mojom.h"
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namespace viz {
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// SoftwareOutputDevice implementation that draws indirectly. An
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// implementation of mojom::LayeredWindowUpdater in the browser process
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// handles the actual drawing. Pixel backing is in SharedMemory so no copying
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// between processes is required.
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class VIZ_SERVICE_EXPORT SoftwareOutputDeviceProxy
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: public SoftwareOutputDevice {
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public:
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explicit SoftwareOutputDeviceProxy(
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mojo::PendingRemote<mojom::LayeredWindowUpdater> layered_window_updater);
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SoftwareOutputDeviceProxy(const SoftwareOutputDeviceProxy&) = delete;
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SoftwareOutputDeviceProxy& operator=(const SoftwareOutputDeviceProxy&) =
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delete;
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~SoftwareOutputDeviceProxy() override;
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// SoftwareOutputDevice implementation.
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void OnSwapBuffers(SwapBuffersCallback swap_ack_callback,
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gfx::FrameData data) override;
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// SoftwareOutputDeviceBase implementation.
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void Resize(const gfx::Size& viewport_pixel_size,
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float scale_factor) override;
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SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override;
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void EndPaint() override;
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private:
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// Runs |swap_ack_callback_| after draw has happened.
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void DrawAck();
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mojo::Remote<mojom::LayeredWindowUpdater> layered_window_updater_;
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std::unique_ptr<SkCanvas> canvas_;
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bool waiting_on_draw_ack_ = false;
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bool in_paint_ = false;
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base::OnceClosure swap_ack_callback_;
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base::WritableSharedMemoryMapping shm_;
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THREAD_CHECKER(thread_checker_);
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};
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} // namespace viz
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#endif // CEF_LIBCEF_BROWSER_OSR_SOFTWARE_OUTPUT_DEVICE_PROXY_H_
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